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图 1 – 感染过程
IOC
Archive
05eb7152bc79936bea431a4d8c97fb7b Personal.zip
4c926c0081f7d2bf6fc718e1969b05be Performa’s feedback.zip
db49c75c40951617c4025678eb0abe90 Asigma dated 22 May 23.zip
LNK
1afc64e248b3e6e675fa31d516f0ee63 pessonal pic.png.lnk
49f3f2e28b9e284b4898fafa452322c0 Performa’s feedback.docx.lnk
becbf20da475d21e2eba3b1fe48148eb Asigma dated 22 May 23 .pdf.lnk
HTA
FCD0CD0E8F9E837CE40846457815CFC9 xml.hta
BEC31F7EDC2032CF1B25EB19AAE23032 d.hta (Chain-1)
C808F7C2C8B88C92ABF095F10AFAE803 d.hta (Chain-2)
4559EF3F2D05AA31F017C02ABBE46FCB d.hta (Chain-3)
F20267EC56D865008BA073DB494DB05E Auto_tcp.hta
4F8D22C965DFB1A6A19B8DB202A24717 Auto_tcp.hta
DLL
86D4046E17D7191F7198D506F06B7854 preBotHta.dll (Stage-1)
28B35C143CF63CA2939FB62229D31D71 preBotHta.dll (Stage-2) (New RAT)
582C0913E00C0D95B5541F4F79F6EDD5 preBotHta.dll (Stage-3)
8f670928bc503b6db60fb8f12e22916e DUser.dll (Action RAT)
13D4E8754FEF340CF3CF4F5A68AC9CDD DUser.dll (Action RAT)
5D5B1AFF4CBE03602DF102DF8262F565 DUser.dll (Action RAT)
BAT
D95A685F12B39484D64C58EB9867E751 test.bat
BDA677D18E98D141BAB6C7BABD5ABD2B test.bat
Others
5580052F2109E9A56A77A83587D7D6E2 d.txt
E5D3F3D0F26A9596DA76D7F2463E611B h.txt
Domain
elfinindia[.]com Hosted Malicious files
IP
144.126.143[.]138:8080
144.126.143[.]138:9813
66.219.22[.]252:9467
209.126.7[.]8:9467
C2
URL
hxxps://elfinindia[.]com/wp-includes/files/
hxxps://elfinindia[.]com/wp-includes/files/pictures/personal/Personal.zip
hxxps://elfinindia[.]com/wp-includes/files/pictures/man/d.hta
hxxps://elfinindia[.]com/wp-includes/files/man/d.hta
hxxps://elfinindia[.]com/wp-includes/files/fa/d.hta
hxxps://elfinindia[.]com/wp-includes/files/oth/hl/h.txt
hxxps://elfinindia[.]com/wp-includes/files/oth/dl/d.txt
hxxps://elfinindia[.]com/wp-includes/files/oth/av/
PDB
E:\Packers\CyberLink\Latest Source\Multithread Protocol Architecture\side projects\First Stage\HTTP Arsenal Main\Clinet\app\Release\app.pdb
EXE (Legitimate)
9B726550E4C82BBEB045150E75FEE720 cdrzip.exe / cridviz.exe
Decoy Files
C5C2D8EB9F359E33C4F487F0D938C90C Invitation Performa vis a vis feedback.docx
2461F858671CBFFDF9088FA7E955F400 myPic.jpeg
D77C15419409B315AC4E1CFAF9A02C87 2696 – 22 May 23.pdf
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