Analysis

  • max time kernel
    145s
  • max time network
    183s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 06:47

General

  • Target

    8972d2d26f0101fbf565f3f17ef586085f439d1040845d6ae6da42ac1bd08e5a.exe

  • Size

    908KB

  • MD5

    dc73ca7fd8f12843cf5be7247a31663f

  • SHA1

    ef23681bb926f5d2f736702c0c4fdba3b4819e3b

  • SHA256

    8972d2d26f0101fbf565f3f17ef586085f439d1040845d6ae6da42ac1bd08e5a

  • SHA512

    660aad5918b5f0978f70e4f07ecbfe5ecc7584227fbeffeeaa4a2be315ecad3d0034d87dc75ec12162354fa1a5fb45a73d24a8913954706a64d85be91127428f

Malware Config

Extracted

Family

gozi_rm3

Attributes
  • build

    300854

Extracted

Family

gozi_rm3

Botnet

202004141

C2

https://devicelease.xyz

Attributes
  • build

    300854

  • dga_base_url

    constitution.org/usdeclar.txt

  • dga_crc

    0x4eb7d2ca

  • dga_season

    10

  • dga_tlds

    com

    ru

    org

  • exe_type

    loader

  • server_id

    12

  • url_path

    index.htm

rsa_pubkey.plain
serpent.plain

Signatures

  • Gozi RM3

    A heavily modified version of Gozi using RM3 loader.

  • Modifies Internet Explorer settings 1 TTPs 61 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8972d2d26f0101fbf565f3f17ef586085f439d1040845d6ae6da42ac1bd08e5a.exe
    "C:\Users\Admin\AppData\Local\Temp\8972d2d26f0101fbf565f3f17ef586085f439d1040845d6ae6da42ac1bd08e5a.exe"
    1⤵
      PID:1304
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1364
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1364 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1108
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1364 CREDAT:537612 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2040
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1196
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1196 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1668

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\EAOFHMER.txt

      Filesize

      599B

      MD5

      1bcb70b26a57d363244e712e525f1133

      SHA1

      2f80f416a96278ab8fa5e294b15257b863275622

      SHA256

      a6960f3e8a6a5b65b90f4d9c5b71aac7d73977f2ffd6482e8f114c95b3a78d67

      SHA512

      e84174ae3d49f16327db10c9201c67365bf4a3a0eb67be844652cc36b0bd3c28cfbd66aa6b6bb10c8cf29f279341688a3b6557ec6490025318de99256b1819ce

    • memory/1304-54-0x0000000076531000-0x0000000076533000-memory.dmp

      Filesize

      8KB

    • memory/1304-55-0x00000000001B0000-0x00000000001BC000-memory.dmp

      Filesize

      48KB

    • memory/1304-56-0x0000000000400000-0x00000000004E5000-memory.dmp

      Filesize

      916KB

    • memory/1304-57-0x0000000000250000-0x0000000000261000-memory.dmp

      Filesize

      68KB