Analysis

  • max time kernel
    144s
  • max time network
    153s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    07-07-2021 14:44

General

  • Target

    tru.bin.dll

  • Size

    395KB

  • MD5

    5522c21a05daf91658951bdf1c0e5271

  • SHA1

    fed4a9b4069cd2676928441ecf8c844cc7f4a9ee

  • SHA256

    eb6e2519aa5c31174a1ed6c0193b2d0e49e9ed6ca1ac01ed94b3007b5e2f6993

  • SHA512

    d97a8021b9688c612e280ffcb5443916b9d09857daf82a62bd5efac35efeff138125466a74579568dd655cd66cd5085e10cedb4caf7981f4ee9f240839b33d55

Malware Config

Extracted

Family

gozi_rm3

Attributes
  • build

    300974

Extracted

Family

gozi_rm3

Botnet

202106221

C2

https://bussipod.xyz

Attributes
  • build

    300974

  • exe_type

    loader

  • non_target_locale

    RU

  • server_id

    12

  • url_path

    index.htm

rsa_pubkey.plain
aes.plain

Signatures

  • Gozi RM3

    A heavily modified version of Gozi using RM3 loader.

  • Blocklisted process makes network request 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 64 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SetWindowsHookEx 24 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\tru.bin.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:804
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\tru.bin.dll,#1
      2⤵
      • Blocklisted process makes network request
      PID:1056
  • 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:1296
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1296 CREDAT:82945 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:2128
  • 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:3208
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3208 CREDAT:82945 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:2044
  • 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:3816
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3816 CREDAT:82945 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:860
  • 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:3820
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3820 CREDAT:82945 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:1864
  • 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:1060
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1060 CREDAT:82945 /prefetch:2
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:3064
  • 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:2876
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2876 CREDAT:82945 /prefetch:2
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:2068

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1056-116-0x0000000073810000-0x0000000073911000-memory.dmp

    Filesize

    1.0MB

  • memory/1056-115-0x0000000073810000-0x000000007381F000-memory.dmp

    Filesize

    60KB

  • memory/1056-117-0x0000000000920000-0x0000000000921000-memory.dmp

    Filesize

    4KB

  • memory/1056-118-0x0000000000930000-0x0000000000940000-memory.dmp

    Filesize

    64KB

  • memory/1060-133-0x00007FFA0C970000-0x00007FFA0C9DB000-memory.dmp

    Filesize

    428KB

  • memory/1296-121-0x00007FFA0C970000-0x00007FFA0C9DB000-memory.dmp

    Filesize

    428KB

  • memory/2876-135-0x00007FFA110F0000-0x00007FFA1115B000-memory.dmp

    Filesize

    428KB

  • memory/3208-123-0x00007FFA0C970000-0x00007FFA0C9DB000-memory.dmp

    Filesize

    428KB

  • memory/3816-129-0x00007FFA0C970000-0x00007FFA0C9DB000-memory.dmp

    Filesize

    428KB

  • memory/3820-131-0x00007FFA0C970000-0x00007FFA0C9DB000-memory.dmp

    Filesize

    428KB