Analysis

  • max time kernel
    148s
  • max time network
    196s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • 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 31 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:1472
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\tru.bin.dll,#1
      2⤵
      • Blocklisted process makes network request
      PID:1668
  • 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:1808
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1808 CREDAT:275457 /prefetch:2
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:1240
  • 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:1536
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1536 CREDAT:275457 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:1740
  • 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:1372
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1372 CREDAT:275457 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:1980
  • 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:952
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:952 CREDAT:275457 /prefetch:2
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:1948
  • 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:1164
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1164 CREDAT:275457 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:340
  • 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:1280
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1280 CREDAT:275457 /prefetch:2
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:1824

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/952-81-0x000007FEFBF71000-0x000007FEFBF73000-memory.dmp

    Filesize

    8KB

  • memory/1668-64-0x00000000001C0000-0x00000000001D0000-memory.dmp

    Filesize

    64KB

  • memory/1668-68-0x0000000000270000-0x0000000000272000-memory.dmp

    Filesize

    8KB

  • memory/1668-63-0x00000000001B0000-0x00000000001B1000-memory.dmp

    Filesize

    4KB

  • memory/1668-61-0x0000000074D80000-0x0000000074D8F000-memory.dmp

    Filesize

    60KB

  • memory/1668-62-0x0000000074D80000-0x0000000074E81000-memory.dmp

    Filesize

    1.0MB

  • memory/1668-60-0x00000000757C1000-0x00000000757C3000-memory.dmp

    Filesize

    8KB

  • memory/1948-84-0x00000000001E0000-0x00000000001E2000-memory.dmp

    Filesize

    8KB

  • memory/1980-78-0x00000000003E0000-0x00000000003E2000-memory.dmp

    Filesize

    8KB