Analysis

  • max time kernel
    147s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    25-06-2022 04:57

General

  • Target

    7560a2c57eeb90ebbb537235cb4daf91cc80ef84b8e082f6cf80b97e32d267a6.exe

  • Size

    908KB

  • MD5

    bfdc155a6751f9c5b13101015aa8a688

  • SHA1

    31a524554805447492dd58cae0ecb2c4f04fecd3

  • SHA256

    7560a2c57eeb90ebbb537235cb4daf91cc80ef84b8e082f6cf80b97e32d267a6

  • SHA512

    2c02f380c0ede06590ed7af97073268549e5fcc6af45e31f824f6d0f41fc68d0f607b1bd0a25773e9dedee7435a52397c6f06ab5fd96b9313a23e4601967a053

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 64 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SetWindowsHookEx 16 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7560a2c57eeb90ebbb537235cb4daf91cc80ef84b8e082f6cf80b97e32d267a6.exe
    "C:\Users\Admin\AppData\Local\Temp\7560a2c57eeb90ebbb537235cb4daf91cc80ef84b8e082f6cf80b97e32d267a6.exe"
    1⤵
      PID:2020
    • 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:1424
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1424 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1744
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1424 CREDAT:472074 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:1412
    • 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:548
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:548 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1076
    • 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:1360
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1360 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1152

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2020-54-0x0000000076261000-0x0000000076263000-memory.dmp

      Filesize

      8KB

    • memory/2020-55-0x0000000000220000-0x000000000022C000-memory.dmp

      Filesize

      48KB

    • memory/2020-56-0x0000000000400000-0x00000000004E5000-memory.dmp

      Filesize

      916KB

    • memory/2020-57-0x0000000000240000-0x0000000000251000-memory.dmp

      Filesize

      68KB

    • memory/2020-63-0x0000000000400000-0x00000000004E5000-memory.dmp

      Filesize

      916KB