Analysis

  • max time kernel
    150s
  • max time network
    189s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 06:45

General

  • Target

    fe4c7844ee27260fb65580943a2fcd1099127e0ef0ca30742c061c77736aa75a.exe

  • Size

    909KB

  • MD5

    8a5fc80a97189056f07e16499d5a7327

  • SHA1

    8e054f30b84e8ed9124149a8f1aadd463d88be6d

  • SHA256

    fe4c7844ee27260fb65580943a2fcd1099127e0ef0ca30742c061c77736aa75a

  • SHA512

    533d41afdb3bda8f128de9a6dc1e3488b12ca65fe175f78decc52b34dfcea6130375d80b270960703bb7da3eddbb7966f20285c6bb0b7d8d4169602d5f7c40fd

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\fe4c7844ee27260fb65580943a2fcd1099127e0ef0ca30742c061c77736aa75a.exe
    "C:\Users\Admin\AppData\Local\Temp\fe4c7844ee27260fb65580943a2fcd1099127e0ef0ca30742c061c77736aa75a.exe"
    1⤵
      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:1984
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1984 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:860
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1984 CREDAT:209934 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1104
    • 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:1192
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1192 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1324
    • 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⤵
        • Suspicious use of SetWindowsHookEx
        PID:1040

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1864-54-0x0000000075A61000-0x0000000075A63000-memory.dmp

      Filesize

      8KB

    • memory/1864-55-0x0000000000220000-0x000000000022C000-memory.dmp

      Filesize

      48KB

    • memory/1864-56-0x0000000000400000-0x00000000004E5000-memory.dmp

      Filesize

      916KB

    • memory/1864-57-0x0000000000240000-0x0000000000251000-memory.dmp

      Filesize

      68KB