Analysis

  • max time kernel
    148s
  • max time network
    159s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 06:48

General

  • Target

    399c098a9c5d89af73118cd0e1a012b19a6eab4b1ccc3fa2e6f01cad5ca6bdc4.exe

  • Size

    908KB

  • MD5

    a9e39c178c4d107e9efaaae1f375a752

  • SHA1

    0a3a96d201356ed9f673ee198241a1d6af24594b

  • SHA256

    399c098a9c5d89af73118cd0e1a012b19a6eab4b1ccc3fa2e6f01cad5ca6bdc4

  • SHA512

    6add0282684e3911b8d1bfe8d225d34822ebb5fa31a6a482bea0eec177204d91c40d3d1deb8fb8ca49e1187557c882077fdaa5da4ab6bc02fbfe91d1e20017b0

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 3 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\399c098a9c5d89af73118cd0e1a012b19a6eab4b1ccc3fa2e6f01cad5ca6bdc4.exe
    "C:\Users\Admin\AppData\Local\Temp\399c098a9c5d89af73118cd0e1a012b19a6eab4b1ccc3fa2e6f01cad5ca6bdc4.exe"
    1⤵
      PID:1144
    • 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:988
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:988 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:428
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:988 CREDAT:1782788 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:1936
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Modifies Internet Explorer settings
      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⤵
        • Suspicious use of SetWindowsHookEx
        PID:1924
    • 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:1472
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1472 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1548

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1144-54-0x0000000075BF1000-0x0000000075BF3000-memory.dmp
      Filesize

      8KB

    • memory/1144-55-0x0000000000220000-0x000000000022C000-memory.dmp
      Filesize

      48KB

    • memory/1144-56-0x0000000000400000-0x00000000004E5000-memory.dmp
      Filesize

      916KB

    • memory/1144-57-0x0000000000240000-0x0000000000251000-memory.dmp
      Filesize

      68KB