Analysis

  • max time kernel
    153s
  • max time network
    169s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 06:46

General

  • Target

    afb54296eddcc65d4ec2d884cdbde8bcce4f3f1d1c026dc1072927f10fe9046a.exe

  • Size

    908KB

  • MD5

    612f1a5f3003c638369ed2f4d484a5a6

  • SHA1

    ed9e2bbbb40af4140ef8b15b243bacd30b7ef61f

  • SHA256

    afb54296eddcc65d4ec2d884cdbde8bcce4f3f1d1c026dc1072927f10fe9046a

  • SHA512

    8b9291ea5b22c7489c072fdad6787e518895f2716e213dbc99e82669d8f7879af9a90d0fc1953392ebfafc668860f4d86503e1cb7d32960c8cce74be5e7bca2a

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\afb54296eddcc65d4ec2d884cdbde8bcce4f3f1d1c026dc1072927f10fe9046a.exe
    "C:\Users\Admin\AppData\Local\Temp\afb54296eddcc65d4ec2d884cdbde8bcce4f3f1d1c026dc1072927f10fe9046a.exe"
    1⤵
      PID:1312
    • 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:1912
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1912 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1812
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1912 CREDAT:472075 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1516
    • 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:1520
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1520 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • 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:556
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:556 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1696

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1312-54-0x0000000076451000-0x0000000076453000-memory.dmp

      Filesize

      8KB

    • memory/1312-55-0x00000000001B0000-0x00000000001BC000-memory.dmp

      Filesize

      48KB

    • memory/1312-56-0x0000000000400000-0x00000000004E5000-memory.dmp

      Filesize

      916KB

    • memory/1312-57-0x00000000001D0000-0x00000000001E1000-memory.dmp

      Filesize

      68KB