Analysis

  • max time kernel
    4294210s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    26-03-2022 07:19

General

  • Target

    2944079cbb2fcd9d0e23d98e7777cb38f8e9331c710d7910cea2e9cb14c683e3.exe

  • Size

    909KB

  • MD5

    eedccd1eb487c69d8e3ffbef120d1899

  • SHA1

    fb5c8aa75c79f26fab534e5299f42b8430dcf6c5

  • SHA256

    2944079cbb2fcd9d0e23d98e7777cb38f8e9331c710d7910cea2e9cb14c683e3

  • SHA512

    a79abcefa7723f9348c3d552552723595f2aba4893b8909a7fd50e48d4825e396fc50f0af6fab1f14ea9c6d4caca8eecbf081413fc2b64a6edce6cc211855692

Malware Config

Extracted

Family

gozi_rm3

Attributes
  • build

    300854

  • exe_type

    loader

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 6 IoCs
  • Suspicious use of SetWindowsHookEx 24 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2944079cbb2fcd9d0e23d98e7777cb38f8e9331c710d7910cea2e9cb14c683e3.exe
    "C:\Users\Admin\AppData\Local\Temp\2944079cbb2fcd9d0e23d98e7777cb38f8e9331c710d7910cea2e9cb14c683e3.exe"
    1⤵
      PID:964
    • 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:1992
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1992 CREDAT:275457 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:1984
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1992 CREDAT:209934 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:988
    • 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:340
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:340 CREDAT:275457 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:1840
    • 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:1936
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1936 CREDAT:275457 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:1084
    • 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:1544
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1544 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:984

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/964-54-0x0000000075E61000-0x0000000075E63000-memory.dmp

      Filesize

      8KB

    • memory/964-55-0x00000000002C0000-0x00000000002D1000-memory.dmp

      Filesize

      68KB

    • memory/964-61-0x00000000002A0000-0x00000000002AC000-memory.dmp

      Filesize

      48KB

    • memory/964-62-0x0000000000400000-0x00000000004E5000-memory.dmp

      Filesize

      916KB

    • memory/964-63-0x0000000000300000-0x0000000000302000-memory.dmp

      Filesize

      8KB