Analysis

  • max time kernel
    151s
  • max time network
    158s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 06:47

General

  • Target

    6cba3fc1abb46777feb212d202d230ee1ecabadfad2e997c169220a71b43be0a.exe

  • Size

    908KB

  • MD5

    e305ef5d62f2a76df14c291b4a5b2bf6

  • SHA1

    3e9583b6c53d1795d107e4e760483fa15e3345d0

  • SHA256

    6cba3fc1abb46777feb212d202d230ee1ecabadfad2e997c169220a71b43be0a

  • SHA512

    c3ef25fc8cf26dbce167dee3c86f7c35f41e660398433f578a1297820fa76342fce969c77a2a12050d6cb468d457b8cd3480041ee88c8bc019d1f101d8183fec

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\6cba3fc1abb46777feb212d202d230ee1ecabadfad2e997c169220a71b43be0a.exe
    "C:\Users\Admin\AppData\Local\Temp\6cba3fc1abb46777feb212d202d230ee1ecabadfad2e997c169220a71b43be0a.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:1652
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1652 CREDAT:275457 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:468
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1652 CREDAT:472074 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1168
    • 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:1476
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1476 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1192
    • 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:1292
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1292 CREDAT:275457 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:1040

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\XYLLOKEP.txt
      Filesize

      600B

      MD5

      2165cf893c251e66e13452f657ae3784

      SHA1

      b9ce4871953d273b46364e911b1436ffbca7ec2c

      SHA256

      034ddc33d0c6ef86fdc548fab0583ab18ec457f35ee34f9be0049cf8afe024cb

      SHA512

      5f9ab0672b0b2966a151093068f1af99dae1cc692ac02ed1be5258a0f8c43e6895da44671bd5f02332e56b59181bb59fc32038cef2f4f70d84dd737a3903c00a

    • memory/2020-54-0x00000000755C1000-0x00000000755C3000-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