Analysis

  • max time kernel
    138s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    25-05-2022 00:42

General

  • Target

    eef2ae190d73d30c1a8273d0ea04ae5c73dee5cd11a4f253d6d18fe9a2f25166.exe

  • Size

    908KB

  • MD5

    067c4ed0a9d23917a323cc44bde25b49

  • SHA1

    97e4156318d22335ff9b9bb45892f8df9964a7ca

  • SHA256

    eef2ae190d73d30c1a8273d0ea04ae5c73dee5cd11a4f253d6d18fe9a2f25166

  • SHA512

    7ad0a47fa0261351816941ab90517ba7593a7615ec88f1f190d78767e6e92e04248cfba15fc700f83ba3d38651398a8611c25968972c5a3d83ed1707a4f8d4cf

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 62 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eef2ae190d73d30c1a8273d0ea04ae5c73dee5cd11a4f253d6d18fe9a2f25166.exe
    "C:\Users\Admin\AppData\Local\Temp\eef2ae190d73d30c1a8273d0ea04ae5c73dee5cd11a4f253d6d18fe9a2f25166.exe"
    1⤵
      PID:1348
    • 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:1332
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1332 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:912
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1332 CREDAT:537616 /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:852
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:852 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:968
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Modifies Internet Explorer settings
      PID:2044
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2044 CREDAT:275457 /prefetch:2
        2⤵
          PID:1408

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Defense Evasion

      Modify Registry

      1
      T1112

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1348-54-0x0000000076531000-0x0000000076533000-memory.dmp
        Filesize

        8KB

      • memory/1348-55-0x0000000000220000-0x000000000022C000-memory.dmp
        Filesize

        48KB

      • memory/1348-56-0x0000000000400000-0x00000000004E5000-memory.dmp
        Filesize

        916KB

      • memory/1348-57-0x0000000000240000-0x0000000000251000-memory.dmp
        Filesize

        68KB