Analysis

  • max time kernel
    152s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    24-05-2022 23:41

General

  • Target

    2a6922c62bed9ba9015a758e8ea2a3f4e5a11497197d99663c9d3ea71eda48fa.exe

  • Size

    908KB

  • MD5

    255f3e50af611470a3545595891c431d

  • SHA1

    6076c099593a3ba39eab0728478a1361473e42a1

  • SHA256

    2a6922c62bed9ba9015a758e8ea2a3f4e5a11497197d99663c9d3ea71eda48fa

  • SHA512

    3a6b4872a37549b7e30e73d3d8e0e3a5525214f50ae9beb263fed1c38f184a6b86c3c88fd9be9872e614bd8d92d263e5bdfb63b5b4607f6a4645bb641fa5ce35

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 7 IoCs
  • Suspicious use of SetWindowsHookEx 28 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2a6922c62bed9ba9015a758e8ea2a3f4e5a11497197d99663c9d3ea71eda48fa.exe
    "C:\Users\Admin\AppData\Local\Temp\2a6922c62bed9ba9015a758e8ea2a3f4e5a11497197d99663c9d3ea71eda48fa.exe"
    1⤵
      PID:452
    • C:\Program Files (x86)\Internet Explorer\ielowutil.exe
      "C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding
      1⤵
        PID:2076
      • 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:3356
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3356 CREDAT:17410 /prefetch:2
          2⤵
          • Suspicious use of SetWindowsHookEx
          PID:2636
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3356 CREDAT:82950 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:2460
      • 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:1772
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1772 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:2360
      • 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:612
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:612 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:5052
      • 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:3380
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3380 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:368
      • 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:1496
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1496 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:4860
      • 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:3496
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3496 CREDAT:17410 /prefetch:2
          2⤵
          • Suspicious use of SetWindowsHookEx
          PID:2308

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • memory/452-130-0x0000000002260000-0x0000000002271000-memory.dmp

        Filesize

        68KB

      • memory/452-136-0x0000000002220000-0x000000000222C000-memory.dmp

        Filesize

        48KB

      • memory/452-137-0x0000000000400000-0x00000000004E5000-memory.dmp

        Filesize

        916KB