Analysis

  • max time kernel
    167s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    01-02-2022 08:42

General

  • Target

    fd778cd2f02d549347df0cae2f1a55cfc2d6f73e975d8b88489d04d2447f7ebc.exe

  • Size

    52KB

  • MD5

    ed380a4338d439ca09a6e375501a72c8

  • SHA1

    11b4d0d7a4fc1294c4a26a12f491f1019c9b9c17

  • SHA256

    fd778cd2f02d549347df0cae2f1a55cfc2d6f73e975d8b88489d04d2447f7ebc

  • SHA512

    2e1a7c539ee1386141da7954de7e090e70018140c143dcc039c9463738a7893a45a657655ee81d0791624344c3bc36112e0df93503ab0d9f477a8879c37d2ae2

Malware Config

Extracted

Family

gozi_rm3

Attributes
  • exe_type

    loader

Extracted

Family

gozi_rm3

Botnet

86920234

C2

https://susanslewis.xyz

Attributes
  • build

    300898

  • 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.

  • Sets service image path in registry 2 TTPs
  • Modifies Internet Explorer settings 1 TTPs 64 IoCs
  • Modifies data under HKEY_USERS 41 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SetWindowsHookEx 24 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fd778cd2f02d549347df0cae2f1a55cfc2d6f73e975d8b88489d04d2447f7ebc.exe
    "C:\Users\Admin\AppData\Local\Temp\fd778cd2f02d549347df0cae2f1a55cfc2d6f73e975d8b88489d04d2447f7ebc.exe"
    1⤵
      PID:1712
    • 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:3208
      • 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:3220
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3220 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:3988
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3220 CREDAT:82950 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:2132
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p
        1⤵
          PID:2748
        • C:\Windows\System32\WaaSMedicAgent.exe
          C:\Windows\System32\WaaSMedicAgent.exe 7d74234775edece9243a30338ea90ee8 zI7tg6i4XkS7qX4zTH8XcA.0.1.0.0.0
          1⤵
          • Modifies data under HKEY_USERS
          PID:3276
        • 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:3008
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3008 CREDAT:17410 /prefetch:2
            2⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2908
        • 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:384
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:384 CREDAT:17410 /prefetch:2
            2⤵
            • Suspicious use of SetWindowsHookEx
            PID:3404
        • 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:432
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:432 CREDAT:17410 /prefetch:2
            2⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2200
        • 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:1752
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1752 CREDAT:17410 /prefetch:2
            2⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:996

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/1712-130-0x00000000001C0000-0x00000000001D6000-memory.dmp

          Filesize

          88KB