Analysis

  • max time kernel
    152s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 06:46

General

  • Target

    a142aa54bf6d9e667d002bd737769aaacfbf1782d84a167d4eb35f8c4c3d6157.exe

  • Size

    908KB

  • MD5

    c1ff2f113f870f0e3e73dd127edf72b9

  • SHA1

    1286bc31f69303e7c01c5e4515200c369199c15b

  • SHA256

    a142aa54bf6d9e667d002bd737769aaacfbf1782d84a167d4eb35f8c4c3d6157

  • SHA512

    0ed3f012729fec2acd6c6af16fa4db8f40e12f8ad90a64e737661ffc22c0b5dc4c7ca6664cf04d1415d738863c952c6c3437e22e18342fbe73a9e297ce8385cd

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 5 IoCs
  • Suspicious use of SetWindowsHookEx 20 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a142aa54bf6d9e667d002bd737769aaacfbf1782d84a167d4eb35f8c4c3d6157.exe
    "C:\Users\Admin\AppData\Local\Temp\a142aa54bf6d9e667d002bd737769aaacfbf1782d84a167d4eb35f8c4c3d6157.exe"
    1⤵
      PID:1108
    • 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:332
      • 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:1952
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1952 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:1484
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1952 CREDAT:82950 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:4700
      • 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:2488
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2488 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:1316
      • 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:4048
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4048 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:4468
      • 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:4712
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4712 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:4988

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • memory/1108-130-0x0000000000880000-0x000000000088C000-memory.dmp

        Filesize

        48KB

      • memory/1108-131-0x0000000000400000-0x00000000004E5000-memory.dmp

        Filesize

        916KB

      • memory/1108-132-0x00000000008A0000-0x00000000008B1000-memory.dmp

        Filesize

        68KB