Resubmissions

02-11-2021 03:48

211102-edasfagdbj 10

09-03-2021 16:03

210309-zdaphqpyje 10

24-12-2020 08:00

201224-p53mst8e3j 10

Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09-03-2021 16:03

General

  • Target

    drfone.exe

  • Size

    198KB

  • MD5

    545f38fbb74881142712052a5b6eabce

  • SHA1

    4cbaf1ecb48629b163f4387605c8a9011e89183c

  • SHA256

    7b8ef3f064d0de0c27d56ff4df7d360f0d546d32aabbdf96a746bab5c84277ec

  • SHA512

    d58a0dd4dfce60fce85e7fbee653828dfcd6e0ff093ea3b92e5588bd8ca05bc5502e4f71145b7fa13645034db122c5ceb5c8b579d5525ceb4ec30ee161fd3673

Malware Config

Extracted

Family

gozi_rm3

Botnet

201193204

C2

https://hapynewyear.xyz

Attributes
  • build

    300932

  • exe_type

    loader

  • non_target_locale

    RU

  • server_id

    12

  • url_path

    index.htm

rsa_pubkey.base64
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 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\drfone.exe
    "C:\Users\Admin\AppData\Local\Temp\drfone.exe"
    1⤵
      PID:844
    • 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:600
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:600 CREDAT:275457 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:612
    • 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:1852
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1852 CREDAT:275457 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:952
    • 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:896
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:896 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:744
    • 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:1848
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1848 CREDAT:275457 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:1632
    • 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:836
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:836 CREDAT:275457 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:568

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/600-6-0x000007FEFC2B1000-0x000007FEFC2B3000-memory.dmp

      Filesize

      8KB

    • memory/836-15-0x0000000000520000-0x0000000000530000-memory.dmp

      Filesize

      64KB

    • memory/844-5-0x00000000002E0000-0x00000000002F2000-memory.dmp

      Filesize

      72KB

    • memory/844-3-0x0000000000250000-0x0000000000255000-memory.dmp

      Filesize

      20KB

    • memory/844-10-0x0000000000330000-0x0000000000332000-memory.dmp

      Filesize

      8KB

    • memory/844-2-0x0000000076881000-0x0000000076883000-memory.dmp

      Filesize

      8KB

    • memory/844-4-0x0000000000400000-0x0000000000410000-memory.dmp

      Filesize

      64KB

    • memory/868-7-0x000007FEF7EB0000-0x000007FEF812A000-memory.dmp

      Filesize

      2.5MB