Analysis

  • max time kernel
    144s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24-05-2022 14:46

General

  • Target

    7dc7f88bb2dff51875a9381f2e978c276d15cb5c6695c62e4c708d1d57ddf217.exe

  • Size

    908KB

  • MD5

    c8acec38eb8a25bd15b56622e95ee746

  • SHA1

    02d2d292b760fa5963aa6dda8b26c092ee294dc6

  • SHA256

    7dc7f88bb2dff51875a9381f2e978c276d15cb5c6695c62e4c708d1d57ddf217

  • SHA512

    fb6ad6667b727aaee9d7eeafd48d042cf8f2992d3a81d6831ff80115ebd9c04702f8bbcfa6c2aa75b47a2e609739ef18251cd97e272a4654d21ec6e3c413a780

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 4 IoCs
  • Suspicious use of SetWindowsHookEx 16 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7dc7f88bb2dff51875a9381f2e978c276d15cb5c6695c62e4c708d1d57ddf217.exe
    "C:\Users\Admin\AppData\Local\Temp\7dc7f88bb2dff51875a9381f2e978c276d15cb5c6695c62e4c708d1d57ddf217.exe"
    1⤵
      PID:1156
    • 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⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:616
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:600 CREDAT:406536 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:1748
    • 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:1056
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1056 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:956
    • 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:748
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:748 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1836

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1156-54-0x0000000075271000-0x0000000075273000-memory.dmp

      Filesize

      8KB

    • memory/1156-55-0x0000000000220000-0x000000000022C000-memory.dmp

      Filesize

      48KB

    • memory/1156-56-0x0000000000400000-0x00000000004E5000-memory.dmp

      Filesize

      916KB

    • memory/1156-57-0x0000000000240000-0x0000000000251000-memory.dmp

      Filesize

      68KB