Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 21:26

General

  • Target

    812d0a87ea330ef9a8a4efcc5c87d23b6ad8b1484286c3eb4c12f2ead0917c0f.exe

  • Size

    908KB

  • MD5

    ac34e785daccade32f152a760bf27236

  • SHA1

    403e478985ae1da11fcbddc12348ed6ff24ac282

  • SHA256

    812d0a87ea330ef9a8a4efcc5c87d23b6ad8b1484286c3eb4c12f2ead0917c0f

  • SHA512

    2542bef1450fd24d0e8321b77920ae62e8dd072736f33fbd67eece97386b403ee302e324b3f22eb3814d23afadbd30c0f11bc6c2e50bcf728724bea0a67ceb31

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\812d0a87ea330ef9a8a4efcc5c87d23b6ad8b1484286c3eb4c12f2ead0917c0f.exe
    "C:\Users\Admin\AppData\Local\Temp\812d0a87ea330ef9a8a4efcc5c87d23b6ad8b1484286c3eb4c12f2ead0917c0f.exe"
    1⤵
      PID:1956
    • 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:1316
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1316 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:780
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1316 CREDAT:275470 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:544
    • 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:1528
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1528 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:608
    • 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:1064
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1064 CREDAT:275457 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:1520

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1956-54-0x0000000075DB1000-0x0000000075DB3000-memory.dmp

      Filesize

      8KB

    • memory/1956-55-0x0000000000220000-0x000000000022C000-memory.dmp

      Filesize

      48KB

    • memory/1956-56-0x0000000000400000-0x00000000004E5000-memory.dmp

      Filesize

      916KB

    • memory/1956-57-0x0000000000240000-0x0000000000251000-memory.dmp

      Filesize

      68KB