Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    25-05-2022 01:47

General

  • Target

    d95a22f91cd9a47c3e5eb8ab9288dcfb3a4e33ae6eacb9295289e407d3e1b856.exe

  • Size

    908KB

  • MD5

    59596557a87cc4d6fc740837bee20ddf

  • SHA1

    4d56e5510cb9a50f6f26dc9cd74514e0a580d3c2

  • SHA256

    d95a22f91cd9a47c3e5eb8ab9288dcfb3a4e33ae6eacb9295289e407d3e1b856

  • SHA512

    2b7f59ff677b7403ec33124a4fab56fa858839db2f41ce78251c9adab49fca838aff82b7faabe8c06045d5d5fced5a44ec097e21e319cc0dded26f3424bc268c

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 14 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d95a22f91cd9a47c3e5eb8ab9288dcfb3a4e33ae6eacb9295289e407d3e1b856.exe
    "C:\Users\Admin\AppData\Local\Temp\d95a22f91cd9a47c3e5eb8ab9288dcfb3a4e33ae6eacb9295289e407d3e1b856.exe"
    1⤵
      PID:812
    • 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:1080
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1080 CREDAT:275457 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:1380
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1080 CREDAT:275470 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:1116
    • 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:2000
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2000 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        PID:1524
    • 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:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1556

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/812-54-0x0000000075FB1000-0x0000000075FB3000-memory.dmp

      Filesize

      8KB

    • memory/812-55-0x00000000003A0000-0x00000000003AC000-memory.dmp

      Filesize

      48KB

    • memory/812-56-0x0000000000400000-0x00000000004E5000-memory.dmp

      Filesize

      916KB

    • memory/812-57-0x00000000003C0000-0x00000000003D1000-memory.dmp

      Filesize

      68KB