Analysis

  • max time kernel
    143s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    25-05-2022 00:07

General

  • Target

    04f20698ada9ce2b5e3afcaa00bfb9029545d6ce411dc75eab99e80d40e3b2ec.exe

  • Size

    909KB

  • MD5

    a65868650cb19f4d799cc9b005254b9b

  • SHA1

    df0a6411c9844d5cc473828254e4523492a6200e

  • SHA256

    04f20698ada9ce2b5e3afcaa00bfb9029545d6ce411dc75eab99e80d40e3b2ec

  • SHA512

    bf087bd9d53f28c524589ce06c47a96d6d993499e06241a12e60e3be75e595f28c53c67f3a09b6f9bdeda4c6ab291a5f1c7c81345804f9278adeb4a826e3c9da

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\04f20698ada9ce2b5e3afcaa00bfb9029545d6ce411dc75eab99e80d40e3b2ec.exe
    "C:\Users\Admin\AppData\Local\Temp\04f20698ada9ce2b5e3afcaa00bfb9029545d6ce411dc75eab99e80d40e3b2ec.exe"
    1⤵
      PID:1320
    • 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:2012
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2012 CREDAT:275457 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:2020
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2012 CREDAT:406537 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:984
    • 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:560
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:560 CREDAT:275457 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:480
    • 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:692
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:692 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1792

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1320-54-0x0000000075CD1000-0x0000000075CD3000-memory.dmp

      Filesize

      8KB

    • memory/1320-55-0x0000000000220000-0x000000000022C000-memory.dmp

      Filesize

      48KB

    • memory/1320-56-0x0000000000400000-0x00000000004E5000-memory.dmp

      Filesize

      916KB

    • memory/1320-57-0x0000000000240000-0x0000000000251000-memory.dmp

      Filesize

      68KB