Analysis

  • max time kernel
    154s
  • max time network
    164s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 06:46

General

  • Target

    910a684e6a7b7e76103d20bf0f5d8e80eb113521ad341cbe3f677d9c29c1605a.exe

  • Size

    908KB

  • MD5

    daacc4e55d77482046e9762eebdcb73e

  • SHA1

    b39a4871969a39c753f4a536bfdba0631d95eb24

  • SHA256

    910a684e6a7b7e76103d20bf0f5d8e80eb113521ad341cbe3f677d9c29c1605a

  • SHA512

    f179d577f2d5791a9fb9054561546735eaf2024fc3fc012fd8facd84c713dbd68d7787e06afd171a5bfa1c1452bc03d90c611aeaba036e16347e9e5389576e47

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 34 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\910a684e6a7b7e76103d20bf0f5d8e80eb113521ad341cbe3f677d9c29c1605a.exe
    "C:\Users\Admin\AppData\Local\Temp\910a684e6a7b7e76103d20bf0f5d8e80eb113521ad341cbe3f677d9c29c1605a.exe"
    1⤵
      PID:1392
    • 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:1400
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1400 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1880
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1400 CREDAT:472074 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1052

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1392-54-0x0000000075951000-0x0000000075953000-memory.dmp
      Filesize

      8KB

    • memory/1392-55-0x0000000000220000-0x000000000022C000-memory.dmp
      Filesize

      48KB

    • memory/1392-56-0x0000000000400000-0x00000000004E5000-memory.dmp
      Filesize

      916KB

    • memory/1392-57-0x00000000002C0000-0x00000000002D1000-memory.dmp
      Filesize

      68KB