Analysis

  • max time kernel
    142s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    06-05-2024 17:28

General

  • Target

    cf8oprb5.jpg.dll

  • Size

    664KB

  • MD5

    e336f542343e0c325f97335b6cd911a5

  • SHA1

    17efa4877db6fb939f28e04315b4701a087502f1

  • SHA256

    27f14a0d6503fbc9ec406c167f9b9b5983e2e6662dc2010e00db49b133afeb89

  • SHA512

    15acd921ca6d6f4c73bed213b858e83dbd2159c59e59d94600a01cb25898b9edec5dbf1634f05431418d9fb8257035a1368868c8c890a5dcf5b78d84aeebb89f

  • SSDEEP

    12288:u/0Qzqf0eri48EM+6TFKywVt6PbEYU0eyJTT/Mu9oV01uSoaEP:00zhrHn6TFKywvCbEOxDMu9oyyaEP

Malware Config

Extracted

Family

dridex

Botnet

10222

C2

174.128.245.202:443

51.83.3.52:13786

69.64.50.41:6602

rc4.plain
rc4.plain

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Blocklisted process makes network request 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf8oprb5.jpg.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2476
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf8oprb5.jpg.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Checks whether UAC is enabled
      PID:2060

Network

MITRE ATT&CK Matrix ATT&CK v13

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2060-0-0x0000000001F10000-0x000000000204C000-memory.dmp
    Filesize

    1.2MB

  • memory/2060-3-0x0000000001F10000-0x000000000204C000-memory.dmp
    Filesize

    1.2MB

  • memory/2060-2-0x0000000001F10000-0x000000000204C000-memory.dmp
    Filesize

    1.2MB

  • memory/2060-7-0x0000000001F10000-0x000000000204C000-memory.dmp
    Filesize

    1.2MB

  • memory/2060-6-0x0000000001FB2000-0x0000000001FB8000-memory.dmp
    Filesize

    24KB

  • memory/2060-8-0x0000000001F10000-0x000000000204C000-memory.dmp
    Filesize

    1.2MB