Analysis

  • max time kernel
    75s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    21-12-2024 17:29

General

  • Target

    7b873b894cf92a0d52d5d72a1e267492253b6a784266e493c572f5da407d8b9d.dll

  • Size

    184KB

  • MD5

    d203b9019ef9b9d50f0b9b4c98913680

  • SHA1

    7bee4e2392fa66a64e97be467b6c227a793de7c4

  • SHA256

    7b873b894cf92a0d52d5d72a1e267492253b6a784266e493c572f5da407d8b9d

  • SHA512

    2719814da37033c62904b2dd068ba05629407cdd89d84242f9c97e5fca83a06e7374352cfed33e5b5048d4143b9e7d76a94af4274ac46b31006687245618d80b

  • SSDEEP

    3072:1uwfhNXphcqs2tJYsoa9Xibolk0CtPBU1jhhF8ZJ8fDo4K6lmsb:X7TXYsd9SkONU1jKGlZlm

Malware Config

Extracted

Family

dridex

Botnet

22202

C2

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

rc4.plain
rc4.plain

Signatures

  • Dridex

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

  • Dridex family
  • Dridex Loader 1 IoCs

    Detects Dridex both x86 and x64 loader in memory.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b873b894cf92a0d52d5d72a1e267492253b6a784266e493c572f5da407d8b9d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1688
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b873b894cf92a0d52d5d72a1e267492253b6a784266e493c572f5da407d8b9d.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1628
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 224
        3⤵
        • Program crash
        PID:2916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1628-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

    Filesize

    24KB

  • memory/1628-1-0x0000000075400000-0x0000000075430000-memory.dmp

    Filesize

    192KB

  • memory/1628-3-0x00000000000C0000-0x00000000000C6000-memory.dmp

    Filesize

    24KB