Analysis

  • max time kernel
    18s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    29-06-2021 07:31

General

  • Target

    394be46bbf99d4f4cd158a1923901e02648cde82150f402b124978efaebe6d49.dll

  • Size

    162KB

  • MD5

    80dd3e660c0c39a57eb1ddf599427444

  • SHA1

    a122d865c32771b6f042ec8546e983e32448a5ab

  • SHA256

    394be46bbf99d4f4cd158a1923901e02648cde82150f402b124978efaebe6d49

  • SHA512

    9f68206578feefc7f625c9ebd7bd58786b64ed214e50805f587d0e334cd4458b3191a715702efdd036d0dbd29f2b9acdf06efae800aa47c90b30270cd7aa28c7

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

rc4.plain
rc4.plain

Signatures

  • Dridex

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

  • Dridex Loader 1 IoCs

    Detects Dridex both x86 and x64 loader in memory.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\394be46bbf99d4f4cd158a1923901e02648cde82150f402b124978efaebe6d49.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3968
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\394be46bbf99d4f4cd158a1923901e02648cde82150f402b124978efaebe6d49.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:4024

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4024-114-0x0000000000000000-mapping.dmp

  • memory/4024-115-0x00000000755E0000-0x000000007560E000-memory.dmp

    Filesize

    184KB

  • memory/4024-117-0x0000000003150000-0x0000000003156000-memory.dmp

    Filesize

    24KB