Analysis

  • max time kernel
    26s
  • max time network
    120s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    29-06-2021 06:03

General

  • Target

    389faba3881e508db9211da676d564a1b07f23a74f2162de2f4b375215a3bf53.dll

  • Size

    162KB

  • MD5

    13fc3c0e9337482999091d122bdda9f5

  • SHA1

    4ad84b2879fde294b741cafc3ab9e47e524b629c

  • SHA256

    389faba3881e508db9211da676d564a1b07f23a74f2162de2f4b375215a3bf53

  • SHA512

    472e843cf762c281ef171ba455179b3fe02b068a258a51d60a6cf0cc9ecf9511c09b61d65bdd15f0bbb0c32b6e593aad947f093942f2e9b75c8792de14e4bccd

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\389faba3881e508db9211da676d564a1b07f23a74f2162de2f4b375215a3bf53.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:992
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\389faba3881e508db9211da676d564a1b07f23a74f2162de2f4b375215a3bf53.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1416

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1416-114-0x0000000000000000-mapping.dmp

  • memory/1416-115-0x0000000073F10000-0x0000000073F3E000-memory.dmp

    Filesize

    184KB

  • memory/1416-117-0x0000000000D60000-0x0000000000D66000-memory.dmp

    Filesize

    24KB