Analysis

  • max time kernel
    18s
  • max time network
    115s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    29-06-2021 04:28

General

  • Target

    6b5103c6d0441ef0d2829e0d5e20ebbed60fc2c7505b8563fa850855d909c529.dll

  • Size

    162KB

  • MD5

    04589e6a863e971bee1b31bb88066360

  • SHA1

    b4e83753447b52e14ab0f10f2ca419215b40b551

  • SHA256

    6b5103c6d0441ef0d2829e0d5e20ebbed60fc2c7505b8563fa850855d909c529

  • SHA512

    55d1df77e710e967440e91780f9f7ad3eb8361b46cc5490a7930d1199c878652fb0be25997f6ad8fa4978e19f98bede64b0a7cb3e7afc7ab99f7c68faf6d0f51

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\6b5103c6d0441ef0d2829e0d5e20ebbed60fc2c7505b8563fa850855d909c529.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\6b5103c6d0441ef0d2829e0d5e20ebbed60fc2c7505b8563fa850855d909c529.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3964

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3964-114-0x0000000000000000-mapping.dmp

  • memory/3964-115-0x0000000073860000-0x000000007388E000-memory.dmp

    Filesize

    184KB

  • memory/3964-117-0x0000000004950000-0x0000000004956000-memory.dmp

    Filesize

    24KB