Analysis

  • max time kernel
    19s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    29-06-2021 03:27

General

  • Target

    7b9c9955bb159ba23c67ab54f9c54ce134a86e938b537d1e4d3570030833d483.dll

  • Size

    162KB

  • MD5

    57dd40c0954b0e2f25b8be58ce289dd7

  • SHA1

    2e024b1900acc3959691da21edce335dc8df934f

  • SHA256

    7b9c9955bb159ba23c67ab54f9c54ce134a86e938b537d1e4d3570030833d483

  • SHA512

    408d2a1194fc90dd6a5806a8b4d6eef8be6da0f6ff8b4ec48c80f427b9fb62ab08808e3c21d3fb51d763ae5fecc12483dd059363e5d88ab01a998bb9d94f3ff3

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\7b9c9955bb159ba23c67ab54f9c54ce134a86e938b537d1e4d3570030833d483.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4444
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b9c9955bb159ba23c67ab54f9c54ce134a86e938b537d1e4d3570030833d483.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:4460

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4460-114-0x0000000000000000-mapping.dmp

  • memory/4460-115-0x0000000073820000-0x000000007384E000-memory.dmp

    Filesize

    184KB

  • memory/4460-117-0x0000000000800000-0x00000000008AE000-memory.dmp

    Filesize

    696KB