Analysis

  • max time kernel
    38s
  • max time network
    15s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    11-05-2021 13:07

General

  • Target

    8ea83d67_by_Libranalysis.dll

  • Size

    162KB

  • MD5

    8ea83d6713664feb88c4c4a8c530cf05

  • SHA1

    768168d91479d8aece3899a92eb2693c2fbc32a5

  • SHA256

    f0aaf017c7385bd29d611a89de93fce39cd860e6666345616b100ecc7500f78e

  • SHA512

    05442a3e26128df2431aa01d1d80faf93da2aececadf03037caa8ade2959e0b9246f75e978885440a41f6388d7b1e11ce5f7000ec345c66dfce0fee0d7ecd154

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 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\8ea83d67_by_Libranalysis.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1796
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\8ea83d67_by_Libranalysis.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1604

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1604-59-0x0000000000000000-mapping.dmp
  • memory/1604-60-0x0000000076A01000-0x0000000076A03000-memory.dmp
    Filesize

    8KB

  • memory/1604-61-0x0000000075330000-0x000000007535E000-memory.dmp
    Filesize

    184KB

  • memory/1604-63-0x0000000000140000-0x0000000000146000-memory.dmp
    Filesize

    24KB