Analysis

  • max time kernel
    26s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    19-06-2021 20:46

General

  • Target

    87acc637b0e690620e3c7b6de73bf08eeb0bddd731b4905373cd39206353308d.dll

  • Size

    158KB

  • MD5

    f782ad4ce69a554122341614928cdc21

  • SHA1

    55568dfa226537ba0e42b3566afc9fc68550c538

  • SHA256

    87acc637b0e690620e3c7b6de73bf08eeb0bddd731b4905373cd39206353308d

  • SHA512

    bc4e88e2b6cf229fd35fb8ccc2d88d49f111937d19dd773b28582fd23757c0204a3c5a1ad4c4496856368c4d0b62fd270e6bef115895f2063c0fdd0583916eb7

Malware Config

Extracted

Family

dridex

Botnet

40111

C2

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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\87acc637b0e690620e3c7b6de73bf08eeb0bddd731b4905373cd39206353308d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4060
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\87acc637b0e690620e3c7b6de73bf08eeb0bddd731b4905373cd39206353308d.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:632

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/632-114-0x0000000000000000-mapping.dmp

  • memory/632-115-0x0000000073990000-0x00000000739BD000-memory.dmp

    Filesize

    180KB

  • memory/632-117-0x0000000000760000-0x0000000000766000-memory.dmp

    Filesize

    24KB