Analysis

  • max time kernel
    28s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    21-04-2021 14:58

General

  • Target

    c01d4a1eb5fec15bd87f0258a2d524738e03dee02b291c6aab5eeaaa15a7d6e2.dll

  • Size

    162KB

  • MD5

    f12d59f5bb85a0ed20a6d2cb5c2aa4f3

  • SHA1

    e11c5a790b6c891b22e8c3e8ca879898ce875b31

  • SHA256

    c01d4a1eb5fec15bd87f0258a2d524738e03dee02b291c6aab5eeaaa15a7d6e2

  • SHA512

    fffedbb44c5ef88e44890d7f8a8f3ac37b28090811b0fbe7900cb1295afb5be164a8b583f50e1d7b9e0466d02a86858520a88c6cf834d51887fca2f0b53f6c5d

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\c01d4a1eb5fec15bd87f0258a2d524738e03dee02b291c6aab5eeaaa15a7d6e2.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4000
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\c01d4a1eb5fec15bd87f0258a2d524738e03dee02b291c6aab5eeaaa15a7d6e2.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:688

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/688-114-0x0000000000000000-mapping.dmp

  • memory/688-115-0x0000000073530000-0x000000007355E000-memory.dmp

    Filesize

    184KB

  • memory/688-117-0x0000000004160000-0x0000000004166000-memory.dmp

    Filesize

    24KB