Analysis

  • max time kernel
    18s
  • max time network
    116s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    22-06-2021 13:41

General

  • Target

    12037ced039b7295d9ff46fe0bcd60601aaf2196b1b778206843aab88841046c.dll

  • Size

    162KB

  • MD5

    5383a519d0c6bc59404f52e4d17af7e5

  • SHA1

    dcdd7b8ff116ee6e90a73a9c1316c9e24d9ca65c

  • SHA256

    12037ced039b7295d9ff46fe0bcd60601aaf2196b1b778206843aab88841046c

  • SHA512

    99b4a21e0cfcf1fb986fbf09db5ae01548519c56fca6a3acbdfc64443337a123329ec5b1cfb93578920acdc82775a5eb8ba836df32092b3b253f9ba87a7bfa19

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\12037ced039b7295d9ff46fe0bcd60601aaf2196b1b778206843aab88841046c.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1892
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\12037ced039b7295d9ff46fe0bcd60601aaf2196b1b778206843aab88841046c.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3220

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3220-115-0x00000000736D0000-0x00000000736FE000-memory.dmp

    Filesize

    184KB

  • memory/3220-117-0x0000000000820000-0x0000000000826000-memory.dmp

    Filesize

    24KB