Analysis

  • max time kernel
    24s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    29-06-2021 02:20

General

  • Target

    f845a36087a5c639eaa679faf67f4afbb062cb635d496564c6e95177d7a12102.dll

  • Size

    162KB

  • MD5

    14eb94a257e4aa7b913745d95d2211a9

  • SHA1

    c166e749243f744bf7b63f264e9de3722314e2ca

  • SHA256

    f845a36087a5c639eaa679faf67f4afbb062cb635d496564c6e95177d7a12102

  • SHA512

    b65090568db67dec3a4d36df094fd949269b03e8727de72ebacec0a5f69dc492af86bddccb13a266287486458f8f45f97acd3f1717601a981147d7eabedb416e

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\f845a36087a5c639eaa679faf67f4afbb062cb635d496564c6e95177d7a12102.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:632
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f845a36087a5c639eaa679faf67f4afbb062cb635d496564c6e95177d7a12102.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:884

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/884-114-0x0000000000000000-mapping.dmp

  • memory/884-115-0x0000000073FB0000-0x0000000073FDE000-memory.dmp

    Filesize

    184KB

  • memory/884-117-0x0000000003700000-0x0000000003706000-memory.dmp

    Filesize

    24KB