Analysis

  • max time kernel
    28s
  • max time network
    13s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    21-04-2021 18:03

General

  • Target

    f9e0b1573851e9ad408585efb73eb54028385514daa34e04263d00a447f13f92.dll

  • Size

    162KB

  • MD5

    9ce4d573b6066d9fa8e6bf25a7ef1a9c

  • SHA1

    e4602d539dbfee07a32137add24c978e9a1a9cc8

  • SHA256

    f9e0b1573851e9ad408585efb73eb54028385514daa34e04263d00a447f13f92

  • SHA512

    1d8130460cf0aee457befe8b6786430ce3351396f6016cc05c011a90f0a765d8747bad25a41652561870518a6b3ab63d76df74e1d194ef5d80ea88419f10bc05

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\f9e0b1573851e9ad408585efb73eb54028385514daa34e04263d00a447f13f92.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1200
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f9e0b1573851e9ad408585efb73eb54028385514daa34e04263d00a447f13f92.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1916

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1916-59-0x0000000000000000-mapping.dmp
  • memory/1916-60-0x00000000768B1000-0x00000000768B3000-memory.dmp
    Filesize

    8KB

  • memory/1916-61-0x00000000752C0000-0x00000000752EE000-memory.dmp
    Filesize

    184KB

  • memory/1916-63-0x00000000001D0000-0x00000000001D6000-memory.dmp
    Filesize

    24KB