Analysis

  • max time kernel
    18s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    29-06-2021 01:23

General

  • Target

    806f2bffc21538006dfeee2b251031b6b6000437f8f62e0f2c2baa22bbb17f2e.dll

  • Size

    162KB

  • MD5

    a0389bda2a640aaa54db012726bc071f

  • SHA1

    85945395f1fadd48033242f8bf5d0f18ff6e9efb

  • SHA256

    806f2bffc21538006dfeee2b251031b6b6000437f8f62e0f2c2baa22bbb17f2e

  • SHA512

    52aba8bff63507b19f9863c4ed8e4f44cd91e353b0f42543cea1b991fcfd34a81976ba512f1a25d113ea7b347e9a763f06fd26ee1f533d4551268c6654fbc444

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\806f2bffc21538006dfeee2b251031b6b6000437f8f62e0f2c2baa22bbb17f2e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4048
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\806f2bffc21538006dfeee2b251031b6b6000437f8f62e0f2c2baa22bbb17f2e.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1796

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1796-114-0x0000000000000000-mapping.dmp

  • memory/1796-115-0x00000000755E0000-0x000000007560E000-memory.dmp

    Filesize

    184KB

  • memory/1796-117-0x00000000025F0000-0x00000000025F6000-memory.dmp

    Filesize

    24KB