Analysis

  • max time kernel
    19s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    29-06-2021 09:14

General

  • Target

    46c3fecba36bac61805aedc738e4a3bd44adc1e604e78fa74495c2a96cb25f6c.dll

  • Size

    162KB

  • MD5

    3aa6089da5d12cde33f2d4eb19622a58

  • SHA1

    c4baa3e5f8c00b2dc896e8874ed8f898d14d1bb3

  • SHA256

    46c3fecba36bac61805aedc738e4a3bd44adc1e604e78fa74495c2a96cb25f6c

  • SHA512

    c322abc30799da75847848ad020ee0d939a01eb102a668fe0f08b0a21778cf0d9f576d6ebfbe10cf65bce987129dc26d144aea783d78f7799362c1a7e317bd1d

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\46c3fecba36bac61805aedc738e4a3bd44adc1e604e78fa74495c2a96cb25f6c.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2896
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\46c3fecba36bac61805aedc738e4a3bd44adc1e604e78fa74495c2a96cb25f6c.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:508

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/508-114-0x0000000000000000-mapping.dmp

  • memory/508-115-0x0000000073DE0000-0x0000000073E0E000-memory.dmp

    Filesize

    184KB

  • memory/508-117-0x0000000003160000-0x0000000003166000-memory.dmp

    Filesize

    24KB