Analysis

  • max time kernel
    18s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    29-06-2021 06:36

General

  • Target

    1002bfb935e608b83aa8e251f68b19d1e631ddbb1af7f709960afd08d909d2ba.dll

  • Size

    158KB

  • MD5

    e9a1c47bb3bb3b003726cffbe1521742

  • SHA1

    921d916a76ba9940eba725069bab7d127f0e2585

  • SHA256

    1002bfb935e608b83aa8e251f68b19d1e631ddbb1af7f709960afd08d909d2ba

  • SHA512

    494047e22e355ac67f961a605489c72203992c18c5a5a8de7fefcc3dee07e30c449a4f86f56ecf356b99f14df1f8bc4ab107dce22179d242e0515fecb3054531

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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\1002bfb935e608b83aa8e251f68b19d1e631ddbb1af7f709960afd08d909d2ba.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3908
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\1002bfb935e608b83aa8e251f68b19d1e631ddbb1af7f709960afd08d909d2ba.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3616

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3616-114-0x0000000000000000-mapping.dmp

  • memory/3616-115-0x00000000739D0000-0x00000000739FD000-memory.dmp

    Filesize

    180KB

  • memory/3616-117-0x00000000002D0000-0x00000000002D6000-memory.dmp

    Filesize

    24KB