Analysis

  • max time kernel
    18s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    25-06-2021 21:57

General

  • Target

    e8df9531625f63f3da7b3aa34c7dae2c382e0e43b6c55e10c3a80a7a83a6c26a.dll

  • Size

    158KB

  • MD5

    a63352c155e1398f47a9e9813edd981d

  • SHA1

    cd9d869c36671059dfb19209e1e62686558f182a

  • SHA256

    e8df9531625f63f3da7b3aa34c7dae2c382e0e43b6c55e10c3a80a7a83a6c26a

  • SHA512

    c9c582e82dc322c56075ce79ecad0fe7e244413cd40841b60718068b1944db19809f64d61618dc7f2f73c13bf1ff1c3cade4f7745aa045ba938825c805adeea9

Malware Config

Extracted

Family

dridex

Botnet

40111

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\e8df9531625f63f3da7b3aa34c7dae2c382e0e43b6c55e10c3a80a7a83a6c26a.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:508
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e8df9531625f63f3da7b3aa34c7dae2c382e0e43b6c55e10c3a80a7a83a6c26a.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:680

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/680-114-0x0000000000000000-mapping.dmp

  • memory/680-115-0x00000000739B0000-0x00000000739DD000-memory.dmp

    Filesize

    180KB

  • memory/680-117-0x0000000000750000-0x0000000000756000-memory.dmp

    Filesize

    24KB