Analysis

  • max time kernel
    46s
  • max time network
    56s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    21-04-2021 18:44

General

  • Target

    8afa07a0d717f7ec01e02357a294b7d7919880b8f5f7af360e6c480cdeba748a.dll

  • Size

    154KB

  • MD5

    a93c16da953cb94e9cc569c4b4422345

  • SHA1

    6a785b23923576c93420458160d01bfe5e6a745f

  • SHA256

    8afa07a0d717f7ec01e02357a294b7d7919880b8f5f7af360e6c480cdeba748a

  • SHA512

    f16328d70718ec330ff991033bbf4a41b3508d45d0b0f23ae5037aaa53e8d904f50cf8a18290debb2b2cba87748bea71a263cce1dc921fbf3a8e76436f514f2e

Malware Config

Extracted

Family

dridex

Botnet

40111

C2

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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\8afa07a0d717f7ec01e02357a294b7d7919880b8f5f7af360e6c480cdeba748a.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:668
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\8afa07a0d717f7ec01e02357a294b7d7919880b8f5f7af360e6c480cdeba748a.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1400

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1400-114-0x0000000000000000-mapping.dmp
  • memory/1400-115-0x0000000073FB0000-0x0000000073FDD000-memory.dmp
    Filesize

    180KB

  • memory/1400-117-0x00000000040E0000-0x00000000040E6000-memory.dmp
    Filesize

    24KB