Analysis

  • max time kernel
    18s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    21-06-2021 11:08

General

  • Target

    30e201c45f6954e0054fbcf6f22b540838ded716988f0f90f7ff0e305cada1c5.dll

  • Size

    158KB

  • MD5

    3eb99f6a68df3565ea685bdd5737d5a3

  • SHA1

    654f2f65891a6435e92eb0ed1ab2f742d7a3e555

  • SHA256

    30e201c45f6954e0054fbcf6f22b540838ded716988f0f90f7ff0e305cada1c5

  • SHA512

    2d1dc968a9a0e66d58fb40198d2e2b43b694725ffa7a427fe8bae0a2faee851588bc21cb8f8b124a988459c6ced816acc7d721c5b54809150e7f4dc98e910628

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\30e201c45f6954e0054fbcf6f22b540838ded716988f0f90f7ff0e305cada1c5.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3908
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\30e201c45f6954e0054fbcf6f22b540838ded716988f0f90f7ff0e305cada1c5.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1880

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1880-114-0x0000000000000000-mapping.dmp
  • memory/1880-115-0x0000000073B70000-0x0000000073B9D000-memory.dmp
    Filesize

    180KB

  • memory/1880-117-0x0000000000750000-0x0000000000756000-memory.dmp
    Filesize

    24KB