Analysis

  • max time kernel
    150s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    27-07-2021 07:29

General

  • Target

    828d60f696d4ee8c80b6a17a3b2462a744d87297b8016488ef67dc20ca86a5be.dll

  • Size

    173KB

  • MD5

    71571c1702739aa58db4c5ac426c9817

  • SHA1

    24b25a50153f98d95c81e6a49648b778891caf35

  • SHA256

    828d60f696d4ee8c80b6a17a3b2462a744d87297b8016488ef67dc20ca86a5be

  • SHA512

    ded731b963949fcb69c19333acad21e87540561e1c06ba2499a68355d64c87f0bcba5b4dc10ca1f212e8578b677480c2f1443984b2bee8fd31e505055d624b47

Malware Config

Extracted

Family

dridex

Botnet

22202

C2

45.79.33.48:443

139.162.202.74:5007

68.183.216.174:7443

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\828d60f696d4ee8c80b6a17a3b2462a744d87297b8016488ef67dc20ca86a5be.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1832
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\828d60f696d4ee8c80b6a17a3b2462a744d87297b8016488ef67dc20ca86a5be.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:2208

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2208-114-0x0000000000000000-mapping.dmp
  • memory/2208-115-0x0000000074400000-0x0000000074430000-memory.dmp
    Filesize

    192KB

  • memory/2208-117-0x0000000000600000-0x000000000074A000-memory.dmp
    Filesize

    1.3MB