Analysis

  • max time kernel
    26s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 11:32

General

  • Target

    3e05ac9148a1805367881ef1514bfc58f9cd39a2fa7ab7c782bff22c4bdbbaac.dll

  • Size

    170KB

  • MD5

    e79727cd542651e4e65750942df9af6e

  • SHA1

    cf4c9c156b50bc08eb1f11ced34e2530c502c0bc

  • SHA256

    3e05ac9148a1805367881ef1514bfc58f9cd39a2fa7ab7c782bff22c4bdbbaac

  • SHA512

    503752df676c8fc3b95a2318dedf5ad48a34c8170140ad5bf78a22517346b138a9cf8e2d2406d5b8e2805614635fd0db1e917b669a2d09c9867baf4538d7f39b

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

128.199.200.38:443

192.163.233.216:6601

43.229.206.244:4125

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.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e05ac9148a1805367881ef1514bfc58f9cd39a2fa7ab7c782bff22c4bdbbaac.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:708
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e05ac9148a1805367881ef1514bfc58f9cd39a2fa7ab7c782bff22c4bdbbaac.dll,#1
      2⤵
        PID:1628
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 708
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2312

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1628-115-0x0000000073C70000-0x0000000073CA0000-memory.dmp

            Filesize

            192KB

          • memory/1628-117-0x0000000002BE0000-0x0000000002BE6000-memory.dmp

            Filesize

            24KB