Analysis

  • max time kernel
    17s
  • max time network
    125s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 15:40

General

  • Target

    8ecf4237492b631db14e86a9299499d1a2c62fbfb5c999af00f051f8308d4ca5.dll

  • Size

    170KB

  • MD5

    961a166cdc2a8b9c2cdb1937c846c96f

  • SHA1

    85d37533667a9e15ff1c8073c1d8022ef436f0a7

  • SHA256

    8ecf4237492b631db14e86a9299499d1a2c62fbfb5c999af00f051f8308d4ca5

  • SHA512

    99c43da6277c1578554ff3919976586085323294047ca18b2d764385099d3605d3ebe0bc428a20bbfd4275b2ac8c588823a9e81c4f71d4d5a2d64c5382d7c4d4

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\8ecf4237492b631db14e86a9299499d1a2c62fbfb5c999af00f051f8308d4ca5.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3724
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\8ecf4237492b631db14e86a9299499d1a2c62fbfb5c999af00f051f8308d4ca5.dll,#1
      2⤵
        PID:3196
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3196 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1800

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3196-115-0x0000000074380000-0x00000000743B0000-memory.dmp

            Filesize

            192KB

          • memory/3196-117-0x0000000003200000-0x000000000334A000-memory.dmp

            Filesize

            1.3MB