Analysis

  • max time kernel
    24s
  • max time network
    93s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 15:25

General

  • Target

    9fc2b1fb10956b2c47b3c6b8f6d2cafe150430a533ee9655163ce28df0bbd105.dll

  • Size

    170KB

  • MD5

    cae7e9a812aa79658363220cdc518eca

  • SHA1

    b341e9ab0470fba2568a3e0f20387f5cd633791f

  • SHA256

    9fc2b1fb10956b2c47b3c6b8f6d2cafe150430a533ee9655163ce28df0bbd105

  • SHA512

    b3282bc86222be90823413f19fa7ebcaf7f3ccffbab6ac72b530ef898e93fb804fc71c9fc2cf2fd67161e0a6594339ecca1858ba0b2c2d9630f09315d69be7c0

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\9fc2b1fb10956b2c47b3c6b8f6d2cafe150430a533ee9655163ce28df0bbd105.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:860
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\9fc2b1fb10956b2c47b3c6b8f6d2cafe150430a533ee9655163ce28df0bbd105.dll,#1
      2⤵
        PID:1464
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1464 -s 696
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2204

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1464-115-0x00000000738F0000-0x0000000073920000-memory.dmp

            Filesize

            192KB

          • memory/1464-117-0x00000000029F0000-0x00000000029F6000-memory.dmp

            Filesize

            24KB