Analysis

  • max time kernel
    77s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-09-2022 06:42

General

  • Target

    975dc7061e68f49f1076380ab533d07414a4c4de75ce8ba12c769881c5f619c5.dll

  • Size

    244KB

  • MD5

    4500ca23b2d000eabda4796a08625d70

  • SHA1

    50f9189d0213b6949e113d948b0f293933f85ba4

  • SHA256

    975dc7061e68f49f1076380ab533d07414a4c4de75ce8ba12c769881c5f619c5

  • SHA512

    975f178dcce898a13c8eac97c99280ad9e2b2964df04017120b55cc5b705b6a6417109f8a137006912001bde90b53d17630106c40751ae713df7fc08ef50f738

  • SSDEEP

    3072:BmMHLYjs2g+ciAlYDyOWIsh0pMf+66C4FxTdCU1byGkGcyXDTEzlDkr/:BrHL+tg+cGyZzheB6b4fJCwb8d0E

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

195.154.146.84:443

45.56.121.87:8116

157.245.222.44:5723

rc4.plain
rc4.plain

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Dridex Loader ⋅ 2 IoCs

    Detects Dridex both x86 and x64 loader in memory.

  • Program crash ⋅ 1 IoCs
  • Suspicious use of WriteProcessMemory ⋅ 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\975dc7061e68f49f1076380ab533d07414a4c4de75ce8ba12c769881c5f619c5.dll,#1
    Suspicious use of WriteProcessMemory
    PID:4652
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\975dc7061e68f49f1076380ab533d07414a4c4de75ce8ba12c769881c5f619c5.dll,#1
      PID:3256
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3256 -s 620
        Program crash
        PID:4592
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3256 -ip 3256
    PID:3728

Network

MITRE ATT&CK Matrix

Collection

    Command and Control

      Credential Access

        Defense Evasion

          Discovery

            Execution

              Exfiltration

                Impact

                  Initial Access

                    Lateral Movement

                      Persistence

                        Privilege Escalation

                          Replay Monitor

                          00:00 00:00

                          Downloads

                          • memory/3256-132-0x0000000000000000-mapping.dmp
                          • memory/3256-133-0x0000000075740000-0x000000007577E000-memory.dmp
                          • memory/3256-137-0x00000000002E0000-0x00000000002E6000-memory.dmp
                          • memory/3256-138-0x0000000075740000-0x000000007576F000-memory.dmp
                          • memory/3256-139-0x0000000075740000-0x000000007577E000-memory.dmp
                          • memory/3256-140-0x00000000007A0000-0x00000000007A6000-memory.dmp