05beaaca0b95a13fe62150388d666ee851c626b8e8862661d3803edbd2ba234a

General
Target

05beaaca0b95a13fe62150388d666ee851c626b8e8862661d3803edbd2ba234a.dll

Filesize

196KB

Completed

04-03-2021 20:15

Score
10 /10
MD5

91ce646ecb8d5468552f6e66c499e2f8

SHA1

a88d652aa995be78c66323b443af29bd496b031d

SHA256

05beaaca0b95a13fe62150388d666ee851c626b8e8862661d3803edbd2ba234a

Malware Config

Extracted

Family dridex
Botnet 111
C2

37.247.35.132:443

50.243.30.51:6601

162.241.204.234:6516

rc4.plain
rc4.plain
Signatures 6

Filter: none

Discovery
  • Dridex

    Description

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

  • Dridex Loader

    Description

    Detects Dridex both x86 and x64 loader in memory.

    Reported IOCs

    resourceyara_rule
    behavioral2/memory/1196-3-0x0000000073EF0000-0x0000000073F23000-memory.dmpdridex_ldr
    behavioral2/memory/1196-5-0x0000000073EF0000-0x0000000073F0F000-memory.dmpdridex_ldr
  • Blocklisted process makes network request
    rundll32.exe

    Reported IOCs

    flowpidprocess
    141196rundll32.exe
    161196rundll32.exe
  • Checks installed software on the system

    Description

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    Tags

    TTPs

    Query Registry
  • Checks whether UAC is enabled
    rundll32.exe

    TTPs

    System Information Discovery

    Reported IOCs

    descriptioniocprocess
    Key value queried\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUArundll32.exe
  • Suspicious use of WriteProcessMemory
    rundll32.exe

    Reported IOCs

    descriptionpidprocesstarget process
    PID 1100 wrote to memory of 11961100rundll32.exerundll32.exe
    PID 1100 wrote to memory of 11961100rundll32.exerundll32.exe
    PID 1100 wrote to memory of 11961100rundll32.exerundll32.exe
Processes 2
  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\05beaaca0b95a13fe62150388d666ee851c626b8e8862661d3803edbd2ba234a.dll,#1
    Suspicious use of WriteProcessMemory
    PID:1100
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\05beaaca0b95a13fe62150388d666ee851c626b8e8862661d3803edbd2ba234a.dll,#1
      Blocklisted process makes network request
      Checks whether UAC is enabled
      PID:1196
Network
MITRE ATT&CK Matrix
Collection
    Command and Control
      Credential Access
        Defense Evasion
          Execution
            Exfiltration
              Impact
                Initial Access
                  Lateral Movement
                    Persistence
                      Privilege Escalation
                        Replay Monitor
                        00:00 00:00
                        Downloads
                        • memory/1196-2-0x0000000000000000-mapping.dmp

                        • memory/1196-3-0x0000000073EF0000-0x0000000073F23000-memory.dmp

                        • memory/1196-4-0x0000000000890000-0x0000000000896000-memory.dmp

                        • memory/1196-5-0x0000000073EF0000-0x0000000073F0F000-memory.dmp