ebc02c757a7535d87410402b5285a51bab47e002375482f34e1af243cf97da93

General
Target

ebc02c757a7535d87410402b5285a51bab47e002375482f34e1af243cf97da93.dll

Filesize

158KB

Completed

21-04-2021 23:36

Score
10 /10
MD5

7d9301f2a29ed700878ba8d2346f2d63

SHA1

17f71735463079039de6decb6f7153a970b41771

SHA256

ebc02c757a7535d87410402b5285a51bab47e002375482f34e1af243cf97da93

Malware Config

Extracted

Family dridex
Botnet 40111
C2

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

rc4.plain
rc4.plain
Signatures 4

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
    behavioral1/memory/2724-115-0x0000000073860000-0x000000007388D000-memory.dmpdridex_ldr
  • 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 1824 wrote to memory of 27241824rundll32.exerundll32.exe
    PID 1824 wrote to memory of 27241824rundll32.exerundll32.exe
    PID 1824 wrote to memory of 27241824rundll32.exerundll32.exe
Processes 2
  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\ebc02c757a7535d87410402b5285a51bab47e002375482f34e1af243cf97da93.dll,#1
    Suspicious use of WriteProcessMemory
    PID:1824
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ebc02c757a7535d87410402b5285a51bab47e002375482f34e1af243cf97da93.dll,#1
      Checks whether UAC is enabled
      PID:2724
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/2724-114-0x0000000000000000-mapping.dmp

                        • memory/2724-115-0x0000000073860000-0x000000007388D000-memory.dmp

                        • memory/2724-117-0x00000000009A0000-0x00000000009A6000-memory.dmp