06033e611364797823d943175593e1d0e1f06d5e7821fa2604b53ed62b075309

General
Target

06033e611364797823d943175593e1d0e1f06d5e7821fa2604b53ed62b075309.dll

Filesize

161KB

Completed

04-05-2021 15:02

Score
10 /10
MD5

e6625c3e1f5780bc2e5b104e5457abf0

SHA1

1b4a6d47e1b242f11af5eb24584cae9611ac89fc

SHA256

06033e611364797823d943175593e1d0e1f06d5e7821fa2604b53ed62b075309

Malware Config

Extracted

Family dridex
Botnet 40111
C2

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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/1268-115-0x0000000073FB0000-0x0000000073FDE000-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 648 wrote to memory of 1268648rundll32.exerundll32.exe
    PID 648 wrote to memory of 1268648rundll32.exerundll32.exe
    PID 648 wrote to memory of 1268648rundll32.exerundll32.exe
Processes 2
  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\06033e611364797823d943175593e1d0e1f06d5e7821fa2604b53ed62b075309.dll,#1
    Suspicious use of WriteProcessMemory
    PID:648
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\06033e611364797823d943175593e1d0e1f06d5e7821fa2604b53ed62b075309.dll,#1
      Checks whether UAC is enabled
      PID:1268
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/1268-114-0x0000000000000000-mapping.dmp

                        • memory/1268-115-0x0000000073FB0000-0x0000000073FDE000-memory.dmp

                        • memory/1268-117-0x00000000003D0000-0x00000000003D6000-memory.dmp