j4r7zap

General
Target

j4r7zap.dll

Filesize

539KB

Completed

19-11-2020 13:37

Score
10 /10
MD5

19473a4823afb3ca1c966ffed1ee6003

SHA1

db853d8f738ee15172141315e96644bf6f265d6b

SHA256

7359fb03e09c8416c7a967f72df483a1b60066434c9e49e0deb4b18cb11e9192

Malware Config

Extracted

Family dridex
Botnet 10555
C2

162.241.44.26:9443

192.232.229.53:4443

77.220.64.34:443

193.90.12.121:3098

rc4.plain
rc4.plain
Signatures 3

Filter: none

  • 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/4680-1-0x0000000000680000-0x00000000006BD000-memory.dmpdridex_ldr
  • Suspicious use of WriteProcessMemory
    rundll32.exe

    Reported IOCs

    descriptionpidprocesstarget process
    PID 4632 wrote to memory of 46804632rundll32.exerundll32.exe
    PID 4632 wrote to memory of 46804632rundll32.exerundll32.exe
    PID 4632 wrote to memory of 46804632rundll32.exerundll32.exe
Processes 2
  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\j4r7zap.dll,#1
    Suspicious use of WriteProcessMemory
    PID:4632
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\j4r7zap.dll,#1
      PID:4680
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/4680-0-0x0000000000000000-mapping.dmp

                          • memory/4680-1-0x0000000000680000-0x00000000006BD000-memory.dmp