Analysis

  • max time kernel
    13s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    05-07-2024 22:24

General

  • Target

    272b27c346bc90197560e4d20005e64d_JaffaCakes118.exe

  • Size

    402KB

  • MD5

    272b27c346bc90197560e4d20005e64d

  • SHA1

    cf3477547e2db74b9f44f97290027a4c2b64418d

  • SHA256

    a54a2e38e9474952b6a3663963178cc62b16b94d8f1fab0f4b1435cd1684c021

  • SHA512

    9494016d3e5877b7763aa26aced3889c4f54541abd3a994204ada3b97e6e594b6b9cb84271b55b9a7ff5e99ce6e760280aab89957437566c20cc69061318fe31

  • SSDEEP

    12288:0Zxks+GyLWj6oBNxzkGzpkQaiJXVedK1ZDEwjahP:0/+cBNxzkYkPiJleM9ba

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

http://klkjwre77638dfqwieuoi888.info/

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

para23.no-ip.biz:1604

Mutex

DCMIN_MUTEX-QQSAEK6

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    TzBAaQZC6rwl

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    DarkComet RAT

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies firewall policy service 3 TTPs 6 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Disables RegEdit via registry modification 2 IoCs
  • Disables Task Manager via registry modification
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 25 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 14 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 53 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1068
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1192
          • C:\Users\Admin\AppData\Local\Temp\272b27c346bc90197560e4d20005e64d_JaffaCakes118.exe
            "C:\Users\Admin\AppData\Local\Temp\272b27c346bc90197560e4d20005e64d_JaffaCakes118.exe"
            2⤵
            • Modifies WinLogon for persistence
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Disables RegEdit via registry modification
            • Loads dropped DLL
            • Windows security modification
            • Adds Run key to start application
            • Checks whether UAC is enabled
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:3036
            • C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
              "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
              3⤵
              • Modifies firewall policy service
              • UAC bypass
              • Windows security bypass
              • Disables RegEdit via registry modification
              • Executes dropped EXE
              • Windows security modification
              • Checks whether UAC is enabled
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              • System policy modification
              PID:2384
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1596

          Network

          MITRE ATT&CK Matrix ATT&CK v13

          Persistence

          Boot or Logon Autostart Execution

          2
          T1547

          Registry Run Keys / Startup Folder

          1
          T1547.001

          Winlogon Helper DLL

          1
          T1547.004

          Create or Modify System Process

          1
          T1543

          Windows Service

          1
          T1543.003

          Privilege Escalation

          Boot or Logon Autostart Execution

          2
          T1547

          Registry Run Keys / Startup Folder

          1
          T1547.001

          Winlogon Helper DLL

          1
          T1547.004

          Create or Modify System Process

          1
          T1543

          Windows Service

          1
          T1543.003

          Abuse Elevation Control Mechanism

          1
          T1548

          Bypass User Account Control

          1
          T1548.002

          Defense Evasion

          Modify Registry

          7
          T1112

          Impair Defenses

          4
          T1562

          Disable or Modify Tools

          3
          T1562.001

          Disable or Modify System Firewall

          1
          T1562.004

          Abuse Elevation Control Mechanism

          1
          T1548

          Bypass User Account Control

          1
          T1548.002

          Discovery

          System Information Discovery

          2
          T1082

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
            Filesize

            402KB

            MD5

            272b27c346bc90197560e4d20005e64d

            SHA1

            cf3477547e2db74b9f44f97290027a4c2b64418d

            SHA256

            a54a2e38e9474952b6a3663963178cc62b16b94d8f1fab0f4b1435cd1684c021

            SHA512

            9494016d3e5877b7763aa26aced3889c4f54541abd3a994204ada3b97e6e594b6b9cb84271b55b9a7ff5e99ce6e760280aab89957437566c20cc69061318fe31

          • C:\Windows\SYSTEM.INI
            Filesize

            257B

            MD5

            eb16cc3010bdbabeee4d6517e72f6416

            SHA1

            598d6ef3966a163c64cd0f061c3115a5d3a673e3

            SHA256

            4ff89e3861f195b0afb777e488c5a57715f60ea34f6000195b07fb0b7fe7d876

            SHA512

            886f6c8227ad25aeaf891e87319dce09bdc12692b3e452c4db0c68d01c5987cf937baff7fd4d6730eeb4ca19ceaf744ea24ea28c15996d6e9afaae0ce67980b2

          • memory/1068-11-0x0000000000390000-0x0000000000392000-memory.dmp
            Filesize

            8KB

          • memory/2384-59-0x0000000002080000-0x000000000310E000-memory.dmp
            Filesize

            16.6MB

          • memory/2384-57-0x0000000002080000-0x000000000310E000-memory.dmp
            Filesize

            16.6MB

          • memory/2384-147-0x00000000040D0000-0x00000000040D2000-memory.dmp
            Filesize

            8KB

          • memory/2384-80-0x00000000040D0000-0x00000000040D2000-memory.dmp
            Filesize

            8KB

          • memory/2384-79-0x0000000005260000-0x0000000005261000-memory.dmp
            Filesize

            4KB

          • memory/2384-52-0x0000000002080000-0x000000000310E000-memory.dmp
            Filesize

            16.6MB

          • memory/2384-55-0x0000000002080000-0x000000000310E000-memory.dmp
            Filesize

            16.6MB

          • memory/2384-61-0x0000000002080000-0x000000000310E000-memory.dmp
            Filesize

            16.6MB

          • memory/2384-62-0x0000000002080000-0x000000000310E000-memory.dmp
            Filesize

            16.6MB

          • memory/2384-63-0x00000000002E0000-0x00000000002E1000-memory.dmp
            Filesize

            4KB

          • memory/2384-64-0x0000000002080000-0x000000000310E000-memory.dmp
            Filesize

            16.6MB

          • memory/2384-56-0x0000000002080000-0x000000000310E000-memory.dmp
            Filesize

            16.6MB

          • memory/2384-66-0x0000000002080000-0x000000000310E000-memory.dmp
            Filesize

            16.6MB

          • memory/2384-58-0x0000000002080000-0x000000000310E000-memory.dmp
            Filesize

            16.6MB

          • memory/2384-141-0x0000000002080000-0x000000000310E000-memory.dmp
            Filesize

            16.6MB

          • memory/2384-54-0x0000000002080000-0x000000000310E000-memory.dmp
            Filesize

            16.6MB

          • memory/2384-81-0x00000000040D0000-0x00000000040D2000-memory.dmp
            Filesize

            8KB

          • memory/2384-65-0x0000000002080000-0x000000000310E000-memory.dmp
            Filesize

            16.6MB

          • memory/3036-46-0x0000000001F40000-0x0000000001F42000-memory.dmp
            Filesize

            8KB

          • memory/3036-20-0x0000000001F40000-0x0000000001F42000-memory.dmp
            Filesize

            8KB

          • memory/3036-9-0x0000000002090000-0x000000000311E000-memory.dmp
            Filesize

            16.6MB

          • memory/3036-4-0x0000000002090000-0x000000000311E000-memory.dmp
            Filesize

            16.6MB

          • memory/3036-2-0x0000000002090000-0x000000000311E000-memory.dmp
            Filesize

            16.6MB

          • memory/3036-10-0x0000000002090000-0x000000000311E000-memory.dmp
            Filesize

            16.6MB

          • memory/3036-0-0x0000000002090000-0x000000000311E000-memory.dmp
            Filesize

            16.6MB

          • memory/3036-7-0x0000000002090000-0x000000000311E000-memory.dmp
            Filesize

            16.6MB

          • memory/3036-30-0x0000000001F40000-0x0000000001F42000-memory.dmp
            Filesize

            8KB

          • memory/3036-26-0x0000000002090000-0x000000000311E000-memory.dmp
            Filesize

            16.6MB

          • memory/3036-23-0x00000000039C0000-0x00000000039C1000-memory.dmp
            Filesize

            4KB

          • memory/3036-5-0x00000000003A0000-0x00000000003A1000-memory.dmp
            Filesize

            4KB

          • memory/3036-3-0x0000000002090000-0x000000000311E000-memory.dmp
            Filesize

            16.6MB

          • memory/3036-50-0x0000000002090000-0x000000000311E000-memory.dmp
            Filesize

            16.6MB

          • memory/3036-27-0x0000000002090000-0x000000000311E000-memory.dmp
            Filesize

            16.6MB

          • memory/3036-49-0x0000000000400000-0x0000000000527000-memory.dmp
            Filesize

            1.2MB

          • memory/3036-21-0x00000000039C0000-0x00000000039C1000-memory.dmp
            Filesize

            4KB

          • memory/3036-6-0x0000000002090000-0x000000000311E000-memory.dmp
            Filesize

            16.6MB

          • memory/3036-8-0x0000000002090000-0x000000000311E000-memory.dmp
            Filesize

            16.6MB