Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/08/2024, 22:45

General

  • Target
    c7c8b53c2cebc224b8a2f28022276caf_JaffaCakes118.exe
  • Size 1.5MB
  • Sample240828-2prlnascnn
  • SHA256 a52ca27c47f0833ba64f55cbbf8dbd589afee6dd123a24fc42ccd1884bfa028b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • AdWind

    A Java-based RAT family operated as malware-as-a-service.

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Class file contains resources related to AdWind 1 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c7c8b53c2cebc224b8a2f28022276caf_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c7c8b53c2cebc224b8a2f28022276caf_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2000
    • C:\Users\Admin\AppData\Local\Temp\c7c8b53c2cebc224b8a2f28022276caf_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\c7c8b53c2cebc224b8a2f28022276caf_JaffaCakes118.exe"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:3532
      • C:\Program Files\Java\jre-1.8\bin\javaw.exe
        "C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\tsd.jar"
        3⤵
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3492
        • C:\Program Files\Java\jre-1.8\bin\java.exe
          "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar C:\Users\Admin\AppData\Local\Temp\_0.95727659904158093604526702650327317.class
          4⤵
          • Drops file in System32 directory
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3188
          • C:\Windows\SYSTEM32\cmd.exe
            cmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive2356116956822490327.vbs
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1088
            • C:\Windows\system32\cscript.exe
              cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive2356116956822490327.vbs
              6⤵
                PID:2568
            • C:\Windows\SYSTEM32\cmd.exe
              cmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive3845654277011272703.vbs
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:1796
              • C:\Windows\system32\cscript.exe
                cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive3845654277011272703.vbs
                6⤵
                  PID:1780
              • C:\Windows\SYSTEM32\xcopy.exe
                xcopy "C:\Program Files\Java\jre-1.8" "C:\Users\Admin\AppData\Roaming\Oracle\" /e
                5⤵
                  PID:2256
                • C:\Windows\SYSTEM32\cmd.exe
                  cmd.exe
                  5⤵
                    PID:2000
                • C:\Windows\SYSTEM32\cmd.exe
                  cmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive5228258015529732382.vbs
                  4⤵
                  • Suspicious use of WriteProcessMemory
                  PID:4056
                  • C:\Windows\system32\cscript.exe
                    cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive5228258015529732382.vbs
                    5⤵
                      PID:892
                  • C:\Windows\SYSTEM32\cmd.exe
                    cmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive2026394689538134414.vbs
                    4⤵
                    • Suspicious use of WriteProcessMemory
                    PID:5096
                    • C:\Windows\system32\cscript.exe
                      cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive2026394689538134414.vbs
                      5⤵
                        PID:2824
                    • C:\Windows\SYSTEM32\xcopy.exe
                      xcopy "C:\Program Files\Java\jre-1.8" "C:\Users\Admin\AppData\Roaming\Oracle\" /e
                      4⤵
                        PID:1836

                Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      3903daac9bc4a3b7.timestamp

                      • Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
                      • Size 46B
                      • SHA256 19823c91f85c335a509db0e8d60f7811ae8a0febe5390e401434f18966a6f0c2
                      • MD5 SHA1 SHA512

                      Retrive2356116956822490327.vbs

                      • Path C:\Users\Admin\AppData\Local\Temp\Retrive2356116956822490327.vbs
                      • Size 276B
                      • SHA256 9da575dd2d5b7c1e9bab8b51a16cde457b3371c6dcdb0537356cf1497fa868f6
                      • MD5 SHA1 SHA512

                      Retrive3845654277011272703.vbs

                      • Path C:\Users\Admin\AppData\Local\Temp\Retrive3845654277011272703.vbs
                      • Size 281B
                      • SHA256 45bfe34aa3ef932f75101246eb53d032f5e7cf6d1f5b4e495334955a255f32e7
                      • MD5 SHA1 SHA512

                      _0.95727659904158093604526702650327317.class

                      • Path C:\Users\Admin\AppData\Local\Temp\_0.95727659904158093604526702650327317.class
                      • Size 241KB
                      • SHA256 97d585b6aff62fb4e43e7e6a5f816dcd7a14be11a88b109a9ba9e8cd4c456eb9
                      • MD5 SHA1 SHA512 SSDEEP

                      83aa4cc77f591dfc2374580bbd95f6ba_1b74ca46-c49b-4c52-a57d-8cd1ff70c625

                      • Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-786284298-625481688-3210388970-1000\83aa4cc77f591dfc2374580bbd95f6ba_1b74ca46-c49b-4c52-a57d-8cd1ff70c625
                      • Size 45B
                      • SHA256 11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
                      • MD5 SHA1 SHA512

                      tsd.jar

                      • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\tsd.jar
                      • Size 473KB
                      • SHA256 9d817b32fd59dbbe3a17f0c73d4be0b3301df89be5389bb2e81532bda93e34f8
                      • MD5 SHA1 SHA512 SSDEEP

                      msvcp140.dll

                      • Path C:\Users\Admin\AppData\Roaming\Oracle\bin\plugin2\msvcp140.dll
                      • Size 558KB
                      • SHA256 a88b8c1c8f27bf90fe960e0e8bd56984ad48167071af92d96ec1051f89f827fb
                      • MD5 SHA1 SHA512 SSDEEP

                      vcruntime140.dll

                      • Path C:\Users\Admin\AppData\Roaming\Oracle\bin\plugin2\vcruntime140.dll
                      • Size 95KB
                      • SHA256 475ab98b7722e965bd38c8fa6ed23502309582ccf294ff1061cb290c7988f0d1
                      • MD5 SHA1 SHA512 SSDEEP

                      vcruntime140_1.dll

                      • Path C:\Users\Admin\AppData\Roaming\Oracle\bin\plugin2\vcruntime140_1.dll
                      • Size 36KB
                      • SHA256 0579d460ea1f7e8a815fa55a8821a5ff489c8097f051765e9beaf25d8d0f27d6
                      • MD5 SHA1 SHA512 SSDEEP

                      messages_zh_TW.properties

                      • Path C:\Users\Admin\AppData\Roaming\Oracle\lib\deploy\messages_zh_TW.properties
                      • Size 3KB
                      • SHA256 ff4a3a92bc92cb08d2c32c435810440fd264edd63e56efa39430e0240c835620
                      • MD5 SHA1 SHA512

                      win32_CopyNoDrop32x32.gif

                      • Path C:\Users\Admin\AppData\Roaming\Oracle\lib\images\cursors\win32_CopyNoDrop32x32.gif
                      • Size 153B
                      • SHA256 1a1d3079d49583837662b84e11d8c0870698511d9110e710eb8e7eb20df7ae3b
                      • MD5 SHA1 SHA512

                      memory/2000-4-0x0000000075160000-0x0000000075910000-memory.dmp

                      memory/2000-6-0x0000000004DF0000-0x0000000004DFA000-memory.dmp

                      memory/2000-0-0x000000007516E000-0x000000007516F000-memory.dmp

                      memory/2000-1-0x0000000000180000-0x00000000002FC000-memory.dmp

                      memory/2000-2-0x00000000051D0000-0x0000000005774000-memory.dmp

                      memory/2000-7-0x000000007516E000-0x000000007516F000-memory.dmp

                      memory/2000-8-0x0000000075160000-0x0000000075910000-memory.dmp

                      memory/2000-3-0x0000000004CC0000-0x0000000004D52000-memory.dmp

                      memory/2000-13-0x0000000075160000-0x0000000075910000-memory.dmp

                      memory/2000-9-0x0000000007DF0000-0x0000000007E8C000-memory.dmp

                      memory/2000-5-0x0000000004CB0000-0x0000000004CC0000-memory.dmp

                      memory/3188-403-0x000001CB57440000-0x000001CB57441000-memory.dmp

                      memory/3188-990-0x000001CB57440000-0x000001CB57441000-memory.dmp

                      memory/3188-977-0x000001CB57440000-0x000001CB57441000-memory.dmp

                      memory/3188-74-0x000001CB57440000-0x000001CB57441000-memory.dmp

                      memory/3188-84-0x000001CB57440000-0x000001CB57441000-memory.dmp

                      memory/3188-978-0x000001CB57440000-0x000001CB57441000-memory.dmp

                      memory/3188-1008-0x000001CB57440000-0x000001CB57441000-memory.dmp

                      memory/3188-999-0x000001CB57440000-0x000001CB57441000-memory.dmp

                      memory/3188-973-0x000001CB57440000-0x000001CB57441000-memory.dmp

                      memory/3188-998-0x000001CB57440000-0x000001CB57441000-memory.dmp

                      memory/3492-58-0x00000206E2CB0000-0x00000206E2CB1000-memory.dmp

                      memory/3492-980-0x00000206E4520000-0x00000206E4790000-memory.dmp

                      memory/3492-746-0x00000206E2CB0000-0x00000206E2CB1000-memory.dmp

                      memory/3492-26-0x00000206E4520000-0x00000206E4790000-memory.dmp

                      memory/3492-360-0x00000206E2CB0000-0x00000206E2CB1000-memory.dmp

                      memory/3532-29-0x0000000007860000-0x00000000078B0000-memory.dmp

                      memory/3532-10-0x0000000000400000-0x00000000004D6000-memory.dmp

                      memory/3532-11-0x0000000075160000-0x0000000075910000-memory.dmp

                      memory/3532-25-0x0000000007040000-0x000000000704A000-memory.dmp

                      memory/3532-17-0x0000000075160000-0x0000000075910000-memory.dmp

                      memory/3532-15-0x00000000059F0000-0x0000000005A08000-memory.dmp

                      memory/3532-16-0x0000000005CD0000-0x0000000005D36000-memory.dmp

                      memory/3532-14-0x0000000075160000-0x0000000075910000-memory.dmp