Analysis

  • max time kernel
    142s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/06/2024, 14:11

General

  • Target
    0e5ed4838e129c78f69e7037f34505ea_JaffaCakes118.exe
  • Size 105KB
  • Sample240625-rhf68svaqe
  • SHA256 0bf5e5e8e5121f7ab20d5395dacd8a737da18824fc1290869762611f0404ea39
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 36 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0e5ed4838e129c78f69e7037f34505ea_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0e5ed4838e129c78f69e7037f34505ea_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:228
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:1280
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1280 -s 196
          3⤵
          • Program crash
          PID:3020
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2932
        • C:\Program Files\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3260
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3260 CREDAT:17410 /prefetch:2
            4⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4132
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3260 CREDAT:82948 /prefetch:2
            4⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:3100
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
          PID:4080
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4080 -s 204
            3⤵
            • Program crash
            PID:2488
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4664
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            3⤵
            • Modifies Internet Explorer settings
            PID:4920
        • C:\Users\Admin\AppData\Local\Temp\rrreksveuciktmyy.exe
          "C:\Users\Admin\AppData\Local\Temp\rrreksveuciktmyy.exe"
          2⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:3956
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1280 -ip 1280
        1⤵
          PID:3272
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4080 -ip 4080
          1⤵
            PID:4548
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1420 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8
            1⤵
              PID:2964

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

                  • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
                  • Size 471B
                  • SHA256 4d16bb8c9a34d4de9d39bb5f0e87095617b5ad551112db17b38b6cb752fbdae4
                  • MD5 SHA1 SHA512

                  7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

                  • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
                  • Size 404B
                  • SHA256 659dca1c66186a8d832fcb0e2969287fa1bd6ac6cc5fd49d2ba3a3ddbfc1cc2a
                  • MD5 SHA1 SHA512

                  suggestions[1].en-US

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\O8VM10HV\suggestions[1].en-US
                  • Size 17KB
                  • SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
                  • MD5 SHA1 SHA512 SSDEEP

                  rrreksveuciktmyy.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\rrreksveuciktmyy.exe
                  • Size 105KB
                  • SHA256 0bf5e5e8e5121f7ab20d5395dacd8a737da18824fc1290869762611f0404ea39
                  • MD5 SHA1 SHA512 SSDEEP

                  memory/228-6-0x0000000000400000-0x000000000043A20C-memory.dmp

                  memory/228-27-0x0000000000400000-0x000000000043A20C-memory.dmp

                  memory/228-1-0x0000000000400000-0x000000000043B000-memory.dmp

                  memory/228-43-0x0000000000400000-0x000000000043B000-memory.dmp

                  memory/228-10-0x0000000000400000-0x000000000043A20C-memory.dmp

                  memory/228-12-0x0000000000400000-0x000000000043B000-memory.dmp

                  memory/228-16-0x0000000077A42000-0x0000000077A43000-memory.dmp

                  memory/228-17-0x0000000000400000-0x000000000043A20C-memory.dmp

                  memory/228-19-0x0000000077A42000-0x0000000077A43000-memory.dmp

                  memory/228-0-0x0000000000400000-0x000000000043A20C-memory.dmp

                  memory/228-4-0x00000000006F0000-0x00000000006F1000-memory.dmp

                  memory/228-5-0x0000000000700000-0x0000000000701000-memory.dmp

                  memory/228-2-0x0000000000400000-0x000000000043A20C-memory.dmp

                  memory/1280-8-0x0000000000D30000-0x0000000000D31000-memory.dmp

                  memory/1280-9-0x0000000000D10000-0x0000000000D11000-memory.dmp

                  memory/3956-38-0x0000000000400000-0x000000000043A20C-memory.dmp

                  memory/3956-40-0x0000000000400000-0x000000000043A20C-memory.dmp

                  memory/3956-41-0x0000000000400000-0x000000000043B000-memory.dmp