Analysis

  • max time kernel
    126s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/06/2024, 02:34

General

  • Target
    145e5dbb3b2b6e5ad199f133e4be046b_JaffaCakes118.exe
  • Size 116KB
  • Sample240627-c2hrva1dmm
  • SHA256 6391c2332adda2d9e3bcc13608895d77dbf0c128b66173025d49b256c61a1947
  • 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 38 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\145e5dbb3b2b6e5ad199f133e4be046b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\145e5dbb3b2b6e5ad199f133e4be046b_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3688
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:4824
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4824 -s 204
          3⤵
          • Program crash
          PID:1528
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:5044
        • 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:3828
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3828 CREDAT:17410 /prefetch:2
            4⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:3476
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3828 CREDAT:17416 /prefetch:2
            4⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:5076
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
          PID:860
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 860 -s 216
            3⤵
            • Program crash
            PID:2228
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4400
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            3⤵
            • Modifies Internet Explorer settings
            PID:784
        • C:\Users\Admin\AppData\Local\Temp\oqiqhbmrthsdqohr.exe
          "C:\Users\Admin\AppData\Local\Temp\oqiqhbmrthsdqohr.exe"
          2⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:212
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4824 -ip 4824
        1⤵
          PID:3172
        • 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 --field-trial-handle=3804,i,1809100026287847100,9768898026582633513,262144 --variations-seed-version --mojo-platform-channel-handle=4024 /prefetch:8
          1⤵
            PID:3524
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 860 -ip 860
            1⤵
              PID:3372

            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 28766e681bf500e9cddbcd3275cd898c4165354ad087c2461d9ee374a7e2221e
                  • MD5 SHA1 SHA512

                  7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

                  • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
                  • Size 404B
                  • SHA256 2c2afd8e84beaa6852ec797b96e12accc8e296f437151646b99120ec90f4883a
                  • MD5 SHA1 SHA512

                  ver7EDF.tmp

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver7EDF.tmp
                  • Size 15KB
                  • SHA256 557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1
                  • MD5 SHA1 SHA512 SSDEEP

                  suggestions[1].en-US

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\44ZGVQ6R\suggestions[1].en-US
                  • Size 17KB
                  • SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
                  • MD5 SHA1 SHA512 SSDEEP

                  oqiqhbmrthsdqohr.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\oqiqhbmrthsdqohr.exe
                  • Size 116KB
                  • SHA256 6391c2332adda2d9e3bcc13608895d77dbf0c128b66173025d49b256c61a1947
                  • MD5 SHA1 SHA512 SSDEEP

                  memory/212-46-0x0000000000400000-0x0000000000439EF0-memory.dmp

                  memory/212-47-0x0000000000400000-0x000000000043A000-memory.dmp

                  memory/212-41-0x0000000000400000-0x000000000043A000-memory.dmp

                  memory/212-43-0x0000000000400000-0x0000000000439EF0-memory.dmp

                  memory/3688-3-0x00000000006D0000-0x00000000006D1000-memory.dmp

                  memory/3688-17-0x0000000000400000-0x0000000000439EF0-memory.dmp

                  memory/3688-18-0x00000000779A2000-0x00000000779A3000-memory.dmp

                  memory/3688-14-0x0000000000400000-0x0000000000439EF0-memory.dmp

                  memory/3688-15-0x00000000779A2000-0x00000000779A3000-memory.dmp

                  memory/3688-10-0x0000000000400000-0x000000000043A000-memory.dmp

                  memory/3688-2-0x0000000000670000-0x0000000000671000-memory.dmp

                  memory/3688-39-0x0000000000400000-0x000000000043A000-memory.dmp

                  memory/3688-0-0x0000000000400000-0x0000000000439EF0-memory.dmp

                  memory/3688-5-0x0000000000400000-0x000000000043A000-memory.dmp

                  memory/3688-6-0x0000000000400000-0x0000000000439EF0-memory.dmp

                  memory/4824-7-0x0000000000D10000-0x0000000000D11000-memory.dmp

                  memory/4824-8-0x0000000000D30000-0x0000000000D31000-memory.dmp