Resubmissions

12-01-2025 09:07

250112-k3k8csykbk 10

12-01-2025 08:53

250112-ktswvavqct 10

Analysis

  • max time kernel
    630s
  • max time network
    462s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-01-2025 09:07

General

  • Target

    JaffaCakes118_0a95aeed41ba2829ff00fe084c8b411a.exe

  • Size

    111KB

  • MD5

    0a95aeed41ba2829ff00fe084c8b411a

  • SHA1

    21f13313fa983dcd05e70f4edd9af22bd0ed8c8c

  • SHA256

    72f2eae606cdb0f643e734c0f78ff1b42623a41acfd494f9efc3f130472472a8

  • SHA512

    e1de76ad168c5a2b338d517120f09189366cf5114691b41ffc571e314d65cf19142438259b85dd73f9eafeefdbeb3a13010ca1ad93c0d0dc6a2206b3736868f1

  • SSDEEP

    3072:fikf9bf3nviCdCRqOix4J2vNbGfvGnd3gW5ZM4/uL:XdqCoR0NdndPZMT

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • 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 12 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0a95aeed41ba2829ff00fe084c8b411a.exe
    C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0a95aeed41ba2829ff00fe084c8b411a.exe cmd /c %SIGILL% "SIGTERM|SIGKILL|SIGABRT"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1460
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:4612
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4612 -s 204
          3⤵
          • Program crash
          PID:3936
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1712
        • 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:1500
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1500 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4668
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1500 CREDAT:17416 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:768
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
          PID:1544
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1544 -s 208
            3⤵
            • Program crash
            PID:2412
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3260
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            3⤵
            • Modifies Internet Explorer settings
            PID:2496
        • C:\Users\Admin\AppData\Local\Temp\henemdgqjnlplmlk.exe
          "C:\Users\Admin\AppData\Local\Temp\henemdgqjnlplmlk.exe"
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:4060
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4612 -ip 4612
        1⤵
          PID:1912
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1544 -ip 1544
          1⤵
            PID:1748

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

            Filesize

            471B

            MD5

            05a55aacc33432fec9fea490f5c69442

            SHA1

            bd2dd697d6e49290ff51f6f8e2db9bde87e72860

            SHA256

            65d742646568766a452eafac7bd80d140b7acfcedb5cd55923fbcc0f3cd2fa43

            SHA512

            91aa6dc1cb9632f1b9fec82da928a3e49d5531298e264228eba79ae38d530377a78af5f0beef9763d7d624acbdbe93bfffff4caf5b8dc29fa4d9b8d01514e5a5

          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

            Filesize

            404B

            MD5

            1259a0f7eb8645e4e5c8c12a1e2cea39

            SHA1

            2cba3a7b04d0e21320a51193e520e8bf8ca3d91f

            SHA256

            91f7aa3572bcfa1055ae03ef7c6e9a6812068510c45cd899e43c2ec812c0fa24

            SHA512

            8022f320189d3d4fa94123498a086d01a0a34b8aeddec94d269ed4e1e439af362578ea15aef4cf9bd6ee54545083de2ad99f8af657992d20f7be733ca468f398

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VKYZDMA5\suggestions[1].en-US

            Filesize

            17KB

            MD5

            5a34cb996293fde2cb7a4ac89587393a

            SHA1

            3c96c993500690d1a77873cd62bc639b3a10653f

            SHA256

            c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

            SHA512

            e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

          • C:\Users\Admin\AppData\Local\Temp\henemdgqjnlplmlk.exe

            Filesize

            111KB

            MD5

            0a95aeed41ba2829ff00fe084c8b411a

            SHA1

            21f13313fa983dcd05e70f4edd9af22bd0ed8c8c

            SHA256

            72f2eae606cdb0f643e734c0f78ff1b42623a41acfd494f9efc3f130472472a8

            SHA512

            e1de76ad168c5a2b338d517120f09189366cf5114691b41ffc571e314d65cf19142438259b85dd73f9eafeefdbeb3a13010ca1ad93c0d0dc6a2206b3736868f1

          • memory/1460-6-0x0000000000400000-0x0000000000437CC4-memory.dmp

            Filesize

            223KB

          • memory/1460-18-0x0000000000400000-0x0000000000437CC4-memory.dmp

            Filesize

            223KB

          • memory/1460-1-0x000000000042A000-0x0000000000438000-memory.dmp

            Filesize

            56KB

          • memory/1460-2-0x0000000000400000-0x0000000000437CC4-memory.dmp

            Filesize

            223KB

          • memory/1460-10-0x000000000042A000-0x0000000000438000-memory.dmp

            Filesize

            56KB

          • memory/1460-11-0x0000000000400000-0x0000000000437CC4-memory.dmp

            Filesize

            223KB

          • memory/1460-15-0x0000000076F42000-0x0000000076F43000-memory.dmp

            Filesize

            4KB

          • memory/1460-13-0x0000000000400000-0x0000000000437CC4-memory.dmp

            Filesize

            223KB

          • memory/1460-17-0x0000000000400000-0x0000000000437CC4-memory.dmp

            Filesize

            223KB

          • memory/1460-0-0x0000000000400000-0x0000000000437CC4-memory.dmp

            Filesize

            223KB

          • memory/1460-19-0x0000000076F42000-0x0000000076F43000-memory.dmp

            Filesize

            4KB

          • memory/1460-5-0x00000000005E0000-0x00000000005E1000-memory.dmp

            Filesize

            4KB

          • memory/1460-3-0x0000000000400000-0x0000000000437CC4-memory.dmp

            Filesize

            223KB

          • memory/4060-38-0x0000000000400000-0x0000000000438000-memory.dmp

            Filesize

            224KB

          • memory/4060-40-0x0000000000400000-0x0000000000437CC4-memory.dmp

            Filesize

            223KB

          • memory/4060-42-0x0000000000400000-0x0000000000437CC4-memory.dmp

            Filesize

            223KB

          • memory/4060-43-0x0000000000400000-0x0000000000438000-memory.dmp

            Filesize

            224KB

          • memory/4612-9-0x0000000000860000-0x0000000000861000-memory.dmp

            Filesize

            4KB

          • memory/4612-8-0x0000000000880000-0x0000000000881000-memory.dmp

            Filesize

            4KB