Analysis

  • max time kernel
    92s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/10/2024, 07:51

General

  • Target

    16cf1b5fdb75b32737e162897992e252_JaffaCakes118.exe

  • Size

    105KB

  • MD5

    16cf1b5fdb75b32737e162897992e252

  • SHA1

    0770aab281b2b6c9ef1c422db33e9fcffc5a8189

  • SHA256

    3224d36db7a560fe8bedc982346e41c78c9704e00bf9085f0a3ef0b491710715

  • SHA512

    aec0a85790ffcaf93be518e0ae1982f3ce5b1d6b042dc2866d56a9b649ca8f43be7377d4a8fbb413e282935b9b926aa9ce70ea71a1319c5a4a1598eeb264ad17

  • SSDEEP

    3072:zAK0CBezOU+8isBve4bF3u5jwaaHw7Koj4rIed:83z+svb1uze

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
  • 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\16cf1b5fdb75b32737e162897992e252_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\16cf1b5fdb75b32737e162897992e252_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:1144
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1144 -s 204
          3⤵
          • Program crash
          PID:860
      • 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:4840
        • 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:3544
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3544 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2408
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3544 CREDAT:17416 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1704
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
          PID:3260
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3260 -s 204
            3⤵
            • Program crash
            PID:1656
        • 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:3940
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            3⤵
            • Modifies Internet Explorer settings
            PID:4628
        • C:\Users\Admin\AppData\Local\Temp\smbosisrbhdfrsqw.exe
          "C:\Users\Admin\AppData\Local\Temp\smbosisrbhdfrsqw.exe"
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:5012
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1144 -ip 1144
        1⤵
          PID:1844
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3260 -ip 3260
          1⤵
            PID:696

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

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

                  Filesize

                  471B

                  MD5

                  db7c83e09ebc4317f2bf2df7f66b8513

                  SHA1

                  29d58ef43f72ce7cf79ce6109d038a6c9b4873f0

                  SHA256

                  1ae4c8aa37bf433bc5b3b45e017c95bf843c7dbbe348c78c7ab6f3cad0fda4b8

                  SHA512

                  6eb46ae0c3e091ba13b1c0e3fb6de568882940df7968d0e1297568ea5356a4691f2a869c7c9ac9e9642bcc2e4e1388d00b15c663276143e8cb5015ab89c27867

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

                  Filesize

                  404B

                  MD5

                  90b9cad631915f24849acd63937e79e8

                  SHA1

                  de1e107005e94f40409f2c3ec31b5c7c94011883

                  SHA256

                  8db28400adee8ea5ac24ff8f6dda1f0019ac04c7484e9f3a7648188ac18a27cd

                  SHA512

                  c8c60b0a3766a9fd822ab8bdfdc71ffd0c3f3cb8ab3506755417d2f3398e02d38f85442584cf431d245201fcb8ca345d127d519ec39647af0c287bc04380d363

                • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FGWUB7UN\suggestions[1].en-US

                  Filesize

                  17KB

                  MD5

                  5a34cb996293fde2cb7a4ac89587393a

                  SHA1

                  3c96c993500690d1a77873cd62bc639b3a10653f

                  SHA256

                  c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

                  SHA512

                  e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

                  Filesize

                  105KB

                  MD5

                  16cf1b5fdb75b32737e162897992e252

                  SHA1

                  0770aab281b2b6c9ef1c422db33e9fcffc5a8189

                  SHA256

                  3224d36db7a560fe8bedc982346e41c78c9704e00bf9085f0a3ef0b491710715

                  SHA512

                  aec0a85790ffcaf93be518e0ae1982f3ce5b1d6b042dc2866d56a9b649ca8f43be7377d4a8fbb413e282935b9b926aa9ce70ea71a1319c5a4a1598eeb264ad17

                • memory/1144-9-0x0000000000600000-0x0000000000601000-memory.dmp

                  Filesize

                  4KB

                • memory/1144-8-0x0000000000620000-0x0000000000621000-memory.dmp

                  Filesize

                  4KB

                • memory/1932-7-0x0000000020010000-0x000000002001C000-memory.dmp

                  Filesize

                  48KB

                • memory/1932-20-0x0000000077362000-0x0000000077363000-memory.dmp

                  Filesize

                  4KB

                • memory/1932-5-0x0000000000900000-0x0000000000901000-memory.dmp

                  Filesize

                  4KB

                • memory/1932-10-0x0000000000400000-0x000000000043A000-memory.dmp

                  Filesize

                  232KB

                • memory/1932-11-0x0000000000400000-0x0000000000439FE4-memory.dmp

                  Filesize

                  231KB

                • memory/1932-17-0x0000000077362000-0x0000000077363000-memory.dmp

                  Filesize

                  4KB

                • memory/1932-13-0x0000000000400000-0x0000000000439FE4-memory.dmp

                  Filesize

                  231KB

                • memory/1932-18-0x0000000000400000-0x0000000000439FE4-memory.dmp

                  Filesize

                  231KB

                • memory/1932-19-0x0000000000400000-0x0000000000439FE4-memory.dmp

                  Filesize

                  231KB

                • memory/1932-0-0x0000000000400000-0x0000000000439FE4-memory.dmp

                  Filesize

                  231KB

                • memory/1932-6-0x0000000000400000-0x0000000000439FE4-memory.dmp

                  Filesize

                  231KB

                • memory/1932-4-0x00000000008F0000-0x00000000008F1000-memory.dmp

                  Filesize

                  4KB

                • memory/1932-2-0x0000000000400000-0x0000000000439FE4-memory.dmp

                  Filesize

                  231KB

                • memory/1932-38-0x0000000000400000-0x000000000043A000-memory.dmp

                  Filesize

                  232KB

                • memory/1932-1-0x0000000000400000-0x000000000043A000-memory.dmp

                  Filesize

                  232KB

                • memory/5012-41-0x0000000000400000-0x000000000043A000-memory.dmp

                  Filesize

                  232KB

                • memory/5012-45-0x0000000000400000-0x0000000000439FE4-memory.dmp

                  Filesize

                  231KB

                • memory/5012-44-0x0000000000400000-0x000000000043A000-memory.dmp

                  Filesize

                  232KB

                • memory/5012-42-0x0000000000400000-0x0000000000439FE4-memory.dmp

                  Filesize

                  231KB