Analysis

  • max time kernel
    91s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-01-2025 02:59

General

  • Target

    JaffaCakes118_31f08e959ff212c200960e619b8cb494.exe

  • Size

    100KB

  • MD5

    31f08e959ff212c200960e619b8cb494

  • SHA1

    178dbd1a46d12386530fea2b4d04790b104b6316

  • SHA256

    d464a3a24d069cd5c7d36d192131cd362edf309f3b577db3b6970d446f08a444

  • SHA512

    1076b73307fe74c1551d0f83d222d4dc32bed3871e524a7193f3c625f5613fe2a5649f20988635e880ccf0ade76af87d87f3d69f569e6e2010cd051e47968b8b

  • SSDEEP

    3072:lNDuhNig6LUD3DeCN6xvmBz/gxgGak8jwaaHw7Koj4rD8p2RPB:lNuF6LdwKALgxJGK

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 32 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_31f08e959ff212c200960e619b8cb494.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31f08e959ff212c200960e619b8cb494.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1396
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:4536
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4536 -s 88
          3⤵
          • Program crash
          PID:3212
      • 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:64
        • 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:3412
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3412 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2052
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3412 CREDAT:17416 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1264
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
          PID:3984
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3984 -s 204
            3⤵
            • Program crash
            PID:3904
        • 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:4912
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            3⤵
            • Modifies Internet Explorer settings
            PID:3676
        • C:\Users\Admin\AppData\Local\Temp\dqhunpusgsymhibo.exe
          "C:\Users\Admin\AppData\Local\Temp\dqhunpusgsymhibo.exe"
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:1224
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4536 -ip 4536
        1⤵
          PID:1960
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3984 -ip 3984
          1⤵
            PID:2336

          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

            e65df85bed59dcdd6d3b7e9ff6d83f91

            SHA1

            7a960f472f0bdbd9c2801571001d7f8002a698d0

            SHA256

            8e1c012d62099e1effdd30982d30f2d91bd25dca27f230b13d74531ede846201

            SHA512

            e0a111bc33760f3957ca88c4cdc2aa7b8418ce73062eed31939b07b94fc0ecef022135ca93381c47b71a7c43c0c1357025f0e5d72a3348b2ef3de0c81cef38c4

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

            Filesize

            404B

            MD5

            fee2068fbd71b3d94484b098324f925b

            SHA1

            ed2cfd2a92ccc3ea0399b966405bcd32eb67dae0

            SHA256

            20019aabaf8a9cc50cdbb45a47f4293bf21bd46e3d8b153a7e40f93370ab3399

            SHA512

            084d630a8f7411a97558c500e265b836bb5ec98987f09e0ef2b069bb6dd3ccdfb57bed8150a3336d6efa2db3a91d00fdaec03d072e2445b74feea8cef027c4f3

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0BHOTC3C\suggestions[1].en-US

            Filesize

            17KB

            MD5

            5a34cb996293fde2cb7a4ac89587393a

            SHA1

            3c96c993500690d1a77873cd62bc639b3a10653f

            SHA256

            c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

            SHA512

            e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

            Filesize

            100KB

            MD5

            31f08e959ff212c200960e619b8cb494

            SHA1

            178dbd1a46d12386530fea2b4d04790b104b6316

            SHA256

            d464a3a24d069cd5c7d36d192131cd362edf309f3b577db3b6970d446f08a444

            SHA512

            1076b73307fe74c1551d0f83d222d4dc32bed3871e524a7193f3c625f5613fe2a5649f20988635e880ccf0ade76af87d87f3d69f569e6e2010cd051e47968b8b

          • memory/1224-43-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/1224-38-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/1224-39-0x0000000000400000-0x0000000000439EB4-memory.dmp

            Filesize

            231KB

          • memory/1224-42-0x0000000000400000-0x0000000000439EB4-memory.dmp

            Filesize

            231KB

          • memory/1396-37-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/1396-10-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/1396-15-0x0000000000400000-0x0000000000439EB4-memory.dmp

            Filesize

            231KB

          • memory/1396-17-0x00000000773B2000-0x00000000773B3000-memory.dmp

            Filesize

            4KB

          • memory/1396-18-0x0000000000400000-0x0000000000439EB4-memory.dmp

            Filesize

            231KB

          • memory/1396-19-0x0000000000400000-0x0000000000439EB4-memory.dmp

            Filesize

            231KB

          • memory/1396-20-0x00000000773B2000-0x00000000773B3000-memory.dmp

            Filesize

            4KB

          • memory/1396-11-0x0000000000400000-0x0000000000439EB4-memory.dmp

            Filesize

            231KB

          • memory/1396-1-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/1396-2-0x0000000000400000-0x0000000000439EB4-memory.dmp

            Filesize

            231KB

          • memory/1396-0-0x0000000000400000-0x0000000000439EB4-memory.dmp

            Filesize

            231KB

          • memory/1396-4-0x0000000000500000-0x0000000000501000-memory.dmp

            Filesize

            4KB

          • memory/1396-6-0x0000000000400000-0x0000000000439EB4-memory.dmp

            Filesize

            231KB

          • memory/1396-5-0x0000000000A70000-0x0000000000A71000-memory.dmp

            Filesize

            4KB

          • memory/4536-8-0x0000000000330000-0x0000000000331000-memory.dmp

            Filesize

            4KB

          • memory/4536-9-0x0000000000310000-0x0000000000311000-memory.dmp

            Filesize

            4KB