Analysis

  • max time kernel
    92s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-10-2024 17:39

General

  • Target

    41321fec380fbae3cfe299575f1e706f_JaffaCakes118.exe

  • Size

    269KB

  • MD5

    41321fec380fbae3cfe299575f1e706f

  • SHA1

    85ecf06362236aa83de0018a53b5293e4aa24e42

  • SHA256

    0d3c474dfe9e8e5b9a112772ef090a0266ed3fdc93f295bd8edae2134ac0bbfd

  • SHA512

    8e80ae3ae71224d27a6eb1b98fde8957f8e53530099fc276816f6006282b745c7ab5d9da35e611059412df77baa688b6435acf54de889dfc4e06326eb7a0a813

  • SSDEEP

    6144:nsaocyLCLS9J7JzRSfhdaNCkppSgraW88gPBCN3ivSkbk/SHBsnht/NdJqE:ntoboU7JEf+TpNrtmPBCN3Xr1/h

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\41321fec380fbae3cfe299575f1e706f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\41321fec380fbae3cfe299575f1e706f_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4928
    • C:\Users\Admin\AppData\Local\Temp\nst8FFD.tmp\installer5.exe
      C:\Users\Admin\AppData\Local\Temp\nst8FFD.tmp\installer5.exe 4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe /t /dT132042019S /e6464533 /u4fe0cf9f-1fe4-4abb-905a-57915bc06f2f
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:400
      • C:\Users\Admin\AppData\Local\Temp\nst8FFD.tmp\4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe
        "C:\Users\Admin\AppData\Local\Temp\nst8FFD.tmp\4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe" /t /dT132042019S /e6464533 /u4fe0cf9f-1fe4-4abb-905a-57915bc06f2f
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3984

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nst8FFD.tmp\4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe

    Filesize

    248KB

    MD5

    22371a8f60488d167c752cf965f25237

    SHA1

    2119a78137f0188003fc312a02b12d2b842a2ef5

    SHA256

    e522bbb4e53e1fe3d4d4e3a8dc925d96afe02b1e50b604ef8e2a6abf194120ac

    SHA512

    3dcda9a228eea334726f3b621cbda96440f4434bb0e7fe36bd40a082aa6ab2d284fb8c61e7e10770aeb4c4968ac3711cb257d2b559643ed883886b64f49946d8

  • C:\Users\Admin\AppData\Local\Temp\nst8FFD.tmp\installer5.exe

    Filesize

    215KB

    MD5

    029162f299af12e48fc5ffde104766e2

    SHA1

    467b9336af5aec76cbb548ece146cd2d7b4e1264

    SHA256

    28e778a7e5f91d27cf37e7ed8624adb8e9f33d7d12d64ed6420b5345052591b0

    SHA512

    fa522ef2364e5a31c119993d8057a3337bffdb7ce259b810efeb59e105885c8ca75086e1d568121600a919ad160e3be2667486ab56de7e7393df8d895293863c

  • C:\Users\Admin\AppData\Local\Temp\nst8FFD.tmp\nsExec.dll

    Filesize

    8KB

    MD5

    249ae678f0dac4c625c6de6aca53823a

    SHA1

    6ac2b9e90e8445fed4c45c5dbf2d0227cd3b5201

    SHA256

    7298024a36310b7c4c112be87b61b62a0b1be493e2d5252a19e5e976daf674ce

    SHA512

    66e4081a40f3191bf28b810cf8411cb3c8c3e3ec5943e18d6672414fb5e7b4364f862cba44c9115c599ac90890ef02a773e254e7c979e930946bc52b0693aad7

  • memory/400-47-0x0000000073FC2000-0x0000000073FC3000-memory.dmp

    Filesize

    4KB

  • memory/400-9-0x0000000073FC2000-0x0000000073FC3000-memory.dmp

    Filesize

    4KB

  • memory/400-10-0x0000000073FC0000-0x0000000074571000-memory.dmp

    Filesize

    5.7MB

  • memory/400-11-0x0000000073FC0000-0x0000000074571000-memory.dmp

    Filesize

    5.7MB

  • memory/400-52-0x0000000073FC0000-0x0000000074571000-memory.dmp

    Filesize

    5.7MB

  • memory/400-48-0x0000000073FC0000-0x0000000074571000-memory.dmp

    Filesize

    5.7MB

  • memory/3984-43-0x0000000073FC0000-0x0000000074571000-memory.dmp

    Filesize

    5.7MB

  • memory/3984-46-0x0000000073FC0000-0x0000000074571000-memory.dmp

    Filesize

    5.7MB

  • memory/3984-45-0x0000000073FC0000-0x0000000074571000-memory.dmp

    Filesize

    5.7MB

  • memory/3984-50-0x0000000073FC0000-0x0000000074571000-memory.dmp

    Filesize

    5.7MB

  • memory/3984-44-0x0000000073FC0000-0x0000000074571000-memory.dmp

    Filesize

    5.7MB

  • memory/4928-56-0x0000000000400000-0x0000000000439000-memory.dmp

    Filesize

    228KB