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Analysis

  • max time kernel
    129s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/06/2024, 15:28

General

  • Target

    0950f35841d1aa42bf7b7ba119fa499d_JaffaCakes118.exe

  • Size

    183KB

  • MD5

    0950f35841d1aa42bf7b7ba119fa499d

  • SHA1

    899c66dfda214b5a558e20e7031eb92e3648c440

  • SHA256

    e24b2f218f2df63a1b9d077ca72ef95666fd949adcce85981102382bba50cecb

  • SHA512

    49b2aa2866d715f341676b47682081fa78ad77368ff6a8d1ca19b5cfe950c329b797729e4a7a5655109b65036e9ccc3e365a5fc2d843fc32e9b592709116481d

  • SSDEEP

    3072:kamFnQYUM6m3SP2sVSdEnfWZN3cbgonk9sX1qalYuhLJNdjQVVTuP5J85Vi9iqVB:kazq3aipalYuhoao5sQkzSi

Score
8/10
upx

Malware Config

Signatures

  • Manipulates Digital Signatures 1 TTPs 1 IoCs

    Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 13 IoCs
  • Drops file in Windows directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 1 IoCs
  • Modifies registry class 4 IoCs
  • Runs regedit.exe 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0950f35841d1aa42bf7b7ba119fa499d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0950f35841d1aa42bf7b7ba119fa499d_JaffaCakes118.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1360
    • C:\Windows\iaccess32.exe
      C:\Windows\iaccess32.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2976
      • C:\Windows\SysWOW64\regedit.exe
        "C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
        3⤵
        • Manipulates Digital Signatures
        • Runs regedit.exe
        PID:984
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
        3⤵
        • Loads dropped DLL
        • Modifies registry class
        PID:4448
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
    1⤵
      PID:1404

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Instant Access\DesktopIcons\NOCREDITCARD.lnk

      Filesize

      2KB

      MD5

      d7e01a96de91b04719cb6d5aec1b3dde

      SHA1

      d81b1444bd45c9fffe9e98b6ff58f508868246f3

      SHA256

      89531fc351e3e13d3f82d812173a0174e0eada515eb5f72be2590a3b7941901b

      SHA512

      3f01ddf8cf49cece4a643ed93e1c2286919d93bb30383453cb1406c98920b7cb71a4a1cb668ddb6bff2cef62b14349482a3ec89e031ed8844d640422d5910881

    • C:\Program Files (x86)\Instant Access\Multi\20110121230141\dialerexe.ini

      Filesize

      669B

      MD5

      d0ce3bfc4135993ae9582d1739e81bb7

      SHA1

      5707b3047d9cc3adb5ebb0c7780defa45f55d60e

      SHA256

      0ec5130732a23646a243936f60fe4ac68f78450ea5a1865eb3e8b3bc0495e19d

      SHA512

      e1c3df68d3f4f037ca47ce03542e5757f81149ddf67b7f14e4387a85993bfdcd1877a762a56281c932411564c4fee113f76ed68109d5e1c5791580296175e5e4

    • C:\Windows\SysWOW64\egaccess4_1071.dll

      Filesize

      76KB

      MD5

      b83f652ffa76451ae438954f89c02f62

      SHA1

      b3ba0014dd16cee5f6d4cfe7e28b2d5de79dc6dd

      SHA256

      f601991aa00cbe7001197affc0e3854ab76c51c05b9a6ca3e3f708fed876c32f

      SHA512

      965172a5ecd070ea6707ec9985ee3c135c06534561b90ae233e8049b247d87d529b8280f0faf2b0ed933f59c68844414726fa80c4d3119cffa4fdd1cb60eab83

    • C:\Windows\iaccess32.exe

      Filesize

      183KB

      MD5

      a32b2422812ac4937f8528de6a4d98f1

      SHA1

      3a71322a315787c02594505299ee4194ed21ee29

      SHA256

      aaf9cb6d463e0622c469557ecf68d5db19b7556f595eed44294de6b1a58095c1

      SHA512

      da0026a22b86868484f3ddca85c0a76086ab70cade215939ec106ddc1d280feb37fe661c01d0f347441a5a7c5abcdda583972636affa575a15202bb95cd30671

    • C:\Windows\tmlpcert2007

      Filesize

      6KB

      MD5

      b103757bc3c714123b5efa26ff96a915

      SHA1

      991d6694c71736b59b9486339be44ae5e2b66fef

      SHA256

      eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

      SHA512

      d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

    • memory/1360-0-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/1360-6-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/2976-5-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/2976-59-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/4448-28-0x0000000010000000-0x0000000010047000-memory.dmp

      Filesize

      284KB

    • memory/4448-60-0x0000000010000000-0x0000000010047000-memory.dmp

      Filesize

      284KB