Analysis

  • max time kernel
    3s
  • max time network
    3s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-12-2024 22:50

General

  • Target

    e8a6928cc95b1eebf6161c49c9e2e176_JaffaCakes118.exe

  • Size

    502KB

  • MD5

    e8a6928cc95b1eebf6161c49c9e2e176

  • SHA1

    800adb67aee6bf97f90acbb9b87650a2f71c7750

  • SHA256

    11ad426afa608c63ca0dee8066da34b50a6e144b308310f85466e175124b2ba1

  • SHA512

    2d774dcc29223ebe566d8cac5d5c153699baced7825c3e9dbf5f1716ec0cc832d9935bad79b70de45c5ecf79e49327556b40c4983952edb2cee89e631885d51e

  • SSDEEP

    12288:cY6K+nHlocnuZdKDADRz/I+qktYfbO5PecAEVy:cY67FTAZ/I+1SIPC1

Malware Config

Signatures

  • Cycbot

    Cycbot is a backdoor and trojan written in C++..

  • Cycbot family
  • Detects Cycbot payload 1 IoCs

    Cycbot is a backdoor and trojan written in C++.

  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 37 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 8 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 60 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e8a6928cc95b1eebf6161c49c9e2e176_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e8a6928cc95b1eebf6161c49c9e2e176_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2384
    • C:\Users\Admin\AppData\Local\Temp\nsdB3B7.tmp\exrev.exe
      "C:\Users\Admin\AppData\Local\Temp\nsdB3B7.tmp\exrev.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2396
    • C:\Users\Admin\AppData\Local\Temp\nsdB3B7.tmp\3IC.exe
      "C:\Users\Admin\AppData\Local\Temp\nsdB3B7.tmp\3IC.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Writes to the Master Boot Record (MBR)
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2684
    • C:\Users\Admin\AppData\Local\Temp\nsdB3B7.tmp\2e4U - Bucks 8-31-2011.exe
      "C:\Users\Admin\AppData\Local\Temp\nsdB3B7.tmp\2e4U - Bucks 8-31-2011.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:320
      • C:\Users\Admin\AppData\Local\Temp\nsdB3B7.tmp\2e4U - Bucks 8-31-2011.exe
        "C:\Users\Admin\AppData\Local\Temp\nsdB3B7.tmp\2e4U - Bucks 8-31-2011.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2716
    • C:\Users\Admin\AppData\Local\Temp\nsdB3B7.tmp\5tbp.exe
      "C:\Users\Admin\AppData\Local\Temp\nsdB3B7.tmp\5tbp.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3052
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\onedicpi.dll",Startup
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2632
    • C:\Users\Admin\AppData\Local\Temp\nsdB3B7.tmp\R2R.exe
      "C:\Users\Admin\AppData\Local\Temp\nsdB3B7.tmp\R2R.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2860
      • C:\Users\Admin\AppData\Local\Temp\nsdB3B7.tmp\R2R.exe
        C:\Users\Admin\AppData\Local\Temp\nsdB3B7.tmp\R2R.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2796

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsdB3B7.tmp\2e4U - Bucks 8-31-2011.exe

    Filesize

    95KB

    MD5

    40a8954e5d5796aef2e6e00d96c12ee0

    SHA1

    f703035eec111ffb31ea347f3010c35652bec612

    SHA256

    f21fdfba45f7f88a0f76a2f58ccf951788b175e6947744d62046fe17152ba160

    SHA512

    888a6db559dc74ca01f82c93508779592943393607047935bb95fdca86cba27cabc5dafeeec57a391404a4d0dd64b88f09a0dccfe38eaefe5d0f84612eff2445

  • C:\Users\Admin\AppData\Local\Temp\nsdB3B7.tmp\R2R.exe

    Filesize

    176KB

    MD5

    cae92bd538de928b79576026db643d59

    SHA1

    37e498541f3ca8870665b17e2879312fd1dacbb7

    SHA256

    87ccad3fcb043c49f5f819d6795bfa45be355fa9071164c90d8b3ffcd9dcbc2b

    SHA512

    24a1dde86c10591acd77dbd7898fe59116a5bfcbe659026408acf0c6ebacd88409f9ca3bb25d66174936939465c2b39404ac461e8b18472f93e747aaedb3dfde

  • C:\Users\Admin\AppData\Roaming\66B2.E0E

    Filesize

    600B

    MD5

    85db47e93d5ffeb1442b3523afc780b1

    SHA1

    bacddf224813ba9d0f5367faf5770ace1134ae48

    SHA256

    76425dd2ba80fdd5eabe77985ee0a8edfc0a9f8762244bb7ed8d04f2651b6563

    SHA512

    6cdb8f484cc85c78eeec53492f284a5d099a20b51d6e38a5a1704d1b52da03cdca2d211152a3c2aa13673431f317c9939238830239d76f80cdffd0badfde82bc

  • \Users\Admin\AppData\Local\Temp\nsdB3B7.tmp\3IC.exe

    Filesize

    176KB

    MD5

    b8dae6d25e02fae027af50bf12ebdbc5

    SHA1

    ccadf1f03e0cc42d5e1b56a42acac4930e67a66e

    SHA256

    9c264948107f6c071863d474ba708d4c8c01bff5700c299297c907ef23603e9a

    SHA512

    6ccb5c6aaa01bfcad41a737cef58011f2c81254cb227378cef256f094dfe5a2ccd03f9b1c2f3de5a2843ccf5b48fa85262fe37a3401c00d1cd449767e3996319

  • \Users\Admin\AppData\Local\Temp\nsdB3B7.tmp\5tbp.exe

    Filesize

    112KB

    MD5

    194d4c2d02b5d6b9f7abb1ae2046961d

    SHA1

    0b29aa45e172a464e58a41adeac89aaf51ae5ddb

    SHA256

    891c8009a5262b66cc16eda84ddaec277439a3f5b19a3a5b7929d7d99c56ea6e

    SHA512

    fb8fb96924e3f1f33db058d527ddb96629a2cc16a242b5612a80cd0e2e091721548d697be8990385824cc68165235b8ed9e50da10c08a498f1109d53980a0e7b

  • \Users\Admin\AppData\Local\Temp\nsdB3B7.tmp\exrev.exe

    Filesize

    3KB

    MD5

    46e07fd3a40760fda18cf6b4fc691742

    SHA1

    53ee1a754bf5e94fa88a6ab8bb6120b4011afcfa

    SHA256

    bd7ca609d2fb63e14d08acab1091579c23e298b4fa2ac1e8d2daaff94fc107be

    SHA512

    ce13f6527cbd13002dca00b71ab38ab12e3f3f7138ada0780ad3f40e7c49946c018a00782ec957b1fd123fb439aabc0d9b3660829dabf10ddcebba08d6e2fbbd

  • \Users\Admin\AppData\Local\onedicpi.dll

    Filesize

    112KB

    MD5

    c0923a876b414697fb571deb89fc60b6

    SHA1

    288c250cbc941a7833493f88848bb8ec98ce9fc0

    SHA256

    b2c4e3291cca2bbb3dd9dc80c6ac398474e569d06c198158e37d793950791ecf

    SHA512

    02384d6573a2a18e4281901143021b41ce8cd6b9dd5c592b4539eefc883f66b5596915ea80cf15b1cde97d3795e605c38bb3f092cc69e0e6f7a336ec2a675031

  • memory/2384-27-0x0000000002DB0000-0x0000000002E07000-memory.dmp

    Filesize

    348KB

  • memory/2384-25-0x0000000002DB0000-0x0000000002E07000-memory.dmp

    Filesize

    348KB

  • memory/2632-81-0x0000000010000000-0x000000001001C000-memory.dmp

    Filesize

    112KB

  • memory/2684-39-0x00000000002F0000-0x0000000000347000-memory.dmp

    Filesize

    348KB

  • memory/2684-28-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/2716-87-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/2716-97-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/2716-96-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/2716-92-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/2716-90-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/2716-89-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2716-85-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/2716-83-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/2716-111-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/2796-122-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2796-121-0x00000000005E0000-0x00000000006E0000-memory.dmp

    Filesize

    1024KB

  • memory/3052-75-0x0000000010000000-0x000000001001C000-memory.dmp

    Filesize

    112KB

  • memory/3052-68-0x0000000010000000-0x000000001001C000-memory.dmp

    Filesize

    112KB