Overview

overview

10

Static

static

5

a58726ba1b...18.exe

windows7-x64

10

a58726ba1b...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    13-06-2024 12:26

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General

  • Target

    a58726ba1bec2e53069e6c1e269fadd0_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    a58726ba1bec2e53069e6c1e269fadd0

  • SHA1

    418525b501aa828a778d6246b5c0e657b32c0835

  • SHA256

    2833bf65b89a5348eeb6e42cc06905485ee17b8bc70f3368adafaf92c5cb1838

  • SHA512

    f9410fde9471e1cc92b84fbdcdfc8800622eb98bdc4c4d6e976ee3c40f7995d7a47b5af798dd7eae19bfa01ac82e939fe3e3900a457d098edf7842fc93fe5de1

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6C:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5j

Score
10/10
evasionpersistencespywarestealertrojan

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    evasion
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • Windows security bypass 2 TTPs 5 IoCs
    evasiontrojan
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
    persistence
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Windows security modification 2 TTPs 6 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies WinLogon 2 TTPs 2 IoCs
    persistence
  • AutoIT Executable 6 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 47 IoCs
  • Suspicious use of SendNotifyMessage 34 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\a58726ba1bec2e53069e6c1e269fadd0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a58726ba1bec2e53069e6c1e269fadd0_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Windows\SysWOW64\uytalypsxl.exe
      uytalypsxl.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Loads dropped DLL
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2128
      • C:\Windows\SysWOW64\qxbpwacz.exe
        C:\Windows\system32\qxbpwacz.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        PID:2812
    • C:\Windows\SysWOW64\vraifpiniswfsct.exe
      vraifpiniswfsct.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2556
    • C:\Windows\SysWOW64\qxbpwacz.exe
      qxbpwacz.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2672
    • C:\Windows\SysWOW64\zsfeakzkodaun.exe
      zsfeakzkodaun.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2604
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Windows\mydoc.rtf"
      2⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:1016
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2624

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLV.DOC.exe
    Filesize

    512KB

    MD5

    d72f15fc38840ca22b33f6d84ba4d068

    SHA1

    2f11c4edbebf227d14718ede60c81ab703f7e7ce

    SHA256

    564e2b9d422ae94b490073898e44db9012b342a81627fb94c215aa6b70059413

    SHA512

    d97e7bf2c9d7d62a2913027abdeafe1c394be4bfc2ccf8c6f6f160d629d997f53355b2dd95520d0ea00807240d3dbc7e91a117234e0dd3229586def292941909

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  • C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
    Filesize

    68B

    MD5

    8385443fe8407e61fc617d53f7594978

    SHA1

    e1c16781f526a49a9e054efdff47b980f56a8f27

    SHA256

    5bb2843d2a3b7f4dddcdf0b5d1f005b115c745fb130ebfe1a16d4eb09d208b70

    SHA512

    148c9b3dff8548bc09753b5ecf51acdd7ed39749fbbaac8a6c3e8956e6f67155edd07c104fa317c638544b171a00bb297034ca92562f9adb996beeefb2ae84db

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  • C:\Windows\SysWOW64\vraifpiniswfsct.exe
    Filesize

    512KB

    MD5

    2e87b8ff81ba720c78a54316cc3af5f4

    SHA1

    e9abe2c20bd9484aa2e3a675c8ef9582c0e24767

    SHA256

    f48b92f12fe9b4766529ac18eae2dce2371e98c460392efa4ba39b1f9807cec1

    SHA512

    2b39e0785251509d1d9472b08fe399cee475ce0a357f320e60e1763a51d2430bb8abb9f668262685895fcab940be96dfff4f57063d304bcdcc90a6115267716c

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  • C:\Windows\mydoc.rtf
    Filesize

    223B

    MD5

    06604e5941c126e2e7be02c5cd9f62ec

    SHA1

    4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

    SHA256

    85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

    SHA512

    803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

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  • \Windows\SysWOW64\qxbpwacz.exe
    Filesize

    512KB

    MD5

    ad3ef7e02685b19262b20a136793edf4

    SHA1

    0d73a423f767413f9f3ca9032c1e36a0cda2dc14

    SHA256

    57a7ad0f199f327e64fd92737b06bda7c7e46af7aeb27cfa9b376ad9b2c57da5

    SHA512

    b0426539a95aec3eadffcf902d15838c2db39031c9a9e4ea1dacbb0d87a3cc1862bb79880f397247c7f7e699f60da37da6e00a5994dbc36e9cc6490f58c01e99

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  • \Windows\SysWOW64\uytalypsxl.exe
    Filesize

    512KB

    MD5

    d6c5cfc857053496f16de029b9c28052

    SHA1

    a18f54e2358e43498e0369da8d3d8f3b1d875ecf

    SHA256

    319e24ad74401d6ef6847bc86e25db04f27f502bf230aa63bbd80a492239e45c

    SHA512

    75b2b3be827585784f91a6264ca04113691de23abd40c2eecd31a31b8a333c19d736f1a19de66699595f5a0df5ca0b8f274af957784dfaa9371258a586962a3a

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  • \Windows\SysWOW64\zsfeakzkodaun.exe
    Filesize

    512KB

    MD5

    7dadba3e06a21a46bee92b12993b2469

    SHA1

    0e6c9b37bf8cc15b01ecd1eb30cb4ae31568e176

    SHA256

    e469eb32d8420f53fbd68e3667e202aa84c57831cfba1f17a3ad0aeb200c0884

    SHA512

    0d83030db55b11652334f7c420328456bb8790f80d89d2f72a988d7684bc4aab38675aa82c9aa3a7247299a2e45dce7517e39d350f6eb690c3769a5fe1b96e0f

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  • memory/1016-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1652-0-0x0000000000400000-0x0000000000496000-memory.dmp

    Filesize

    600KB

    Download

  • memory/2624-83-0x00000000029A0000-0x00000000029B0000-memory.dmp

    Filesize

    64KB

    Download