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Overview

overview

10

Static

static

5

95bc306768...18.exe

windows7-x64

10

95bc306768...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    04/06/2024, 17:51

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General

  • Target

    95bc30676854e61d8c1ba2251543e1f4_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    95bc30676854e61d8c1ba2251543e1f4

  • SHA1

    7742b1c7e3887a2162dd5ca768063fb14743f0d8

  • SHA256

    5a9d919f86bf8ca4fea85c674b77539cafd6c2b3e77cbdb34507345cc0ce6baf

  • SHA512

    57d30a73d4caa955f86e5c612cda5931ffd954354fd3390efd64691eaef792d132514d928b5ab9ecbdaee23467244204029d14dc1306a42e949ea950bf1b99cb

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj68:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5f

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 5 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 37 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\95bc30676854e61d8c1ba2251543e1f4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\95bc30676854e61d8c1ba2251543e1f4_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1620
    • C:\Windows\SysWOW64\mvuvzazifd.exe
      mvuvzazifd.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:2228
      • C:\Windows\SysWOW64\lyuvanmf.exe
        C:\Windows\system32\lyuvanmf.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2544
    • C:\Windows\SysWOW64\acbqaavdqflzhdm.exe
      acbqaavdqflzhdm.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2600
    • C:\Windows\SysWOW64\lyuvanmf.exe
      lyuvanmf.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:2508
    • C:\Windows\SysWOW64\ucjdalyuqsond.exe
      ucjdalyuqsond.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1652
    • 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:2392
  • 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:1504

Network

MITRE ATT&CK Enterprise v15

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Downloads

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

    68B

    MD5

    d89d4964dfc4106996a95e4c36e026f0

    SHA1

    25a1ce184f8668c42dac387a6e84d650e5961e44

    SHA256

    5d27c65e8923885dc00c9023490438ae0b416ef940d0c4c503e217bf86e521a9

    SHA512

    d4ff77d769992284131d6afac42a09794d2f9fc1138bdd8b2bc9c266054fd350b85535eab6c2dcff538978a4fde7dbece039fdb0911477c1543082c8e00e8a06

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

    512KB

    MD5

    e706a44b5a5c8e0acc077d94bc859b2b

    SHA1

    058f179ddc6015afd009adef426ed77227c3b515

    SHA256

    79f11b80e66b36c13682994572f98bbb664f3257426d8b902c2c5e2b57b187d2

    SHA512

    e45f9baaadbc42e36c313d2c3e4e43970e5e2579d7f234226a693760fab20e389349fd9a3f6c172d400af9e41644bc675781e3f91cafeb19adf434d2554c4895

    Download Submit

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

    512KB

    MD5

    81e70a60725a5f0958faa4412f7f90b6

    SHA1

    becff5293153d6281a3e018222abe9b2fe8efb42

    SHA256

    5f8d26d8714d93f5afb06f2296d539b4bfd184e0ed4264aae277bc2453b43431

    SHA512

    1df13da1d55f21eb101afe3f9f3b5e5eeed89ea3f3586ec72bae9ac20007d61e88aaf2bdfe63e8ba13aaab9a18497fe4c0cd19b64b77f02a3d1e49d553fccc0c

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  • C:\Windows\mydoc.rtf
    Filesize

    223B

    MD5

    06604e5941c126e2e7be02c5cd9f62ec

    SHA1

    4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

    SHA256

    85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

    SHA512

    803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

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  • \Windows\SysWOW64\lyuvanmf.exe
    Filesize

    512KB

    MD5

    9524caadb7b7d25061ea5cba3f64561c

    SHA1

    3ca35224310a19c2d1778c9339e2a817a028425d

    SHA256

    09b7c7da2d2f13e5fe8e13bbf4d0022892086be6d9b4edf874ddf5b337b0a648

    SHA512

    1d1a1719caf60ba7d28a8c08637c9b4bc6a1988b1a2264606817caadc4c18abf46f38fa861c77450fcd089e73338dc934e941b708025eaf03db7d42cd43531e8

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  • \Windows\SysWOW64\mvuvzazifd.exe
    Filesize

    512KB

    MD5

    73cd307c4a38a01d4293825f2a795842

    SHA1

    b0f20bc947b75bed6625e11071cac99692a28585

    SHA256

    c86a96291abf59fb4f26a5ca3f559c97b9b6b872ebff6426377c98ac35ecedee

    SHA512

    de93a89c89d96e302772bffd9459c16cf38c469a39d7cddb56cbda97d8ef46073a7b61cd700d7db13cd989b9cd6d921a42943d2a2e425c83bddad171b7a4dee4

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  • memory/1504-77-0x0000000002AB0000-0x0000000002AC0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1620-0-0x0000000000400000-0x0000000000496000-memory.dmp

    Filesize

    600KB

    Download

  • memory/2392-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

    Download