Analysis

  • max time kernel
    13s
  • max time network
    24s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-04-2024 17:21

Errors

Reason
Machine shutdown

General

  • Target

    f1960e66d1cae656c23a7ddfc7bf65cb_JaffaCakes118.exe

  • Size

    244KB

  • MD5

    f1960e66d1cae656c23a7ddfc7bf65cb

  • SHA1

    ec664ec29b7193e91af819c17ac75d125c7b4a98

  • SHA256

    d4866148c577d8ae964dedfc88138b7cf03d4ff4179ab381ff150ebe0a782068

  • SHA512

    ea6eb848be33f5fac8b41d357d619bec84bd0d6bb247eb3722ccc52c29a6eb837db19476251a572d1334ce2d1f3277cb4a560d9f396c10e8fa07d94369593c4c

  • SSDEEP

    3072:gwJIef1MQw9ma5f4+4RE45Jk75QjbNdlT9/NQjDM6ii9hgb6ru87fJ9JQvVuOG1P:gLQxE45Jk75ovT9/SDkC1yNg

Malware Config

Signatures

  • Sets DLL path for service in the registry 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 5 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies registry class 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f1960e66d1cae656c23a7ddfc7bf65cb_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f1960e66d1cae656c23a7ddfc7bf65cb_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3548
    • C:\Users\Admin\AppData\Local\Temp\fmt.exe
      "C:\Users\Admin\AppData\Local\Temp\fmt.exe"
      2⤵
      • Sets DLL path for service in the registry
      • Executes dropped EXE
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:1968
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k netsvcs -s Iprip
    1⤵
    • Sets DLL path for service in the registry
    • Loads dropped DLL
    • Adds Run key to start application
    • Installs/modifies Browser Helper Object
    • Drops file in System32 directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    PID:468
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x4 /state0:0xa39bd855 /state1:0x41c64e6d
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:628

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\fmt.exe

    Filesize

    20KB

    MD5

    199ccfcb08ee746cc76314581490f63a

    SHA1

    55fbe604b15237ab0730198423df99d343d4ad99

    SHA256

    9fd4fb856a2fcfb2181d3436d7ff58c09a0aa8bb6723ae4d65eb51ef0a08ce66

    SHA512

    48a23f3bc998568eebfb96d824e86a0a1ade258cf177f060124d6a4c8f492df7cb93dc7b9920272e6d236a8005fad99bcd6328bc9edb0a63bbe6e8ad4b74b64c

  • C:\Windows\SysWOW64\fsutk.dll

    Filesize

    116KB

    MD5

    6782234150433bb099baf49d23354700

    SHA1

    ef0e41fe3304579a8e4bb7ec51052d7573378a9f

    SHA256

    3ce08f6e8d0a5ff44e5a062cec2bd1edc095e4baac9ba89ce2dacf5fda7563ef

    SHA512

    af90142c18a757911a363447f84c5d21bc153eecc84cd48298dcf581032270be5a702298778a3a5a385c14412a5edb69ad1503ca29f4e016a687d68e1ffc9d39

  • \??\c:\$Recycle.bin\int.dat

    Filesize

    220KB

    MD5

    7246e69c6b14ff363786823feb10bb94

    SHA1

    8af3129fca8cb7e9e79110a1118360acc8ec4579

    SHA256

    a10e7edc071668416c0e96d7d8fa9629197deb91d70937f41cc42984c18f525e

    SHA512

    47f372b8b90d9edad99a4351565aee0dc45a718f84ec6ea87bfd775446c5f66e65dae8f7bd3f288dde4e9dbdf2ec06db39da23cc38c0ab7d4cc1778d401d1de5

  • \??\c:\windows\SysWOW64\liprip.dll

    Filesize

    84KB

    MD5

    691c44e7494406d208daf2b6119de7a1

    SHA1

    bc6b2994cd4dfaea87f7e944eb287a5b03ad60b4

    SHA256

    62c0e818d976ed33f6574307405b316469abe851dcb69aa38c90962b1f14fc0e

    SHA512

    f3843c15329625ee06203f9603ff55d30bb437b6319a9d0d6e121b861b9d66a5b795ea9650350c4cdf1a9dd65026aac098439579e971205fdc9cfd8d548e555f

  • memory/468-17-0x0000000000B90000-0x0000000000BB0000-memory.dmp

    Filesize

    128KB