Analysis

  • max time kernel
    140s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-03-2024 18:57

General

  • Target

    2a215e8c8bb19eb81f3d87b836a9962d_JaffaCakes118.exe

  • Size

    1.8MB

  • MD5

    2a215e8c8bb19eb81f3d87b836a9962d

  • SHA1

    b6eaec4687868eae433005976d64ea2b5400dfa9

  • SHA256

    b965aa1eeab51b3da2794567479d289c5ab0682a56290caf4624b8cf77a6e49e

  • SHA512

    5e41b9c3b8314a58bce94a54d3963af83381df82432b7631ba5a370eb16f713752cab23101c886ea1963b86a413139e75bc04def50f787cfda2a6bc54598c427

  • SSDEEP

    49152:SmUqJjkupV6YbA9HHAWWrVRiyPlv283J5tz1Ow/S:W43pZsVWJIyPlO85zr6

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 4 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2a215e8c8bb19eb81f3d87b836a9962d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2a215e8c8bb19eb81f3d87b836a9962d_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2320
    • C:\Users\Admin\AppData\Local\Temp\NDBBWSJAAiX7Vqj.exe
      C:\Users\Admin\AppData\Local\Temp\NDBBWSJAAiX7Vqj.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:308
      • C:\Users\Admin\AppData\Local\Temp\jds259396824.tmp\NDBBWSJAAiX7Vqj.exe
        "C:\Users\Admin\AppData\Local\Temp\jds259396824.tmp\NDBBWSJAAiX7Vqj.exe"
        3⤵
        • Executes dropped EXE
        • Modifies Internet Explorer settings
        • Modifies system certificate store
        • Suspicious use of SetWindowsHookEx
        PID:2656
    • C:\Windows\CTS.exe
      "C:\Windows\CTS.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:2028

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\jusched.log

    Filesize

    1KB

    MD5

    fc454747f76e07f6a5ee4969c17c4c0c

    SHA1

    995b1d9b669988dafa11d999a8041c62b71bc356

    SHA256

    23131cc85c8bbea806184afd793b528da81a86564a8d4784c4b609ae29af515d

    SHA512

    e2a360957406239291ca54f17f5c9a50f4ce547405ef429e676ee20cb633fd177f6db97518f6135c1f9065d5e088dd8e0a1101099ac9f09630fe18501b15d261

  • C:\Users\Admin\AppData\Local\Temp\jusched.log

    Filesize

    5KB

    MD5

    fad4f7850553a695b418e9ab380db4bf

    SHA1

    a6dbba42743416ce1d8d36ec80592399de29dce5

    SHA256

    4c6c9a4bf030b7b813d41c640abe9876ad8dd372835982ef5c1938e1ab666eab

    SHA512

    0dd0f0880a1552cf8c3998ab31e7985c0216302fb1f396b0ca6e9aa5821f044ec7a1a224d9713a9d717619d7a3a5563ff09072516ee62080552d68e440153e46

  • C:\Windows\CTS.exe

    Filesize

    32KB

    MD5

    ac66dea95d4b0359164c31b135841b2a

    SHA1

    7038ec1bd5e9860154e5de4a100f0ec4a67fb2dd

    SHA256

    9768adefcfb9e4781b55cee28b2dd5db68086ad998b70c82e8b2a6c3f4b56c53

    SHA512

    fdf360c6dbe4ea57acde1d4a234f378fe9d408cd154c2dfd6a2d954ae3795523ae09477d77bac8e8d326991ee678af6dc502071f22e3e692e1ec37c0ed269bf3

  • \Users\Admin\AppData\Local\Temp\NDBBWSJAAiX7Vqj.exe

    Filesize

    1.8MB

    MD5

    544e07d620d3108b9b6aa3384d02dea5

    SHA1

    9897596f3c4ec39e38ef7f1081783db7693ae0b2

    SHA256

    a8fb1a1473831ac6feb092afd2cbdded2d6a881d3576158fabd89090050b52f8

    SHA512

    3663b9c056447c4491635b5bdcbc6e1a2b67a432b41bab6f479da5c787c48f1067cecafdfb6d9763f9b17b553aa953ae87068ba7f0c1c93facf34db7ac53a64c

  • \Users\Admin\AppData\Local\Temp\jds259396824.tmp\NDBBWSJAAiX7Vqj.exe

    Filesize

    1.6MB

    MD5

    109cbe148f827137c3ba62261f01b29b

    SHA1

    2cc02b09da46d9e5d0ac1b306a0bbcc12bfe4c12

    SHA256

    394ad6212e4866cc8e6d1834df8f70538dddf09d23dfa65ea204b22c012b541a

    SHA512

    a2dfa03dd290540bcfeda6cfd7d6ed891700742b4323d8c8dbfc4c822386ef1ddfff5cf71b2e5d7be9ec72fb6fc2145ff6ffc440823187d6956d5aa2794c5799

  • memory/2028-20-0x0000000000A60000-0x0000000000A77000-memory.dmp

    Filesize

    92KB

  • memory/2320-0-0x0000000000D60000-0x0000000000D77000-memory.dmp

    Filesize

    92KB

  • memory/2320-17-0x00000000000E0000-0x00000000000F7000-memory.dmp

    Filesize

    92KB

  • memory/2320-14-0x00000000000E0000-0x00000000000F7000-memory.dmp

    Filesize

    92KB

  • memory/2320-11-0x0000000000D60000-0x0000000000D77000-memory.dmp

    Filesize

    92KB