Analysis

  • max time kernel
    145s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-10-2024 02:05

General

  • Target

    54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe

  • Size

    11.3MB

  • MD5

    54e2398991a9cddc07f7f06a872f1d63

  • SHA1

    9986f150239e30469866d4509a6dcae397371e18

  • SHA256

    f7abf97c66dde0d10eb7d8a90c2286ca4e03f78204fba4a3d7fa405ad21e434d

  • SHA512

    e6dc4190747a0686a43113caa83ade2c6e651fc97981eabba961a0ec189b5daa22827bafb7dcf8ee11437267a8b141393f18355fd401e67e062bf004f18f505d

  • SSDEEP

    98304:Ji0tTIMzKpXOMGQzIMzKpXOMGQkIMzKpXOMGQ:801I2lyzI2lykI2ly

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Renames multiple (91) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • ASPack v2.12-2.42 3 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Drops startup file 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Drops autorun.inf file 1 TTPs 3 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops startup file
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops autorun.inf file
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2056
    • C:\Windows\SysWOW64\HelpMe.exe
      C:\Windows\system32\HelpMe.exe
      2⤵
      • Modifies WinLogon for persistence
      • Drops startup file
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops autorun.inf file
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:2176

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\$Recycle.Bin\S-1-5-21-3290804112-2823094203-3137964600-1000\desktop.ini.exe

    Filesize

    11.3MB

    MD5

    ca0237b608fd20d950f1a7da77d60470

    SHA1

    1415c2852bdefcdd484523328b575b2cd0b79950

    SHA256

    cb96b106aca66e79955840d451b594a2cc18552f133456a6e99b22be84523712

    SHA512

    138891772af124bf300c9256a5f4e6a71280e175fd9534963cf7c986abb65346e504881b6f59d6c107b7ac985af2f5bf84300149fa10e4b2be8c997c61ef1552

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk

    Filesize

    954B

    MD5

    3d87fe6554d7f5af3d4d15a2dbdae341

    SHA1

    c92de882331f9c7b9ce2720b883910833e3eeafe

    SHA256

    0975591af579114ab610a8f8f79246bb88032aa60b765b545755fd91864c9edc

    SHA512

    01c7e990173e867adfc8ee0c2e1f7ae3c443a81b206d140ef609205735589b70a77da4388977422e3ffe00e2fb22a45591eae08e7e1c89055b1aecbd772b77be

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk

    Filesize

    1KB

    MD5

    80739873de5aaadf236a69618f86d0d9

    SHA1

    8f737b39143e7cc3a93302ba3315c5d9a4cc9503

    SHA256

    cc7264853a9bf876c872747e8b70bce56dc2456ffdbcbb6a531c2ab02f72f922

    SHA512

    c8f8c5e32bd4c533b414224db6963fa54ea588076c17249a5a1f63608bf3c621b2a433193268b7087425b94e4eff4d5d336923e8e4ffcc3e6c5833899c81deb3

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk

    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • F:\AUTORUN.INF

    Filesize

    145B

    MD5

    ca13857b2fd3895a39f09d9dde3cca97

    SHA1

    8b78c5b2ec97c372ebdcef92d14b0998f8dd6dd0

    SHA256

    cfe448b4506a95b33b529efa88f1ac704d8bdf98a941c065650ead27609318ae

    SHA512

    55e5b5325968d1e5314527fb2d26012f5aae4a1c38e305417be273400cb1c6d0c22b85bddb501d7a5720a3f53bb5caf6ada8a7894232344c4f6c6ef85d226b47

  • F:\AutoRun.exe

    Filesize

    11.3MB

    MD5

    54e2398991a9cddc07f7f06a872f1d63

    SHA1

    9986f150239e30469866d4509a6dcae397371e18

    SHA256

    f7abf97c66dde0d10eb7d8a90c2286ca4e03f78204fba4a3d7fa405ad21e434d

    SHA512

    e6dc4190747a0686a43113caa83ade2c6e651fc97981eabba961a0ec189b5daa22827bafb7dcf8ee11437267a8b141393f18355fd401e67e062bf004f18f505d

  • \Windows\SysWOW64\HelpMe.exe

    Filesize

    11.3MB

    MD5

    9bfcd5028a56d25466b9e4afe728f817

    SHA1

    a0c9cbc15ec132f85dc7a8eec9315392ed8f5ab5

    SHA256

    0bda3d8488c209fc0b2dc88fb462017e19d553ccf11d6af9919b90f205d63104

    SHA512

    a092ab85fb38b8930f37ad15192fa1c7887935df60e9865432f867c3f0ba0cfefc04fd9cca5a8d01c4c57c877566e28dbdf2f4e54e31917a378ac2a7a722bec5

  • memory/2056-0-0x00000000001B0000-0x00000000001B1000-memory.dmp

    Filesize

    4KB

  • memory/2176-9-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2176-230-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB