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Analysis

  • max time kernel
    140s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    11/07/2024, 21:39 UTC

General

  • Target

    3ace25db02a3ec70bf09d01f41b701a0_JaffaCakes118.exe

  • Size

    220KB

  • MD5

    3ace25db02a3ec70bf09d01f41b701a0

  • SHA1

    1b11d7ccbd08d9af227989a4967be0022d69526c

  • SHA256

    2b571ad9b3427c95d8a41197b0ea974106b6f66800fb496d28bc49bb181a38c9

  • SHA512

    9f3546dae1267014cf820f2050b82edb2fc48cd4ee8a980b19d35011930aa76ac7ccfd6de0f73a85ca457eb30e7f52e17641d181df7a87b7affc8dee3815068a

  • SSDEEP

    6144:n7uFDOoUHmXMDgX4LBlF1ZoSXV5Fom157fujcMDn:naF7tXUgXmlvZ1V5Wm1BujcMDn

Malware Config

Signatures

  • UPX packed file 6 IoCs

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

  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3ace25db02a3ec70bf09d01f41b701a0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3ace25db02a3ec70bf09d01f41b701a0_JaffaCakes118.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:1344

Network

  • flag-us
    DNS
    tei.mossysky.com
    3ace25db02a3ec70bf09d01f41b701a0_JaffaCakes118.exe
    Remote address:
    8.8.8.8:53
    Request
    tei.mossysky.com
    IN A
    Response
  • flag-us
    DNS
    csc3-2010-crl.verisign.com
    3ace25db02a3ec70bf09d01f41b701a0_JaffaCakes118.exe
    Remote address:
    8.8.8.8:53
    Request
    csc3-2010-crl.verisign.com
    IN A
    Response
    csc3-2010-crl.verisign.com
    IN CNAME
    crl-symcprod.digicert.com
    crl-symcprod.digicert.com
    IN CNAME
    crl.edge.digicert.com
    crl.edge.digicert.com
    IN CNAME
    fp2e7a.wpc.2be4.phicdn.net
    fp2e7a.wpc.2be4.phicdn.net
    IN CNAME
    fp2e7a.wpc.phicdn.net
    fp2e7a.wpc.phicdn.net
    IN A
    192.229.221.95
  • flag-se
    GET
    http://csc3-2010-crl.verisign.com/CSC3-2010.crl
    3ace25db02a3ec70bf09d01f41b701a0_JaffaCakes118.exe
    Remote address:
    192.229.221.95:80
    Request
    GET /CSC3-2010.crl HTTP/1.1
    Connection: Keep-Alive
    Accept: */*
    User-Agent: Microsoft-CryptoAPI/6.1
    Host: csc3-2010-crl.verisign.com
    Response
    HTTP/1.1 200 OK
    Accept-Ranges: bytes
    Age: 5294
    Cache-Control: public, max-age=3600
    Content-Type: application/pkix-crl
    Date: Thu, 11 Jul 2024 21:39:11 GMT
    Last-Modified: Thu, 11 Jul 2024 20:10:57 GMT
    Server: ECAcc (lhd/35E5)
    X-Cache: HIT
    X-Content-Type-Options: nosniff
    X-Frame-Options: SAMEORIGIN
    X-XSS-Protection: 1; mode=block
    Content-Length: 84832
  • flag-us
    DNS
    cfgi.mossysky.com
    3ace25db02a3ec70bf09d01f41b701a0_JaffaCakes118.exe
    Remote address:
    8.8.8.8:53
    Request
    cfgi.mossysky.com
    IN A
    Response
  • 192.229.221.95:80
    http://csc3-2010-crl.verisign.com/CSC3-2010.crl
    http
    3ace25db02a3ec70bf09d01f41b701a0_JaffaCakes118.exe
    1.8kB
    87.8kB
    36
    65

    HTTP Request

    GET http://csc3-2010-crl.verisign.com/CSC3-2010.crl

    HTTP Response

    200
  • 8.8.8.8:53
    tei.mossysky.com
    dns
    3ace25db02a3ec70bf09d01f41b701a0_JaffaCakes118.exe
    62 B
    135 B
    1
    1

    DNS Request

    tei.mossysky.com

  • 8.8.8.8:53
    csc3-2010-crl.verisign.com
    dns
    3ace25db02a3ec70bf09d01f41b701a0_JaffaCakes118.exe
    72 B
    212 B
    1
    1

    DNS Request

    csc3-2010-crl.verisign.com

    DNS Response

    192.229.221.95

  • 8.8.8.8:53
    cfgi.mossysky.com
    dns
    3ace25db02a3ec70bf09d01f41b701a0_JaffaCakes118.exe
    63 B
    136 B
    1
    1

    DNS Request

    cfgi.mossysky.com

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabAC0A.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarAC3C.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/1344-0-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/1344-61-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/1344-62-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/1344-63-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/1344-66-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/1344-68-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

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