Analysis

  • max time kernel
    148s
  • max time network
    165s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18-04-2024 14:10

General

  • Target

    f829e1a9cf136d94f832c275f6d1f008_JaffaCakes118.dll

  • Size

    1.2MB

  • MD5

    f829e1a9cf136d94f832c275f6d1f008

  • SHA1

    6f695e3924dbb1d6d216250ea8da39987a70cf4b

  • SHA256

    2c59b6a90799fe245b4bcd608bab37b0a3750bacaa886eda9c1e32c9e8b6f84f

  • SHA512

    d8f3f5cc1a8e616515f9cf5bb6934fa6c6627a16713bbefdcf7d81ecaf4f41b657490759ae089fdeaac5f960d19acd92dd25bf9385189c0b37a13ff7048bacd8

  • SSDEEP

    12288:6yWeahQ/LWnzkXz5HYrniajhuSlHJzJBlPXXo/6aNdCaBSPZC1XZV72B4:HWeaZzqY7dhBjz/lfo/FIyXv72B4

Malware Config

Signatures

  • Bazar Loader

    Detected loader normally used to deploy BazarBackdoor malware.

  • Bazar/Team9 Loader payload 3 IoCs
  • Blocklisted process makes network request 13 IoCs
  • Tries to connect to .bazar domain 1 IoCs

    Attempts to lookup or connect to a .bazar domain, used by BazarBackdoor, Trickbot, and potentially others.

  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Modifies system certificate store 2 TTPs 2 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\f829e1a9cf136d94f832c275f6d1f008_JaffaCakes118.dll,#1
    1⤵
    • Blocklisted process makes network request
    • Modifies system certificate store
    PID:3028

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\Local\Temp\TarC163.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • memory/3028-0-0x0000000027210000-0x000000002724C000-memory.dmp

    Filesize

    240KB

  • memory/3028-1-0x000007FEF6600000-0x000007FEF6781000-memory.dmp

    Filesize

    1.5MB

  • memory/3028-3-0x0000000027210000-0x000000002724C000-memory.dmp

    Filesize

    240KB