Analysis

  • max time kernel
    147s
  • max time network
    150s
  • 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 22:11

General

  • Target

    f20af1991721941a6712a07cfb2a81be_JaffaCakes118.dll

  • Size

    536KB

  • MD5

    f20af1991721941a6712a07cfb2a81be

  • SHA1

    a134fcd514bb5cfbe9e98b9cfe28f3e02b9a28cf

  • SHA256

    e36d3891436038b678aae50859a8bca3c50989deea07b8776c3927e76ad57c1d

  • SHA512

    a8e248af9bcd8d427806d9ecc4e165ff34d0f8866f273e6b0bdd5bffcf1269a503880d94c6c3827ef762499899345405b13f6128c6d4eef8fdba6c7ef205480c

  • SSDEEP

    12288:FRFZrKEx0B559K5mYneuZ3ot3Ufc1zg6o1HZmfFd:FHZFK3K5mYneuZ3Mv1zg6o1HEtd

Malware Config

Signatures

  • Bazar Loader

    Detected loader normally used to deploy BazarBackdoor malware.

  • Bazar/Team9 Loader payload 2 IoCs
  • Blocklisted process makes network request 16 IoCs
  • Tries to connect to .bazar domain 8 IoCs

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

  • Unexpected DNS network traffic destination 8 IoCs

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

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\f20af1991721941a6712a07cfb2a81be_JaffaCakes118.dll,#1
    1⤵
    • Blocklisted process makes network request
    PID:2240

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2240-0-0x000001956D1D0000-0x000001956D1FA000-memory.dmp

    Filesize

    168KB

  • memory/2240-1-0x000001956D1D0000-0x000001956D1FA000-memory.dmp

    Filesize

    168KB