Analysis

  • max time kernel
    140s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-01-2024 07:57

General

  • Target

    52f7a51c10ed1af473b8e49753b1a776.dll

  • Size

    338KB

  • MD5

    52f7a51c10ed1af473b8e49753b1a776

  • SHA1

    3810802f7f9291f4c8a3a9c2b0adf2359b33cd92

  • SHA256

    2bc93ff34de7019410fb251d7dcfeb731795e8375402eca5a526dbe1ffbb6f04

  • SHA512

    63dda9738f7e178c70e5ab9974268c48453ba358be65e169594a77e36f82e5787914488c0c09967f43a39446ec5ec6fd4fe4ba1c4ec834c2c6d3f25c96bd268f

  • SSDEEP

    6144:uZwKn8bxurvfUCEs7I4V2PsqHMc/PZ6RguROla0CWecIdn9TCwC6dT:zTbxuLfUCR2kQMgZ6W4OIePAT

Malware Config

Signatures

  • Bazar Loader

    Detected loader normally used to deploy BazarBackdoor malware.

  • Bazar/Team9 Loader payload 2 IoCs
  • Blocklisted process makes network request 11 IoCs
  • Tries to connect to .bazar domain 4 IoCs

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

  • Unexpected DNS network traffic destination 4 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\52f7a51c10ed1af473b8e49753b1a776.dll,#1
    1⤵
    • Blocklisted process makes network request
    PID:4840

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/4840-0-0x00000256EE310000-0x00000256EE50A000-memory.dmp

    Filesize

    2.0MB

  • memory/4840-1-0x00000256EE310000-0x00000256EE50A000-memory.dmp

    Filesize

    2.0MB