Analysis

  • max time kernel
    70s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    12-06-2024 16:36

General

  • Target

    invoice_2318362983713_823931342io.pdf.exe

  • Size

    247KB

  • MD5

    ea039a854d20d7734c5add48f1a51c34

  • SHA1

    9615dca4c0e46b8a39de5428af7db060399230b2

  • SHA256

    69e966e730557fde8fd84317cdef1ece00a8bb3470c0b58f3231e170168af169

  • SHA512

    6718e54a59b91537c41ac913f9d8d6ad97b08cf6a61a4d174458738579a33471ef357173fd9eb4d4c9652ed2bf86c41f6da3cdd20fd7af643cd9f5ee6c9e30d5

  • SSDEEP

    6144:Tz/LBBTHT+7oEf2ZstxQMSGToLoOhD2saLsW8fsmFBkObjD:PLBdy7FpQMlToThD+sW8fsmP7bj

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 18 IoCs
  • Modifies security service 2 TTPs 22 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Unexpected DNS network traffic destination 11 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 22 IoCs
  • NTFS ADS 19 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\invoice_2318362983713_823931342io.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\invoice_2318362983713_823931342io.pdf.exe"
    1⤵
    • Modifies security service
    • Sets service image path in registry
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Drops file in Program Files directory
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2980
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Deletes itself
      PID:2740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Google\Desktop\Install\{26595806-8424-44b2-6f2a-44c4b7af69a8}\ \...\‮ﯹ๛\{26595806-8424-44b2-6f2a-44c4b7af69a8}\@

    Filesize

    2KB

    MD5

    91f84b08b8aa43eccbe5e46286ef2dd9

    SHA1

    77724878099e5f83a952c9d01e597ede8e7dd5bf

    SHA256

    c57bb5f95ab9f0b55ff665f53dd5af8c76c3583bd415eacc3c718e5a9b829c8f

    SHA512

    d1c0d469ed990d2d1e79152eb3fdf79ba23fe8d58f44a244fec544a1f266b806b5cf464129e4b06521d4e43836d05e95a481449b6a8e44c0899bb8c882f78729

  • memory/468-11-0x00000000001A0000-0x00000000001B2000-memory.dmp

    Filesize

    72KB

  • memory/468-14-0x0000000075510000-0x0000000075513000-memory.dmp

    Filesize

    12KB

  • memory/468-13-0x00000000001A0000-0x00000000001B2000-memory.dmp

    Filesize

    72KB

  • memory/468-12-0x00000000001A0000-0x00000000001B2000-memory.dmp

    Filesize

    72KB

  • memory/1396-4-0x0000000002100000-0x0000000002112000-memory.dmp

    Filesize

    72KB

  • memory/1396-5-0x0000000002100000-0x0000000002112000-memory.dmp

    Filesize

    72KB

  • memory/1396-10-0x0000000075510000-0x0000000075511000-memory.dmp

    Filesize

    4KB

  • memory/1396-8-0x0000000002100000-0x0000000002112000-memory.dmp

    Filesize

    72KB

  • memory/1396-26-0x0000000002100000-0x0000000002112000-memory.dmp

    Filesize

    72KB

  • memory/2980-0-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/2980-3-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/2980-2-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/2980-18-0x0000000000434000-0x0000000000439000-memory.dmp

    Filesize

    20KB

  • memory/2980-17-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/2980-1-0x0000000000434000-0x0000000000439000-memory.dmp

    Filesize

    20KB