Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    15-03-2024 14:25

General

  • Target

    cba443c5928796b02d3eb25973b20655.exe

  • Size

    4.7MB

  • MD5

    cba443c5928796b02d3eb25973b20655

  • SHA1

    d675c11f4207ac0e10486b3c916941d0d28a9cd3

  • SHA256

    98294eee1e99905752521045e5dc642066e9c354b29adae2446834704232362f

  • SHA512

    a9c89aa34ab75c6ff1843d7ee2a44681fa0b68e75feca7ff62046e4a55e9e89bb4b33dc4e5d41a1302fe6a0247b2bd8039cd93fa71019f35e686b46da96b8ec4

  • SSDEEP

    49152:jj9LxcO4Q5YTj1I8boQhfD6UDvxvykXk1rBsgyegFKvc4clwYcKfwY0wwvbO5gM:jjBxcO4EYTj3DmfKBOYgM

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • UPX packed file 3 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 7 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Program crash 1 IoCs
  • NTFS ADS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cba443c5928796b02d3eb25973b20655.exe
    "C:\Users\Admin\AppData\Local\Temp\cba443c5928796b02d3eb25973b20655.exe"
    1⤵
    • Drops file in Drivers directory
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2936
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 3228
      2⤵
      • Program crash
      PID:2200

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\ose.exe

    Filesize

    4.8MB

    MD5

    7f32b7504ebb18cf28be552e1ffd47ab

    SHA1

    bf88fa1092130d8b0c8c41d2a138e08a065d8140

    SHA256

    9e3ad5deff20ca09d5ab9138997199624adf38f5299192c5de5a63fffe819ece

    SHA512

    401af1a53cc02001fd4c69bbe3ea8ddc42c2a81e8ccfac73ed8c0d6f1dff7dddaf273941ef1fbf6ce3cbfe9bbfc688d38f09d380f5b1d60d6f9b127502fda7da

  • memory/2936-0-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2936-405-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB