Analysis

  • max time kernel
    5s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2023, 19:24

General

  • Target

    37b062ce7bf939ed689a1e5843835956.exe

  • Size

    244KB

  • MD5

    37b062ce7bf939ed689a1e5843835956

  • SHA1

    e9a8d2afe7de6110d40ac7db106e7f4b9a9668bb

  • SHA256

    eafbc21527f520eab55dcd1098488d28f95837878eda1de2a05aa6c7df32bf5f

  • SHA512

    5fee478e1c402b0221d53ae1116de3ccec513db6c898d4346a0d559da229a22e7394c7a1975acd4bcfeedbb744247d3efefbc8b9b8a0d15f41d917683bed48b2

  • SSDEEP

    6144:8b60dSBf8QajamgYXvl4KKoDrlTobaPSQYruLBe/EcbbOYF:8b60ds2BXeToDr60qi+tbO

Score
7/10
upx

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 1 IoCs

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

  • Drops file in Windows directory 4 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\37b062ce7bf939ed689a1e5843835956.exe
    "C:\Users\Admin\AppData\Local\Temp\37b062ce7bf939ed689a1e5843835956.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:3372
    • C:\Windows\Oxojya.exe
      C:\Windows\Oxojya.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: GetForegroundWindowSpam
      PID:3444
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3444 -s 568
        3⤵
        • Program crash
        PID:316
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3444 -ip 3444
    1⤵
      PID:4904

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3372-0-0x0000000000400000-0x000000000049C000-memory.dmp

      Filesize

      624KB

    • memory/3372-1-0x0000000000A80000-0x0000000000A81000-memory.dmp

      Filesize

      4KB

    • memory/3372-2-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/3372-33073-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/3444-18-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/3444-60686-0x0000000000400000-0x000000000049C000-memory.dmp

      Filesize

      624KB

    • memory/3444-138412-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB