Analysis

  • max time kernel
    2s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2023 22:44

General

  • Target

    3b40cf3b84766eb09ae4a8f5cbd4d52e.exe

  • Size

    10.2MB

  • MD5

    3b40cf3b84766eb09ae4a8f5cbd4d52e

  • SHA1

    79703ba86fb0815f6ceeebbd93fd64af4d65e51e

  • SHA256

    3a0e301f6996b1d2ec33b992d46bed0eed1272cee5447c3e1d53e933df6cd09f

  • SHA512

    0151140ef80e88260426eaeb304f3beb88801d68b091a8c4c46a6cac769ff48593d397aaf416b78b5bd72a66785234f2239357ba7edc2e0c4904b59314cf7dba

  • SSDEEP

    98304:nJf9jblCo5yjVkwp3xPsCPCnJE/JT/p9T3cmHEVPxNUYgKV23xPsCPCnJE/JT/pF:J1jbEoisCPWc19dKQPK8sCPWc19

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

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

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b40cf3b84766eb09ae4a8f5cbd4d52e.exe
    "C:\Users\Admin\AppData\Local\Temp\3b40cf3b84766eb09ae4a8f5cbd4d52e.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1184
    • C:\Users\Admin\AppData\Local\Temp\3b40cf3b84766eb09ae4a8f5cbd4d52e.exe
      C:\Users\Admin\AppData\Local\Temp\3b40cf3b84766eb09ae4a8f5cbd4d52e.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:5032

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1184-2-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/1184-1-0x0000000002190000-0x00000000023EA000-memory.dmp

    Filesize

    2.4MB

  • memory/1184-0-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/1184-13-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/5032-16-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/5032-20-0x0000000002160000-0x00000000023BA000-memory.dmp

    Filesize

    2.4MB

  • memory/5032-30-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB