Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22/03/2025, 06:16

General

  • Target

    c39e5e577360a09a924844399e1953fb.exe

  • Size

    17.7MB

  • MD5

    c39e5e577360a09a924844399e1953fb

  • SHA1

    cfcede39f7afad0df9473c8cd9d328db72dbd90b

  • SHA256

    e8955e77203db68470ff9461e2faf9deed3df0c3fab1b0fd5d4c8a6595f5c72c

  • SHA512

    78b865dbbefafce9a9948a14e2013c3650d028d87e3ed4b2a5d4281687c826b3cd8044274c0e54853f6b48533ac07af3065c6ad34b629c22587f26ad5aee35c7

  • SSDEEP

    393216:8YGbY6iHonlQCe88BYdY3SHFPJXFODKSblmY+:87Y2CCe4dAmFOmSJm9

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\c39e5e577360a09a924844399e1953fb.exe
    "C:\Users\Admin\AppData\Local\Temp\c39e5e577360a09a924844399e1953fb.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2840
    • C:\Windows\system32\schtasks.exe
      "schtasks.exe" /create /tn KMSAuto-AActtive-API /tr "C:\ProgramData\KMSAuto\AActtive.exe" /st 06:37 /du 23:59 /sc daily /ri 1 /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2824
    • C:\ProgramData\KMSAuto\AActtive.exe
      "C:\ProgramData\KMSAuto\AActtive.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2524
    • C:\Windows\system32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpAF23.tmp.bat""
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2564
      • C:\Windows\system32\timeout.exe
        timeout 6
        3⤵
        • Delays execution with timeout.exe
        PID:2988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\KMSAuto\AActtive.exe

    Filesize

    18.4MB

    MD5

    920913e9deadf2fbc5fa183f0e504125

    SHA1

    972547207cf44e7789aebf935d8a91b048643ae2

    SHA256

    db02d2780dee263eaed2002e5344ab7cde578869bd0bde9af876832ba61d81ab

    SHA512

    ea60c2c2b5f0c55d0b9fea7f290b5e381540f26a0e4e7469cf22c204dc374e6eb1c42c94c8bbbb2e6e00ab8bf43c246cb73d32f5e8a64e2f3635a48a0affcc5a

  • C:\Users\Admin\AppData\Local\Temp\tmpAF23.tmp.bat

    Filesize

    184B

    MD5

    8c1177daaa0f9b76b6a7ff57da74bc66

    SHA1

    51aa67545d15ded18bcfcf3be15fafc152be8a2b

    SHA256

    ca8987eeaa60e2f73f1cb8de214892e1b636cb17b9dbf58597c7c91b1d1603a8

    SHA512

    67bc67e82853d2fb73fc08161c886e18c89d69b53b8c8df9c15be886dd4fbe8eeb883f70830a495e5a124615a8d72344cf4e779eeca5939f774a0541a73dd5d9

  • memory/2524-15-0x000007FEF55E0000-0x000007FEF5FCC000-memory.dmp

    Filesize

    9.9MB

  • memory/2524-13-0x0000000000260000-0x00000000002A2000-memory.dmp

    Filesize

    264KB

  • memory/2524-14-0x000007FEF55E0000-0x000007FEF5FCC000-memory.dmp

    Filesize

    9.9MB

  • memory/2524-25-0x000007FEF55E0000-0x000007FEF5FCC000-memory.dmp

    Filesize

    9.9MB

  • memory/2524-26-0x000007FEF55E0000-0x000007FEF5FCC000-memory.dmp

    Filesize

    9.9MB

  • memory/2840-3-0x00000000002C0000-0x00000000002CE000-memory.dmp

    Filesize

    56KB

  • memory/2840-4-0x000007FEF55E3000-0x000007FEF55E4000-memory.dmp

    Filesize

    4KB

  • memory/2840-5-0x000007FEF55E0000-0x000007FEF5FCC000-memory.dmp

    Filesize

    9.9MB

  • memory/2840-24-0x000007FEF55E0000-0x000007FEF5FCC000-memory.dmp

    Filesize

    9.9MB

  • memory/2840-2-0x000007FEF55E0000-0x000007FEF5FCC000-memory.dmp

    Filesize

    9.9MB

  • memory/2840-0-0x000007FEF55E3000-0x000007FEF55E4000-memory.dmp

    Filesize

    4KB

  • memory/2840-1-0x0000000000E20000-0x0000000000E62000-memory.dmp

    Filesize

    264KB