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Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    22/09/2023, 03:46

General

  • Target

    883e90cbf2b203e43bbd4dc84d1389f13876348269356b43028b2b94a27f3e90.exe

  • Size

    1.7MB

  • MD5

    e8eb1ec9deb48f871d5f0041f5376efd

  • SHA1

    f2db4c8ef8a5a39d1b7dd34c82b6efd4664b4531

  • SHA256

    883e90cbf2b203e43bbd4dc84d1389f13876348269356b43028b2b94a27f3e90

  • SHA512

    6ee61fb70db05deb8921b250e198653ce5c9ba6da2e5f54290e82dfd4189aa82b9bdc422ad3a328ea6ce84315d0d0c9f2df061824c8952e36dd5169367caff9d

  • SSDEEP

    24576:HcCAjahFqYIiOtKRoXCkX4rj69El3s1sJ:jAjgFiqvrWTs

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 10 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 33 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\883e90cbf2b203e43bbd4dc84d1389f13876348269356b43028b2b94a27f3e90.exe
    "C:\Users\Admin\AppData\Local\Temp\883e90cbf2b203e43bbd4dc84d1389f13876348269356b43028b2b94a27f3e90.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2788
    • C:\Windows\system32\schtasks.exe
      "schtasks" /create /tn "smss" /sc ONLOGON /tr "'C:\Windows\Globalization\smss.exe'" /rl HIGHEST /f
      2⤵
      • Creates scheduled task(s)
      PID:2884
    • C:\Windows\system32\schtasks.exe
      "schtasks" /create /tn "csrss" /sc ONLOGON /tr "'C:\Windows\System32\NlsData0416\csrss.exe'" /rl HIGHEST /f
      2⤵
      • Creates scheduled task(s)
      PID:2608
    • C:\Windows\system32\schtasks.exe
      "schtasks" /create /tn "services" /sc ONLOGON /tr "'C:\Windows\System32\mfcm100\services.exe'" /rl HIGHEST /f
      2⤵
      • Creates scheduled task(s)
      PID:2832
    • C:\Windows\system32\schtasks.exe
      "schtasks" /create /tn "883e90cbf2b203e43bbd4dc84d1389f13876348269356b43028b2b94a27f3e90" /sc ONLOGON /tr "'C:\Users\Default\Downloads\883e90cbf2b203e43bbd4dc84d1389f13876348269356b43028b2b94a27f3e90.exe'" /rl HIGHEST /f
      2⤵
      • Creates scheduled task(s)
      PID:2628
    • C:\Windows\system32\schtasks.exe
      "schtasks" /create /tn "smss" /sc ONLOGON /tr "'C:\Program Files\DVD Maker\it-IT\smss.exe'" /rl HIGHEST /f
      2⤵
      • Creates scheduled task(s)
      PID:1080
    • C:\Windows\system32\schtasks.exe
      "schtasks" /create /tn "dwm" /sc ONLOGON /tr "'C:\Windows\System32\fdSSDP\dwm.exe'" /rl HIGHEST /f
      2⤵
      • Creates scheduled task(s)
      PID:2524
    • C:\Windows\system32\schtasks.exe
      "schtasks" /create /tn "audiodg" /sc ONLOGON /tr "'C:\Users\Default\Cookies\audiodg.exe'" /rl HIGHEST /f
      2⤵
      • Creates scheduled task(s)
      PID:2448
    • C:\Windows\system32\schtasks.exe
      "schtasks" /create /tn "csrss" /sc ONLOGON /tr "'C:\Windows\System32\Wldap32\csrss.exe'" /rl HIGHEST /f
      2⤵
      • Creates scheduled task(s)
      PID:2192
    • C:\Windows\system32\schtasks.exe
      "schtasks" /create /tn "taskhost" /sc ONLOGON /tr "'C:\Windows\System32\cfgmgr32\taskhost.exe'" /rl HIGHEST /f
      2⤵
      • Creates scheduled task(s)
      PID:1908
    • C:\Windows\system32\schtasks.exe
      "schtasks" /create /tn "smss" /sc ONLOGON /tr "'C:\Windows\System32\mssrch\smss.exe'" /rl HIGHEST /f
      2⤵
      • Creates scheduled task(s)
      PID:2780
    • C:\Windows\System32\fdSSDP\dwm.exe
      "C:\Windows\System32\fdSSDP\dwm.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2952

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\DVD Maker\it-IT\smss.exe

    Filesize

    1.7MB

    MD5

    e8eb1ec9deb48f871d5f0041f5376efd

    SHA1

    f2db4c8ef8a5a39d1b7dd34c82b6efd4664b4531

    SHA256

    883e90cbf2b203e43bbd4dc84d1389f13876348269356b43028b2b94a27f3e90

    SHA512

    6ee61fb70db05deb8921b250e198653ce5c9ba6da2e5f54290e82dfd4189aa82b9bdc422ad3a328ea6ce84315d0d0c9f2df061824c8952e36dd5169367caff9d

  • C:\Windows\System32\fdSSDP\dwm.exe

    Filesize

    1.7MB

    MD5

    e8eb1ec9deb48f871d5f0041f5376efd

    SHA1

    f2db4c8ef8a5a39d1b7dd34c82b6efd4664b4531

    SHA256

    883e90cbf2b203e43bbd4dc84d1389f13876348269356b43028b2b94a27f3e90

    SHA512

    6ee61fb70db05deb8921b250e198653ce5c9ba6da2e5f54290e82dfd4189aa82b9bdc422ad3a328ea6ce84315d0d0c9f2df061824c8952e36dd5169367caff9d

  • C:\Windows\System32\fdSSDP\dwm.exe

    Filesize

    1.7MB

    MD5

    e8eb1ec9deb48f871d5f0041f5376efd

    SHA1

    f2db4c8ef8a5a39d1b7dd34c82b6efd4664b4531

    SHA256

    883e90cbf2b203e43bbd4dc84d1389f13876348269356b43028b2b94a27f3e90

    SHA512

    6ee61fb70db05deb8921b250e198653ce5c9ba6da2e5f54290e82dfd4189aa82b9bdc422ad3a328ea6ce84315d0d0c9f2df061824c8952e36dd5169367caff9d

  • memory/2788-0-0x0000000000050000-0x00000000001FA000-memory.dmp

    Filesize

    1.7MB

  • memory/2788-1-0x000007FEF59F0000-0x000007FEF63DC000-memory.dmp

    Filesize

    9.9MB

  • memory/2788-2-0x0000000000480000-0x0000000000486000-memory.dmp

    Filesize

    24KB

  • memory/2788-3-0x000000001AFD0000-0x000000001B050000-memory.dmp

    Filesize

    512KB

  • memory/2788-31-0x000007FEF59F0000-0x000007FEF63DC000-memory.dmp

    Filesize

    9.9MB

  • memory/2952-28-0x000007FEF59F0000-0x000007FEF63DC000-memory.dmp

    Filesize

    9.9MB

  • memory/2952-29-0x0000000000990000-0x0000000000B3A000-memory.dmp

    Filesize

    1.7MB

  • memory/2952-30-0x000000001B490000-0x000000001B510000-memory.dmp

    Filesize

    512KB

  • memory/2952-32-0x000007FEF59F0000-0x000007FEF63DC000-memory.dmp

    Filesize

    9.9MB