Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-01-2023 08:26

General

  • Target

    650bad83516a0f71114aea13ee9d00667312e4460225c17f1549283a1bb48c68.exe

  • Size

    2.4MB

  • MD5

    1349a0a7bde438e5cc93199f47e490db

  • SHA1

    75e68693fcb5d159112fa4299a7283138339970d

  • SHA256

    650bad83516a0f71114aea13ee9d00667312e4460225c17f1549283a1bb48c68

  • SHA512

    d47a5bb8b0226fed6ba0b86d9a7fff7320e56f320293e677013a465b731b535edc4493df3d510cfe90e97b1129d3e77c723d47c5cb695b24b5dcdbf8aadc5d1e

  • SSDEEP

    49152:KSSml331rbf32zD5TdR+y910zqsVRGQ4kWBYe9ERg8KFqRpB:KSS43odR+yDvQGkPm8rRP

Malware Config

Signatures

  • DcRat

    DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

  • Process spawned unexpected child process 51 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • DCRat payload 4 IoCs

    Detects payload of DCRat, commonly dropped by NSIS installers.

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 13 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 51 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\650bad83516a0f71114aea13ee9d00667312e4460225c17f1549283a1bb48c68.exe
    "C:\Users\Admin\AppData\Local\Temp\650bad83516a0f71114aea13ee9d00667312e4460225c17f1549283a1bb48c68.exe"
    1⤵
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1172
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\u1EJnjMs4F.bat"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2008
      • C:\Windows\system32\w32tm.exe
        w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
        3⤵
          PID:436
        • C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\v1.0\taskhost.exe
          "C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\v1.0\taskhost.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1444
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 12 /tr "'C:\Program Files\Windows Media Player\it-IT\spoolsv.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:564
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Program Files\Windows Media Player\it-IT\spoolsv.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1568
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 10 /tr "'C:\Program Files\Windows Media Player\it-IT\spoolsv.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:292
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 13 /tr "'C:\Users\Default User\sppsvc.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1644
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Users\Default User\sppsvc.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1292
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 11 /tr "'C:\Users\Default User\sppsvc.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1528
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 9 /tr "'C:\Users\Default\PrintHood\wininit.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:968
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Users\Default\PrintHood\wininit.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1264
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 10 /tr "'C:\Users\Default\PrintHood\wininit.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2004
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Windows Portable Devices\lsass.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1672
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Portable Devices\lsass.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1848
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Windows Portable Devices\lsass.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1628
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Windows Defender\en-US\winlogon.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:880
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Defender\en-US\winlogon.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2044
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows Defender\en-US\winlogon.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1828
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorere" /sc MINUTE /mo 7 /tr "'C:\Recovery\c11c4da2-1a8a-11ed-8505-e0b24281b398\explorer.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1864
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Recovery\c11c4da2-1a8a-11ed-8505-e0b24281b398\explorer.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1332
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorere" /sc MINUTE /mo 5 /tr "'C:\Recovery\c11c4da2-1a8a-11ed-8505-e0b24281b398\explorer.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:932
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 6 /tr "'C:\MSOCache\All Users\{90140000-0019-0409-0000-0000000FF1CE}-C\sppsvc.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:764
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0019-0409-0000-0000000FF1CE}-C\sppsvc.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1648
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 13 /tr "'C:\MSOCache\All Users\{90140000-0019-0409-0000-0000000FF1CE}-C\sppsvc.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1924
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 12 /tr "'C:\Users\All Users\Templates\winlogon.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1964
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Users\All Users\Templates\winlogon.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:636
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 13 /tr "'C:\Users\All Users\Templates\winlogon.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:752
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\v1.0\taskhost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:844
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\v1.0\taskhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1912
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\v1.0\taskhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1680
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "smsss" /sc MINUTE /mo 12 /tr "'C:\Users\All Users\Application Data\smss.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:940
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Users\All Users\Application Data\smss.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1280
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "smsss" /sc MINUTE /mo 7 /tr "'C:\Users\All Users\Application Data\smss.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1564
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 5 /tr "'C:\Users\Public\Music\Sample Music\csrss.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1540
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Users\Public\Music\Sample Music\csrss.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2004
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 10 /tr "'C:\Users\Public\Music\Sample Music\csrss.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:292
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "servicess" /sc MINUTE /mo 13 /tr "'C:\Recovery\c11c4da2-1a8a-11ed-8505-e0b24281b398\services.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1756
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Recovery\c11c4da2-1a8a-11ed-8505-e0b24281b398\services.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1260
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "servicess" /sc MINUTE /mo 7 /tr "'C:\Recovery\c11c4da2-1a8a-11ed-8505-e0b24281b398\services.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1468
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows Photo Viewer\fr-FR\csrss.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:640
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Photo Viewer\fr-FR\csrss.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:764
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows Photo Viewer\fr-FR\csrss.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1668
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorere" /sc MINUTE /mo 10 /tr "'C:\Recovery\c11c4da2-1a8a-11ed-8505-e0b24281b398\explorer.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1672
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Recovery\c11c4da2-1a8a-11ed-8505-e0b24281b398\explorer.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1832
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorere" /sc MINUTE /mo 6 /tr "'C:\Recovery\c11c4da2-1a8a-11ed-8505-e0b24281b398\explorer.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1648
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 13 /tr "'C:\Windows\DigitalLocker\fr-FR\dwm.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:932
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Windows\DigitalLocker\fr-FR\dwm.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1488
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 7 /tr "'C:\Windows\DigitalLocker\fr-FR\dwm.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1812
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsml" /sc MINUTE /mo 14 /tr "'C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\lsm.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:360
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\lsm.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1960
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsml" /sc MINUTE /mo 11 /tr "'C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\lsm.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1912
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "WMIADAPW" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Windows NT\TableTextService\en-US\WMIADAP.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1280
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "WMIADAP" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows NT\TableTextService\en-US\WMIADAP.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:752
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "WMIADAPW" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows NT\TableTextService\en-US\WMIADAP.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1332

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\v1.0\taskhost.exe

      Filesize

      2.4MB

      MD5

      1349a0a7bde438e5cc93199f47e490db

      SHA1

      75e68693fcb5d159112fa4299a7283138339970d

      SHA256

      650bad83516a0f71114aea13ee9d00667312e4460225c17f1549283a1bb48c68

      SHA512

      d47a5bb8b0226fed6ba0b86d9a7fff7320e56f320293e677013a465b731b535edc4493df3d510cfe90e97b1129d3e77c723d47c5cb695b24b5dcdbf8aadc5d1e

    • C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\v1.0\taskhost.exe

      Filesize

      2.4MB

      MD5

      1349a0a7bde438e5cc93199f47e490db

      SHA1

      75e68693fcb5d159112fa4299a7283138339970d

      SHA256

      650bad83516a0f71114aea13ee9d00667312e4460225c17f1549283a1bb48c68

      SHA512

      d47a5bb8b0226fed6ba0b86d9a7fff7320e56f320293e677013a465b731b535edc4493df3d510cfe90e97b1129d3e77c723d47c5cb695b24b5dcdbf8aadc5d1e

    • C:\Users\Admin\AppData\Local\Temp\u1EJnjMs4F.bat

      Filesize

      248B

      MD5

      0e247291c823ecb69e1e88442973b85c

      SHA1

      a80570d8a09b1e7a71d5e01bb910a8bc76c54cf8

      SHA256

      cc1ad33d997b6db11ca9238a983fe60a0e2d6a20319242d574a92f48d1488c8b

      SHA512

      6dab142c0b7d2aeeaf327b7bd4941b4f168929d09cc6a7de4290cc19c9ef3bdf62d521c0ce0dd1fb67bb5b213d7a10ac4d4ccffb000e8bdc5f535bf53be9d63c

    • memory/436-66-0x0000000000000000-mapping.dmp

    • memory/1172-58-0x000000001AE70000-0x000000001AEC6000-memory.dmp

      Filesize

      344KB

    • memory/1172-54-0x00000000000D0000-0x0000000000344000-memory.dmp

      Filesize

      2.5MB

    • memory/1172-60-0x00000000009B0000-0x00000000009BE000-memory.dmp

      Filesize

      56KB

    • memory/1172-61-0x0000000000B80000-0x0000000000B88000-memory.dmp

      Filesize

      32KB

    • memory/1172-62-0x0000000002010000-0x0000000002018000-memory.dmp

      Filesize

      32KB

    • memory/1172-63-0x0000000002020000-0x000000000202C000-memory.dmp

      Filesize

      48KB

    • memory/1172-55-0x0000000000960000-0x000000000097C000-memory.dmp

      Filesize

      112KB

    • memory/1172-59-0x00000000009A0000-0x00000000009B2000-memory.dmp

      Filesize

      72KB

    • memory/1172-57-0x00000000004D0000-0x00000000004E2000-memory.dmp

      Filesize

      72KB

    • memory/1172-56-0x0000000000980000-0x0000000000996000-memory.dmp

      Filesize

      88KB

    • memory/1444-68-0x0000000000000000-mapping.dmp

    • memory/1444-70-0x0000000001050000-0x00000000012C4000-memory.dmp

      Filesize

      2.5MB

    • memory/1444-71-0x0000000000390000-0x00000000003A2000-memory.dmp

      Filesize

      72KB

    • memory/2008-64-0x0000000000000000-mapping.dmp