Analysis

  • max time kernel
    119s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    06-01-2025 19:14

General

  • Target

    3f259715f8b59d89ac6b64384ca7083bd393d91e499f8e1252d284147a91021d.exe

  • Size

    2.7MB

  • MD5

    d553e626715bbdc6ef966fb1cbc7e0ce

  • SHA1

    7dd91961404f829e09c288c7fccbc73867427677

  • SHA256

    3f259715f8b59d89ac6b64384ca7083bd393d91e499f8e1252d284147a91021d

  • SHA512

    478ab0da4b2f4cb11647783afed6bd52404fe2ddb198a5dc8de5846ec3406c6895365e13168fa9667c9af5c244fd772da1e716376eac656fdcb6836d74475d5a

  • SSDEEP

    49152:MDkZWCF2T8juUND4YQxZzfllulb0fnyN27mEGnjYEhQ+QK:t4CF2sjELplCbmyN27PxEhQ+

Malware Config

Signatures

  • DcRat

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

  • Dcrat family
  • Process spawned unexpected child process 36 IoCs

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

  • UAC bypass 3 TTPs 6 IoCs
  • DCRat payload 5 IoCs

    Detects payload of DCRat, commonly dropped by NSIS installers.

  • Executes dropped EXE 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 4 IoCs
  • Drops file in Program Files directory 20 IoCs
  • Drops file in Windows directory 10 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 36 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 6 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\3f259715f8b59d89ac6b64384ca7083bd393d91e499f8e1252d284147a91021d.exe
    "C:\Users\Admin\AppData\Local\Temp\3f259715f8b59d89ac6b64384ca7083bd393d91e499f8e1252d284147a91021d.exe"
    1⤵
    • UAC bypass
    • Checks whether UAC is enabled
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:848
    • C:\Recovery\480d7142-91a3-11ef-b9f6-6e5a89f5a3c7\lsm.exe
      "C:\Recovery\480d7142-91a3-11ef-b9f6-6e5a89f5a3c7\lsm.exe"
      2⤵
      • UAC bypass
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • System policy modification
      PID:2144
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsml" /sc MINUTE /mo 8 /tr "'C:\Recovery\480d7142-91a3-11ef-b9f6-6e5a89f5a3c7\lsm.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2956
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\Recovery\480d7142-91a3-11ef-b9f6-6e5a89f5a3c7\lsm.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2904
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsml" /sc MINUTE /mo 10 /tr "'C:\Recovery\480d7142-91a3-11ef-b9f6-6e5a89f5a3c7\lsm.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2916
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 14 /tr "'C:\Users\Admin\Desktop\Idle.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2144
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Users\Admin\Desktop\Idle.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2128
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 9 /tr "'C:\Users\Admin\Desktop\Idle.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1044
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "servicess" /sc MINUTE /mo 14 /tr "'C:\Recovery\480d7142-91a3-11ef-b9f6-6e5a89f5a3c7\services.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2748
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Recovery\480d7142-91a3-11ef-b9f6-6e5a89f5a3c7\services.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2688
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "servicess" /sc MINUTE /mo 14 /tr "'C:\Recovery\480d7142-91a3-11ef-b9f6-6e5a89f5a3c7\services.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2752
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 14 /tr "'C:\Users\Public\Downloads\WmiPrvSE.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2540
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WmiPrvSE" /sc ONLOGON /tr "'C:\Users\Public\Downloads\WmiPrvSE.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2744
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 7 /tr "'C:\Users\Public\Downloads\WmiPrvSE.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2736
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 9 /tr "'C:\Program Files\Windows Defender\it-IT\winlogon.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2756
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Program Files\Windows Defender\it-IT\winlogon.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1880
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 14 /tr "'C:\Program Files\Windows Defender\it-IT\winlogon.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3060
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 7 /tr "'C:\Program Files\Windows Media Player\Network Sharing\lsass.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:948
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Program Files\Windows Media Player\Network Sharing\lsass.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2992
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 12 /tr "'C:\Program Files\Windows Media Player\Network Sharing\lsass.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2784
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsml" /sc MINUTE /mo 5 /tr "'C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\lsm.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:320
  • 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
    • Scheduled Task/Job: Scheduled Task
    PID:1088
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsml" /sc MINUTE /mo 12 /tr "'C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\lsm.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3028
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 10 /tr "'C:\Windows\Fonts\spoolsv.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2544
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Windows\Fonts\spoolsv.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1808
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 11 /tr "'C:\Windows\Fonts\spoolsv.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1456
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 13 /tr "'C:\Windows\Installer\{90140000-002A-0000-1000-0000000FF1CE}\lsass.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2528
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Windows\Installer\{90140000-002A-0000-1000-0000000FF1CE}\lsass.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2344
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 9 /tr "'C:\Windows\Installer\{90140000-002A-0000-1000-0000000FF1CE}\lsass.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2412
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "3f259715f8b59d89ac6b64384ca7083bd393d91e499f8e1252d284147a91021d3" /sc MINUTE /mo 9 /tr "'C:\Program Files\Internet Explorer\3f259715f8b59d89ac6b64384ca7083bd393d91e499f8e1252d284147a91021d.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1628
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "3f259715f8b59d89ac6b64384ca7083bd393d91e499f8e1252d284147a91021d" /sc ONLOGON /tr "'C:\Program Files\Internet Explorer\3f259715f8b59d89ac6b64384ca7083bd393d91e499f8e1252d284147a91021d.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1920
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "3f259715f8b59d89ac6b64384ca7083bd393d91e499f8e1252d284147a91021d3" /sc MINUTE /mo 7 /tr "'C:\Program Files\Internet Explorer\3f259715f8b59d89ac6b64384ca7083bd393d91e499f8e1252d284147a91021d.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2452
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows Photo Viewer\it-IT\dwm.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3008
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Photo Viewer\it-IT\dwm.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2652
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Windows Photo Viewer\it-IT\dwm.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:796
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "servicess" /sc MINUTE /mo 10 /tr "'C:\Users\Default\NetHood\services.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:664
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Users\Default\NetHood\services.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:832
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "servicess" /sc MINUTE /mo 14 /tr "'C:\Users\Default\NetHood\services.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2044

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\lsm.exe

    Filesize

    2.7MB

    MD5

    ee5893d96a0324a8fa6a46c5521a3dee

    SHA1

    4f20efc22cd74ed1a20cb79a7e12b0be26ee3fdb

    SHA256

    d8bdb3600ad9f771f9fcecb71b8906c8f13982e21abb281c1bc727cde87454f8

    SHA512

    0f243b20049d259be28023095637a9c2b98e2e70ce9648aba498f0731588112a3e1c92171500dd73d4a4272b07b823fa0fd872e8264e49dc3da456eacb6f16bf

  • C:\Program Files\Windows Defender\it-IT\winlogon.exe

    Filesize

    2.7MB

    MD5

    d553e626715bbdc6ef966fb1cbc7e0ce

    SHA1

    7dd91961404f829e09c288c7fccbc73867427677

    SHA256

    3f259715f8b59d89ac6b64384ca7083bd393d91e499f8e1252d284147a91021d

    SHA512

    478ab0da4b2f4cb11647783afed6bd52404fe2ddb198a5dc8de5846ec3406c6895365e13168fa9667c9af5c244fd772da1e716376eac656fdcb6836d74475d5a

  • C:\Users\Default\AppData\Roaming\Microsoft\Windows\Network Shortcuts\services.exe

    Filesize

    2.7MB

    MD5

    dcb0a7758e68420bde802a72f7d90239

    SHA1

    c05bd42286fa68e898b44a10db23bf0b9564d593

    SHA256

    313da2a6436989f581b8d8d511bac8c96f381c16181deb537b40f68e19c7c440

    SHA512

    4a326d290511fc95676c0d4cf20efc013403810b85fbe99b6525fe455ca3c74777d405f3d5f59db9bd2cfd9a2df8570a988f46094add08eb16cbf368369f3490

  • memory/848-12-0x00000000004E0000-0x00000000004F2000-memory.dmp

    Filesize

    72KB

  • memory/848-13-0x00000000005E0000-0x00000000005E8000-memory.dmp

    Filesize

    32KB

  • memory/848-5-0x00000000003F0000-0x00000000003F8000-memory.dmp

    Filesize

    32KB

  • memory/848-6-0x0000000000480000-0x0000000000490000-memory.dmp

    Filesize

    64KB

  • memory/848-8-0x00000000004B0000-0x00000000004B8000-memory.dmp

    Filesize

    32KB

  • memory/848-7-0x0000000000490000-0x00000000004A6000-memory.dmp

    Filesize

    88KB

  • memory/848-9-0x00000000004C0000-0x00000000004CA000-memory.dmp

    Filesize

    40KB

  • memory/848-10-0x0000000000590000-0x00000000005E6000-memory.dmp

    Filesize

    344KB

  • memory/848-11-0x00000000004D0000-0x00000000004D8000-memory.dmp

    Filesize

    32KB

  • memory/848-0-0x000007FEF5FD3000-0x000007FEF5FD4000-memory.dmp

    Filesize

    4KB

  • memory/848-14-0x00000000005F0000-0x00000000005F8000-memory.dmp

    Filesize

    32KB

  • memory/848-4-0x00000000003D0000-0x00000000003EC000-memory.dmp

    Filesize

    112KB

  • memory/848-15-0x0000000000600000-0x000000000060C000-memory.dmp

    Filesize

    48KB

  • memory/848-16-0x0000000000610000-0x000000000061E000-memory.dmp

    Filesize

    56KB

  • memory/848-17-0x0000000000620000-0x000000000062C000-memory.dmp

    Filesize

    48KB

  • memory/848-18-0x0000000000630000-0x000000000063A000-memory.dmp

    Filesize

    40KB

  • memory/848-19-0x0000000000640000-0x000000000064C000-memory.dmp

    Filesize

    48KB

  • memory/848-3-0x00000000003C0000-0x00000000003CE000-memory.dmp

    Filesize

    56KB

  • memory/848-2-0x000007FEF5FD0000-0x000007FEF69BC000-memory.dmp

    Filesize

    9.9MB

  • memory/848-1-0x0000000000F40000-0x00000000011F4000-memory.dmp

    Filesize

    2.7MB

  • memory/848-178-0x000007FEF5FD3000-0x000007FEF5FD4000-memory.dmp

    Filesize

    4KB

  • memory/848-187-0x000007FEF5FD0000-0x000007FEF69BC000-memory.dmp

    Filesize

    9.9MB

  • memory/2144-186-0x00000000011A0000-0x0000000001454000-memory.dmp

    Filesize

    2.7MB