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Analysis

  • max time kernel
    139s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/10/2023, 18:29

General

  • Target

    NEAS.97869c1104303d30be81f74ce6fba3b0.exe

  • Size

    3.0MB

  • MD5

    97869c1104303d30be81f74ce6fba3b0

  • SHA1

    1a663d0fcaba36ba34007048f9b829ef1306662e

  • SHA256

    f914dd0ae7bfd6e26b2b41ea5fd5e68a3f0bd4f3404811a29a46429b71f8205c

  • SHA512

    058b48d071e67adae13ab783632f3dca73e52f22e9dafaa27a2e073dc55611c3ebb08057798b0586e61b2bcad4bf2b59262ffc7b07410e90bf4140ac89fa814c

  • SSDEEP

    98304:PM0woQggbNhWxU68v4Xi3yAbFwHTE9J/i:N0gOWfackHbFJH

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 36 IoCs

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

  • UAC bypass 3 TTPs 3 IoCs
  • DCRat payload 4 IoCs

    Detects payload of DCRat, commonly dropped by NSIS installers.

  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Drops file in Program Files directory 28 IoCs
  • Drops file in Windows directory 3 IoCs
  • Creates scheduled task(s) 1 TTPs 36 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • System policy modification 1 TTPs 3 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\NEAS.97869c1104303d30be81f74ce6fba3b0.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.97869c1104303d30be81f74ce6fba3b0.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
    • System policy modification
    PID:4308
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "NEAS.97869c1104303d30be81f74ce6fba3b0N" /sc MINUTE /mo 11 /tr "'C:\Program Files\WindowsPowerShell\Configuration\NEAS.97869c1104303d30be81f74ce6fba3b0.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:1500
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "NEAS.97869c1104303d30be81f74ce6fba3b0" /sc ONLOGON /tr "'C:\Program Files\WindowsPowerShell\Configuration\NEAS.97869c1104303d30be81f74ce6fba3b0.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:3496
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "NEAS.97869c1104303d30be81f74ce6fba3b0N" /sc MINUTE /mo 14 /tr "'C:\Program Files\WindowsPowerShell\Configuration\NEAS.97869c1104303d30be81f74ce6fba3b0.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:568
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\Idle.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:3576
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\Idle.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:1928
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\Idle.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:4540
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 13 /tr "'C:\Program Files\WindowsPowerShell\Modules\fontdrvhost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:3968
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Program Files\WindowsPowerShell\Modules\fontdrvhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:1216
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 10 /tr "'C:\Program Files\WindowsPowerShell\Modules\fontdrvhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:4768
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\wininit.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:4956
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:4976
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:2884
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\dwm.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:3408
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\dwm.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:5012
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\dwm.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:3904
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 9 /tr "'C:\odt\lsass.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:4888
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\odt\lsass.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:5020
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 11 /tr "'C:\odt\lsass.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:1328
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\StartMenuExperienceHost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:4716
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "StartMenuExperienceHost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\StartMenuExperienceHost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:4312
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\StartMenuExperienceHost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:1284
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 9 /tr "'C:\Program Files\Mozilla Firefox\defaults\RuntimeBroker.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:3540
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files\Mozilla Firefox\defaults\RuntimeBroker.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:4524
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 6 /tr "'C:\Program Files\Mozilla Firefox\defaults\RuntimeBroker.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:2904
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\MSBuild\csrss.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:2368
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files (x86)\MSBuild\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:4184
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\MSBuild\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:852
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "servicess" /sc MINUTE /mo 5 /tr "'C:\Program Files\7-Zip\Lang\services.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:2688
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Program Files\7-Zip\Lang\services.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:2780
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "servicess" /sc MINUTE /mo 10 /tr "'C:\Program Files\7-Zip\Lang\services.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:3208
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\sysmon.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:664
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sysmon" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\sysmon.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:1016
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\sysmon.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:4916
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 13 /tr "'C:\Windows\appcompat\appraiser\Telemetry\dwm.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:460
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Windows\appcompat\appraiser\Telemetry\dwm.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:4176
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 12 /tr "'C:\Windows\appcompat\appraiser\Telemetry\dwm.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:5048

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Recovery\WindowsRE\dwm.exe

    Filesize

    3.0MB

    MD5

    97869c1104303d30be81f74ce6fba3b0

    SHA1

    1a663d0fcaba36ba34007048f9b829ef1306662e

    SHA256

    f914dd0ae7bfd6e26b2b41ea5fd5e68a3f0bd4f3404811a29a46429b71f8205c

    SHA512

    058b48d071e67adae13ab783632f3dca73e52f22e9dafaa27a2e073dc55611c3ebb08057798b0586e61b2bcad4bf2b59262ffc7b07410e90bf4140ac89fa814c

  • memory/4308-0-0x0000000000880000-0x0000000000B8E000-memory.dmp

    Filesize

    3.1MB

  • memory/4308-1-0x00007FFD22CE0000-0x00007FFD237A1000-memory.dmp

    Filesize

    10.8MB

  • memory/4308-2-0x000000001B890000-0x000000001B8A0000-memory.dmp

    Filesize

    64KB

  • memory/4308-3-0x0000000002C00000-0x0000000002C0E000-memory.dmp

    Filesize

    56KB

  • memory/4308-4-0x0000000002C90000-0x0000000002CAC000-memory.dmp

    Filesize

    112KB

  • memory/4308-5-0x0000000002D00000-0x0000000002D50000-memory.dmp

    Filesize

    320KB

  • memory/4308-6-0x0000000002C70000-0x0000000002C78000-memory.dmp

    Filesize

    32KB

  • memory/4308-7-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

    Filesize

    64KB

  • memory/4308-8-0x0000000002CC0000-0x0000000002CD6000-memory.dmp

    Filesize

    88KB

  • memory/4308-9-0x0000000002CE0000-0x0000000002CE8000-memory.dmp

    Filesize

    32KB

  • memory/4308-10-0x0000000002CF0000-0x0000000002D02000-memory.dmp

    Filesize

    72KB

  • memory/4308-11-0x000000001B830000-0x000000001B840000-memory.dmp

    Filesize

    64KB

  • memory/4308-12-0x000000001B860000-0x000000001B86A000-memory.dmp

    Filesize

    40KB

  • memory/4308-13-0x000000001BFA0000-0x000000001BFF6000-memory.dmp

    Filesize

    344KB

  • memory/4308-14-0x000000001B840000-0x000000001B84C000-memory.dmp

    Filesize

    48KB

  • memory/4308-15-0x000000001B850000-0x000000001B858000-memory.dmp

    Filesize

    32KB

  • memory/4308-16-0x000000001B870000-0x000000001B87C000-memory.dmp

    Filesize

    48KB

  • memory/4308-17-0x000000001B880000-0x000000001B892000-memory.dmp

    Filesize

    72KB

  • memory/4308-18-0x000000001C540000-0x000000001CA68000-memory.dmp

    Filesize

    5.2MB

  • memory/4308-19-0x000000001C010000-0x000000001C01C000-memory.dmp

    Filesize

    48KB

  • memory/4308-20-0x000000001C020000-0x000000001C02C000-memory.dmp

    Filesize

    48KB

  • memory/4308-21-0x000000001C230000-0x000000001C238000-memory.dmp

    Filesize

    32KB

  • memory/4308-22-0x000000001C280000-0x000000001C28A000-memory.dmp

    Filesize

    40KB

  • memory/4308-23-0x000000001C290000-0x000000001C29E000-memory.dmp

    Filesize

    56KB

  • memory/4308-24-0x00007FFD22CE0000-0x00007FFD237A1000-memory.dmp

    Filesize

    10.8MB

  • memory/4308-27-0x000000001C2B0000-0x000000001C2B8000-memory.dmp

    Filesize

    32KB

  • memory/4308-28-0x000000001B890000-0x000000001B8A0000-memory.dmp

    Filesize

    64KB

  • memory/4308-26-0x000000001C2A0000-0x000000001C2AE000-memory.dmp

    Filesize

    56KB

  • memory/4308-25-0x000000001B890000-0x000000001B8A0000-memory.dmp

    Filesize

    64KB

  • memory/4308-29-0x000000001C2C0000-0x000000001C2CC000-memory.dmp

    Filesize

    48KB

  • memory/4308-32-0x000000001B890000-0x000000001B8A0000-memory.dmp

    Filesize

    64KB

  • memory/4308-33-0x000000001B890000-0x000000001B8A0000-memory.dmp

    Filesize

    64KB

  • memory/4308-34-0x000000001B890000-0x000000001B8A0000-memory.dmp

    Filesize

    64KB

  • memory/4308-41-0x000000001CA70000-0x000000001CB70000-memory.dmp

    Filesize

    1024KB

  • memory/4308-44-0x000000001CA70000-0x000000001CB70000-memory.dmp

    Filesize

    1024KB

  • memory/4308-59-0x000000001B890000-0x000000001B8A0000-memory.dmp

    Filesize

    64KB

  • memory/4308-60-0x000000001B890000-0x000000001B8A0000-memory.dmp

    Filesize

    64KB

  • memory/4308-61-0x000000001B890000-0x000000001B8A0000-memory.dmp

    Filesize

    64KB

  • memory/4308-62-0x000000001B890000-0x000000001B8A0000-memory.dmp

    Filesize

    64KB

  • memory/4308-63-0x000000001CA70000-0x000000001CB70000-memory.dmp

    Filesize

    1024KB

  • memory/4308-64-0x000000001CA70000-0x000000001CB70000-memory.dmp

    Filesize

    1024KB

  • memory/4308-65-0x000000001CA70000-0x000000001CB70000-memory.dmp

    Filesize

    1024KB

  • memory/4308-66-0x000000001CA70000-0x000000001CB70000-memory.dmp

    Filesize

    1024KB

  • memory/4308-67-0x000000001B890000-0x000000001B8A0000-memory.dmp

    Filesize

    64KB

  • memory/4308-68-0x000000001CA70000-0x000000001CB70000-memory.dmp

    Filesize

    1024KB

  • memory/4308-69-0x000000001B890000-0x000000001B8A0000-memory.dmp

    Filesize

    64KB

  • memory/4308-70-0x000000001CA70000-0x000000001CB70000-memory.dmp

    Filesize

    1024KB

  • memory/4308-74-0x000000001CA70000-0x000000001CB70000-memory.dmp

    Filesize

    1024KB

  • memory/4308-88-0x000000001CA70000-0x000000001CB70000-memory.dmp

    Filesize

    1024KB

  • memory/4308-96-0x000000001B890000-0x000000001B8A0000-memory.dmp

    Filesize

    64KB

  • memory/4308-97-0x000000001CA70000-0x000000001CB70000-memory.dmp

    Filesize

    1024KB

  • memory/4308-101-0x000000001B890000-0x000000001B8A0000-memory.dmp

    Filesize

    64KB

  • memory/4308-109-0x000000001B890000-0x000000001B8A0000-memory.dmp

    Filesize

    64KB

  • memory/4308-110-0x000000001CA70000-0x000000001CB70000-memory.dmp

    Filesize

    1024KB

  • memory/4308-111-0x000000001B890000-0x000000001B8A0000-memory.dmp

    Filesize

    64KB

  • memory/4308-112-0x000000001B890000-0x000000001B8A0000-memory.dmp

    Filesize

    64KB

  • memory/4308-120-0x000000001CA70000-0x000000001CB70000-memory.dmp

    Filesize

    1024KB

  • memory/4308-121-0x000000001CA70000-0x000000001CB70000-memory.dmp

    Filesize

    1024KB

  • memory/4308-122-0x000000001CA70000-0x000000001CB70000-memory.dmp

    Filesize

    1024KB

  • memory/4308-123-0x000000001CA70000-0x000000001CB70000-memory.dmp

    Filesize

    1024KB

  • memory/4308-124-0x000000001B890000-0x000000001B8A0000-memory.dmp

    Filesize

    64KB

  • memory/4308-157-0x000000001B890000-0x000000001B8A0000-memory.dmp

    Filesize

    64KB

  • memory/4308-158-0x000000001B890000-0x000000001B8A0000-memory.dmp

    Filesize

    64KB

  • memory/4308-173-0x00007FFD22CE0000-0x00007FFD237A1000-memory.dmp

    Filesize

    10.8MB