Analysis
-
max time kernel
117s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16-11-2024 16:36
Static task
static1
Behavioral task
behavioral1
Sample
24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe
Resource
win10v2004-20241007-en
General
-
Target
24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe
-
Size
775KB
-
MD5
0ed1f9cb842483e03e36cee538678ffd
-
SHA1
1d13a84aa671b75f66f4c7fce8339619291d4a43
-
SHA256
24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc
-
SHA512
78cb214db0ecbc532a50fc1344a138125e0031485c004e95bc21064165f9fd667fa582cd5196a6e1b4276b6dd7fa1d23dfabfe0c58b0d93fbf8e5329b064a809
-
SSDEEP
12288:FFg6HIZxWaga+z9e9qJeyLVqlUhqgPXdU2ypi0w8ncqXuvVw4heSNSzLz/:FIrr+h0qJeiqlGVUskcz9w4jI3b
Malware Config
Signatures
-
DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
-
Dcrat family
-
resource yara_rule behavioral2/memory/1684-12-0x0000000000400000-0x0000000000478000-memory.dmp dcrat -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2580 powershell.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe -
Executes dropped EXE 1 IoCs
pid Process 4072 WmiPrvSE.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\wbem\OfflineFilesConfigurationWmiProvider\WmiPrvSE.exe 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe File created C:\Windows\SysWOW64\wbem\OfflineFilesConfigurationWmiProvider\24dbde2999530ef5fd907494bc374d663924116c 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3964 set thread context of 1684 3964 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 105 -
Drops file in Program Files directory 4 IoCs
description ioc Process File created C:\Program Files\Windows Portable Devices\ee2ad38f3d43822fe0c92830b00d06adc71395d2 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-synch-l1-2-0\OfficeClickToRun.exe 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-synch-l1-2-0\e6c9b481da804f07baff8eff543b0a1441069b5d 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe File created C:\Program Files\Windows Portable Devices\Registry.exe 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 12 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language chcp.com Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WmiPrvSE.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1040 PING.EXE -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000_Classes\Local Settings 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1040 PING.EXE -
Scheduled Task/Job: Scheduled Task 1 TTPs 5 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1564 schtasks.exe 2460 schtasks.exe 1644 schtasks.exe 3124 schtasks.exe 3384 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 3964 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 3964 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 2580 powershell.exe 2580 powershell.exe 1684 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3964 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe Token: SeDebugPrivilege 2580 powershell.exe Token: SeDebugPrivilege 1684 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe -
Suspicious use of WriteProcessMemory 41 IoCs
description pid Process procid_target PID 3964 wrote to memory of 2580 3964 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 102 PID 3964 wrote to memory of 2580 3964 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 102 PID 3964 wrote to memory of 2580 3964 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 102 PID 3964 wrote to memory of 2396 3964 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 103 PID 3964 wrote to memory of 2396 3964 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 103 PID 3964 wrote to memory of 2396 3964 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 103 PID 3964 wrote to memory of 1684 3964 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 105 PID 3964 wrote to memory of 1684 3964 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 105 PID 3964 wrote to memory of 1684 3964 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 105 PID 3964 wrote to memory of 1684 3964 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 105 PID 3964 wrote to memory of 1684 3964 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 105 PID 3964 wrote to memory of 1684 3964 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 105 PID 3964 wrote to memory of 1684 3964 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 105 PID 3964 wrote to memory of 1684 3964 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 105 PID 1684 wrote to memory of 1564 1684 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 108 PID 1684 wrote to memory of 1564 1684 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 108 PID 1684 wrote to memory of 1564 1684 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 108 PID 1684 wrote to memory of 2460 1684 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 110 PID 1684 wrote to memory of 2460 1684 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 110 PID 1684 wrote to memory of 2460 1684 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 110 PID 1684 wrote to memory of 1644 1684 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 112 PID 1684 wrote to memory of 1644 1684 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 112 PID 1684 wrote to memory of 1644 1684 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 112 PID 1684 wrote to memory of 3124 1684 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 114 PID 1684 wrote to memory of 3124 1684 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 114 PID 1684 wrote to memory of 3124 1684 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 114 PID 1684 wrote to memory of 3384 1684 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 116 PID 1684 wrote to memory of 3384 1684 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 116 PID 1684 wrote to memory of 3384 1684 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 116 PID 1684 wrote to memory of 1804 1684 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 118 PID 1684 wrote to memory of 1804 1684 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 118 PID 1684 wrote to memory of 1804 1684 24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe 118 PID 1804 wrote to memory of 3148 1804 cmd.exe 120 PID 1804 wrote to memory of 3148 1804 cmd.exe 120 PID 1804 wrote to memory of 3148 1804 cmd.exe 120 PID 1804 wrote to memory of 1040 1804 cmd.exe 121 PID 1804 wrote to memory of 1040 1804 cmd.exe 121 PID 1804 wrote to memory of 1040 1804 cmd.exe 121 PID 1804 wrote to memory of 4072 1804 cmd.exe 123 PID 1804 wrote to memory of 4072 1804 cmd.exe 123 PID 1804 wrote to memory of 4072 1804 cmd.exe 123
Processes
-
C:\Users\Admin\AppData\Local\Temp\24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe"C:\Users\Admin\AppData\Local\Temp\24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3964 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2580
-
-
C:\Users\Admin\AppData\Local\Temp\24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe"C:\Users\Admin\AppData\Local\Temp\24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe"2⤵PID:2396
-
-
C:\Users\Admin\AppData\Local\Temp\24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe"C:\Users\Admin\AppData\Local\Temp\24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe"2⤵
- Checks computer location settings
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1684 -
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "unsecapp" /sc ONLOGON /tr "'C:\Documents and Settings\unsecapp.exe'" /rl HIGHEST /f3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1564
-
-
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "Registry" /sc ONLOGON /tr "'C:\Program Files\Windows Portable Devices\Registry.exe'" /rl HIGHEST /f3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2460
-
-
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "SppExtComObj" /sc ONLOGON /tr "'C:\Documents and Settings\SppExtComObj.exe'" /rl HIGHEST /f3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1644
-
-
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-synch-l1-2-0\OfficeClickToRun.exe'" /rl HIGHEST /f3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3124
-
-
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "WmiPrvSE" /sc ONLOGON /tr "'C:\Windows\System32\wbem\OfflineFilesConfigurationWmiProvider\WmiPrvSE.exe'" /rl HIGHEST /f3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3384
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\PdezCDEWUv.bat"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1804 -
C:\Windows\SysWOW64\chcp.comchcp 650014⤵
- System Location Discovery: System Language Discovery
PID:3148
-
-
C:\Windows\SysWOW64\PING.EXEping -n 5 localhost4⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:1040
-
-
C:\Windows\SysWOW64\wbem\OfflineFilesConfigurationWmiProvider\WmiPrvSE.exe"C:\Windows\System32\wbem\OfflineFilesConfigurationWmiProvider\WmiPrvSE.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4072
-
-
-
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc.exe.log
Filesize1KB
MD584e77a587d94307c0ac1357eb4d3d46f
SHA183cc900f9401f43d181207d64c5adba7a85edc1e
SHA256e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99
SHA512aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691
-
Filesize
240B
MD5262fdfb700292b55460943bcf1ab7928
SHA1b48e921acbd3d3f5a20dff045f5a69f25da79eee
SHA256b27ccec49e21adb9bac1df024d6ebb42e22bfe68cf4b4c70b193dfa9e9df3ad4
SHA5127b741d14a48619f4b4090abd6c0d27354a5082c22194eaf4031adf1461b355e61e08bc71ba8b1c0d4709dc5d3cb02f7137238955b13ec5aaf508951f3c95131a
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
775KB
MD50ed1f9cb842483e03e36cee538678ffd
SHA11d13a84aa671b75f66f4c7fce8339619291d4a43
SHA25624f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc
SHA51278cb214db0ecbc532a50fc1344a138125e0031485c004e95bc21064165f9fd667fa582cd5196a6e1b4276b6dd7fa1d23dfabfe0c58b0d93fbf8e5329b064a809