dcrat | 55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddc

Resubmissions

13/01/2025, 05:27

250113-f5d5lszrem 10

12/01/2025, 20:07

250112-yv3pbszlel 10

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12/01/2025, 20:07

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General

Target

55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
Size

1.7MB
MD5

2709efc85a850a7ddb9ec3d228ef6640
SHA1

010165c876f030f0158b09d20af67238b954af66
SHA256

55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddc
SHA512

de2741c12710609eb94a420ca2ff139d10e3783ced7ec827b3f30cba6824a81c23b2e8608fe3725f26c7beb816884720fcef689b9c78a4150228772352772de1
SSDEEP

24576:t3QwuLyEbVoCtPreIjNLoN/VNGeSQDx1m17zezKOkCzeJGFUJ:tgwuuEpdDLNwVMeXDL0fdSzAG

Score

10^/10

dcrat execution infostealer rat

Malware Config

Signatures

DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
rat infostealer dcrat
Dcrat family
dcrat

Process spawned unexpected child process 15 IoCs

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

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3588	4248	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2608	4248	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3816	4248	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	620	4248	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1704	4248	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3976	4248	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1136	4248	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3152	4248	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4076	4248	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4148	4248	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2892	4248	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1012	4248	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2056	4248	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5064	4248	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3860	4248	schtasks.exe	82

DCRat payload 5 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral2/memory/2164-1-0x0000000000610000-0x00000000007C6000-memory.dmp	dcrat
behavioral2/files/0x000a000000023b86-30.dat	dcrat
behavioral2/files/0x000c000000023b8a-45.dat	dcrat
behavioral2/files/0x000d000000023b77-56.dat	dcrat
behavioral2/files/0x000d000000023b7e-78.dat	dcrat

Command and Scripting Interpreter: PowerShell 1 TTPs 11 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1404	powershell.exe
4476	powershell.exe
3356	powershell.exe
4460	powershell.exe
3956	powershell.exe
4572	powershell.exe
3128	powershell.exe
2168	powershell.exe
2596	powershell.exe
2952	powershell.exe
2260	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	spoolsv.exe

Executes dropped EXE 2 IoCs

pid	Process
2592	spoolsv.exe
1460	spoolsv.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\MSBuild\Microsoft\spoolsv.exe	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
File created	C:\Program Files (x86)\MSBuild\Microsoft\f3b6ecef712a24	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
File opened for modification	C:\Program Files (x86)\MSBuild\Microsoft\RCX7D39.tmp	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
File opened for modification	C:\Program Files (x86)\MSBuild\Microsoft\RCX7D3A.tmp	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
File opened for modification	C:\Program Files (x86)\MSBuild\Microsoft\spoolsv.exe	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\WinSxS\amd64_microsoft-windows-userenv.resources_31bf3856ad364e35_10.0.19041.1_en-us_79e35164c2cf79d2\lsass.exe	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings	spoolsv.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 15 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
3976	schtasks.exe
5064	schtasks.exe
2608	schtasks.exe
4076	schtasks.exe
1012	schtasks.exe
3860	schtasks.exe
1136	schtasks.exe
3152	schtasks.exe
4148	schtasks.exe
3588	schtasks.exe
3816	schtasks.exe
620	schtasks.exe
1704	schtasks.exe
2892	schtasks.exe
2056	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
2596	powershell.exe
2596	powershell.exe
4476	powershell.exe
4476	powershell.exe
4572	powershell.exe
4572	powershell.exe
4460	powershell.exe
4460	powershell.exe
2260	powershell.exe
2260	powershell.exe
2168	powershell.exe
2168	powershell.exe
3956	powershell.exe
3956	powershell.exe
2952	powershell.exe
2952	powershell.exe
3128	powershell.exe
3128	powershell.exe
1404	powershell.exe
1404	powershell.exe
3356	powershell.exe
3356	powershell.exe
3356	powershell.exe
2596	powershell.exe
4476	powershell.exe
2168	powershell.exe
4460	powershell.exe
3956	powershell.exe
2952	powershell.exe
3128	powershell.exe
1404	powershell.exe
4572	powershell.exe
2260	powershell.exe
2592	spoolsv.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

description	pid	Process
Token: SeDebugPrivilege	2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
Token: SeDebugPrivilege	2596	powershell.exe
Token: SeDebugPrivilege	4476	powershell.exe
Token: SeDebugPrivilege	4572	powershell.exe
Token: SeDebugPrivilege	4460	powershell.exe
Token: SeDebugPrivilege	3356	powershell.exe
Token: SeDebugPrivilege	2260	powershell.exe
Token: SeDebugPrivilege	2168	powershell.exe
Token: SeDebugPrivilege	3956	powershell.exe
Token: SeDebugPrivilege	1404	powershell.exe
Token: SeDebugPrivilege	2952	powershell.exe
Token: SeDebugPrivilege	3128	powershell.exe
Token: SeDebugPrivilege	2592	spoolsv.exe
Token: SeDebugPrivilege	1460	spoolsv.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2164 wrote to memory of 4460	2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe	98
PID 2164 wrote to memory of 4460	2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe	98
PID 2164 wrote to memory of 3956	2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe	99
PID 2164 wrote to memory of 3956	2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe	99
PID 2164 wrote to memory of 4572	2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe	100
PID 2164 wrote to memory of 4572	2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe	100
PID 2164 wrote to memory of 2168	2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe	101
PID 2164 wrote to memory of 2168	2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe	101
PID 2164 wrote to memory of 2596	2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe	102
PID 2164 wrote to memory of 2596	2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe	102
PID 2164 wrote to memory of 3128	2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe	103
PID 2164 wrote to memory of 3128	2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe	103
PID 2164 wrote to memory of 2952	2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe	104
PID 2164 wrote to memory of 2952	2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe	104
PID 2164 wrote to memory of 1404	2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe	105
PID 2164 wrote to memory of 1404	2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe	105
PID 2164 wrote to memory of 4476	2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe	106
PID 2164 wrote to memory of 4476	2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe	106
PID 2164 wrote to memory of 2260	2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe	107
PID 2164 wrote to memory of 2260	2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe	107
PID 2164 wrote to memory of 3356	2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe	108
PID 2164 wrote to memory of 3356	2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe	108
PID 2164 wrote to memory of 2588	2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe	120
PID 2164 wrote to memory of 2588	2164	55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe	120
PID 2588 wrote to memory of 3036	2588	cmd.exe	122
PID 2588 wrote to memory of 3036	2588	cmd.exe	122
PID 2588 wrote to memory of 2592	2588	cmd.exe	126
PID 2588 wrote to memory of 2592	2588	cmd.exe	126
PID 2592 wrote to memory of 3616	2592	spoolsv.exe	127
PID 2592 wrote to memory of 3616	2592	spoolsv.exe	127
PID 2592 wrote to memory of 1624	2592	spoolsv.exe	128
PID 2592 wrote to memory of 1624	2592	spoolsv.exe	128
PID 3616 wrote to memory of 1460	3616	WScript.exe	134
PID 3616 wrote to memory of 1460	3616	WScript.exe	134

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.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe
"C:\Users\Admin\AppData\Local\Temp\55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddcN.exe"
1⤵
- Drops file in Drivers directory
- Checks computer location settings
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2164
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4460
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/$Recycle.Bin/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3956
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Documents and Settings/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4572
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/PerfLogs/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2168
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2596
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files (x86)/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3128
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/ProgramData/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2952
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Recovery/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1404
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/System Volume Information/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4476
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Users/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2260
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Windows/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3356
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\B4hp44X5ex.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2588
- - C:\Windows\system32\w32tm.exe
    w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
    3⤵
    PID:3036
- - C:\Program Files (x86)\MSBuild\Microsoft\spoolsv.exe
    "C:\Program Files (x86)\MSBuild\Microsoft\spoolsv.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2592
  - - C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\c0cbf50b-89f4-4f3c-8101-33aa4a712118.vbs"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3616
    - - C:\Program Files (x86)\MSBuild\Microsoft\spoolsv.exe
        
        "C:\Program Files (x86)\MSBuild\Microsoft\spoolsv.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of AdjustPrivilegeToken
        
        PID:1460
  - - C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\3da98fa1-ed51-4ac1-a800-e03cc5a9d38f.vbs"
      4⤵
      PID:1624

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3588

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2608

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3816

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 8 /tr "'C:\Users\Default\RuntimeBroker.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:620

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Users\Default\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1704

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 11 /tr "'C:\Users\Default\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3976

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 13 /tr "'C:\Users\Admin\AppData\LocalLow\fontdrvhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1136

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Users\Admin\AppData\LocalLow\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3152

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 10 /tr "'C:\Users\Admin\AppData\LocalLow\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4076

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 5 /tr "'C:\Users\Public\Downloads\RuntimeBroker.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4148

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Users\Public\Downloads\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2892

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 7 /tr "'C:\Users\Public\Downloads\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1012

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\MSBuild\Microsoft\spoolsv.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2056

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Program Files (x86)\MSBuild\Microsoft\spoolsv.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5064

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\MSBuild\Microsoft\spoolsv.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\MSBuild\Microsoft\spoolsv.exe

Filesize
1.7MB

MD5
2709efc85a850a7ddb9ec3d228ef6640

SHA1
010165c876f030f0158b09d20af67238b954af66

SHA256
55ef6c766af0ded94cf6feaa0a5b53d332ebb01e05e6dcdee03ec92bc2421ddc

SHA512
de2741c12710609eb94a420ca2ff139d10e3783ced7ec827b3f30cba6824a81c23b2e8608fe3725f26c7beb816884720fcef689b9c78a4150228772352772de1

Download Submit
C:\Recovery\WindowsRE\fontdrvhost.exe

Filesize
1.7MB

MD5
c2858e70cdbeeb7a1dff04c7d3e0e51e

SHA1
fc3721bb0bcb4cdb941b6546cb3ff00a268d08da

SHA256
6917ccffecd13b5a062c1a536a30bb4936222cfc7bd8fec676e78cbbd5d0c837

SHA512
bb0e91fc7b16a0bb407bfdf3796cdf0574dd30a37d08fa90b381bfa2910b7fcdadff368c7bdf42631c686f406e10f92d0aa5a77b1f3bc254f4a45092ad7da125

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\spoolsv.exe.log

Filesize
1KB

MD5
3ad9a5252966a3ab5b1b3222424717be

SHA1
5397522c86c74ddbfb2585b9613c794f4b4c3410

SHA256
27525f5fc7871c6828ab5173315e95b5c7e918d2ee532781c562c378584b5249

SHA512
b1a745f7a0f33b777ffc34f74f42752144d9f2d06b8bc613e703570494762b3af87e153212c3274b18af14f17b8619e2f350b7c3cc11228f7d4208d4251e90e6

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
59d97011e091004eaffb9816aa0b9abd

SHA1
1602a56b01dd4b7c577ca27d3117e4bcc1aa657b

SHA256
18f381e0db020a763b8c515c346ef58679ab9c403267eacfef5359e272f7e71d

SHA512
d9ca49c1a17580981e2c1a50d73c0eecaa7a62f8514741512172e395af2a3d80aeb0f71c58bc7f52c18246d57ba67af09b6bff4776877d6cc6f0245c30e092d6

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
77d622bb1a5b250869a3238b9bc1402b

SHA1
d47f4003c2554b9dfc4c16f22460b331886b191b

SHA256
f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

SHA512
d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
6d3e9c29fe44e90aae6ed30ccf799ca8

SHA1
c7974ef72264bbdf13a2793ccf1aed11bc565dce

SHA256
2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

SHA512
60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
cadef9abd087803c630df65264a6c81c

SHA1
babbf3636c347c8727c35f3eef2ee643dbcc4bd2

SHA256
cce65b73cdfe9304bcd5207913e8b60fb69faa20cd3b684f2b0343b755b99438

SHA512
7278aa87124abb382d9024a645e881e7b7cf1b84e8894943b36e018dbf0399e6858392f77980b599fa5488e2e21bf757a0702fe6419417edac93b68e0c2ec085

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
476B

MD5
94b74b652d450ee2c189aebcb09d7c21

SHA1
42b47a81fa567e96050690bbd70260c2377e877d

SHA256
92081d61d7e608f3f7517f30382175f460b028beb3cc96924c062dff442bb9d3

SHA512
0f09468f6538ac164251c1d23932f2ca59405526f43030168367f0c1db17199fc5e0e9c103747bd40be93fcea1bb8d0aac8c816d78065f6de5c00e198d423566

Download Submit
C:\Users\Admin\AppData\Local\Temp\3da98fa1-ed51-4ac1-a800-e03cc5a9d38f.vbs

Filesize
504B

MD5
7296aa2ddd5e4d0ce2a88c6d4245db7b

SHA1
c8e255453dd8eb4724b9418d91f582ee9f4453c0

SHA256
37ab4f4e3f57403b4da7003bd6ee141f9cf677c9993ceb113267d37e77b775eb

SHA512
d2344709d03f2c7e7222e88be4b4c7887943e3e1c17a68a06ac7f262acf8af692401e800b482d6bddd8adfbb666b6899e3af5ad52219f05675b6fec88578cfc1

Download Submit
C:\Users\Admin\AppData\Local\Temp\B4hp44X5ex.bat

Filesize
217B

MD5
78a09508ef0ada76a893ea6c3b145a6e

SHA1
ea224cd1aa72e432da3ad8b9cbd047b239e27665

SHA256
255d78a0f1f017c62bbd7de512e0f34d3e2062773202baeea93112d8142ad638

SHA512
997caf78ab9e9448d933fb77c6d4d7fa334efb811bb795c0ba3f89abf78966bc1d8004ad1d031ff9d50fe811a6901d0c2c9ce7bbdb5d1130401fa7b4d619b93f

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_j43kordi.npa.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\c0cbf50b-89f4-4f3c-8101-33aa4a712118.vbs

Filesize
728B

MD5
1e7d290f5442b9a48c055467953f3271

SHA1
2604fd6df568f38941e9c8d5c41a3362ebe3715d

SHA256
27dcab712aec8fbc38fef5ffc69f912ed01f9a9f54c7245e5bcb1bd723e6d550

SHA512
19c05f0659e5f6efb1f284660113362ea152eac15d27d87f721020867b1fe14f9c664c01ab329434a2fedfd89897cac8d2ad404576cda51296d0b2feb85a0fb7

Download Submit
C:\Users\Default\RuntimeBroker.exe

Filesize
1.7MB

MD5
14b65ba448c4b7033fe32e22e327d331

SHA1
2dce5321abe216ccd02bc011490c21acf66365b9

SHA256
a92ed309011dabb4845ceff2743a5ea28316872c5649833500eac8a545e2e5e4

SHA512
b55c94adaf3a2b2a1dab0f38de43013277aaaa27bddde8103d6e160f6e5bbae9173d28beba10e58f9ad50685a8452f332e39068ee6dcfedeebe88d81463870e2

Download Submit
C:\Users\Public\Downloads\RuntimeBroker.exe

Filesize
1.7MB

MD5
99bb625db3b39f6b524ae7570b0782cc

SHA1
44f24f35d12d215d5e2a9d88d0b2a09f94750a6c

SHA256
1538cfe136a0d2a56ae98500ca4343f01556a7d8d41caf53dbe3088194964614

SHA512
584110e6b2308037e145d9cf053387bb2bc41fde0f07122d97803d5f8696c2f32f57b0d0a10f300ed618a73e847e33fba9f4efcbe0024e99fc8e50ba66234fdd

Download Submit
memory/2164-9-0x000000001B340000-0x000000001B350000-memory.dmp

Filesize
64KB

Download
memory/2164-100-0x00007FFD47820000-0x00007FFD482E1000-memory.dmp

Filesize
10.8MB

Download
memory/2164-18-0x000000001BE60000-0x000000001BE6C000-memory.dmp

Filesize
48KB

Download
memory/2164-19-0x00007FFD47820000-0x00007FFD482E1000-memory.dmp

Filesize
10.8MB

Download
memory/2164-22-0x00007FFD47820000-0x00007FFD482E1000-memory.dmp

Filesize
10.8MB

Download
memory/2164-23-0x00007FFD47820000-0x00007FFD482E1000-memory.dmp

Filesize
10.8MB

Download
memory/2164-16-0x000000001B490000-0x000000001B498000-memory.dmp

Filesize
32KB

Download
memory/2164-17-0x000000001B4A0000-0x000000001B4AC000-memory.dmp

Filesize
48KB

Download
memory/2164-14-0x000000001BE50000-0x000000001BE5C000-memory.dmp

Filesize
48KB

Download
memory/2164-13-0x000000001B360000-0x000000001B36C000-memory.dmp

Filesize
48KB

Download
memory/2164-93-0x00007FFD47823000-0x00007FFD47825000-memory.dmp

Filesize
8KB

Download
memory/2164-15-0x000000001B480000-0x000000001B48A000-memory.dmp

Filesize
40KB

Download
memory/2164-11-0x000000001B350000-0x000000001B358000-memory.dmp

Filesize
32KB

Download
memory/2164-1-0x0000000000610000-0x00000000007C6000-memory.dmp

Filesize
1.7MB

Download
memory/2164-10-0x000000001B330000-0x000000001B33C000-memory.dmp

Filesize
48KB

Download
memory/2164-0-0x00007FFD47823000-0x00007FFD47825000-memory.dmp

Filesize
8KB

Download
memory/2164-4-0x000000001BAC0000-0x000000001BB10000-memory.dmp

Filesize
320KB

Download
memory/2164-5-0x00000000029C0000-0x00000000029C8000-memory.dmp

Filesize
32KB

Download
memory/2164-6-0x00000000029D0000-0x00000000029E0000-memory.dmp

Filesize
64KB

Download
memory/2164-7-0x000000001B300000-0x000000001B316000-memory.dmp

Filesize
88KB

Download
memory/2164-8-0x000000001B320000-0x000000001B332000-memory.dmp

Filesize
72KB

Download
memory/2164-3-0x0000000002990000-0x00000000029AC000-memory.dmp

Filesize
112KB

Download
memory/2164-2-0x00007FFD47820000-0x00007FFD482E1000-memory.dmp

Filesize
10.8MB

Download
memory/2596-106-0x00000212E8D50000-0x00000212E8D72000-memory.dmp

Filesize
136KB

Download