dcrat | d5ee74f4f460c4f861c01ecc3e22b679075949108b6fee594193695d4175d562

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-11-2024 03:31

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General

Target

CE2EC4539435DFEAC7E246FE5565C521.exe
Size

2.9MB
MD5

ce2ec4539435dfeac7e246fe5565c521
SHA1

59f3da006005a109914c31b5d5cd94dc4c93309c
SHA256

d5ee74f4f460c4f861c01ecc3e22b679075949108b6fee594193695d4175d562
SHA512

408a1db2cd98702bca3811e124d78a56cbca79a1d200593759bde1947a4a599f8cd40cd8dbb2e7be7dec416e3f5de0c4466f98ddea1daf6d313671695f25a7ba
SSDEEP

49152:6h/814lignPl1s5Cp5+tOCiqgc8I7uBiYUtGGirMn0JkH4SwiLwRktMtL+CsA7Z:6h/8Hgn9u4P+l8I7uB6db0JhAw6tMtLr

Score

10^/10

dcrat execution infostealer persistence 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

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Steam\\steamclient.exe\""	CE2EC4539435DFEAC7E246FE5565C521.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Steam\\steamclient.exe\", \"C:\\Users\\Admin\\AppData\\Local\\Temp\\CE2EC4539435DFEAC7E246FE5565C521.exe\""	CE2EC4539435DFEAC7E246FE5565C521.exe

Process spawned unexpected child process 6 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	480	1940	schtasks.exe	28
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2796	1940	schtasks.exe	28
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2800	1940	schtasks.exe	28
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2096	1940	schtasks.exe	28
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2044	1940	schtasks.exe	28
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	328	1940	schtasks.exe	28

Command and Scripting Interpreter: PowerShell 1 TTPs 14 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2612	powershell.exe
2588	powershell.exe
2484	powershell.exe
2724	powershell.exe
1016	powershell.exe
2676	powershell.exe
800	powershell.exe
2700	powershell.exe
2984	powershell.exe
2012	powershell.exe
2092	powershell.exe
2480	powershell.exe
2548	powershell.exe
352	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
2784	steamclient.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\steamclient = "\"C:\\Program Files (x86)\\Steam\\steamclient.exe\""	CE2EC4539435DFEAC7E246FE5565C521.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\steamclient = "\"C:\\Program Files (x86)\\Steam\\steamclient.exe\""	CE2EC4539435DFEAC7E246FE5565C521.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\CE2EC4539435DFEAC7E246FE5565C521 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\CE2EC4539435DFEAC7E246FE5565C521.exe\""	CE2EC4539435DFEAC7E246FE5565C521.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CE2EC4539435DFEAC7E246FE5565C521 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\CE2EC4539435DFEAC7E246FE5565C521.exe\""	CE2EC4539435DFEAC7E246FE5565C521.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	\??\c:\Windows\System32\CSCB32719BC980543A78AE64AA8AE9699C.TMP	csc.exe
File created	\??\c:\Windows\System32\byyuy-.exe	csc.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Steam\steamclient.exe	CE2EC4539435DFEAC7E246FE5565C521.exe
File opened for modification	C:\Program Files (x86)\Steam\steamclient.exe	CE2EC4539435DFEAC7E246FE5565C521.exe
File created	C:\Program Files (x86)\Steam\fcafd258929766	CE2EC4539435DFEAC7E246FE5565C521.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 6 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2096	schtasks.exe
2044	schtasks.exe
328	schtasks.exe
480	schtasks.exe
2796	schtasks.exe
2800	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe
2432	CE2EC4539435DFEAC7E246FE5565C521.exe

Suspicious use of AdjustPrivilegeToken 16 IoCs

description	pid	Process
Token: SeDebugPrivilege	2432	CE2EC4539435DFEAC7E246FE5565C521.exe
Token: SeDebugPrivilege	2676	powershell.exe
Token: SeDebugPrivilege	2612	powershell.exe
Token: SeDebugPrivilege	2724	powershell.exe
Token: SeDebugPrivilege	2480	powershell.exe
Token: SeDebugPrivilege	2984	powershell.exe
Token: SeDebugPrivilege	2588	powershell.exe
Token: SeDebugPrivilege	1016	powershell.exe
Token: SeDebugPrivilege	2012	powershell.exe
Token: SeDebugPrivilege	2092	powershell.exe
Token: SeDebugPrivilege	800	powershell.exe
Token: SeDebugPrivilege	2484	powershell.exe
Token: SeDebugPrivilege	2700	powershell.exe
Token: SeDebugPrivilege	2548	powershell.exe
Token: SeDebugPrivilege	352	powershell.exe
Token: SeDebugPrivilege	2784	steamclient.exe

Suspicious use of WriteProcessMemory 60 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 3056	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	32
PID 2432 wrote to memory of 3056	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	32
PID 2432 wrote to memory of 3056	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	32
PID 3056 wrote to memory of 604	3056	csc.exe	35
PID 3056 wrote to memory of 604	3056	csc.exe	35
PID 3056 wrote to memory of 604	3056	csc.exe	35
PID 2432 wrote to memory of 2012	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	40
PID 2432 wrote to memory of 2012	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	40
PID 2432 wrote to memory of 2012	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	40
PID 2432 wrote to memory of 2984	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	41
PID 2432 wrote to memory of 2984	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	41
PID 2432 wrote to memory of 2984	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	41
PID 2432 wrote to memory of 352	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	42
PID 2432 wrote to memory of 352	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	42
PID 2432 wrote to memory of 352	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	42
PID 2432 wrote to memory of 1016	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	44
PID 2432 wrote to memory of 1016	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	44
PID 2432 wrote to memory of 1016	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	44
PID 2432 wrote to memory of 2724	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	45
PID 2432 wrote to memory of 2724	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	45
PID 2432 wrote to memory of 2724	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	45
PID 2432 wrote to memory of 2548	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	46
PID 2432 wrote to memory of 2548	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	46
PID 2432 wrote to memory of 2548	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	46
PID 2432 wrote to memory of 2484	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	48
PID 2432 wrote to memory of 2484	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	48
PID 2432 wrote to memory of 2484	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	48
PID 2432 wrote to memory of 2480	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	49
PID 2432 wrote to memory of 2480	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	49
PID 2432 wrote to memory of 2480	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	49
PID 2432 wrote to memory of 2700	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	50
PID 2432 wrote to memory of 2700	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	50
PID 2432 wrote to memory of 2700	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	50
PID 2432 wrote to memory of 2092	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	52
PID 2432 wrote to memory of 2092	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	52
PID 2432 wrote to memory of 2092	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	52
PID 2432 wrote to memory of 2588	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	53
PID 2432 wrote to memory of 2588	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	53
PID 2432 wrote to memory of 2588	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	53
PID 2432 wrote to memory of 800	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	54
PID 2432 wrote to memory of 800	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	54
PID 2432 wrote to memory of 800	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	54
PID 2432 wrote to memory of 2612	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	56
PID 2432 wrote to memory of 2612	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	56
PID 2432 wrote to memory of 2612	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	56
PID 2432 wrote to memory of 2676	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	57
PID 2432 wrote to memory of 2676	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	57
PID 2432 wrote to memory of 2676	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	57
PID 2432 wrote to memory of 1976	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	68
PID 2432 wrote to memory of 1976	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	68
PID 2432 wrote to memory of 1976	2432	CE2EC4539435DFEAC7E246FE5565C521.exe	68
PID 1976 wrote to memory of 2452	1976	cmd.exe	70
PID 1976 wrote to memory of 2452	1976	cmd.exe	70
PID 1976 wrote to memory of 2452	1976	cmd.exe	70
PID 1976 wrote to memory of 2636	1976	cmd.exe	71
PID 1976 wrote to memory of 2636	1976	cmd.exe	71
PID 1976 wrote to memory of 2636	1976	cmd.exe	71
PID 1976 wrote to memory of 2784	1976	cmd.exe	72
PID 1976 wrote to memory of 2784	1976	cmd.exe	72
PID 1976 wrote to memory of 2784	1976	cmd.exe	72

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\CE2EC4539435DFEAC7E246FE5565C521.exe
"C:\Users\Admin\AppData\Local\Temp\CE2EC4539435DFEAC7E246FE5565C521.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\0mf1e0gc\0mf1e0gc.cmdline"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:3056
- - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESCF8F.tmp" "c:\Windows\System32\CSCB32719BC980543A78AE64AA8AE9699C.TMP"
    3⤵
    PID:604
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:2012
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/$Recycle.Bin/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:2984
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Documents and Settings/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:352
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/MSOCache/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:1016
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/PerfLogs/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:2724
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:2548
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files (x86)/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:2484
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/ProgramData/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:2480
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Recovery/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:2700
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/System Volume Information/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:2092
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Users/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:2588
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Windows/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:800
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files (x86)\Steam\steamclient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:2612
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\CE2EC4539435DFEAC7E246FE5565C521.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:2676
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\pWdHaxy7nM.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1976
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:2452
- - C:\Windows\system32\w32tm.exe
    w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
    3⤵
    PID:2636
- - C:\Program Files (x86)\Steam\steamclient.exe
    "C:\Program Files (x86)\Steam\steamclient.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:2784

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "steamclients" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Steam\steamclient.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:480

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "steamclient" /sc ONLOGON /tr "'C:\Program Files (x86)\Steam\steamclient.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2800

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "steamclients" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Steam\steamclient.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2796

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "CE2EC4539435DFEAC7E246FE5565C521C" /sc MINUTE /mo 13 /tr "'C:\Users\Admin\AppData\Local\Temp\CE2EC4539435DFEAC7E246FE5565C521.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2096

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "CE2EC4539435DFEAC7E246FE5565C521" /sc ONLOGON /tr "'C:\Users\Admin\AppData\Local\Temp\CE2EC4539435DFEAC7E246FE5565C521.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2044

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "CE2EC4539435DFEAC7E246FE5565C521C" /sc MINUTE /mo 11 /tr "'C:\Users\Admin\AppData\Local\Temp\CE2EC4539435DFEAC7E246FE5565C521.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:328

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

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Steam\steamclient.exe

Filesize
2.9MB

MD5
ce2ec4539435dfeac7e246fe5565c521

SHA1
59f3da006005a109914c31b5d5cd94dc4c93309c

SHA256
d5ee74f4f460c4f861c01ecc3e22b679075949108b6fee594193695d4175d562

SHA512
408a1db2cd98702bca3811e124d78a56cbca79a1d200593759bde1947a4a599f8cd40cd8dbb2e7be7dec416e3f5de0c4466f98ddea1daf6d313671695f25a7ba

Download Submit
C:\Users\Admin\AppData\Local\Temp\RESCF8F.tmp

Filesize
1KB

MD5
3cb814ad812398023b7814a80f9e5b85

SHA1
e3bea5f8aa227e44e4508074234c5d8d5365af2d

SHA256
3e7e27877a40446725747fd9507736e2123ef6a752b37c0bcf5c8f6f2bf5b7af

SHA512
fbbb4a7a5528eaffce8221e62cdfeafd6af9aff7c28ab65a9554326f72a2374c295acde8414088851d60239aee997ffa5bf357a784cc11eee824fbceac8bbd34

Download Submit
C:\Users\Admin\AppData\Local\Temp\pWdHaxy7nM.bat

Filesize
220B

MD5
2d67804436b3951d60ac92e9c488bfcf

SHA1
14512e0c9ac1f991c746603f98ece6f02606adfe

SHA256
b1e9ca66ce06a8b09e945a284b7c8ab746a8c38fc5098232a0e44e26c985785a

SHA512
736764eb69d0f73899f90ef8c2c8e208ffcc7260027da91dcbab4bc2ec9dfadad7bcc600f988aa4cafcc8495c201c519d7e4ab47cbbc812dfc63263673b874a0

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
bb79e05bbf02959b21d76babbd1fbaa7

SHA1
842d01addfe73805924ccb5407de9df711bcfc96

SHA256
fff9c84988d0cd9855ef3c9c50b30fe9efe8292ca1f64239defb3558acb2db7a

SHA512
964e28ea97dbf20325e4507bbb7d095ede73bf6fd3b58fcf93ad8ef2a42bca7c8d021706b0c85aa5490bf91b574a1a12c40ea774162346f013ae89f0a1ed19e7

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\0mf1e0gc\0mf1e0gc.0.cs

Filesize
376B

MD5
915de29bf403fa1efa22af06e29302e1

SHA1
10d7a0c835055a87ff92a593144152f5e2e00d75

SHA256
aabe8e35811a23c351ca6e8e90e9513a2c3427d0b65b4fe225dea2caec5c1d82

SHA512
077648b5d4dc99b51b485f3d7ec57d8ef5cd3efae14e8152d8d3f7f8106a53d680becbaf87be196bb7608d6be94a4513d389fe3f28191943da5ccf9f19027740

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\0mf1e0gc\0mf1e0gc.cmdline

Filesize
235B

MD5
e7dbbcf384feeddd992173fda97a6ae6

SHA1
5a6cfd0428f958b972585afca2ece7b9ae0572c3

SHA256
039380f4be08b7583e5ad948e6a7af151bdad3bb2c296ac41d7aeb88e3215a40

SHA512
38fc460c6279c8a10eec4a58ac2d4329f8a8dbda048edcf138663634c856f4b6402de385ee985a01b03346a1dd66e32bc5c01d7b234105f499c42396bd1a331b

Download Submit
\??\c:\Windows\System32\CSCB32719BC980543A78AE64AA8AE9699C.TMP

Filesize
1KB

MD5
078586b266e519b5c113064d7a0bf45c

SHA1
a9395c0ef35add5c75591ebb94c85c1f33f408bf

SHA256
ccf292ff9f142b204ad4f4481a044ba8f9ab274305dcb604bf0b8ae91819ab1e

SHA512
5b8eb6aad62657309088c4668d633c2aa6324d4824ec32c3c5e133df0a5493a4342c980e077ba565f3aab29c58f95c8db7195415a1e554384405c1457730f959

Download Submit
memory/2432-43-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-61-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-10-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-14-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-12-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-8-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-6-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-4-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-17-0x000007FEF5970000-0x000007FEF635C000-memory.dmp

Filesize
9.9MB

Download
memory/2432-16-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-41-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-54-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-19-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-21-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-23-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-25-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-27-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-29-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-31-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-33-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-35-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-37-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-67-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-65-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-63-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-3562-0x000007FEF5970000-0x000007FEF635C000-memory.dmp

Filesize
9.9MB

Download
memory/2432-59-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-3560-0x000007FEF5970000-0x000007FEF635C000-memory.dmp

Filesize
9.9MB

Download
memory/2432-57-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-55-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-53-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-51-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-49-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-47-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-45-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-2-0x000000001ADF0000-0x000000001B12C000-memory.dmp

Filesize
3.2MB

Download
memory/2432-39-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-3561-0x000007FEF5970000-0x000007FEF635C000-memory.dmp

Filesize
9.9MB

Download
memory/2432-0-0x000007FEF5973000-0x000007FEF5974000-memory.dmp

Filesize
4KB

Download
memory/2432-3573-0x0000000000510000-0x0000000000520000-memory.dmp

Filesize
64KB

Download
memory/2432-3-0x000000001ADF0000-0x000000001B126000-memory.dmp

Filesize
3.2MB

Download
memory/2432-3571-0x000007FEF5970000-0x000007FEF635C000-memory.dmp

Filesize
9.9MB

Download
memory/2432-3581-0x0000000000530000-0x0000000000540000-memory.dmp

Filesize
64KB

Download
memory/2432-3587-0x00000000009A0000-0x00000000009B2000-memory.dmp

Filesize
72KB

Download
memory/2432-3591-0x0000000000990000-0x00000000009A0000-memory.dmp

Filesize
64KB

Download
memory/2432-3595-0x0000000001F10000-0x0000000001F22000-memory.dmp

Filesize
72KB

Download
memory/2432-3593-0x0000000001EF0000-0x0000000001F06000-memory.dmp

Filesize
88KB

Download
memory/2432-3589-0x0000000000980000-0x000000000098C000-memory.dmp

Filesize
48KB

Download
memory/2432-3585-0x000007FEF5970000-0x000007FEF635C000-memory.dmp

Filesize
9.9MB

Download
memory/2432-3599-0x00000000009D0000-0x00000000009E0000-memory.dmp

Filesize
64KB

Download
memory/2432-3603-0x000000001AAC0000-0x000000001AB1A000-memory.dmp

Filesize
360KB

Download
memory/2432-3605-0x0000000001F40000-0x0000000001F4E000-memory.dmp

Filesize
56KB

Download
memory/2432-3609-0x0000000001F60000-0x0000000001F6E000-memory.dmp

Filesize
56KB

Download
memory/2432-3611-0x0000000001F70000-0x0000000001F78000-memory.dmp

Filesize
32KB

Download
memory/2432-3613-0x0000000002240000-0x0000000002258000-memory.dmp

Filesize
96KB

Download
memory/2432-3615-0x0000000002080000-0x000000000208C000-memory.dmp

Filesize
48KB

Download
memory/2432-3607-0x0000000001F50000-0x0000000001F60000-memory.dmp

Filesize
64KB

Download
memory/2432-3601-0x0000000001F30000-0x0000000001F40000-memory.dmp

Filesize
64KB

Download
memory/2432-3597-0x00000000009C0000-0x00000000009CE000-memory.dmp

Filesize
56KB

Download
memory/2432-3584-0x00000000005A0000-0x00000000005AE000-memory.dmp

Filesize
56KB

Download
memory/2432-3582-0x000007FEF5970000-0x000007FEF635C000-memory.dmp

Filesize
9.9MB

Download
memory/2432-3579-0x0000000000520000-0x0000000000530000-memory.dmp

Filesize
64KB

Download
memory/2432-3577-0x000007FEF5970000-0x000007FEF635C000-memory.dmp

Filesize
9.9MB

Download
memory/2432-3576-0x0000000000750000-0x0000000000768000-memory.dmp

Filesize
96KB

Download
memory/2432-3574-0x000007FEF5970000-0x000007FEF635C000-memory.dmp

Filesize
9.9MB

Download
memory/2432-3565-0x0000000000540000-0x0000000000566000-memory.dmp

Filesize
152KB

Download
memory/2432-3570-0x0000000000580000-0x000000000059C000-memory.dmp

Filesize
112KB

Download
memory/2432-3568-0x000007FEF5970000-0x000007FEF635C000-memory.dmp

Filesize
9.9MB

Download
memory/2432-3567-0x0000000000380000-0x000000000038E000-memory.dmp

Filesize
56KB

Download
memory/2432-3623-0x000007FEF5970000-0x000007FEF635C000-memory.dmp

Filesize
9.9MB

Download
memory/2432-3625-0x000007FEF5970000-0x000007FEF635C000-memory.dmp

Filesize
9.9MB

Download
memory/2432-1-0x00000000009E0000-0x00000000009E8000-memory.dmp

Filesize
32KB

Download
memory/2432-3637-0x000007FEF5970000-0x000007FEF635C000-memory.dmp

Filesize
9.9MB

Download
memory/2432-3563-0x000007FEF5973000-0x000007FEF5974000-memory.dmp

Filesize
4KB

Download
memory/2676-3709-0x0000000002310000-0x0000000002318000-memory.dmp

Filesize
32KB

Download
memory/2724-3708-0x000000001B790000-0x000000001BA72000-memory.dmp

Filesize
2.9MB

Download
memory/2784-3712-0x0000000000E60000-0x0000000000E68000-memory.dmp

Filesize
32KB

Download