quasar | b2a5bbacabfa8f6cd6c24f87a5825a8231cce32086d369be612c6b7bdf658dad

Analysis

max time kernel
1799s
max time network
1806s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
28-05-2024 21:06

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General

Target

Client-built.exe
Size

3.1MB
MD5

fd874e0d6811bcbd5feb812040853642
SHA1

7213c686b0e8cbb6527077eaeb3291791a8f06ba
SHA256

b2a5bbacabfa8f6cd6c24f87a5825a8231cce32086d369be612c6b7bdf658dad
SHA512

3c8265e9d981b0d5ebbd1157b79afb3b31f57f6083f2c5ce6d4658718b5d79faf4358936af76aa4a4e1e94f7803ef6c77e07e782333d9d7003d42ea1de2ffa34
SSDEEP

49152:bvxI22SsaNYfdPBldt698dBcjHLYqQJmzaloGdbhTHHB72eh2NT:bvi22SsaNYfdPBldt6+dBcjHkqQ3

Score

10^/10

quasar seroxen spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

SeroXen

operations-wagner.gl.at.ply.gg:50199

Mutex

164b6496-cf32-4fdd-b70d-de29665c8286

Attributes

encryption_key
A88D7FED7F655EBDC4F99C21BAE5EC62300AADC7
install_name
$sxr-insta.exe
log_directory
$sxr-logs
reconnect_delay
1000
startup_key
$sxr-mstha
subdirectory
$sxr-start

Signatures

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

Quasar payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4160-1-0x00000000008B0000-0x0000000000BD4000-memory.dmp	family_quasar
C:\Users\Admin\AppData\Roaming\$sxr-start\$sxr-insta.exe	family_quasar

Executes dropped EXE 2 IoCs

Processes:

$sxr-insta.exe$sxr-insta.exe

pid process

1620 $sxr-insta.exe
3228 $sxr-insta.exe

pid	process
1620	$sxr-insta.exe
3228	$sxr-insta.exe

Drops file in Windows directory 3 IoCs

Processes:

taskmgr.exe

description	ioc	process
File created	C:\Windows\rescache\_merged\2717123927\1590785016.pri	taskmgr.exe
File created	C:\Windows\rescache\_merged\4183903823\2290032291.pri	taskmgr.exe
File created	C:\Windows\rescache\_merged\1601268389\715946058.pri	taskmgr.exe

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

System Information Discovery
T1082

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

taskmgr.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A	taskmgr.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName	taskmgr.exe

Checks processor information in registry 2 TTPs 8 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

firefox.exefirefox.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~Mhz	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	firefox.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~Mhz	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	firefox.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Signature	firefox.exe

Creates scheduled task(s) 1 TTPs 4 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exeschtasks.exe

pid process

4864 schtasks.exe
4284 schtasks.exe
4688 schtasks.exe
2676 schtasks.exe
Modifies registry class 1 IoCs

Processes:

firefox.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1739856679-3467441365-73334005-1000_Classes\Local Settings firefox.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

6128 PING.EXE

pid	process
4864	schtasks.exe
4284	schtasks.exe
4688	schtasks.exe
2676	schtasks.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1739856679-3467441365-73334005-1000_Classes\Local Settings	firefox.exe

pid	process
6128	PING.EXE

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

taskmgr.exe

pid	process
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

Processes:

Client-built.exe$sxr-insta.exefirefox.exeClient-built.exe$sxr-insta.exetaskmgr.exe

description	pid	process
Token: SeDebugPrivilege	4160	Client-built.exe
Token: SeDebugPrivilege	1620	$sxr-insta.exe
Token: SeDebugPrivilege	4352	firefox.exe
Token: SeDebugPrivilege	4352	firefox.exe
Token: SeDebugPrivilege	2588	Client-built.exe
Token: SeDebugPrivilege	3228	$sxr-insta.exe
Token: SeDebugPrivilege	4352	firefox.exe
Token: SeDebugPrivilege	4352	firefox.exe
Token: SeDebugPrivilege	4352	firefox.exe
Token: SeDebugPrivilege	4824	taskmgr.exe
Token: SeSystemProfilePrivilege	4824	taskmgr.exe
Token: SeCreateGlobalPrivilege	4824	taskmgr.exe
Token: 33	4824	taskmgr.exe
Token: SeIncBasePriorityPrivilege	4824	taskmgr.exe

Suspicious use of FindShellTrayWindow 54 IoCs

Processes:

firefox.exetaskmgr.exe

pid	process
4352	firefox.exe
4352	firefox.exe
4352	firefox.exe
4352	firefox.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe

Suspicious use of SendNotifyMessage 53 IoCs

Processes:

firefox.exetaskmgr.exe

pid	process
4352	firefox.exe
4352	firefox.exe
4352	firefox.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe
4824	taskmgr.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

$sxr-insta.exefirefox.exe$sxr-insta.exe

pid process

1620 $sxr-insta.exe
4352 firefox.exe
3228 $sxr-insta.exe

pid	process
1620	$sxr-insta.exe
4352	firefox.exe
3228	$sxr-insta.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

Client-built.exe$sxr-insta.exefirefox.exefirefox.exe

description	pid	process	target process
PID 4160 wrote to memory of 4864	4160	Client-built.exe	schtasks.exe
PID 4160 wrote to memory of 4864	4160	Client-built.exe	schtasks.exe
PID 4160 wrote to memory of 1620	4160	Client-built.exe	$sxr-insta.exe
PID 4160 wrote to memory of 1620	4160	Client-built.exe	$sxr-insta.exe
PID 1620 wrote to memory of 4284	1620	$sxr-insta.exe	schtasks.exe
PID 1620 wrote to memory of 4284	1620	$sxr-insta.exe	schtasks.exe
PID 4848 wrote to memory of 4352	4848	firefox.exe	firefox.exe
PID 4848 wrote to memory of 4352	4848	firefox.exe	firefox.exe
PID 4848 wrote to memory of 4352	4848	firefox.exe	firefox.exe
PID 4848 wrote to memory of 4352	4848	firefox.exe	firefox.exe
PID 4848 wrote to memory of 4352	4848	firefox.exe	firefox.exe
PID 4848 wrote to memory of 4352	4848	firefox.exe	firefox.exe
PID 4848 wrote to memory of 4352	4848	firefox.exe	firefox.exe
PID 4848 wrote to memory of 4352	4848	firefox.exe	firefox.exe
PID 4848 wrote to memory of 4352	4848	firefox.exe	firefox.exe
PID 4848 wrote to memory of 4352	4848	firefox.exe	firefox.exe
PID 4848 wrote to memory of 4352	4848	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2304	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2304	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe
PID 4352 wrote to memory of 2420	4352	firefox.exe	firefox.exe

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\Client-built.exe
"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4160

C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "$sxr-mstha" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\$sxr-start\$sxr-insta.exe" /rl HIGHEST /f
2⤵
- Creates scheduled task(s)
PID:4864

C:\Users\Admin\AppData\Roaming\$sxr-start\$sxr-insta.exe
"C:\Users\Admin\AppData\Roaming\$sxr-start\$sxr-insta.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1620

C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "$sxr-mstha" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\$sxr-start\$sxr-insta.exe" /rl HIGHEST /f
3⤵
- Creates scheduled task(s)
PID:4284

C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /delete /tn "$sxr-mstha" /f
3⤵
PID:5988

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CgzMrTSnVQRP.bat" "
3⤵
PID:6056

C:\Windows\system32\chcp.com
chcp 65001
4⤵
PID:6112

C:\Windows\system32\PING.EXE
ping -n 10 localhost
4⤵
- Runs ping.exe
PID:6128

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4700

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4848

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe"
2⤵
- Checks processor information in registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4352

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4352.0.1103360498\639028104" -parentBuildID 20221007134813 -prefsHandle 1728 -prefMapHandle 1716 -prefsLen 20747 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {c95e1604-b40b-4520-9ead-4b905c166abd} 4352 "\\.\pipe\gecko-crash-server-pipe.4352" 1808 13c3c6d9a58 gpu
3⤵
PID:2304

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4352.1.159005698\1724290675" -parentBuildID 20221007134813 -prefsHandle 2152 -prefMapHandle 2148 -prefsLen 20828 -prefMapSize 233444 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {94d87e90-5755-48d5-8750-e8f90f3a8f6d} 4352 "\\.\pipe\gecko-crash-server-pipe.4352" 2164 13c3126fe58 socket
3⤵
- Checks processor information in registry
PID:2420

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4352.2.1421802989\1545706809" -childID 1 -isForBrowser -prefsHandle 2796 -prefMapHandle 2960 -prefsLen 20931 -prefMapSize 233444 -jsInitHandle 1328 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {a26862f9-7aed-4e0c-ab28-ab2c492265b1} 4352 "\\.\pipe\gecko-crash-server-pipe.4352" 2936 13c4039be58 tab
3⤵
PID:2184

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4352.3.1675247287\1400340357" -childID 2 -isForBrowser -prefsHandle 3512 -prefMapHandle 3508 -prefsLen 26109 -prefMapSize 233444 -jsInitHandle 1328 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {4c0a2503-f692-4a62-8a83-1fe1b6c67340} 4352 "\\.\pipe\gecko-crash-server-pipe.4352" 3524 13c31262558 tab
3⤵
PID:4232

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4352.4.406623235\1568921450" -childID 3 -isForBrowser -prefsHandle 4128 -prefMapHandle 4124 -prefsLen 26168 -prefMapSize 233444 -jsInitHandle 1328 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {8b050b77-257b-4321-baa9-9c1f18303525} 4352 "\\.\pipe\gecko-crash-server-pipe.4352" 4140 13c415e3958 tab
3⤵
PID:4656

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4352.5.1463670531\1038112726" -childID 4 -isForBrowser -prefsHandle 4780 -prefMapHandle 4764 -prefsLen 26249 -prefMapSize 233444 -jsInitHandle 1328 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {3c534e03-e71b-4e52-a722-58dd486264bc} 4352 "\\.\pipe\gecko-crash-server-pipe.4352" 4796 13c404fa458 tab
3⤵
PID:4840

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4352.6.861429777\1283476299" -childID 5 -isForBrowser -prefsHandle 4676 -prefMapHandle 4756 -prefsLen 26249 -prefMapSize 233444 -jsInitHandle 1328 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {afbae485-cfe1-4547-92b2-1cf6de7c0221} 4352 "\\.\pipe\gecko-crash-server-pipe.4352" 2640 13c4282b658 tab
3⤵
PID:4764

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4352.7.78232840\227443290" -childID 6 -isForBrowser -prefsHandle 5064 -prefMapHandle 5068 -prefsLen 26249 -prefMapSize 233444 -jsInitHandle 1328 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {a7953a9c-25d1-46a0-8b5b-18da29b906b9} 4352 "\\.\pipe\gecko-crash-server-pipe.4352" 5156 13c4282a758 tab
3⤵
PID:892

C:\Users\Admin\AppData\Local\Temp\Client-built.exe
"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2588

C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "$sxr-mstha" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\$sxr-start\$sxr-insta.exe" /rl HIGHEST /f
2⤵
- Creates scheduled task(s)
PID:4688

C:\Users\Admin\AppData\Roaming\$sxr-start\$sxr-insta.exe
"C:\Users\Admin\AppData\Roaming\$sxr-start\$sxr-insta.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3228

C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "$sxr-mstha" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\$sxr-start\$sxr-insta.exe" /rl HIGHEST /f
3⤵
- Creates scheduled task(s)
PID:2676

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
1⤵
- Drops file in Windows directory
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4824

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Query Registry

T1012

Peripheral Device Discovery

T1120

Remote System Discovery

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\$sxr-insta.exe.log
Filesize
2KB

MD5
71fc2b19e7adb85782c0b0ed44f7a807

SHA1
dbecfb69a62ca0a5ddc35de8c831ad06ad08ce87

SHA256
b5f0ce93c91f69185cfb6881a7cf9874d1293290a71e920c073dac459fb82dc5

SHA512
7ca2f01b9102eca636c95bca31c95e2afa27f8d9db1518e2663511f790e1ced0eef407a45db2322e10a327b98ac1a59b3491680ebe697dd18b63f832f0c25c80

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Client-built.exe.log
Filesize
1KB

MD5
d63ff49d7c92016feb39812e4db10419

SHA1
2307d5e35ca9864ffefc93acf8573ea995ba189b

SHA256
375076241775962f3edc08a8c72832a00920b427a4f3332528d91d21e909fa12

SHA512
00f8c8d0336d6575b956876183199624d6f4d2056f2c0aa633a6f17c516f22ee648062d9bc419254d84c459323e9424f0da8aed9dd4e16c2926e5ba30e797d8a

Download Submit
C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\41eh5pdr.default-release\cache2\entries\F4EFE37A30D0F14C6AC03FF7949A51CBC2EBC649
Filesize
13KB

MD5
c781f6b1749a658bcbf369ce7a445ac4

SHA1
9bd8dd42d0655259ab8e9302e89414062cd38994

SHA256
4b4dd924387ca7c9972c219af4f2043981f1d521e6f51e3647f50991c17a8a35

SHA512
b7fd28ed64146fcd3c95c6075e766008e29b88e2f748b41fee211d02577b608028af699e8d7b1e30a991ada92b6a53ee60a2bff4468f71bbe8da595240deafeb

Download Submit
C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\41eh5pdr.default-release\settings\main\ms-language-packs\browser\newtab\asrouter.ftl
Filesize
7KB

MD5
c460716b62456449360b23cf5663f275

SHA1
06573a83d88286153066bae7062cc9300e567d92

SHA256
0ec0f16f92d876a9c1140d4c11e2b346a9292984d9a854360e54e99fdcd99cc0

SHA512
476bc3a333aace4c75d9a971ef202d5889561e10d237792ca89f8d379280262ce98cf3d4728460696f8d7ff429a508237764bf4a9ccb59fd615aee07bdcadf30

Download Submit
C:\Users\Admin\AppData\Local\Temp\CgzMrTSnVQRP.bat
Filesize
219B

MD5
5101381a6dfdbabbfe113a45b6ec3779

SHA1
8d8ae590170debe6f8d572cdac8a3bbba4cb01bd

SHA256
8b58b855f27a47abed90bd44b19e4fc0e1b89bb9fc51c9cd29f2bda930356902

SHA512
f7ebfc380ce725cfe5b0e7b13c2639384b58486f9f384e42339ae1654045484d6cb2b216d5b4271e25c1d18a20b92442c7a2d085db5327cc13e85b3a5b724818

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpaddon
Filesize
442KB

MD5
85430baed3398695717b0263807cf97c

SHA1
fffbee923cea216f50fce5d54219a188a5100f41

SHA256
a9f4281f82b3579581c389e8583dc9f477c7fd0e20c9dfc91a2e611e21e3407e

SHA512
06511f1f6c6d44d076b3c593528c26a602348d9c41689dbf5ff716b671c3ca5756b12cb2e5869f836dedce27b1a5cfe79b93c707fd01f8e84b620923bb61b5f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpaddon-1
Filesize
8.0MB

MD5
a01c5ecd6108350ae23d2cddf0e77c17

SHA1
c6ac28a2cd979f1f9a75d56271821d5ff665e2b6

SHA256
345d44e3aa3e1967d186a43d732c8051235c43458169a5d7d371780a6475ee42

SHA512
b046dd1b26ec0b810ee441b7ad4dc135e3f1521a817b9f3db60a32976352e8f7e53920e1a77fc5b4130aac260d79deef7e823267b4414e9cc774d8bffca56a72

Download Submit
C:\Users\Admin\AppData\Roaming\$sxr-start\$sxr-insta.exe
Filesize
3.1MB

MD5
fd874e0d6811bcbd5feb812040853642

SHA1
7213c686b0e8cbb6527077eaeb3291791a8f06ba

SHA256
b2a5bbacabfa8f6cd6c24f87a5825a8231cce32086d369be612c6b7bdf658dad

SHA512
3c8265e9d981b0d5ebbd1157b79afb3b31f57f6083f2c5ce6d4658718b5d79faf4358936af76aa4a4e1e94f7803ef6c77e07e782333d9d7003d42ea1de2ffa34

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\41eh5pdr.default-release\datareporting\glean\db\data.safe.bin
Filesize
2KB

MD5
f37b9609cb13b7c92633a65b04f100a0

SHA1
ae87d4a60464b7f31c50138efeb2d177103b4551

SHA256
0cd975805e6b7d4d2761d54ee8a141aa7a5fd61d926e28cde931348bc18f693a

SHA512
4cf8f765410b0c3e1698ea279daac82bcdf534ef357fefa2e524fc3ab9e294e6346e1964820ffb99f4ea26a43fd458974ed815b357ad3ec87760c32163ead7a3

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\41eh5pdr.default-release\datareporting\glean\pending_pings\12145c3c-ccc6-44ea-bb45-8b7b3a2b6c37
Filesize
10KB

MD5
e11f62cc27360bb12c7e368c433641e7

SHA1
22c434c79f9412491d848c1b02f073905cea04a2

SHA256
3eba3ef1cf01ae761be607e110514c5e5bbcd01ce135c9ee60c47ead38916832

SHA512
438a37c7de62ed58efebc4fde4062c99ec4a378b2a3c9cd41d74bb711582d8c1b9724ae04cc27f0539ccd0b1ad9ac914802774362f6c595ec0313a9c9faf5880

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\41eh5pdr.default-release\datareporting\glean\pending_pings\75623c09-e7dc-4b77-9d3f-bb03a25fe062
Filesize
746B

MD5
874bce7a58d1221dd5d3fd16a04999d1

SHA1
f270feebf65f1f0334bea690f83fa87e0df5a18d

SHA256
791c97070f72a9d328968d3dcfcca10218315b26a520945d981da81d0677ea50

SHA512
d8d3b1c7572a1ab0ec93490fd237efde9997f60edb24f958f5b2ed3ab650131aa057e067bdbaeec188f67289a4ee66d9d6a1eba5143c69b0890b634657e39506

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\41eh5pdr.default-release\gmp-gmpopenh264\1.8.1.2\gmpopenh264.dll
Filesize
997KB

MD5
fe3355639648c417e8307c6d051e3e37

SHA1
f54602d4b4778da21bc97c7238fc66aa68c8ee34

SHA256
1ed7877024be63a049da98733fd282c16bd620530a4fb580dacec3a78ace914e

SHA512
8f4030bb2464b98eccbea6f06eb186d7216932702d94f6b84c56419e9cf65a18309711ab342d1513bf85aed402bc3535a70db4395874828f0d35c278dd2eac9c

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\41eh5pdr.default-release\gmp-gmpopenh264\1.8.1.2\gmpopenh264.info
Filesize
116B

MD5
3d33cdc0b3d281e67dd52e14435dd04f

SHA1
4db88689282fd4f9e9e6ab95fcbb23df6e6485db

SHA256
f526e9f98841d987606efeaff7f3e017ba9fd516c4be83890c7f9a093ea4c47b

SHA512
a4a96743332cc8ef0f86bc2e6122618bfc75ed46781dadbac9e580cd73df89e74738638a2cccb4caa4cbbf393d771d7f2c73f825737cdb247362450a0d4a4bc1

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\41eh5pdr.default-release\gmp-widevinecdm\4.10.2557.0\LICENSE.txt
Filesize
479B

MD5
49ddb419d96dceb9069018535fb2e2fc

SHA1
62aa6fea895a8b68d468a015f6e6ab400d7a7ca6

SHA256
2af127b4e00f7303de8271996c0c681063e4dc7abdc7b2a8c3fe5932b9352539

SHA512
48386217dabf7556e381ab3f5924b123a0a525969ff98f91efb03b65477c94e48a15d9abcec116b54616d36ad52b6f1d7b8b84c49c204e1b9b43f26f2af92da2

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\41eh5pdr.default-release\gmp-widevinecdm\4.10.2557.0\manifest.json
Filesize
372B

MD5
8be33af717bb1b67fbd61c3f4b807e9e

SHA1
7cf17656d174d951957ff36810e874a134dd49e0

SHA256
e92d3394635edfb987a7528e0ccd24360e07a299078df2a6967ca3aae22fa2dd

SHA512
6125f60418e25fee896bf59f5672945cd8f36f03665c721837bb50adf5b4dfef2dddbfcfc817555027dcfa90e1ef2a1e80af1219e8063629ea70263d2fc936a7

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\41eh5pdr.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll
Filesize
11.8MB

MD5
33bf7b0439480effb9fb212efce87b13

SHA1
cee50f2745edc6dc291887b6075ca64d716f495a

SHA256
8ee42d9258e20bbc5bfdfae61605429beb5421ffeaaa0d02b86d4978f4b4ac4e

SHA512
d329a1a1d98e302142f2776de8cc2cd45a465d77cb21c461bdf5ee58c68073a715519f449cb673977288fe18401a0abcce636c85abaec61a4a7a08a16c924275

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\41eh5pdr.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll.lib
Filesize
1KB

MD5
688bed3676d2104e7f17ae1cd2c59404

SHA1
952b2cdf783ac72fcb98338723e9afd38d47ad8e

SHA256
33899a3ebc22cb8ed8de7bd48c1c29486c0279b06d7ef98241c92aef4e3b9237

SHA512
7a0e3791f75c229af79dd302f7d0594279f664886fea228cfe78e24ef185ae63aba809aa1036feb3130066deadc8e78909c277f0a7ed1e3485df3cf2cd329776

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\41eh5pdr.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll.sig
Filesize
1KB

MD5
937326fead5fd401f6cca9118bd9ade9

SHA1
4526a57d4ae14ed29b37632c72aef3c408189d91

SHA256
68a03f075db104f84afdd8fca45a7e4bff7b55dc1a2a24272b3abe16d8759c81

SHA512
b232f6cf3f88adb346281167ac714c4c4c7aac15175087c336911946d12d63d3a3a458e06b298b41a7ec582ef09fe238da3a3166ff89c450117228f7485c22d2

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\41eh5pdr.default-release\prefs-1.js
Filesize
6KB

MD5
7bf947e15d268f2fc6b4cafc68db8c16

SHA1
92cf3fe718f3532c6a9e183049d437dc601b8233

SHA256
018696dfdf561c5d40b18f66c089ff4230d3dc521c43e863946ee7cee0d9ba63

SHA512
c2c0b66359a3ba70c59478122381737f2e9148b4d5af992086abcd13c7f404fe64bc2f44ba41911b1341ca5f414e2ce01fec31405e2b627f5f996cb2cc7f67b4

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\41eh5pdr.default-release\prefs-1.js
Filesize
8KB

MD5
2ace2c7cf1feaed21873f4bfbb3eddb4

SHA1
06f3cc8e0eb30a7249913f2283f67ffc4bad3d31

SHA256
ce6c8b8340c831bad5931bdba3e69c677139d7e34d1a28b1682122f133d026be

SHA512
c7af24ab98c8e2d18d8cf135c5fb1a030fede55de42f97f82bf5c3447e54cf253778f99f94e6c78ba21e626472673967d7c01059d189bed15b1872c3ab858838

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\41eh5pdr.default-release\sessionCheckpoints.json.tmp
Filesize
288B

MD5
648ea624280e409ac3a7f120b5e9000e

SHA1
168bd9dd85eb0603e0db6bef23a0df64f916bf83

SHA256
ea208bf36fe4e150165db9ff5972004c6f468114058d6dbe5d0350f85e8fc08a

SHA512
49520e85cd86cdb0b9fcefecaabc99ba3915ed5ce0b622ffe752de94df6d1fbf3f2fbae13ee18397b32477aadfb23280e42be6f92ec1c74feb4f246c60eb7e32

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\41eh5pdr.default-release\sessionstore-backups\recovery.jsonlz4
Filesize
1KB

MD5
08e5bf55d10d86edba4492c761389307

SHA1
f5d83e89b0f802511480a26e7df2a3b8809c1a5a

SHA256
9e7cece6862890cf2195290a347cabf87d5839e2d7ea11f53a6401ffd825064b

SHA512
2bc5eef28a27fcea6c28e74158734797bf68ab58ab323b3e12dab4a3bda4b810559f597706c77f8d57391f3cbce24b8caae6ccf1cc72dcb682bafaa457c4932c

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\41eh5pdr.default-release\sessionstore.jsonlz4
Filesize
951B

MD5
5ec5985ef9667e20b1ff2362ca68c377

SHA1
d08fc7399bf8f5a32ba607da94d9ed87017d46d9

SHA256
2a773ad16531f4b03da97c3b0c4f4cf7ab40263a1619f15b303f3a3490d29107

SHA512
4e062a3affe0d76155d0eaa23c6eb19ef6412a605434d46a7616520d4a8edf2d3791b73dbbd31af5c690f17352db29a80996a944256e886df87ef35c4ec7d3a5

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\41eh5pdr.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite
Filesize
7.9MB

MD5
64c5d7a026e83164797ac57b63a24a33

SHA1
4e4a49f9f87a3b078a4f2a394b05ee4dad48bd48

SHA256
0f5205af4f06e40ac662f5304d4217930f92ecb1b667a1ff7dd667853dbdbe5e

SHA512
5d7b25c394e91fa9ca5674a2404132637398464edd87793005dc1dad83ecec6bfc6ab0acbcb7c22386fc41309d62d514c4b8286e32a8bdd37a26aa41e92ea512

Download Submit
memory/1620-17-0x000000001C640000-0x000000001C67E000-memory.dmp

Filesize
248KB

Download
memory/1620-12-0x000000001C270000-0x000000001C2C0000-memory.dmp

Filesize
320KB

Download
memory/1620-11-0x00007FF8C1D40000-0x00007FF8C272C000-memory.dmp

Filesize
9.9MB

Download
memory/1620-13-0x000000001C380000-0x000000001C432000-memory.dmp

Filesize
712KB

Download
memory/1620-18-0x00007FF8C1D40000-0x00007FF8C272C000-memory.dmp

Filesize
9.9MB

Download
memory/1620-325-0x000000001E120000-0x000000001E646000-memory.dmp

Filesize
5.1MB

Download
memory/1620-16-0x000000001C320000-0x000000001C332000-memory.dmp

Filesize
72KB

Download
memory/1620-9-0x00007FF8C1D40000-0x00007FF8C272C000-memory.dmp

Filesize
9.9MB

Download
memory/1620-2325-0x00007FF8C1D40000-0x00007FF8C272C000-memory.dmp

Filesize
9.9MB

Download
memory/4160-0-0x00007FF8C1D43000-0x00007FF8C1D44000-memory.dmp

Filesize
4KB

Download
memory/4160-1-0x00000000008B0000-0x0000000000BD4000-memory.dmp

Filesize
3.1MB

Download
memory/4160-2-0x00007FF8C1D40000-0x00007FF8C272C000-memory.dmp

Filesize
9.9MB

Download
memory/4160-10-0x00007FF8C1D40000-0x00007FF8C272C000-memory.dmp

Filesize
9.9MB

Download