gh0strat | c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2024 05:47

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General

Target

c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe
Size

3.5MB
MD5

81104831920a8040c965067b4a69b4ec
SHA1

128babc812b9b8d5f1d05b8b6bca74cc4d6ff497
SHA256

c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a
SHA512

d1fb4e2bb5593bab6ec40021dd15b99afff451084abca8073f901473af2b2f15e0a894537b57678109678c5a886ad08d567874937e93ca8732104ad45f43eb60
SSDEEP

98304:0ZJt4HINy2LkHBgowREJBpNnKqq/woaBwihe:6iINy2LkrFbGihe

Score

10^/10

gh0strat purplefox discovery execution persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 11 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/3352-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3352-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2008-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2008-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2008-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3352-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2008-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1360-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1360-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1360-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1360-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral2/memory/3352-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3352-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2008-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2008-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2008-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3352-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2008-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1360-34-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1360-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1360-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1360-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat
Gh0strat family
gh0strat
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Purplefox family
purplefox

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\drivers\QAssist.sys	TXPlatforn.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatforn.exe

Executes dropped EXE 7 IoCs

pid	Process
3352	RVN.exe
2008	TXPlatforn.exe
1360	TXPlatforn.exe
4284	HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe
820	HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.tmp
4020	HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe
2004	HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.tmp

Loads dropped DLL 5 IoCs

pid	Process
4444	regsvr32.exe
4400	regsvr32.exe
2548	regsvr32.exe
1484	regsvr32.EXE
3932	regsvr32.EXE

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell to execute payload.

execution

PowerShell

T1059.001

pid	Process
5008	powershell.exe
3932	powershell.exe
5008	powershell.exe
3932	powershell.exe

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\B:	regsvr32.exe
File opened (read-only)	\??\M:	regsvr32.exe
File opened (read-only)	\??\N:	regsvr32.exe
File opened (read-only)	\??\S:	regsvr32.exe
File opened (read-only)	\??\Y:	regsvr32.exe
File opened (read-only)	\??\H:	regsvr32.exe
File opened (read-only)	\??\L:	regsvr32.exe
File opened (read-only)	\??\R:	regsvr32.exe
File opened (read-only)	\??\V:	regsvr32.exe
File opened (read-only)	\??\U:	regsvr32.exe
File opened (read-only)	\??\W:	regsvr32.exe
File opened (read-only)	\??\G:	regsvr32.exe
File opened (read-only)	\??\K:	regsvr32.exe
File opened (read-only)	\??\O:	regsvr32.exe
File opened (read-only)	\??\P:	regsvr32.exe
File opened (read-only)	\??\Q:	regsvr32.exe
File opened (read-only)	\??\Z:	regsvr32.exe
File opened (read-only)	\??\E:	regsvr32.exe
File opened (read-only)	\??\I:	regsvr32.exe
File opened (read-only)	\??\J:	regsvr32.exe
File opened (read-only)	\??\T:	regsvr32.exe
File opened (read-only)	\??\X:	regsvr32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe

UPX packed file 13 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3352-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3352-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3352-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2008-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2008-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2008-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3352-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2008-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2008-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1360-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1360-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1360-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1360-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

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

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RVN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3616	PING.EXE
2092	cmd.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2836	timeout.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3616	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1968	c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe
1968	c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe
2004	HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.tmp
2004	HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.tmp
5008	powershell.exe
5008	powershell.exe
3932	powershell.exe
3932	powershell.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe
4400	regsvr32.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1360	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3352	RVN.exe
Token: SeLoadDriverPrivilege	1360	TXPlatforn.exe
Token: SeDebugPrivilege	5008	powershell.exe
Token: SeIncreaseQuotaPrivilege	5008	powershell.exe
Token: SeSecurityPrivilege	5008	powershell.exe
Token: SeTakeOwnershipPrivilege	5008	powershell.exe
Token: SeLoadDriverPrivilege	5008	powershell.exe
Token: SeSystemProfilePrivilege	5008	powershell.exe
Token: SeSystemtimePrivilege	5008	powershell.exe
Token: SeProfSingleProcessPrivilege	5008	powershell.exe
Token: SeIncBasePriorityPrivilege	5008	powershell.exe
Token: SeCreatePagefilePrivilege	5008	powershell.exe
Token: SeBackupPrivilege	5008	powershell.exe
Token: SeRestorePrivilege	5008	powershell.exe
Token: SeShutdownPrivilege	5008	powershell.exe
Token: SeDebugPrivilege	5008	powershell.exe
Token: SeSystemEnvironmentPrivilege	5008	powershell.exe
Token: SeRemoteShutdownPrivilege	5008	powershell.exe
Token: SeUndockPrivilege	5008	powershell.exe
Token: SeManageVolumePrivilege	5008	powershell.exe
Token: 33	5008	powershell.exe
Token: 34	5008	powershell.exe
Token: 35	5008	powershell.exe
Token: 36	5008	powershell.exe
Token: SeDebugPrivilege	3932	powershell.exe
Token: SeIncreaseQuotaPrivilege	3932	powershell.exe
Token: SeSecurityPrivilege	3932	powershell.exe
Token: SeTakeOwnershipPrivilege	3932	powershell.exe
Token: SeLoadDriverPrivilege	3932	powershell.exe
Token: SeSystemProfilePrivilege	3932	powershell.exe
Token: SeSystemtimePrivilege	3932	powershell.exe
Token: SeProfSingleProcessPrivilege	3932	powershell.exe
Token: SeIncBasePriorityPrivilege	3932	powershell.exe
Token: SeCreatePagefilePrivilege	3932	powershell.exe
Token: SeBackupPrivilege	3932	powershell.exe
Token: SeRestorePrivilege	3932	powershell.exe
Token: SeShutdownPrivilege	3932	powershell.exe
Token: SeDebugPrivilege	3932	powershell.exe
Token: SeSystemEnvironmentPrivilege	3932	powershell.exe
Token: SeRemoteShutdownPrivilege	3932	powershell.exe
Token: SeUndockPrivilege	3932	powershell.exe
Token: SeManageVolumePrivilege	3932	powershell.exe
Token: 33	3932	powershell.exe
Token: 34	3932	powershell.exe
Token: 35	3932	powershell.exe
Token: 36	3932	powershell.exe
Token: SeIncreaseQuotaPrivilege	3932	powershell.exe
Token: SeSecurityPrivilege	3932	powershell.exe
Token: SeTakeOwnershipPrivilege	3932	powershell.exe
Token: SeLoadDriverPrivilege	3932	powershell.exe
Token: SeSystemProfilePrivilege	3932	powershell.exe
Token: SeSystemtimePrivilege	3932	powershell.exe
Token: SeProfSingleProcessPrivilege	3932	powershell.exe
Token: SeIncBasePriorityPrivilege	3932	powershell.exe
Token: SeCreatePagefilePrivilege	3932	powershell.exe
Token: SeBackupPrivilege	3932	powershell.exe
Token: SeRestorePrivilege	3932	powershell.exe
Token: SeShutdownPrivilege	3932	powershell.exe
Token: SeDebugPrivilege	3932	powershell.exe
Token: SeSystemEnvironmentPrivilege	3932	powershell.exe
Token: SeRemoteShutdownPrivilege	3932	powershell.exe
Token: SeUndockPrivilege	3932	powershell.exe
Token: SeManageVolumePrivilege	3932	powershell.exe
Token: 33	3932	powershell.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2004	HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.tmp

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1968	c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe
1968	c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe
4400	regsvr32.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 3352	1968	c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe	83
PID 1968 wrote to memory of 3352	1968	c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe	83
PID 1968 wrote to memory of 3352	1968	c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe	83
PID 3352 wrote to memory of 2092	3352	RVN.exe	85
PID 3352 wrote to memory of 2092	3352	RVN.exe	85
PID 3352 wrote to memory of 2092	3352	RVN.exe	85
PID 2008 wrote to memory of 1360	2008	TXPlatforn.exe	86
PID 2008 wrote to memory of 1360	2008	TXPlatforn.exe	86
PID 2008 wrote to memory of 1360	2008	TXPlatforn.exe	86
PID 1968 wrote to memory of 4284	1968	c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe	87
PID 1968 wrote to memory of 4284	1968	c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe	87
PID 1968 wrote to memory of 4284	1968	c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe	87
PID 4284 wrote to memory of 820	4284	HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe	88
PID 4284 wrote to memory of 820	4284	HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe	88
PID 4284 wrote to memory of 820	4284	HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe	88
PID 820 wrote to memory of 1832	820	HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.tmp	90
PID 820 wrote to memory of 1832	820	HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.tmp	90
PID 820 wrote to memory of 1832	820	HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.tmp	90
PID 1832 wrote to memory of 2836	1832	cmd.exe	92
PID 1832 wrote to memory of 2836	1832	cmd.exe	92
PID 1832 wrote to memory of 2836	1832	cmd.exe	92
PID 2092 wrote to memory of 3616	2092	cmd.exe	93
PID 2092 wrote to memory of 3616	2092	cmd.exe	93
PID 2092 wrote to memory of 3616	2092	cmd.exe	93
PID 1832 wrote to memory of 4020	1832	cmd.exe	97
PID 1832 wrote to memory of 4020	1832	cmd.exe	97
PID 1832 wrote to memory of 4020	1832	cmd.exe	97
PID 4020 wrote to memory of 2004	4020	HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe	100
PID 4020 wrote to memory of 2004	4020	HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe	100
PID 4020 wrote to memory of 2004	4020	HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe	100
PID 2004 wrote to memory of 4444	2004	HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.tmp	102
PID 2004 wrote to memory of 4444	2004	HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.tmp	102
PID 2004 wrote to memory of 4444	2004	HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.tmp	102
PID 4444 wrote to memory of 4400	4444	regsvr32.exe	103
PID 4444 wrote to memory of 4400	4444	regsvr32.exe	103
PID 4400 wrote to memory of 5008	4400	regsvr32.exe	104
PID 4400 wrote to memory of 5008	4400	regsvr32.exe	104
PID 4400 wrote to memory of 3932	4400	regsvr32.exe	107
PID 4400 wrote to memory of 3932	4400	regsvr32.exe	107
PID 4400 wrote to memory of 2548	4400	regsvr32.exe	111
PID 4400 wrote to memory of 2548	4400	regsvr32.exe	111

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
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe
"C:\Users\Admin\AppData\Local\Temp\c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Users\Admin\AppData\Local\Temp\RVN.exe
  C:\Users\Admin\AppData\Local\Temp\\RVN.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3352
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\RVN.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2092
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:3616
- C:\Users\Admin\AppData\Local\Temp\HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe
  C:\Users\Admin\AppData\Local\Temp\HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4284
- - C:\Users\Admin\AppData\Local\Temp\is-JNUJI.tmp\HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.tmp
    "C:\Users\Admin\AppData\Local\Temp\is-JNUJI.tmp\HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.tmp" /SL5="$80068,1454009,889344,C:\Users\Admin\AppData\Local\Temp\HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:820
  - - C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C timeout /T 3 & "C:\Users\Admin\AppData\Local\Temp\HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe" /VERYSILENT /SUPPRESSMSGBOXES
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1832
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout /T 3
        5⤵
        System Location Discovery: System Language Discovery
        Delays execution with timeout.exe
        
        PID:2836
    - - C:\Users\Admin\AppData\Local\Temp\HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe
        
        "C:\Users\Admin\AppData\Local\Temp\HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe" /VERYSILENT /SUPPRESSMSGBOXES
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:4020
      - C:\Users\Admin\AppData\Local\Temp\is-PBIDC.tmp\HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.tmp
        
        "C:\Users\Admin\AppData\Local\Temp\is-PBIDC.tmp\HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.tmp" /SL5="$F0052,1454009,889344,C:\Users\Admin\AppData\Local\Temp\HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe" /VERYSILENT /SUPPRESSMSGBOXES
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of FindShellTrayWindow
        Suspicious use of WriteProcessMemory
        
        PID:2004
        
        C:\Windows\SysWOW64\regsvr32.exe
        
        "regsvr32.exe" /s /i:INSTALL C:\Users\Public\Documents\setup_maXwjj.dll
        7⤵
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:4444
        
        C:\Windows\system32\regsvr32.exe
        
        /s /i:INSTALL C:\Users\Public\Documents\setup_maXwjj.dll
        8⤵
        Loads dropped DLL
        Enumerates connected drives
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:4400
        
        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "powershell" -Command "if (Get-ScheduledTask | Where-Object { $_.Actions.Execute -eq 'regsvr32' -and $_.Actions.Arguments -eq '/S /i:INSTALL C:\Users\Public\Documents\setup_maXwjj.dll' }) { exit 0 } else { exit 1 }"
        9⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:5008
        
        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "powershell" "Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute \"regsvr32\" -Argument \"/S /i:INSTALL C:\Users\Public\Documents\setup_maXwjj.dll\") -Trigger (New-ScheduledTaskTrigger -Once -At (Get-Date).AddMinutes(1) -RepetitionInterval (New-TimeSpan -Minutes 1)) -TaskName 'MicrosoftEdgeUpdateTaskMachineUA{2BA48F53-D9A2-4AE7-F6CB-B754E93FD95C}' -Description 'Default' -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DontStopIfGoingOnBatteries) -RunLevel Highest"
        9⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:3932
        
        C:\Windows\system32\regsvr32.exe
        
        "regsvr32" /i:INSTALL /s C:\Users\Public\Documents\setup_maXwjj.dll
        9⤵
        Loads dropped DLL
        
        PID:2548

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2008
- C:\Windows\SysWOW64\TXPlatforn.exe
  C:\Windows\SysWOW64\TXPlatforn.exe -acsi
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Executes dropped EXE
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:1360

C:\Windows\system32\regsvr32.EXE
C:\Windows\system32\regsvr32.EXE /S /i:INSTALL C:\Users\Public\Documents\setup_maXwjj.dll
1⤵
- Loads dropped DLL
PID:1484

C:\Windows\system32\regsvr32.EXE
C:\Windows\system32\regsvr32.EXE /S /i:INSTALL C:\Users\Public\Documents\setup_maXwjj.dll
1⤵
- Loads dropped DLL
PID:3932

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

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\powershell.exe.log

Filesize
3KB

MD5
661739d384d9dfd807a089721202900b

SHA1
5b2c5d6a7122b4ce849dc98e79a7713038feac55

SHA256
70c3ecbaa6df88e88df4efc70968502955e890a2248269641c4e2d4668ef61bf

SHA512
81b48ae5c4064c4d9597303d913e32d3954954ba1c8123731d503d1653a0d848856812d2ee6951efe06b1db2b91a50e5d54098f60c26f36bc8390203f4c8a2d8

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

Filesize
1KB

MD5
c8c29f1f588816cb69fcebf642891720

SHA1
968d91f771b5e235c91952025509479c4456b44e

SHA256
2e1d2b0a86abe46d40843dbc522f6c9891671b21c1ac61e21d32f7245a93eb8b

SHA512
6b19696757654762ec551388c04142d4404892314c3e8a811b3260834dd6110b57be9aa4a0497ff579a4936c91cbdfbf7a938f676ee24e7476ecdd1b668cac3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_X.dat

Filesize
1.2MB

MD5
7719c59fa5a3ddb7a8e5e467d2949fc9

SHA1
e8aa94a71d80a2d311c18429b2cdb26ea715d683

SHA256
d8503cab116c0a1c57b7c654f9ff678a8417117605815a64cd1c238047da04af

SHA512
b8c8dce1099d2577e7601c0071c2f6589c51b7eeabc140d12eb5a3d95bb70e0fc55d6d653bdecf72ddfbd1152a24e283b11a02a5ffa37aa413f06fff7e5f271e

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe

Filesize
2.4MB

MD5
af5d8ca724f31de78b6977292b593d7a

SHA1
19719cfcb8af315f32f7f2a13ee5ca431622d2d4

SHA256
a60be0e5ca14e9fcbf2cd32ea273b35d16bd8ea6690926c9bf910205bfc7ac25

SHA512
635619646de38e89337192f5d24f5c07afdb1db40ed854f6703e88cae5a7f1b94b5f3e0cde9c770c9806468f3a106fe85b3b54303fe584746bf6f173e876494a

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2owvm3gn.eoj.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-JNUJI.tmp\HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.tmp

Filesize
3.2MB

MD5
b99f37670dd60e4c6b249e30015d0001

SHA1
4ff0aeb2979c1113af7e3381c233bc5cdfa83a3d

SHA256
aaba401d258e476b7c6d96cd7f0db6cd6ba3233a68b8d4ae7058ff0ed29fafbf

SHA512
30a247b0ff51498a206545dcf5e807128670aaccf20325ea739b161f0bf0fa3de226e96622ac8d03a7f73316bfaf15e8f77e366c20292b62e18fb923b0a6788c

Download Submit
C:\Users\Public\Documents\setup_maXwjj.dll

Filesize
1.5MB

MD5
04b5342a85dc21f0c828ef0769f557ab

SHA1
fca0dbea62b62c18a01f6f4d1ad3c29ed8eb38c9

SHA256
57e888c2f5fcd9e0d389562911899fad6afa8dbeae70bf7111a1bb7bc73cdfe2

SHA512
c65a673ed321ec5d42a038840e1756f8e34bd509651b65c1f749a0b8e823fae90e430ad15724d1141ccb42bb17c71a1169b688aa1bb22dc613d3793878145ded

Download Submit
memory/820-105-0x0000000000C30000-0x0000000000F76000-memory.dmp

Filesize
3.3MB

Download
memory/1360-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1360-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1360-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1360-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2004-102-0x00000000005D0000-0x0000000000916000-memory.dmp

Filesize
3.3MB

Download
memory/2008-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2008-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2008-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2008-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2008-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3352-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3352-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3352-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3352-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4020-104-0x0000000000700000-0x00000000007E7000-memory.dmp

Filesize
924KB

Download
memory/4020-88-0x0000000000700000-0x00000000007E7000-memory.dmp

Filesize
924KB

Download
memory/4284-29-0x0000000000700000-0x00000000007E7000-memory.dmp

Filesize
924KB

Download
memory/4284-33-0x0000000000701000-0x00000000007A9000-memory.dmp

Filesize
672KB

Download
memory/4284-107-0x0000000000700000-0x00000000007E7000-memory.dmp

Filesize
924KB

Download
memory/4400-138-0x00000000029E0000-0x0000000002A2E000-memory.dmp

Filesize
312KB

Download
memory/4400-139-0x00000000029E0000-0x0000000002A2E000-memory.dmp

Filesize
312KB

Download
memory/4400-140-0x00000000029E0000-0x0000000002A2E000-memory.dmp

Filesize
312KB

Download
memory/4400-141-0x00000000029E0000-0x0000000002A2E000-memory.dmp

Filesize
312KB

Download
memory/4400-142-0x00007FFB478B0000-0x00007FFB479D8000-memory.dmp

Filesize
1.2MB

Download
memory/5008-114-0x000001F04F300000-0x000001F04F322000-memory.dmp

Filesize
136KB

Download