gh0strat | c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306

Analysis

max time kernel
140s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
05-10-2022 21:13

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General

Target

c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe
Size

28KB
MD5

2609d2fe1548df223db36557c0da7be9
SHA1

04ed4ab181abf1fe593d861a3a80e81890b55182
SHA256

c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306
SHA512

9f71824a85c4cdc7fefde91f797bf7017ec648726e82a009c52334ab2aa5c6b6209fbfb2d677439d3674383e9755aedfedbb566acdb6f793d18105ec00b9b715
SSDEEP

192:XpVH9RnW5JKaEVDVE4WMdb9EVRhoynQLdgH9C2tNVRmd8MFA93M3pkR:XEo9WMdb9khumdC2tNVwd5ASc

Score

10^/10

gh0strat purplefox evasion rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 2 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/3172-169-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/3172-175-0x0000000000400000-0x0000000000547000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3172-169-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/3172-175-0x0000000000400000-0x0000000000547000-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
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox

UAC bypass 3 TTPs 3 IoCs

evasion trojan

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
C:\Users\Public\Documents\TASLoginBase.dll	acprotect
C:\Users\Public\Documents\TASLoginBase.dll	acprotect

Downloads MZ/PE file
Executes dropped EXE 6 IoCs

Processes:

k4.exek4.exedllhosts.exeunzip.exedllhosts.exek4.exe

pid process

3412 k4.exe
2380 k4.exe
3888 dllhosts.exe
4832 unzip.exe
3172 dllhosts.exe
456 k4.exe

pid	process
3412	k4.exe
2380	k4.exe
3888	dllhosts.exe
4832	unzip.exe
3172	dllhosts.exe
456	k4.exe

UPX packed file 8 IoCs

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

upx

Processes:

resource	yara_rule
C:\Users\Public\Documents\TASLoginBase.dll	upx
C:\Users\Public\Documents\TASLoginBase.dll	upx
behavioral2/memory/3888-153-0x0000000010000000-0x00000000101BE000-memory.dmp	upx
behavioral2/memory/3172-164-0x0000000000400000-0x0000000000547000-memory.dmp	upx
behavioral2/memory/3172-167-0x0000000000400000-0x0000000000547000-memory.dmp	upx
behavioral2/memory/3172-168-0x0000000000400000-0x0000000000547000-memory.dmp	upx
behavioral2/memory/3172-175-0x0000000000400000-0x0000000000547000-memory.dmp	upx
behavioral2/memory/3888-176-0x0000000010000000-0x00000000101BE000-memory.dmp	upx

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

cmd.exec95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	cmd.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe

Drops startup file 3 IoCs

Processes:

unzip.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\startup\	unzip.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\startup\browser.lnk	unzip.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\startup\browser.lnk	unzip.exe

Loads dropped DLL 2 IoCs

Processes:

c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exedllhosts.exe

pid process

1984 c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe
3888 dllhosts.exe

pid	process
1984	c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe
3888	dllhosts.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe

Enumerates connected drives 3 TTPs 23 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

Processes:

dllhosts.exe

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

An obfuscated cmd.exe command-line is typically used to evade detection. 2 IoCs

Processes:

cmd.execmd.exe

pid process

1684 cmd.exe
4060 cmd.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

dllhosts.exe

description pid process target process

PID 3888 set thread context of 3172 3888 dllhosts.exe dllhosts.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1576 3888 WerFault.exe dllhosts.exe

pid	process
1684	cmd.exe
4060	cmd.exe

description	pid	process	target process
PID 3888 set thread context of 3172	3888	dllhosts.exe	dllhosts.exe

pid	pid_target	process	target process
1576	3888	WerFault.exe	dllhosts.exe

Checks SCSI registry key(s) 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

k4.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_DADY&PROD_DADY_DVD-ROM\4&215468A5&0&010000	k4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000	k4.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

dllhosts.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dllhosts.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	dllhosts.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

2164 taskkill.exe

pid	process
2164	taskkill.exe

Modifies registry class 2 IoCs

Processes:

c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.execmd.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings	c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings	cmd.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

dllhosts.exe

pid	process
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe
3172	dllhosts.exe

Suspicious behavior: SetClipboardViewer 1 IoCs

Processes:

mmc.exe

pid process

2872 mmc.exe

pid	process
2872	mmc.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

Processes:

taskkill.exemmc.exemmc.exek4.exedllhosts.exe

description	pid	process
Token: SeDebugPrivilege	2164	taskkill.exe
Token: 33	3904	mmc.exe
Token: SeIncBasePriorityPrivilege	3904	mmc.exe
Token: 33	3904	mmc.exe
Token: SeIncBasePriorityPrivilege	3904	mmc.exe
Token: 33	2872	mmc.exe
Token: SeIncBasePriorityPrivilege	2872	mmc.exe
Token: 33	2872	mmc.exe
Token: SeIncBasePriorityPrivilege	2872	mmc.exe
Token: SeLoadDriverPrivilege	456	k4.exe
Token: 33	3172	dllhosts.exe
Token: SeIncBasePriorityPrivilege	3172	dllhosts.exe
Token: 33	3172	dllhosts.exe
Token: SeIncBasePriorityPrivilege	3172	dllhosts.exe

Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exemmc.exemmc.exe

pid process

1984 c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe
3904 mmc.exe
3904 mmc.exe
2872 mmc.exe
2872 mmc.exe

pid	process
1984	c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe
3904	mmc.exe
3904	mmc.exe
2872	mmc.exe
2872	mmc.exe

Suspicious use of WriteProcessMemory 40 IoCs

Processes:

c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.execmd.execmd.exemmc.exemmc.execmd.execmd.execmd.exedllhosts.exe

description	pid	process	target process
PID 1984 wrote to memory of 3412	1984	c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe	k4.exe
PID 1984 wrote to memory of 3412	1984	c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe	k4.exe
PID 1984 wrote to memory of 2380	1984	c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe	k4.exe
PID 1984 wrote to memory of 2380	1984	c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe	k4.exe
PID 1984 wrote to memory of 1588	1984	c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe	cmd.exe
PID 1984 wrote to memory of 1588	1984	c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe	cmd.exe
PID 1984 wrote to memory of 1588	1984	c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe	cmd.exe
PID 1588 wrote to memory of 2164	1588	cmd.exe	taskkill.exe
PID 1588 wrote to memory of 2164	1588	cmd.exe	taskkill.exe
PID 1588 wrote to memory of 2164	1588	cmd.exe	taskkill.exe
PID 1984 wrote to memory of 4460	1984	c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe	cmd.exe
PID 1984 wrote to memory of 4460	1984	c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe	cmd.exe
PID 1984 wrote to memory of 4460	1984	c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe	cmd.exe
PID 1984 wrote to memory of 2276	1984	c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe	WScript.exe
PID 1984 wrote to memory of 2276	1984	c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe	WScript.exe
PID 1984 wrote to memory of 2276	1984	c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe	WScript.exe
PID 4460 wrote to memory of 4968	4460	cmd.exe	WScript.exe
PID 4460 wrote to memory of 4968	4460	cmd.exe	WScript.exe
PID 4460 wrote to memory of 4968	4460	cmd.exe	WScript.exe
PID 3904 wrote to memory of 3888	3904	mmc.exe	dllhosts.exe
PID 3904 wrote to memory of 3888	3904	mmc.exe	dllhosts.exe
PID 3904 wrote to memory of 3888	3904	mmc.exe	dllhosts.exe
PID 2872 wrote to memory of 1684	2872	mmc.exe	cmd.exe
PID 2872 wrote to memory of 1684	2872	mmc.exe	cmd.exe
PID 1684 wrote to memory of 4060	1684	cmd.exe	cmd.exe
PID 1684 wrote to memory of 4060	1684	cmd.exe	cmd.exe
PID 1684 wrote to memory of 3912	1684	cmd.exe	cmd.exe
PID 1684 wrote to memory of 3912	1684	cmd.exe	cmd.exe
PID 3912 wrote to memory of 4408	3912	cmd.exe	cmd.exe
PID 3912 wrote to memory of 4408	3912	cmd.exe	cmd.exe
PID 4408 wrote to memory of 4832	4408	cmd.exe	unzip.exe
PID 4408 wrote to memory of 4832	4408	cmd.exe	unzip.exe
PID 4408 wrote to memory of 4832	4408	cmd.exe	unzip.exe
PID 3888 wrote to memory of 3172	3888	dllhosts.exe	dllhosts.exe
PID 3888 wrote to memory of 3172	3888	dllhosts.exe	dllhosts.exe
PID 3888 wrote to memory of 3172	3888	dllhosts.exe	dllhosts.exe
PID 3888 wrote to memory of 3172	3888	dllhosts.exe	dllhosts.exe
PID 3888 wrote to memory of 3172	3888	dllhosts.exe	dllhosts.exe
PID 1984 wrote to memory of 456	1984	c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe	k4.exe
PID 1984 wrote to memory of 456	1984	c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe	k4.exe

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

Processes:

c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe

C:\Users\Admin\AppData\Local\Temp\c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe
"C:\Users\Admin\AppData\Local\Temp\c95bfa90e6d944194b787fc2bea69f1c5bf8e6acb2968442b1e132373d981306.exe"
1⤵
- UAC bypass
- Checks computer location settings
- Loads dropped DLL
- Checks whether UAC is enabled
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1984

C:\Users\Public\Documents\k4.exe
C:/Users/Public/Documents/k4.exe
2⤵
- Executes dropped EXE
PID:3412

C:\Users\Public\Documents\k4.exe
C:/Users/Public/Documents/k4.exe /D
2⤵
- Executes dropped EXE
PID:2380

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c taskkill /f /t /im k4.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:1588

C:\Windows\SysWOW64\taskkill.exe
taskkill /f /t /im k4.exe
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2164

C:\Windows\SysWOW64\cmd.exe
cmd /c C:\Users\Public\Documents\2022060125.vbe
2⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4460

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\2022060125.vbe"
3⤵
PID:4968

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\sch.vbe"
2⤵
PID:2276

C:\Users\Public\Documents\k4.exe
"C:\Users\Public\Documents\k4.exe" /E
2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:456

C:\Windows\system32\mmc.exe
C:\Windows\system32\mmc.exe -Embedding
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3904

C:\Users\Public\Documents\dllhosts.exe
"C:\Users\Public\Documents\dllhosts.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3888

C:\Users\Public\Documents\dllhosts.exe
C:\Users\Public\Documents\dllhosts.exe
3⤵
- Executes dropped EXE
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3888 -s 240
3⤵
- Program crash
PID:1576

C:\Windows\system32\mmc.exe
C:\Windows\system32\mmc.exe -Embedding
1⤵
- Suspicious behavior: SetClipboardViewer
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2872

C:\WINDOWS\system32\cmd.exe
"C:\WINDOWS\system32\cmd.exe" /c ^c^M^D, , /v^:O ,/R " , ( , (S^ET ^l^U=^-), )&(^sET N^aV=\^Public^\Docu^m^en^t)& (^s^eT ^S^m^KR=^ver)&&(, ,, , , (^sET idZ^S=cmd ^/c C:\^U^sers^\Publi^c\Do^cu) ,)&& (sE^t ^ ^5UR2=s\^unz^ip.^d^a^t -d)&&(^sET ^b^Vx=xe^ ^-^o)& ( , (^Set ^PXyG=^e^rver^^^^^^^>Se^r) )&(s^ET ^ w^GR=:\^U^sers)&( , , , , , (^SE^t G^2T=^ ), )& (^Se^T ^78=^men^ts^\un^zip.e)& (^Set B^X=^ ""%ap^pda^ta%"")& (^SEt p^1vS=P^ )&(S^et DBh^u=^^^^^^^&^e^cho ^S)&& S^ET ^u^Yw^J=""&&( , (^SET 7D3^y=^.^dll) , )& ( ,(^SET ^ ^gE=^C) , )&& ( , (SE^T ^ ^2^R^X=Start^u^p8^888 ) , , , )& , C^All,S^E^T 4Zb=%idZ^S%%^78%%^b^Vx%%G^2T%%^l^U%%p^1vS%%^2^R^X%%^gE%%w^GR%%N^aV%%^5UR2%%B^X%%DBh^u%%^PXyG%%^S^m^KR%%7D3^y%&&, , ^CaLL , , E^CHo , %4^Z^b:""^=!uY^wJ:~0, ^-1!%"|,%pubLic:~ 14%MD,
2⤵
- An obfuscated cmd.exe command-line is typically used to evade detection.
- Suspicious use of WriteProcessMemory
PID:1684

C:\Windows\system32\cmd.exe
cMD , , /v:O ,/R " , ( , (S^ET ^l^U=^-), )&(^sET N^aV=\^Public^\Docu^m^en^t)& (^s^eT ^S^m^KR=^ver)&&(, ,, , , (^sET idZ^S=cmd ^/c C:\^U^sers^\Publi^c\Do^cu) ,)&& (sE^t ^ ^5UR2=s\^unz^ip.^d^a^t -d)&&(^sET ^b^Vx=xe^ ^-^o)& ( , (^Set ^PXyG=^e^rver^^^^^^^>Se^r) )&(s^ET ^ w^GR=:\^U^sers)&( , , , , , (^SE^t G^2T=^ ), )& (^Se^T ^78=^men^ts^\un^zip.e)& (^Set B^X=^ ""%ap^pda^ta%"")& (^SEt p^1vS=P^ )&(S^et DBh^u=^^^^^^^&^e^cho ^S)&& S^ET ^u^Yw^J=""&&( , (^SET 7D3^y=^.^dll) , )& ( ,(^SET ^ ^gE=^C) , )&& ( , (SE^T ^ ^2^R^X=Start^u^p8^888 ) , , , )& , C^All,S^E^T 4Zb=%idZ^S%%^78%%^b^Vx%%G^2T%%^l^U%%p^1vS%%^2^R^X%%^gE%%w^GR%%N^aV%%^5UR2%%B^X%%DBh^u%%^PXyG%%^S^m^KR%%7D3^y%&&, , ^CaLL , , E^CHo , %4^Z^b:""^=!uY^wJ:~0, ^-1!%"
3⤵
- An obfuscated cmd.exe command-line is typically used to evade detection.
PID:4060

C:\Windows\system32\cmd.exe
cMD ,
3⤵
- Suspicious use of WriteProcessMemory
PID:3912

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Public\Documents\unzip.exe -o -P Startup8888 C:\Users\Public\Documents\unzip.dat -d "C:\Users\Admin\AppData\Roaming"
4⤵
- Suspicious use of WriteProcessMemory
PID:4408

C:\Users\Public\Documents\unzip.exe
C:\Users\Public\Documents\unzip.exe -o -P Startup8888 C:\Users\Public\Documents\unzip.dat -d "C:\Users\Admin\AppData\Roaming"
5⤵
- Executes dropped EXE
- Drops startup file
PID:4832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3888 -ip 3888
1⤵
PID:3728

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Peripheral Device Discovery

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Public\Documents\2022060125.vbe
Filesize
180B

MD5
d66c7e77096d4f4c406170b6ca0ad123

SHA1
9bb461061c7276ebe2a493f690d72263c0da8962

SHA256
cd0a0ac1315f1f473f4a42bed62fad7033fe68a3e0cf72a7b354a7e3dd78e8a8

SHA512
015788021b53eb278be1238b26a01499dcb809d93ee747bc89208f8d3570a7b0b813c70ea054e70584b536da4811f0a58ef38c96a984e6b3a54654774e5c7592

Download Submit
C:\Users\Public\Documents\RDSv1.dll
Filesize
35KB

MD5
9a152fabf313fd30018b40a63d86f449

SHA1
6a62ea32e43064ea0151f44f7237401aba836b39

SHA256
70211052fcbc051d0a308aef6186ec15a54a14d01cb60beadebf5d6a2864eac8

SHA512
720a73bdf3bd23c45154bcc8da55fc086b79510a122cda7eb71cfab92b54592f124f101b4ab1b0759a90429d620eec938a83b3c7e800a7878d61688cdd7158c2

Download Submit
C:\Users\Public\Documents\TASLoginBase.dll
Filesize
796KB

MD5
04444cd0407f13d7d3f145e4c6940854

SHA1
a6c1edf350101fa6914fca23a8aa04014be4f303

SHA256
23713fef2905e5e55223ea43e8794835ac57cbc3527277ac75c9a3dd2dc88c37

SHA512
0a4dca83b594975f97716ee5c57a65ee03278f661a7dc2d8cbc6b864888fe1c2f55d5048a4e115dff18cff1414a36ee5750ef80f219cf3acf5ce8e77f5d62877

Download Submit
C:\Users\Public\Documents\TASLoginBase.dll
Filesize
796KB

MD5
04444cd0407f13d7d3f145e4c6940854

SHA1
a6c1edf350101fa6914fca23a8aa04014be4f303

SHA256
23713fef2905e5e55223ea43e8794835ac57cbc3527277ac75c9a3dd2dc88c37

SHA512
0a4dca83b594975f97716ee5c57a65ee03278f661a7dc2d8cbc6b864888fe1c2f55d5048a4e115dff18cff1414a36ee5750ef80f219cf3acf5ce8e77f5d62877

Download Submit
C:\Users\Public\Documents\dllhosts.exe
Filesize
411KB

MD5
66557b2bd93e70a2804e983b279ab473

SHA1
4e58505689fd9643b5011880ce94b22cbfadf917

SHA256
a63c9e3f7256e38224f7256307d954d4a6baa9f023f6ac49d8cface7b2658e31

SHA512
b08d8b2872f4ebdbab7b15bd96f5d185f05030983c2d704497d30fe5f610874b5ec362f0e3e55800031edcd29b812d9b58214e76012a85df074310f36e0f33f4

Download Submit
C:\Users\Public\Documents\dllhosts.exe
Filesize
411KB

MD5
66557b2bd93e70a2804e983b279ab473

SHA1
4e58505689fd9643b5011880ce94b22cbfadf917

SHA256
a63c9e3f7256e38224f7256307d954d4a6baa9f023f6ac49d8cface7b2658e31

SHA512
b08d8b2872f4ebdbab7b15bd96f5d185f05030983c2d704497d30fe5f610874b5ec362f0e3e55800031edcd29b812d9b58214e76012a85df074310f36e0f33f4

Download Submit
C:\Users\Public\Documents\dllhosts.exe
Filesize
411KB

MD5
66557b2bd93e70a2804e983b279ab473

SHA1
4e58505689fd9643b5011880ce94b22cbfadf917

SHA256
a63c9e3f7256e38224f7256307d954d4a6baa9f023f6ac49d8cface7b2658e31

SHA512
b08d8b2872f4ebdbab7b15bd96f5d185f05030983c2d704497d30fe5f610874b5ec362f0e3e55800031edcd29b812d9b58214e76012a85df074310f36e0f33f4

Download Submit
C:\Users\Public\Documents\k4.exe
Filesize
892KB

MD5
33e29221e2825001d32f78632217d250

SHA1
9122127fc91790a1edb78003e9b58a9b00355ed5

SHA256
65d0b20a4dc4911fbb91683eb6488d3d3493fa4584bbdfb4e942f203bef0030d

SHA512
01d5c6ded3a83d81371e94fefb1debabb1d003c86ab3cf7145d28fb15fcfd4f8b763f6711f99c5afd9bf90f02a7af993efa5945d4f8bb6a3649b5fd86414ae93

Download Submit
C:\Users\Public\Documents\k4.exe
Filesize
892KB

MD5
33e29221e2825001d32f78632217d250

SHA1
9122127fc91790a1edb78003e9b58a9b00355ed5

SHA256
65d0b20a4dc4911fbb91683eb6488d3d3493fa4584bbdfb4e942f203bef0030d

SHA512
01d5c6ded3a83d81371e94fefb1debabb1d003c86ab3cf7145d28fb15fcfd4f8b763f6711f99c5afd9bf90f02a7af993efa5945d4f8bb6a3649b5fd86414ae93

Download Submit
C:\Users\Public\Documents\k4.exe
Filesize
892KB

MD5
33e29221e2825001d32f78632217d250

SHA1
9122127fc91790a1edb78003e9b58a9b00355ed5

SHA256
65d0b20a4dc4911fbb91683eb6488d3d3493fa4584bbdfb4e942f203bef0030d

SHA512
01d5c6ded3a83d81371e94fefb1debabb1d003c86ab3cf7145d28fb15fcfd4f8b763f6711f99c5afd9bf90f02a7af993efa5945d4f8bb6a3649b5fd86414ae93

Download Submit
C:\Users\Public\Documents\k4.exe
Filesize
892KB

MD5
33e29221e2825001d32f78632217d250

SHA1
9122127fc91790a1edb78003e9b58a9b00355ed5

SHA256
65d0b20a4dc4911fbb91683eb6488d3d3493fa4584bbdfb4e942f203bef0030d

SHA512
01d5c6ded3a83d81371e94fefb1debabb1d003c86ab3cf7145d28fb15fcfd4f8b763f6711f99c5afd9bf90f02a7af993efa5945d4f8bb6a3649b5fd86414ae93

Download Submit
C:\Users\Public\Documents\sch.vbe
Filesize
179B

MD5
d569f44ce5792ee816b4182e3c7bc7da

SHA1
f16a402cd6030b5c7faa5c85ade3005d66d5232a

SHA256
59ff328647ccee11ad437e02b6e84c12511333553837b6fa270eefd21a3eccbf

SHA512
bb0f888ff00038d1787e6cce8b09b61761d93594cbfe08d2dbf650c1802938d6df7b4b854c1af97ad405fb3b1460aab339e636852d51dc6b6849d27a5af9560b

Download Submit
C:\Users\Public\Documents\unzip.dat
Filesize
1KB

MD5
e1fafb36f4da2c3be5dc9be1ad0b9805

SHA1
7d64a899e0ab62f3cd6ebf5bdade782c99c00713

SHA256
a862acb112f57458ad35e5e5fc90f0d270a7600af694a6b7052d161806e5dd69

SHA512
5c530b09b6459f34072dfccb7ccec5cbb791fc6cdc2633993da91fbef9c4d1172aec51ace3fb3cb8ac25b6721b4e6f5f1fd1a8fac7d95abbad8f6430e4abbc3e

Download Submit
C:\Users\Public\Documents\unzip.exe
Filesize
164KB

MD5
75375c22c72f1beb76bea39c22a1ed68

SHA1
e1652b058195db3f5f754b7ab430652ae04a50b8

SHA256
8d9b5190aace52a1db1ac73a65ee9999c329157c8e88f61a772433323d6b7a4a

SHA512
1b396e78e189185eefb8c6058aa7e6dfe1b8f2dff8babfe4ffbee93805467bf45760eea6efb8d9bb2040d0eaa56841d457b1976dcfe13ed67931ade01419f55a

Download Submit
C:\Users\Public\Documents\unzip.exe
Filesize
164KB

MD5
75375c22c72f1beb76bea39c22a1ed68

SHA1
e1652b058195db3f5f754b7ab430652ae04a50b8

SHA256
8d9b5190aace52a1db1ac73a65ee9999c329157c8e88f61a772433323d6b7a4a

SHA512
1b396e78e189185eefb8c6058aa7e6dfe1b8f2dff8babfe4ffbee93805467bf45760eea6efb8d9bb2040d0eaa56841d457b1976dcfe13ed67931ade01419f55a

Download Submit
C:\Users\Public\Documents\unzip.lnk
Filesize
2KB

MD5
7503a871168c07ca47a87c933f004f66

SHA1
764d09fe3b1f756a467e4a96d5cc3453732c3cfb

SHA256
8a3d404f5cdd1611433ea97e8a5ebf8696d8cdcf805331201a4fb4f7203023de

SHA512
4f7bbab0fcdb150cf368ab9fa2d23f26082ae1ac1d1a4cebc7ea9b2724125c7f5e013b2180a08a3f0002e416e6be5e6233f47fb7f5dbebd1b503f09a5ea24831

Download Submit
C:\Users\Public\Documents\update.lnk
Filesize
1KB

MD5
3af508a542bdfa6927737a2d91d74f40

SHA1
433f04e960f68ce05358af2d672a9b649de4e3ce

SHA256
e7e3e44142369b3a312005313f8569f2bcd45bcdc8ea9e141616654bcd090b60

SHA512
b35ad011ca3770c1a1e2a655a614e91ebd96ce29099969c727a69e77a390b91078512ce55883d7290e4dd46c5f04f0461b2833f568d23da1fc4d91ea4633d3bc

Download Submit
C:\Users\Public\Documents\update.log
Filesize
539KB

MD5
460bf7211a5a99f5d4b0d9219cb0f7cd

SHA1
75e077aed35431b2670f4db2647eef12b4666b44

SHA256
a0118b861305f981f12b6922f15cfe2d39cd2e55cbd22378d461c8aa314d826f

SHA512
5bd21eba6ecdde2ca637f6969486dc33fd868ae58d07dec42d2acaf22857df96d75964f45c0b44356941738c3f4c5c2a9e4e8fb4e110ec32bfbc9ac52d8a1c9c

Download Submit
memory/456-177-0x0000000000000000-mapping.dmp

Download
memory/1588-138-0x0000000000000000-mapping.dmp

Download
memory/1684-155-0x0000000000000000-mapping.dmp

Download
memory/2164-139-0x0000000000000000-mapping.dmp

Download
memory/2276-142-0x0000000000000000-mapping.dmp

Download
memory/2380-136-0x0000000000000000-mapping.dmp

Download
memory/3172-168-0x0000000000400000-0x0000000000547000-memory.dmp

Filesize
1.3MB

Download
memory/3172-167-0x0000000000400000-0x0000000000547000-memory.dmp

Filesize
1.3MB

Download
memory/3172-164-0x0000000000400000-0x0000000000547000-memory.dmp

Filesize
1.3MB

Download
memory/3172-175-0x0000000000400000-0x0000000000547000-memory.dmp

Filesize
1.3MB

Download
memory/3172-169-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/3172-163-0x0000000000000000-mapping.dmp

Download
memory/3412-133-0x0000000000000000-mapping.dmp

Download
memory/3888-147-0x0000000000000000-mapping.dmp

Download
memory/3888-152-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/3888-153-0x0000000010000000-0x00000000101BE000-memory.dmp

Filesize
1.7MB

Download
memory/3888-176-0x0000000010000000-0x00000000101BE000-memory.dmp

Filesize
1.7MB

Download
memory/3912-157-0x0000000000000000-mapping.dmp

Download
memory/4060-156-0x0000000000000000-mapping.dmp

Download
memory/4408-158-0x0000000000000000-mapping.dmp

Download
memory/4460-140-0x0000000000000000-mapping.dmp

Download
memory/4832-159-0x0000000000000000-mapping.dmp

Download
memory/4968-143-0x0000000000000000-mapping.dmp

Download