gh0strat | 0a06a6d30c526cbc7cf06800d016d00aed30e37f549629086a98e2a1b6500d17

General

Target

2f720e00e867cdcf85d25d8e376d1b84.exe
Size

15.0MB
MD5

2f720e00e867cdcf85d25d8e376d1b84
SHA1

c908a940f494ef225b07e4357ee073b9b9d31937
SHA256

0a06a6d30c526cbc7cf06800d016d00aed30e37f549629086a98e2a1b6500d17
SHA512

aad356187eeeaf2043b66e9ceeb08a6cf8cbaf5719870f69f5e9dfbb8797653fb213d436bd0507ae79b54ac896d448c758899f072cc3c76c73ecced50f540130
SSDEEP

393216:YnCvTMWhNK1p2xDO1S205Wn57MPmnVsgWCLT1MT3Re0gyf28oo:YCvz412C3n5ciVsgWGqLRbgy+Po

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 9 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/4952-137-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4952-138-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4952-139-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4952-140-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2832-148-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2832-149-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2832-155-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1092-159-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1092-191-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4952-137-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4952-138-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4952-139-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4952-140-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2832-148-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2832-149-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2832-155-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1092-159-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1092-191-0x0000000010000000-0x00000000101B6000-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
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Drops file in Drivers directory 1 IoCs

Processes:

TXPlatforn.exe

description ioc process

File created C:\Windows\system32\drivers\QAssist.sys TXPlatforn.exe
Executes dropped EXE 4 IoCs

Processes:

RVN.exeHD_2f720e00e867cdcf85d25d8e376d1b84.exeTXPlatforn.exeTXPlatforn.exe

pid process

4952 RVN.exe
4768 HD_2f720e00e867cdcf85d25d8e376d1b84.exe
2832 TXPlatforn.exe
1092 TXPlatforn.exe

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

pid	process
4952	RVN.exe
4768	HD_2f720e00e867cdcf85d25d8e376d1b84.exe
2832	TXPlatforn.exe
1092	TXPlatforn.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

TXPlatforn.exe

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

UPX packed file 11 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4952-135-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4952-137-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4952-138-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4952-139-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4952-140-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2832-146-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2832-148-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2832-149-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2832-155-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1092-159-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1092-191-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

Processes:

RVN.exe

description ioc process

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

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

Drops file in Program Files directory 5 IoCs

Processes:

2f720e00e867cdcf85d25d8e376d1b84.exe

description	ioc	process
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	2f720e00e867cdcf85d25d8e376d1b84.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	2f720e00e867cdcf85d25d8e376d1b84.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	2f720e00e867cdcf85d25d8e376d1b84.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	2f720e00e867cdcf85d25d8e376d1b84.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	2f720e00e867cdcf85d25d8e376d1b84.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

380 4768 WerFault.exe HD_2f720e00e867cdcf85d25d8e376d1b84.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4316 PING.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2f720e00e867cdcf85d25d8e376d1b84.exe

pid process

1124 2f720e00e867cdcf85d25d8e376d1b84.exe
1124 2f720e00e867cdcf85d25d8e376d1b84.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

1092 TXPlatforn.exe

pid	pid_target	process	target process
380	4768	WerFault.exe	HD_2f720e00e867cdcf85d25d8e376d1b84.exe

pid	process
4316	PING.EXE

pid	process
1124	2f720e00e867cdcf85d25d8e376d1b84.exe
1124	2f720e00e867cdcf85d25d8e376d1b84.exe

pid	process
1092	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

RVN.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4952	RVN.exe
Token: SeLoadDriverPrivilege	1092	TXPlatforn.exe
Token: 33	1092	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	1092	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

2f720e00e867cdcf85d25d8e376d1b84.exe

pid process

1124 2f720e00e867cdcf85d25d8e376d1b84.exe
1124 2f720e00e867cdcf85d25d8e376d1b84.exe

pid	process
1124	2f720e00e867cdcf85d25d8e376d1b84.exe
1124	2f720e00e867cdcf85d25d8e376d1b84.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

2f720e00e867cdcf85d25d8e376d1b84.exeRVN.exeTXPlatforn.execmd.exe

description	pid	process	target process
PID 1124 wrote to memory of 4952	1124	2f720e00e867cdcf85d25d8e376d1b84.exe	RVN.exe
PID 1124 wrote to memory of 4952	1124	2f720e00e867cdcf85d25d8e376d1b84.exe	RVN.exe
PID 1124 wrote to memory of 4952	1124	2f720e00e867cdcf85d25d8e376d1b84.exe	RVN.exe
PID 1124 wrote to memory of 4768	1124	2f720e00e867cdcf85d25d8e376d1b84.exe	HD_2f720e00e867cdcf85d25d8e376d1b84.exe
PID 1124 wrote to memory of 4768	1124	2f720e00e867cdcf85d25d8e376d1b84.exe	HD_2f720e00e867cdcf85d25d8e376d1b84.exe
PID 1124 wrote to memory of 4768	1124	2f720e00e867cdcf85d25d8e376d1b84.exe	HD_2f720e00e867cdcf85d25d8e376d1b84.exe
PID 4952 wrote to memory of 3656	4952	RVN.exe	cmd.exe
PID 4952 wrote to memory of 3656	4952	RVN.exe	cmd.exe
PID 4952 wrote to memory of 3656	4952	RVN.exe	cmd.exe
PID 2832 wrote to memory of 1092	2832	TXPlatforn.exe	TXPlatforn.exe
PID 2832 wrote to memory of 1092	2832	TXPlatforn.exe	TXPlatforn.exe
PID 2832 wrote to memory of 1092	2832	TXPlatforn.exe	TXPlatforn.exe
PID 3656 wrote to memory of 4316	3656	cmd.exe	PING.EXE
PID 3656 wrote to memory of 4316	3656	cmd.exe	PING.EXE
PID 3656 wrote to memory of 4316	3656	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\2f720e00e867cdcf85d25d8e376d1b84.exe
"C:\Users\Admin\AppData\Local\Temp\2f720e00e867cdcf85d25d8e376d1b84.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1124

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
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4952

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⤵
- Suspicious use of WriteProcessMemory
PID:3656

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:4316

C:\Users\Admin\AppData\Local\Temp\HD_2f720e00e867cdcf85d25d8e376d1b84.exe
C:\Users\Admin\AppData\Local\Temp\HD_2f720e00e867cdcf85d25d8e376d1b84.exe
2⤵
- Executes dropped EXE
PID:4768

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4768 -s 620
3⤵
- Program crash
PID:380

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2832

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -acsi
2⤵
- Drops file in Drivers directory
- Executes dropped EXE
- Sets service image path in registry
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:1092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4768 -ip 4768
1⤵
PID:3256

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Remote System Discovery

1

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\HD_2f720e00e867cdcf85d25d8e376d1b84.exe
Filesize
13.8MB

MD5
2fcc054c12ff3e75e3f564e2b48aae2e

SHA1
0bef921fac3fd8c1402a32e0fbd7491438a4424d

SHA256
8942726d6e963353f82ad2d1962818581e602dc69d54280f18c93b4d12da68d8

SHA512
a771e424c8c8779b6423f3f3c6ecc35fcb7c3368f8d3b7d59b42d295d4074f12f5f9509bb4d4f443e240c70ebd43776fc856fdb794fa897b3a32805fdffa8840

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_2f720e00e867cdcf85d25d8e376d1b84.exe
Filesize
13.8MB

MD5
2fcc054c12ff3e75e3f564e2b48aae2e

SHA1
0bef921fac3fd8c1402a32e0fbd7491438a4424d

SHA256
8942726d6e963353f82ad2d1962818581e602dc69d54280f18c93b4d12da68d8

SHA512
a771e424c8c8779b6423f3f3c6ecc35fcb7c3368f8d3b7d59b42d295d4074f12f5f9509bb4d4f443e240c70ebd43776fc856fdb794fa897b3a32805fdffa8840

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\RVN.exe
Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
C:\Windows\SysWOW64\TXPlatforn.exe
Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
C:\Windows\SysWOW64\TXPlatforn.exe
Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
C:\Windows\SysWOW64\TXPlatforn.exe
Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/1092-191-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1092-159-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1092-151-0x0000000000000000-mapping.dmp

Download
memory/2832-155-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2832-146-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2832-148-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2832-149-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3656-150-0x0000000000000000-mapping.dmp

Download
memory/4316-160-0x0000000000000000-mapping.dmp

Download
memory/4768-161-0x0000000005960000-0x0000000005D22000-memory.dmp

Filesize
3.8MB

Download
memory/4768-187-0x00000000059EC000-0x0000000005B3A000-memory.dmp

Filesize
1.3MB

Download
memory/4768-190-0x0000000005960000-0x0000000005D22000-memory.dmp

Filesize
3.8MB

Download
memory/4768-154-0x0000000000400000-0x0000000001885000-memory.dmp

Filesize
20.5MB

Download
memory/4768-189-0x0000000000400000-0x0000000001885000-memory.dmp

Filesize
20.5MB

Download
memory/4768-188-0x00000000059C5000-0x00000000059D5000-memory.dmp

Filesize
64KB

Download
memory/4768-186-0x00000000059E2000-0x00000000059EC000-memory.dmp

Filesize
40KB

Download
memory/4768-141-0x0000000000000000-mapping.dmp

Download
memory/4768-163-0x0000000005960000-0x0000000005D22000-memory.dmp

Filesize
3.8MB

Download
memory/4768-166-0x0000000005960000-0x0000000005D22000-memory.dmp

Filesize
3.8MB

Download
memory/4768-170-0x0000000005960000-0x0000000005D22000-memory.dmp

Filesize
3.8MB

Download
memory/4768-174-0x0000000005960000-0x0000000005D22000-memory.dmp

Filesize
3.8MB

Download
memory/4768-178-0x0000000005960000-0x0000000005D22000-memory.dmp

Filesize
3.8MB

Download
memory/4768-182-0x0000000005960000-0x0000000005D22000-memory.dmp

Filesize
3.8MB

Download
memory/4768-185-0x0000000005960000-0x0000000005D22000-memory.dmp

Filesize
3.8MB

Download
memory/4952-140-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4952-139-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4952-137-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4952-138-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4952-132-0x0000000000000000-mapping.dmp

Download
memory/4952-135-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads