gh0strat | 3bc8aa09d7a729bb01b5c25a56426192dfd0d3f6fdb430d7a9f4ef8945020092

General

Target

3bc8aa09d7a729bb01b5c25a56426192dfd0d3f6fdb430d7a9f4ef8945020092.exe
Size

2.7MB
MD5

b4fcb74ffa1b3669257ff856ce9032c8
SHA1

844d882c4a28e4246202cbe993a2aba9fecf616c
SHA256

3bc8aa09d7a729bb01b5c25a56426192dfd0d3f6fdb430d7a9f4ef8945020092
SHA512

9d580f532a5e43085dbed6213762e83fadf596a82a40284eab5ee504c3012d0dff7e933829ab82f20613b2d021f7572c58f50aa868e353147108bea695e27ddd
SSDEEP

49152:9CwsbCANnKXferL7Vwe/Gg0P+WhSQDmn22:Aws2ANnKXOaeOgmhZDmn22

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/4688-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4688-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4688-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2632-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2632-27-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/456-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/456-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/456-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240649468.txt	family_gh0strat
behavioral2/memory/4688-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4688-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4688-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2632-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2632-27-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/456-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/456-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/456-41-0x0000000010000000-0x00000000101B6000-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:

TXPlatfor.exe

description ioc process

File created C:\Windows\system32\drivers\QAssist.sys TXPlatfor.exe

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

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

R.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240649468.txt"	R.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

TXPlatfor.exe

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

Executes dropped EXE 5 IoCs

Processes:

R.exeN.exeTXPlatfor.exeTXPlatfor.exeRemote Data.exe

pid process

912 R.exe
4688 N.exe
2632 TXPlatfor.exe
456 TXPlatfor.exe
4064 Remote Data.exe
Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

912 R.exe
4684 svchost.exe
4064 Remote Data.exe

pid	process
912	R.exe
4688	N.exe
2632	TXPlatfor.exe
456	TXPlatfor.exe
4064	Remote Data.exe

pid	process
912	R.exe
4684	svchost.exe
4064	Remote Data.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4688-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4688-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4688-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4688-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2632-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2632-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2632-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/456-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/456-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/456-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

R.exeN.exesvchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\240649468.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe

Drops file in Program Files directory 1 IoCs

Processes:

3bc8aa09d7a729bb01b5c25a56426192dfd0d3f6fdb430d7a9f4ef8945020092.exe

description	ioc	process
File created	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	3bc8aa09d7a729bb01b5c25a56426192dfd0d3f6fdb430d7a9f4ef8945020092.exe

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

System Information Discovery
T1082
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1344 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

456 TXPlatfor.exe

pid	process
1344	PING.EXE

pid	process
456	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4688	N.exe
Token: SeLoadDriverPrivilege	456	TXPlatfor.exe
Token: 33	456	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	456	TXPlatfor.exe
Token: 33	456	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	456	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

3bc8aa09d7a729bb01b5c25a56426192dfd0d3f6fdb430d7a9f4ef8945020092.exe

pid	process
652	3bc8aa09d7a729bb01b5c25a56426192dfd0d3f6fdb430d7a9f4ef8945020092.exe
652	3bc8aa09d7a729bb01b5c25a56426192dfd0d3f6fdb430d7a9f4ef8945020092.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

3bc8aa09d7a729bb01b5c25a56426192dfd0d3f6fdb430d7a9f4ef8945020092.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 652 wrote to memory of 912	652	3bc8aa09d7a729bb01b5c25a56426192dfd0d3f6fdb430d7a9f4ef8945020092.exe	R.exe
PID 652 wrote to memory of 912	652	3bc8aa09d7a729bb01b5c25a56426192dfd0d3f6fdb430d7a9f4ef8945020092.exe	R.exe
PID 652 wrote to memory of 912	652	3bc8aa09d7a729bb01b5c25a56426192dfd0d3f6fdb430d7a9f4ef8945020092.exe	R.exe
PID 652 wrote to memory of 4688	652	3bc8aa09d7a729bb01b5c25a56426192dfd0d3f6fdb430d7a9f4ef8945020092.exe	N.exe
PID 652 wrote to memory of 4688	652	3bc8aa09d7a729bb01b5c25a56426192dfd0d3f6fdb430d7a9f4ef8945020092.exe	N.exe
PID 652 wrote to memory of 4688	652	3bc8aa09d7a729bb01b5c25a56426192dfd0d3f6fdb430d7a9f4ef8945020092.exe	N.exe
PID 4688 wrote to memory of 4436	4688	N.exe	cmd.exe
PID 4688 wrote to memory of 4436	4688	N.exe	cmd.exe
PID 4688 wrote to memory of 4436	4688	N.exe	cmd.exe
PID 2632 wrote to memory of 456	2632	TXPlatfor.exe	TXPlatfor.exe
PID 2632 wrote to memory of 456	2632	TXPlatfor.exe	TXPlatfor.exe
PID 2632 wrote to memory of 456	2632	TXPlatfor.exe	TXPlatfor.exe
PID 4436 wrote to memory of 1344	4436	cmd.exe	PING.EXE
PID 4436 wrote to memory of 1344	4436	cmd.exe	PING.EXE
PID 4436 wrote to memory of 1344	4436	cmd.exe	PING.EXE
PID 4684 wrote to memory of 4064	4684	svchost.exe	Remote Data.exe
PID 4684 wrote to memory of 4064	4684	svchost.exe	Remote Data.exe
PID 4684 wrote to memory of 4064	4684	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\3bc8aa09d7a729bb01b5c25a56426192dfd0d3f6fdb430d7a9f4ef8945020092.exe
"C:\Users\Admin\AppData\Local\Temp\3bc8aa09d7a729bb01b5c25a56426192dfd0d3f6fdb430d7a9f4ef8945020092.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:652

C:\Users\Admin\AppData\Local\Temp\R.exe
C:\Users\Admin\AppData\Local\Temp\\R.exe
2⤵
- Sets DLL path for service in the registry
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:912

C:\Users\Admin\AppData\Local\Temp\N.exe
C:\Users\Admin\AppData\Local\Temp\\N.exe
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4688

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\N.exe > nul
3⤵
- Suspicious use of WriteProcessMemory
PID:4436

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:1344

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1096

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4684

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240649468.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4064

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2632

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.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:456

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1420 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8
1⤵
PID:4068

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
2.7MB

MD5
b4fcb74ffa1b3669257ff856ce9032c8

SHA1
844d882c4a28e4246202cbe993a2aba9fecf616c

SHA256
3bc8aa09d7a729bb01b5c25a56426192dfd0d3f6fdb430d7a9f4ef8945020092

SHA512
9d580f532a5e43085dbed6213762e83fadf596a82a40284eab5ee504c3012d0dff7e933829ab82f20613b2d021f7572c58f50aa868e353147108bea695e27ddd

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
C:\Users\Admin\AppData\Local\Temp\RCXB572.tmp

Filesize
2.7MB

MD5
ba49052e613c995226482c1ab45350cc

SHA1
c3f60ebc8ad4ef080b1139a9b8b7b72223cd32ab

SHA256
4217fdb1f119504a506ee12511b5c5351cb8ef7c285260d2aa4a8141bfb6917f

SHA512
6dc5896d61e5ba548e4d573cf4c70657e5046a7e724d90c93fa2bcc9217719e9556f979aeea98926e73baf44abd975f6bf27325d7b2688a6cb3e028e200802ab

Download Submit
C:\Users\Admin\AppData\Local\Temp\X.ico

Filesize
69KB

MD5
e33fb6d686b1a8b171349572c5a33f67

SHA1
29f24fe536adf799b69b63c83efadc1bce457a54

SHA256
020c8e0963f89f4b14538b7d69e83c6fec44a29bbbd52fbb6deb2be5c697f450

SHA512
cf1f1d6a9efe53f84e5b4a8246b87c0b96496716605d1b00352d9aae30e664d3d2cbadebf598b4e690a9feef0b5785887a4e643cc5f68938ca744af1d3539e55

Download Submit
C:\Windows\SysWOW64\240649468.txt

Filesize
899KB

MD5
b4a7835a47f9ffed1d5e20601a512869

SHA1
2fc25f1337aad4ce636dde5087c4ec709cf7467c

SHA256
5ba6b67e1f9af02bab1ab39fd108e8f4799a7792907a69275c217cb76f3b1205

SHA512
7899d46e35ccb89b11bb3d913f11d75bfc937dd0726afbb0fc527731f0b45fb2bff42120be43d467c14a04765da652c98c843e49547602bdbe36c72976fea878

Download Submit
C:\Windows\SysWOW64\Remote Data.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/456-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/456-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/456-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2632-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2632-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2632-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4688-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4688-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4688-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4688-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads