gh0strat | c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc

General

Target

c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe
Size

6.5MB
MD5

dd2a7a4ee1d5b17ac5ea593feca56035
SHA1

2a696597bdf4ab5b2e830783de0944f1efef42aa
SHA256

c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc
SHA512

f560c30922050707aa4e62e56e034958ce330411a8721a704db7b8ff2c2d459adf0aa5297b18bb1b52d2f2535ba1baeb2c3fbd07c87bbd732a8110969dddfe35
SSDEEP

98304:Ews2ANnKXOaeOgmhpL07igPzUYm9uALfprsQNnQf7UOR:SKXbeO7LL0PsuAdy

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/4648-22-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4648-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4648-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2528-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2528-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3900-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3900-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3900-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240651718.txt	family_gh0strat
behavioral2/memory/4648-22-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4648-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4648-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2528-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2528-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3900-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3900-45-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3900-46-0x0000000010000000-0x00000000101B6000-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\\240651718.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 6 IoCs

Processes:

R.exeN.exeTXPlatfor.exeTXPlatfor.exeHD_c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exeRemote Data.exe

pid	process
2112	R.exe
4648	N.exe
2528	TXPlatfor.exe
3900	TXPlatfor.exe
2484	HD_c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe
1800	Remote Data.exe

Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

2112 R.exe
220 svchost.exe
1800 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/4648-22-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4648-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4648-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4648-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2528-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2528-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2528-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3900-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3900-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3900-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

N.exeR.exesvchost.exe

description	ioc	process
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\240651718.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3224 PING.EXE

pid	process
3224	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe

pid	process
4728	c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe
4728	c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

3900 TXPlatfor.exe

pid	process
3900	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4648	N.exe
Token: SeLoadDriverPrivilege	3900	TXPlatfor.exe
Token: 33	3900	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3900	TXPlatfor.exe
Token: 33	3900	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3900	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exeHD_c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe

pid	process
4728	c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe
4728	c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe
2484	HD_c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe
2484	HD_c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe
2484	HD_c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe
2484	HD_c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 4728 wrote to memory of 2112	4728	c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe	R.exe
PID 4728 wrote to memory of 2112	4728	c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe	R.exe
PID 4728 wrote to memory of 2112	4728	c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe	R.exe
PID 4728 wrote to memory of 4648	4728	c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe	N.exe
PID 4728 wrote to memory of 4648	4728	c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe	N.exe
PID 4728 wrote to memory of 4648	4728	c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe	N.exe
PID 4648 wrote to memory of 3652	4648	N.exe	cmd.exe
PID 4648 wrote to memory of 3652	4648	N.exe	cmd.exe
PID 4648 wrote to memory of 3652	4648	N.exe	cmd.exe
PID 2528 wrote to memory of 3900	2528	TXPlatfor.exe	TXPlatfor.exe
PID 2528 wrote to memory of 3900	2528	TXPlatfor.exe	TXPlatfor.exe
PID 2528 wrote to memory of 3900	2528	TXPlatfor.exe	TXPlatfor.exe
PID 4728 wrote to memory of 2484	4728	c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe	HD_c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe
PID 4728 wrote to memory of 2484	4728	c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe	HD_c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe
PID 4728 wrote to memory of 2484	4728	c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe	HD_c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe
PID 3652 wrote to memory of 3224	3652	cmd.exe	PING.EXE
PID 3652 wrote to memory of 3224	3652	cmd.exe	PING.EXE
PID 3652 wrote to memory of 3224	3652	cmd.exe	PING.EXE
PID 220 wrote to memory of 1800	220	svchost.exe	Remote Data.exe
PID 220 wrote to memory of 1800	220	svchost.exe	Remote Data.exe
PID 220 wrote to memory of 1800	220	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe
"C:\Users\Admin\AppData\Local\Temp\c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4728

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:2112

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:4648

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:3652

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:3224

C:\Users\Admin\AppData\Local\Temp\HD_c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe
C:\Users\Admin\AppData\Local\Temp\HD_c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2484

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2996

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:220

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240651718.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1800

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2528

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:3900

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 --field-trial-handle=4028,i,11746347647270949551,7786733067759450703,262144 --variations-seed-version --mojo-platform-channel-handle=4292 /prefetch:8
1⤵
PID:628

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
2.5MB

MD5
27ddbbde91f940c1c96c91631b17a25f

SHA1
00cf87d1c2c7a5500aba7e0a5d3773c4269905ac

SHA256
79e76463c0339369c51c363a87db9b4a63a699f591d1b2b94622709970d0ed2c

SHA512
6ffdc949084af0a6f465c0fa55d97e3183a36fec73cdb8e79e391a4184a57a59e5af8229fdada6a7866097c0e942998841988467c91b8eca6bc071e7bd35d053

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe
Filesize
4.0MB

MD5
a53f19c53b4ee28949e8233735a3b99d

SHA1
e11ed6fd09bc8287e27c6619627338c9c511dbbd

SHA256
95df540a9938c5058a194fc525b902b20eaa332a29225598f577d18a997e1e35

SHA512
11b01ca305ad561b05ac93443122a6337228dfd9ddb5f80eb5c35e57f3f5feeac2bcb14080b09a6ff28e6f222379149eed79715074053b5791a58c4d33075636

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:\Windows\SysWOW64\240651718.txt
Filesize
899KB

MD5
559394239106d10edd02611d13b86038

SHA1
35516fe1959578a7edda195d54ea53a40b946410

SHA256
86f4e99c34ca62803c111910606f746541a1a3c0ab0b45b874c16f0b3a2d91aa

SHA512
f7a9818ca65d8af8b6656d8d48c8bc79286448608f9b28923bd2a07f2077392340b0e6cbda9142f4648fa844a6474a46764064c2d9a1bc2053b578faaf548460

Download Submit
C:\Windows\SysWOW64\Remote Data.exe
Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/2528-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2528-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2528-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3900-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3900-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3900-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4648-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4648-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4648-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4648-22-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads