gh0strat | c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2

General

Target

c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe
Size

2.6MB
MD5

669722ac3cdf13e94e734de5d2707a1e
SHA1

947a15ae4e8af4aa8ef6883305809f0eb11ee8b0
SHA256

c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2
SHA512

26d1002bd1c21b5d86446b1184e1f21b07e5f2bf8851bc3fa33f44218941c18266a5cb5433b8534faf577368facf5fcb8d962274f208193b644b486d9357e3e2
SSDEEP

49152:yCwsbCANnKXferL7Vwe/Gg0P+WhbLTwM6mn2C:Vws2ANnKXOaeOgmhPTwM6mn2C

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2500-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2500-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/344-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/344-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/344-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259399429.txt	family_gh0strat
behavioral1/memory/2500-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2500-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/344-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/344-48-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/344-49-0x0000000010000000-0x00000000101B6000-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\\259399429.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_c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exeRemote Data.exe

pid	process
1588	R.exe
2500	N.exe
2636	TXPlatfor.exe
344	TXPlatfor.exe
2608	HD_c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe
2140	Remote Data.exe

Loads dropped DLL 9 IoCs

Processes:

c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exeR.exesvchost.exeTXPlatfor.exeRemote Data.exe

pid	process
2208	c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe
1588	R.exe
2712	svchost.exe
2208	c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe
2636	TXPlatfor.exe
2208	c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe
2504
2712	svchost.exe
2140	Remote Data.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2500-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2500-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2500-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/344-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/344-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/344-49-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

R.exesvchost.exeN.exe

description	ioc	process
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
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\259399429.txt	R.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2912 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe

pid process

2208 c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

344 TXPlatfor.exe

pid	process
2912	PING.EXE

pid	process
344	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2500	N.exe
Token: SeLoadDriverPrivilege	344	TXPlatfor.exe
Token: 33	344	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	344	TXPlatfor.exe
Token: 33	344	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	344	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe

pid	process
2208	c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe
2208	c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 2208 wrote to memory of 1588	2208	c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe	R.exe
PID 2208 wrote to memory of 1588	2208	c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe	R.exe
PID 2208 wrote to memory of 1588	2208	c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe	R.exe
PID 2208 wrote to memory of 1588	2208	c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe	R.exe
PID 2208 wrote to memory of 2500	2208	c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe	N.exe
PID 2208 wrote to memory of 2500	2208	c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe	N.exe
PID 2208 wrote to memory of 2500	2208	c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe	N.exe
PID 2208 wrote to memory of 2500	2208	c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe	N.exe
PID 2208 wrote to memory of 2500	2208	c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe	N.exe
PID 2208 wrote to memory of 2500	2208	c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe	N.exe
PID 2208 wrote to memory of 2500	2208	c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe	N.exe
PID 2500 wrote to memory of 2508	2500	N.exe	cmd.exe
PID 2500 wrote to memory of 2508	2500	N.exe	cmd.exe
PID 2500 wrote to memory of 2508	2500	N.exe	cmd.exe
PID 2500 wrote to memory of 2508	2500	N.exe	cmd.exe
PID 2636 wrote to memory of 344	2636	TXPlatfor.exe	TXPlatfor.exe
PID 2636 wrote to memory of 344	2636	TXPlatfor.exe	TXPlatfor.exe
PID 2636 wrote to memory of 344	2636	TXPlatfor.exe	TXPlatfor.exe
PID 2636 wrote to memory of 344	2636	TXPlatfor.exe	TXPlatfor.exe
PID 2636 wrote to memory of 344	2636	TXPlatfor.exe	TXPlatfor.exe
PID 2636 wrote to memory of 344	2636	TXPlatfor.exe	TXPlatfor.exe
PID 2636 wrote to memory of 344	2636	TXPlatfor.exe	TXPlatfor.exe
PID 2208 wrote to memory of 2608	2208	c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe	HD_c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe
PID 2208 wrote to memory of 2608	2208	c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe	HD_c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe
PID 2208 wrote to memory of 2608	2208	c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe	HD_c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe
PID 2208 wrote to memory of 2608	2208	c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe	HD_c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe
PID 2508 wrote to memory of 2912	2508	cmd.exe	PING.EXE
PID 2508 wrote to memory of 2912	2508	cmd.exe	PING.EXE
PID 2508 wrote to memory of 2912	2508	cmd.exe	PING.EXE
PID 2508 wrote to memory of 2912	2508	cmd.exe	PING.EXE
PID 2712 wrote to memory of 2140	2712	svchost.exe	Remote Data.exe
PID 2712 wrote to memory of 2140	2712	svchost.exe	Remote Data.exe
PID 2712 wrote to memory of 2140	2712	svchost.exe	Remote Data.exe
PID 2712 wrote to memory of 2140	2712	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe
"C:\Users\Admin\AppData\Local\Temp\c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2208

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:1588

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:2500

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:2508

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2912

C:\Users\Admin\AppData\Local\Temp\HD_c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe
C:\Users\Admin\AppData\Local\Temp\HD_c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe
2⤵
- Executes dropped EXE
PID:2608

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2248

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:2712

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259399429.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2140

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2636

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:344

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
2.6MB

MD5
25411e8ec8c4480ab0c70c4b3e655e19

SHA1
899f104a98634d92b84ae9c9e1c96490268fbb84

SHA256
1a76391fc586fa9fb7466802dfaee2ecc19b9602b7d6e80b2c043e7d51e7a33d

SHA512
5cd2704436b0ddfa2e55dac9dde7438148513a2b65e8382458fb00e38ad7671754a97b431d848aff617f3c44e17c064de34c0a861a155d3b3c83335f5da0f153

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe
Filesize
23KB

MD5
db486de7281c03c7a9f5dbc8438dbfb3

SHA1
a2ec6a3c4672b6fe03cdaefce998724f6d5b4281

SHA256
645e39f287d084a3cbd6fcb3cec7ba47067f7b48035de5c23265c0d9d941ed85

SHA512
53a10c5b6d1c9376602d3735e963007004b2f1ce9072a2adb38d5b9f0ceecbf451b8fbceaa8c6808d8b2eaf9e88ad7de51bc0e18df53857b04d0674fc60895ab

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\Remote Data.exe
Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\Users\Admin\AppData\Local\Temp\N.exe
Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
\Windows\SysWOW64\259399429.txt
Filesize
899KB

MD5
8459d931656d580e397875b4c653d9b5

SHA1
626053a7a4a0e085abe81e3d3ad05687fbd5652f

SHA256
b2d5a61c9b822e8d024a6968a4eae7f3ba2c9e8170ae0b7f0ca7749bd9c6ef9f

SHA512
9203b2d3eafb673cd9b44e95113bda0123c8f4e038e5d77c997a1971c5243bfaf007fbda14c10b1f2ca23ef413d16cccfd1b725d967caac52ffd50e44fc5a5b1

Download Submit
memory/344-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/344-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/344-49-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2500-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2500-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2500-21-0x0000000010000000-0x00000000101B6000-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