gh0strat | 687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201

General

Target

687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.exe
Size

11.6MB
MD5

c4ee890ff6d7d6e6ffbbbfb9187b3084
SHA1

39c8c28d6f13709d52eb5f7eedc5f8663f53a737
SHA256

687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201
SHA512

5db0d26015231b9588db65d6e960509e726c1c83ab3c83d9d501b7718d892812b707b66d2c43674e030bbdcc40f83c3efc529d9aa606148bf0ec7a462db5956c
SSDEEP

196608:PKXbeO7+kcGqENeEHRFmNC3MQ5bi3sXx3s2f7cCRazO4xyrMr3SXlhetL:M7OkgEHRcNKMQY3sXx82fwysxyor39

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/3448-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3448-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3448-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4324-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4324-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1064-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1064-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1064-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240600796.txt	family_gh0strat
behavioral2/memory/3448-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3448-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3448-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4324-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4324-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1064-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1064-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1064-45-0x0000000010000000-0x00000000101B6000-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\\240600796.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_687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.exeRemote Data.exe

pid	process
2224	R.exe
3448	N.exe
4324	TXPlatfor.exe
1064	TXPlatfor.exe
5000	HD_687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.exe
4888	Remote Data.exe

Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

2224 R.exe
5080 svchost.exe
4888 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/3448-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3448-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3448-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3448-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4324-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4324-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4324-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1064-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1064-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1064-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

R.exesvchost.exeN.exe

description	ioc	process
File created	C:\Windows\SysWOW64\240600796.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
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe

Drops file in Program Files directory 1 IoCs

Processes:

687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.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

1072 PING.EXE

pid	process
1072	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.exe

pid	process
4468	687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.exe
4468	687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

1064 TXPlatfor.exe

pid	process
1064	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

N.exeTXPlatfor.exeHD_687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3448	N.exe
Token: SeLoadDriverPrivilege	1064	TXPlatfor.exe
Token: SeDebugPrivilege	5000	HD_687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.exe
Token: 33	1064	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1064	TXPlatfor.exe
Token: 33	1064	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1064	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.exeHD_687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.exe

pid	process
4468	687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.exe
4468	687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.exe
5000	HD_687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.exe
5000	HD_687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 4468 wrote to memory of 2224	4468	687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.exe	R.exe
PID 4468 wrote to memory of 2224	4468	687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.exe	R.exe
PID 4468 wrote to memory of 2224	4468	687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.exe	R.exe
PID 4468 wrote to memory of 3448	4468	687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.exe	N.exe
PID 4468 wrote to memory of 3448	4468	687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.exe	N.exe
PID 4468 wrote to memory of 3448	4468	687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.exe	N.exe
PID 3448 wrote to memory of 2208	3448	N.exe	cmd.exe
PID 3448 wrote to memory of 2208	3448	N.exe	cmd.exe
PID 3448 wrote to memory of 2208	3448	N.exe	cmd.exe
PID 4324 wrote to memory of 1064	4324	TXPlatfor.exe	TXPlatfor.exe
PID 4324 wrote to memory of 1064	4324	TXPlatfor.exe	TXPlatfor.exe
PID 4324 wrote to memory of 1064	4324	TXPlatfor.exe	TXPlatfor.exe
PID 4468 wrote to memory of 5000	4468	687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.exe	HD_687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.exe
PID 4468 wrote to memory of 5000	4468	687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.exe	HD_687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.exe
PID 4468 wrote to memory of 5000	4468	687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.exe	HD_687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.exe
PID 2208 wrote to memory of 1072	2208	cmd.exe	PING.EXE
PID 2208 wrote to memory of 1072	2208	cmd.exe	PING.EXE
PID 2208 wrote to memory of 1072	2208	cmd.exe	PING.EXE
PID 5080 wrote to memory of 4888	5080	svchost.exe	Remote Data.exe
PID 5080 wrote to memory of 4888	5080	svchost.exe	Remote Data.exe
PID 5080 wrote to memory of 4888	5080	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.exe
"C:\Users\Admin\AppData\Local\Temp\687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4468

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:2224

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:3448

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:2208

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:1072

C:\Users\Admin\AppData\Local\Temp\HD_687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.exe
C:\Users\Admin\AppData\Local\Temp\HD_687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.exe
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:5000

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1404

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:5080

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240600796.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4888

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4324

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:1064

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_687402ef4bddc932e77b6f047f1eea9c910e99b971be59dd132ec48e64dd3201.exe

Filesize
9.0MB

MD5
e8f45be8bfc88454dd302c98ee5bf6bf

SHA1
971104b0ea3c5bf92238431fbe3fc8ebb2bf081c

SHA256
6792ed7983febf0b0ffa0f7ecdcc258e02d443b90f30b2f62bde77e4b06fadfc

SHA512
8c14001c6227237a4d664fedf5a2edf0ff25b9a2e47e42aa2b189e96571e5b857f34eba123f4cd3516b0cb5fa6aa189612fdd92a0c42c20cc1986f31b9450bc4

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

Filesize
2.6MB

MD5
bf3a150bd21b74df13d6f7ba8c2dd257

SHA1
3cd2efc2b8a13f589fb8f811a033d5a827456e64

SHA256
fd122b658bfa125319c5287c6211d3732d9e84aa9cd4d369b2ffc0510bc39693

SHA512
1163d7c96bb45e61d27162c4dff098225bf19856b7eaefcc4ccf488e848d23ef9972698ecf431c87abe052d84250cd62eb7440315bb11c6f866f1efb6fb6bc7b

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\240600796.txt

Filesize
899KB

MD5
1f2c3fddf3cc1bc060690ecb4c03bb1d

SHA1
3b4fb0dfacd218af2303407b4c755b6aaf3690a5

SHA256
fbbe1d1012da8c2e6c634afbae2dabbd64ca21ea5c452adcb5b61720928d16fc

SHA512
6686cc00f0339d169ed75d87166556b234e0717661ff09a0c4efb74513ccc4139b851508230cbbd2aefa53ad73d5beed31626c48e9bf73c9cd9fc254f30e66fa

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1064-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1064-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1064-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3448-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3448-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3448-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3448-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4324-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4324-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4324-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads