gh0strat | 8f6c95663c3d3523542a92cf62c24cb5f5efe709faff5cc4cad98490b6fa9294

General

Target

8f6c95663c3d3523542a92cf62c24cb5f5efe709faff5cc4cad98490b6fa9294.exe
Size

2.7MB
MD5

a0b5323c49af4b8438296d030f10ebbd
SHA1

e5021a11c56343eeb0f8becefd98db8e2f3d8a81
SHA256

8f6c95663c3d3523542a92cf62c24cb5f5efe709faff5cc4cad98490b6fa9294
SHA512

68ed2765799008233e077c53bd4d4e65cde684cc535e973c933bb775a4526adbe5d4b498668c2f8b92b224c2b642b21541b92cf9c2488678b9be57a3d5639cc5
SSDEEP

24576:VCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHq:VCwsbCANnKXferL7Vwe/Gg0P+WhN

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
behavioral1/memory/2364-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2364-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2364-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2928-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2656-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2656-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2928-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2656-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259392784.txt	family_gh0strat
behavioral1/memory/2364-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2364-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2364-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2928-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2656-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2656-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2928-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2656-41-0x0000000010000000-0x00000000101B6000-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 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 4 IoCs

Processes:

R.exeN.exeTXPlatfor.exeTXPlatfor.exe

pid process

2864 R.exe
2364 N.exe
2928 TXPlatfor.exe
2656 TXPlatfor.exe

pid	process
2864	R.exe
2364	N.exe
2928	TXPlatfor.exe
2656	TXPlatfor.exe

Loads dropped DLL 4 IoCs

Processes:

8f6c95663c3d3523542a92cf62c24cb5f5efe709faff5cc4cad98490b6fa9294.exeR.exeTXPlatfor.exe

pid	process
1976	8f6c95663c3d3523542a92cf62c24cb5f5efe709faff5cc4cad98490b6fa9294.exe
2864	R.exe
1976	8f6c95663c3d3523542a92cf62c24cb5f5efe709faff5cc4cad98490b6fa9294.exe
2928	TXPlatfor.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2364-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2364-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2364-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2364-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2928-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2656-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2656-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2928-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2656-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

Processes:

N.exeR.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\259392784.txt	R.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2640 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

2656 TXPlatfor.exe

pid	process
2640	PING.EXE

pid	process
2656	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2364	N.exe
Token: SeLoadDriverPrivilege	2656	TXPlatfor.exe
Token: 33	2656	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2656	TXPlatfor.exe
Token: 33	2656	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2656	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

8f6c95663c3d3523542a92cf62c24cb5f5efe709faff5cc4cad98490b6fa9294.exe

pid	process
1976	8f6c95663c3d3523542a92cf62c24cb5f5efe709faff5cc4cad98490b6fa9294.exe
1976	8f6c95663c3d3523542a92cf62c24cb5f5efe709faff5cc4cad98490b6fa9294.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

8f6c95663c3d3523542a92cf62c24cb5f5efe709faff5cc4cad98490b6fa9294.exeN.exeTXPlatfor.execmd.exe

description	pid	process	target process
PID 1976 wrote to memory of 2864	1976	8f6c95663c3d3523542a92cf62c24cb5f5efe709faff5cc4cad98490b6fa9294.exe	R.exe
PID 1976 wrote to memory of 2864	1976	8f6c95663c3d3523542a92cf62c24cb5f5efe709faff5cc4cad98490b6fa9294.exe	R.exe
PID 1976 wrote to memory of 2864	1976	8f6c95663c3d3523542a92cf62c24cb5f5efe709faff5cc4cad98490b6fa9294.exe	R.exe
PID 1976 wrote to memory of 2864	1976	8f6c95663c3d3523542a92cf62c24cb5f5efe709faff5cc4cad98490b6fa9294.exe	R.exe
PID 1976 wrote to memory of 2364	1976	8f6c95663c3d3523542a92cf62c24cb5f5efe709faff5cc4cad98490b6fa9294.exe	N.exe
PID 1976 wrote to memory of 2364	1976	8f6c95663c3d3523542a92cf62c24cb5f5efe709faff5cc4cad98490b6fa9294.exe	N.exe
PID 1976 wrote to memory of 2364	1976	8f6c95663c3d3523542a92cf62c24cb5f5efe709faff5cc4cad98490b6fa9294.exe	N.exe
PID 1976 wrote to memory of 2364	1976	8f6c95663c3d3523542a92cf62c24cb5f5efe709faff5cc4cad98490b6fa9294.exe	N.exe
PID 1976 wrote to memory of 2364	1976	8f6c95663c3d3523542a92cf62c24cb5f5efe709faff5cc4cad98490b6fa9294.exe	N.exe
PID 1976 wrote to memory of 2364	1976	8f6c95663c3d3523542a92cf62c24cb5f5efe709faff5cc4cad98490b6fa9294.exe	N.exe
PID 1976 wrote to memory of 2364	1976	8f6c95663c3d3523542a92cf62c24cb5f5efe709faff5cc4cad98490b6fa9294.exe	N.exe
PID 2364 wrote to memory of 2644	2364	N.exe	cmd.exe
PID 2364 wrote to memory of 2644	2364	N.exe	cmd.exe
PID 2364 wrote to memory of 2644	2364	N.exe	cmd.exe
PID 2364 wrote to memory of 2644	2364	N.exe	cmd.exe
PID 2928 wrote to memory of 2656	2928	TXPlatfor.exe	TXPlatfor.exe
PID 2928 wrote to memory of 2656	2928	TXPlatfor.exe	TXPlatfor.exe
PID 2928 wrote to memory of 2656	2928	TXPlatfor.exe	TXPlatfor.exe
PID 2928 wrote to memory of 2656	2928	TXPlatfor.exe	TXPlatfor.exe
PID 2928 wrote to memory of 2656	2928	TXPlatfor.exe	TXPlatfor.exe
PID 2928 wrote to memory of 2656	2928	TXPlatfor.exe	TXPlatfor.exe
PID 2928 wrote to memory of 2656	2928	TXPlatfor.exe	TXPlatfor.exe
PID 2644 wrote to memory of 2640	2644	cmd.exe	PING.EXE
PID 2644 wrote to memory of 2640	2644	cmd.exe	PING.EXE
PID 2644 wrote to memory of 2640	2644	cmd.exe	PING.EXE
PID 2644 wrote to memory of 2640	2644	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\8f6c95663c3d3523542a92cf62c24cb5f5efe709faff5cc4cad98490b6fa9294.exe
"C:\Users\Admin\AppData\Local\Temp\8f6c95663c3d3523542a92cf62c24cb5f5efe709faff5cc4cad98490b6fa9294.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1976

C:\Users\Admin\AppData\Local\Temp\R.exe
C:\Users\Admin\AppData\Local\Temp\\R.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:2864

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:2364

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:2644

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2640

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2928

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:2656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

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
a0b5323c49af4b8438296d030f10ebbd

SHA1
e5021a11c56343eeb0f8becefd98db8e2f3d8a81

SHA256
8f6c95663c3d3523542a92cf62c24cb5f5efe709faff5cc4cad98490b6fa9294

SHA512
68ed2765799008233e077c53bd4d4e65cde684cc535e973c933bb775a4526adbe5d4b498668c2f8b92b224c2b642b21541b92cf9c2488678b9be57a3d5639cc5

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

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
\Users\Admin\AppData\Local\Temp\R.exe
Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259392784.txt
Filesize
899KB

MD5
9e4a34101b24c56dfa41c53357449903

SHA1
c0e62b0923d7db09840ea83878029c3bef466ff8

SHA256
136c0f4cc27a4a0fc8f6238baaceb64df72c89bf302f0ab6643977fa07f38cd5

SHA512
db5d8a65338cc456ffd2bbd30ac8fbe95f3c6cfa119aee31d546b3d0437ec0a3f3d1b6971a4b78d78963dc3159c98ae5076117e25b91ca34e9ed9b38ef756e7e

Download Submit
memory/2364-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2364-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2364-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2364-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2656-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2656-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2656-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2928-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2928-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads