gh0strat | 43474b0c3ca3670be5424dc9b8fb21688d417ea560e859bb2dcdf4113d763ef3

General

Target

43474b0c3ca3670be5424dc9b8fb21688d417ea560e859bb2dcdf4113d763ef3.exe
Size

4.4MB
MD5

2fcaff6f9dec4901fdce066ff2d86d47
SHA1

54653c7f26198d25f8c1934aaaf5c52f90d4bde6
SHA256

43474b0c3ca3670be5424dc9b8fb21688d417ea560e859bb2dcdf4113d763ef3
SHA512

1837836642f5bc33dbdb6d456b32f63f49a3bd67e573308e20fcdde57168b35b024d7859dd5b3b109f7777699ac5f2848a3ca47bf13a42b38b0b0b43c1cb2b16
SSDEEP

49152:9CwsbCANnKXferL7Vwe/Gg0P+WhSQDmn2cQ6nYhe0N0vFWV886XMXM6Epx:Aws2ANnKXOaeOgmhZDmn2cFWe0N0NWg

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/2228-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2228-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2228-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3440-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3440-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3672-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3672-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3672-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240596093.txt	family_gh0strat
behavioral2/memory/2228-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2228-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2228-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3440-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3440-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3672-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3672-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3672-46-0x0000000010000000-0x00000000101B6000-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\\240596093.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_43474b0c3ca3670be5424dc9b8fb21688d417ea560e859bb2dcdf4113d763ef3.exeRemote Data.exe

pid	process
3920	R.exe
2228	N.exe
3440	TXPlatfor.exe
3672	TXPlatfor.exe
4524	HD_43474b0c3ca3670be5424dc9b8fb21688d417ea560e859bb2dcdf4113d763ef3.exe
1540	Remote Data.exe

Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

3920 R.exe
3940 svchost.exe
1540 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/2228-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2228-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2228-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2228-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3440-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3440-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3440-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3672-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3672-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3672-46-0x0000000010000000-0x00000000101B6000-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\240596093.txt	R.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2980 PING.EXE

pid	process
2980	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

43474b0c3ca3670be5424dc9b8fb21688d417ea560e859bb2dcdf4113d763ef3.exe

pid	process
4276	43474b0c3ca3670be5424dc9b8fb21688d417ea560e859bb2dcdf4113d763ef3.exe
4276	43474b0c3ca3670be5424dc9b8fb21688d417ea560e859bb2dcdf4113d763ef3.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

3672 TXPlatfor.exe

pid	process
3672	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2228	N.exe
Token: SeLoadDriverPrivilege	3672	TXPlatfor.exe
Token: 33	3672	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3672	TXPlatfor.exe
Token: 33	3672	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3672	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

43474b0c3ca3670be5424dc9b8fb21688d417ea560e859bb2dcdf4113d763ef3.exe

pid	process
4276	43474b0c3ca3670be5424dc9b8fb21688d417ea560e859bb2dcdf4113d763ef3.exe
4276	43474b0c3ca3670be5424dc9b8fb21688d417ea560e859bb2dcdf4113d763ef3.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

43474b0c3ca3670be5424dc9b8fb21688d417ea560e859bb2dcdf4113d763ef3.exeTXPlatfor.exeN.execmd.exesvchost.exe

description	pid	process	target process
PID 4276 wrote to memory of 3920	4276	43474b0c3ca3670be5424dc9b8fb21688d417ea560e859bb2dcdf4113d763ef3.exe	R.exe
PID 4276 wrote to memory of 3920	4276	43474b0c3ca3670be5424dc9b8fb21688d417ea560e859bb2dcdf4113d763ef3.exe	R.exe
PID 4276 wrote to memory of 3920	4276	43474b0c3ca3670be5424dc9b8fb21688d417ea560e859bb2dcdf4113d763ef3.exe	R.exe
PID 4276 wrote to memory of 2228	4276	43474b0c3ca3670be5424dc9b8fb21688d417ea560e859bb2dcdf4113d763ef3.exe	N.exe
PID 4276 wrote to memory of 2228	4276	43474b0c3ca3670be5424dc9b8fb21688d417ea560e859bb2dcdf4113d763ef3.exe	N.exe
PID 4276 wrote to memory of 2228	4276	43474b0c3ca3670be5424dc9b8fb21688d417ea560e859bb2dcdf4113d763ef3.exe	N.exe
PID 3440 wrote to memory of 3672	3440	TXPlatfor.exe	TXPlatfor.exe
PID 3440 wrote to memory of 3672	3440	TXPlatfor.exe	TXPlatfor.exe
PID 3440 wrote to memory of 3672	3440	TXPlatfor.exe	TXPlatfor.exe
PID 2228 wrote to memory of 372	2228	N.exe	cmd.exe
PID 2228 wrote to memory of 372	2228	N.exe	cmd.exe
PID 2228 wrote to memory of 372	2228	N.exe	cmd.exe
PID 372 wrote to memory of 2980	372	cmd.exe	PING.EXE
PID 372 wrote to memory of 2980	372	cmd.exe	PING.EXE
PID 372 wrote to memory of 2980	372	cmd.exe	PING.EXE
PID 4276 wrote to memory of 4524	4276	43474b0c3ca3670be5424dc9b8fb21688d417ea560e859bb2dcdf4113d763ef3.exe	HD_43474b0c3ca3670be5424dc9b8fb21688d417ea560e859bb2dcdf4113d763ef3.exe
PID 4276 wrote to memory of 4524	4276	43474b0c3ca3670be5424dc9b8fb21688d417ea560e859bb2dcdf4113d763ef3.exe	HD_43474b0c3ca3670be5424dc9b8fb21688d417ea560e859bb2dcdf4113d763ef3.exe
PID 4276 wrote to memory of 4524	4276	43474b0c3ca3670be5424dc9b8fb21688d417ea560e859bb2dcdf4113d763ef3.exe	HD_43474b0c3ca3670be5424dc9b8fb21688d417ea560e859bb2dcdf4113d763ef3.exe
PID 3940 wrote to memory of 1540	3940	svchost.exe	Remote Data.exe
PID 3940 wrote to memory of 1540	3940	svchost.exe	Remote Data.exe
PID 3940 wrote to memory of 1540	3940	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\43474b0c3ca3670be5424dc9b8fb21688d417ea560e859bb2dcdf4113d763ef3.exe
"C:\Users\Admin\AppData\Local\Temp\43474b0c3ca3670be5424dc9b8fb21688d417ea560e859bb2dcdf4113d763ef3.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4276

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:3920

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:2228

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:372

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2980

C:\Users\Admin\AppData\Local\Temp\HD_43474b0c3ca3670be5424dc9b8fb21688d417ea560e859bb2dcdf4113d763ef3.exe
C:\Users\Admin\AppData\Local\Temp\HD_43474b0c3ca3670be5424dc9b8fb21688d417ea560e859bb2dcdf4113d763ef3.exe
2⤵
- Executes dropped EXE
PID:4524

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1392

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:3940

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240596093.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1540

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3440

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:3672

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_43474b0c3ca3670be5424dc9b8fb21688d417ea560e859bb2dcdf4113d763ef3.exe

Filesize
1.7MB

MD5
9454dbf90aa5efea51b79e0ba98488f3

SHA1
a3b9b99cb2948646ba0d6cfe308161e6f44b8e87

SHA256
336b9e8cf194e8491a11e58d88162c1112eaebb305265381604bc1d708323451

SHA512
9aac253d9752e28e08d94307e5bb15cdd283f15f544015e244399cfdc2234011dd60d70804b6dbe040f8cbd6112f930c18b1c4be31ed702b2ac93134c2eb4671

Download Submit
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:\Windows\SysWOW64\240596093.txt

Filesize
899KB

MD5
6e116b04465aa58a6a26956697cc203c

SHA1
7c2172f1dc44267166eb65a980b919ab7fe400b6

SHA256
23138a02341e45dcdb3e5f3271fa7b505e1402b533e161f0ba75fa39c36dd22b

SHA512
feb94b271c50dd85c2d3bf73af22dd410bb557715b309ad17c8e0e8f7ac117a9ddbf009a467f4ad4727b7adc41779e3dce957efd23dfe0546f8c9cf2142b9f72

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/2228-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2228-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2228-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2228-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3440-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3440-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3440-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3672-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3672-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3672-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads