gh0strat | 337765a6a7e25aa42c094e0432729e2eaf2a1c39c1fc3f6cb2887c87fd5e6943

General

Target

337765a6a7e25aa42c094e0432729e2eaf2a1c39c1fc3f6cb2887c87fd5e6943.exe
Size

2.4MB
MD5

b82c14ef8c11b898eb4c1ebd9527a1b0
SHA1

96752643011cc5f28c711d990a74bc5dc72c88a8
SHA256

337765a6a7e25aa42c094e0432729e2eaf2a1c39c1fc3f6cb2887c87fd5e6943
SHA512

03a206f20851060116a734effd2051785b232d7f8b302a8d9335aa568b5b4eff23fb11d9a490ce314bceb76db7c3fee2df99d579a9ab16447c9e08154c0133cc
SSDEEP

24576:9CwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHr:9CwsbCANnKXferL7Vwe/Gg0P+WhOia

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/1296-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1296-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2764-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2764-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2764-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2764-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2764-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259393174.txt	family_gh0strat
behavioral1/memory/1296-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1296-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2764-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2764-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2764-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2764-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2764-43-0x0000000010000000-0x00000000101B6000-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\\259393174.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 5 IoCs

Processes:

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

pid process

2384 R.exe
1296 N.exe
2824 TXPlatfor.exe
2764 TXPlatfor.exe
3036 Remote Data.exe

pid	process
2384	R.exe
1296	N.exe
2824	TXPlatfor.exe
2764	TXPlatfor.exe
3036	Remote Data.exe

Loads dropped DLL 7 IoCs

Processes:

337765a6a7e25aa42c094e0432729e2eaf2a1c39c1fc3f6cb2887c87fd5e6943.exeR.exesvchost.exeTXPlatfor.exeRemote Data.exe

pid	process
1700	337765a6a7e25aa42c094e0432729e2eaf2a1c39c1fc3f6cb2887c87fd5e6943.exe
2384	R.exe
2832	svchost.exe
1700	337765a6a7e25aa42c094e0432729e2eaf2a1c39c1fc3f6cb2887c87fd5e6943.exe
2824	TXPlatfor.exe
2832	svchost.exe
3036	Remote Data.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1296-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1296-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1296-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2764-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2764-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2764-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2764-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2764-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2764-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

N.exeR.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\259393174.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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2612 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

2764 TXPlatfor.exe

pid	process
2612	PING.EXE

pid	process
2764	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1296	N.exe
Token: SeLoadDriverPrivilege	2764	TXPlatfor.exe
Token: 33	2764	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2764	TXPlatfor.exe
Token: 33	2764	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2764	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

337765a6a7e25aa42c094e0432729e2eaf2a1c39c1fc3f6cb2887c87fd5e6943.exe

pid	process
1700	337765a6a7e25aa42c094e0432729e2eaf2a1c39c1fc3f6cb2887c87fd5e6943.exe
1700	337765a6a7e25aa42c094e0432729e2eaf2a1c39c1fc3f6cb2887c87fd5e6943.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

337765a6a7e25aa42c094e0432729e2eaf2a1c39c1fc3f6cb2887c87fd5e6943.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 1700 wrote to memory of 2384	1700	337765a6a7e25aa42c094e0432729e2eaf2a1c39c1fc3f6cb2887c87fd5e6943.exe	R.exe
PID 1700 wrote to memory of 2384	1700	337765a6a7e25aa42c094e0432729e2eaf2a1c39c1fc3f6cb2887c87fd5e6943.exe	R.exe
PID 1700 wrote to memory of 2384	1700	337765a6a7e25aa42c094e0432729e2eaf2a1c39c1fc3f6cb2887c87fd5e6943.exe	R.exe
PID 1700 wrote to memory of 2384	1700	337765a6a7e25aa42c094e0432729e2eaf2a1c39c1fc3f6cb2887c87fd5e6943.exe	R.exe
PID 1700 wrote to memory of 1296	1700	337765a6a7e25aa42c094e0432729e2eaf2a1c39c1fc3f6cb2887c87fd5e6943.exe	N.exe
PID 1700 wrote to memory of 1296	1700	337765a6a7e25aa42c094e0432729e2eaf2a1c39c1fc3f6cb2887c87fd5e6943.exe	N.exe
PID 1700 wrote to memory of 1296	1700	337765a6a7e25aa42c094e0432729e2eaf2a1c39c1fc3f6cb2887c87fd5e6943.exe	N.exe
PID 1700 wrote to memory of 1296	1700	337765a6a7e25aa42c094e0432729e2eaf2a1c39c1fc3f6cb2887c87fd5e6943.exe	N.exe
PID 1700 wrote to memory of 1296	1700	337765a6a7e25aa42c094e0432729e2eaf2a1c39c1fc3f6cb2887c87fd5e6943.exe	N.exe
PID 1700 wrote to memory of 1296	1700	337765a6a7e25aa42c094e0432729e2eaf2a1c39c1fc3f6cb2887c87fd5e6943.exe	N.exe
PID 1700 wrote to memory of 1296	1700	337765a6a7e25aa42c094e0432729e2eaf2a1c39c1fc3f6cb2887c87fd5e6943.exe	N.exe
PID 1296 wrote to memory of 2812	1296	N.exe	cmd.exe
PID 1296 wrote to memory of 2812	1296	N.exe	cmd.exe
PID 1296 wrote to memory of 2812	1296	N.exe	cmd.exe
PID 1296 wrote to memory of 2812	1296	N.exe	cmd.exe
PID 2824 wrote to memory of 2764	2824	TXPlatfor.exe	TXPlatfor.exe
PID 2824 wrote to memory of 2764	2824	TXPlatfor.exe	TXPlatfor.exe
PID 2824 wrote to memory of 2764	2824	TXPlatfor.exe	TXPlatfor.exe
PID 2824 wrote to memory of 2764	2824	TXPlatfor.exe	TXPlatfor.exe
PID 2824 wrote to memory of 2764	2824	TXPlatfor.exe	TXPlatfor.exe
PID 2824 wrote to memory of 2764	2824	TXPlatfor.exe	TXPlatfor.exe
PID 2824 wrote to memory of 2764	2824	TXPlatfor.exe	TXPlatfor.exe
PID 2812 wrote to memory of 2612	2812	cmd.exe	PING.EXE
PID 2812 wrote to memory of 2612	2812	cmd.exe	PING.EXE
PID 2812 wrote to memory of 2612	2812	cmd.exe	PING.EXE
PID 2812 wrote to memory of 2612	2812	cmd.exe	PING.EXE
PID 2832 wrote to memory of 3036	2832	svchost.exe	Remote Data.exe
PID 2832 wrote to memory of 3036	2832	svchost.exe	Remote Data.exe
PID 2832 wrote to memory of 3036	2832	svchost.exe	Remote Data.exe
PID 2832 wrote to memory of 3036	2832	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\337765a6a7e25aa42c094e0432729e2eaf2a1c39c1fc3f6cb2887c87fd5e6943.exe
"C:\Users\Admin\AppData\Local\Temp\337765a6a7e25aa42c094e0432729e2eaf2a1c39c1fc3f6cb2887c87fd5e6943.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1700

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:2384

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:1296

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:2812

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2612

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1812

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:2832

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259393174.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3036

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2824

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:2764

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_X.dat

Filesize
2.4MB

MD5
b82c14ef8c11b898eb4c1ebd9527a1b0

SHA1
96752643011cc5f28c711d990a74bc5dc72c88a8

SHA256
337765a6a7e25aa42c094e0432729e2eaf2a1c39c1fc3f6cb2887c87fd5e6943

SHA512
03a206f20851060116a734effd2051785b232d7f8b302a8d9335aa568b5b4eff23fb11d9a490ce314bceb76db7c3fee2df99d579a9ab16447c9e08154c0133cc

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\259393174.txt

Filesize
899KB

MD5
5132faa17afb64a02cc8e1c459dc1545

SHA1
2dd612428d1a2052a7a78f645cad1e3635b1e2f4

SHA256
bb45cb25bc894ac9c994068b52c4813f8e89e68dd68422566279cfcca054fd25

SHA512
b341af988b4a3e9f018d64474f9fa29d58c1fc348ad8b13ff3edd27a8d9014eb921e52852b9a55a56cef709e2ac3c11b965aa8781b419ef460b34a43996ffc63

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/1296-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1296-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1296-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2764-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2764-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2764-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2764-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2764-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2764-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads