gh0strat | 83161791203e2a476a772486f98214b2a8abe63b29f1b6791df5c94e037bfb7d

General

Target

83161791203e2a476a772486f98214b2a8abe63b29f1b6791df5c94e037bfb7d.exe
Size

2.3MB
MD5

0c931cfffaf62479258ec258f61e666c
SHA1

e3ba94e4bffe709062d3145fc289a0c80ef222a3
SHA256

83161791203e2a476a772486f98214b2a8abe63b29f1b6791df5c94e037bfb7d
SHA512

b3e3d6fb7115328f3b50974efe36a61f9febd346c6595f21c973ee3aaba8554f54198742dd1da32b685f3eae3c0ad3e047efa940c1552e16c05b462bb64e9e8c
SSDEEP

24576:KCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHt:KCwsbCANnKXferL7Vwe/Gg0P+WhUhs2

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/1428-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1428-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1428-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/116-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/116-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3888-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3888-51-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3888-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240599265.txt	family_gh0strat
behavioral2/memory/1428-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1428-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1428-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/116-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/116-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3888-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3888-51-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3888-52-0x0000000010000000-0x00000000101B6000-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\\240599265.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

3632 R.exe
1428 N.exe
116 TXPlatfor.exe
3888 TXPlatfor.exe
4128 Remote Data.exe
Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

3632 R.exe
1924 svchost.exe
4128 Remote Data.exe

pid	process
3632	R.exe
1428	N.exe
116	TXPlatfor.exe
3888	TXPlatfor.exe
4128	Remote Data.exe

pid	process
3632	R.exe
1924	svchost.exe
4128	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/1428-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1428-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1428-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1428-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/116-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/116-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/116-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3888-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3888-51-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3888-52-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

R.exesvchost.exeN.exe

description	ioc	process
File created	C:\Windows\SysWOW64\240599265.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:

83161791203e2a476a772486f98214b2a8abe63b29f1b6791df5c94e037bfb7d.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	83161791203e2a476a772486f98214b2a8abe63b29f1b6791df5c94e037bfb7d.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

5064 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

3888 TXPlatfor.exe

pid	process
5064	PING.EXE

pid	process
3888	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1428	N.exe
Token: SeLoadDriverPrivilege	3888	TXPlatfor.exe
Token: 33	3888	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3888	TXPlatfor.exe
Token: 33	3888	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3888	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

83161791203e2a476a772486f98214b2a8abe63b29f1b6791df5c94e037bfb7d.exe

pid	process
3688	83161791203e2a476a772486f98214b2a8abe63b29f1b6791df5c94e037bfb7d.exe
3688	83161791203e2a476a772486f98214b2a8abe63b29f1b6791df5c94e037bfb7d.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

83161791203e2a476a772486f98214b2a8abe63b29f1b6791df5c94e037bfb7d.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 3688 wrote to memory of 3632	3688	83161791203e2a476a772486f98214b2a8abe63b29f1b6791df5c94e037bfb7d.exe	R.exe
PID 3688 wrote to memory of 3632	3688	83161791203e2a476a772486f98214b2a8abe63b29f1b6791df5c94e037bfb7d.exe	R.exe
PID 3688 wrote to memory of 3632	3688	83161791203e2a476a772486f98214b2a8abe63b29f1b6791df5c94e037bfb7d.exe	R.exe
PID 3688 wrote to memory of 1428	3688	83161791203e2a476a772486f98214b2a8abe63b29f1b6791df5c94e037bfb7d.exe	N.exe
PID 3688 wrote to memory of 1428	3688	83161791203e2a476a772486f98214b2a8abe63b29f1b6791df5c94e037bfb7d.exe	N.exe
PID 3688 wrote to memory of 1428	3688	83161791203e2a476a772486f98214b2a8abe63b29f1b6791df5c94e037bfb7d.exe	N.exe
PID 1428 wrote to memory of 3120	1428	N.exe	cmd.exe
PID 1428 wrote to memory of 3120	1428	N.exe	cmd.exe
PID 1428 wrote to memory of 3120	1428	N.exe	cmd.exe
PID 116 wrote to memory of 3888	116	TXPlatfor.exe	TXPlatfor.exe
PID 116 wrote to memory of 3888	116	TXPlatfor.exe	TXPlatfor.exe
PID 116 wrote to memory of 3888	116	TXPlatfor.exe	TXPlatfor.exe
PID 3120 wrote to memory of 5064	3120	cmd.exe	PING.EXE
PID 3120 wrote to memory of 5064	3120	cmd.exe	PING.EXE
PID 3120 wrote to memory of 5064	3120	cmd.exe	PING.EXE
PID 1924 wrote to memory of 4128	1924	svchost.exe	Remote Data.exe
PID 1924 wrote to memory of 4128	1924	svchost.exe	Remote Data.exe
PID 1924 wrote to memory of 4128	1924	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\83161791203e2a476a772486f98214b2a8abe63b29f1b6791df5c94e037bfb7d.exe
"C:\Users\Admin\AppData\Local\Temp\83161791203e2a476a772486f98214b2a8abe63b29f1b6791df5c94e037bfb7d.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3688

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:3632

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:1428

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:3120

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:5064

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:4148

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:1924

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240599265.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4128

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:116

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:3888

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
2.3MB

MD5
0c931cfffaf62479258ec258f61e666c

SHA1
e3ba94e4bffe709062d3145fc289a0c80ef222a3

SHA256
83161791203e2a476a772486f98214b2a8abe63b29f1b6791df5c94e037bfb7d

SHA512
b3e3d6fb7115328f3b50974efe36a61f9febd346c6595f21c973ee3aaba8554f54198742dd1da32b685f3eae3c0ad3e047efa940c1552e16c05b462bb64e9e8c

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\240599265.txt

Filesize
899KB

MD5
49254883552dc98c5eda70c2835f5752

SHA1
e12d2bc2882f3ffa867f7a68f95d6785420c67c0

SHA256
bf0f037ea84767f8e3b7039f8848484f47fab269cf78af7f881393e5da83c58b

SHA512
59fcb9b7b52fb43c6c5dd441ee3d725529113b15fa7f6961914ccfcdb5a415f2a6e252430a9ecd01992f1b4d3b2a1a156928356519cd87d5756e145022c2a10c

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/116-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/116-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/116-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1428-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1428-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1428-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1428-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3888-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3888-51-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3888-52-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads