gh0strat | cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456

General

Target

cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe
Size

2.7MB
MD5

fec6accb2eb98a1705e936dc407ea9f8
SHA1

e61f1cbc1e8b7ba1604a1cf5f4e454e746ecd52d
SHA256

cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456
SHA512

35b00bd4779d412675487c2b4dbe5aad7cd2cb75adc15f4dd32a92b7a0acf61484a82f6d1de5bb22317a9d47ece4e3277ef75df9eb6bed4f3e54fd2f67a2bf3d
SSDEEP

49152:yCwsbCANnKXferL7Vwe/Gg0P+WhbLTwM6mn21:Vws2ANnKXOaeOgmhPTwM6mn2

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/1328-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1328-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1328-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/512-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/512-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3700-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3700-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3700-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240607562.txt	family_gh0strat
behavioral2/memory/1328-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1328-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1328-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/512-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/512-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3700-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3700-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3700-45-0x0000000010000000-0x00000000101B6000-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\\240607562.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_cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exeRemote Data.exe

pid	process
4352	R.exe
1328	N.exe
512	TXPlatfor.exe
3700	TXPlatfor.exe
2172	HD_cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe
4536	Remote Data.exe

Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

4352 R.exe
772 svchost.exe
4536 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/1328-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1328-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1328-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1328-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/512-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/512-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/512-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3700-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3700-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3700-45-0x0000000010000000-0x00000000101B6000-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\240607562.txt	R.exe

Drops file in Program Files directory 1 IoCs

Processes:

cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.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

2820 PING.EXE

pid	process
2820	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe

pid	process
4424	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe
4424	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

3700 TXPlatfor.exe

pid	process
3700	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1328	N.exe
Token: SeLoadDriverPrivilege	3700	TXPlatfor.exe
Token: 33	3700	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3700	TXPlatfor.exe
Token: 33	3700	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3700	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe

pid	process
4424	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe
4424	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 4424 wrote to memory of 4352	4424	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe	R.exe
PID 4424 wrote to memory of 4352	4424	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe	R.exe
PID 4424 wrote to memory of 4352	4424	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe	R.exe
PID 4424 wrote to memory of 1328	4424	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe	N.exe
PID 4424 wrote to memory of 1328	4424	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe	N.exe
PID 4424 wrote to memory of 1328	4424	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe	N.exe
PID 1328 wrote to memory of 560	1328	N.exe	cmd.exe
PID 1328 wrote to memory of 560	1328	N.exe	cmd.exe
PID 1328 wrote to memory of 560	1328	N.exe	cmd.exe
PID 512 wrote to memory of 3700	512	TXPlatfor.exe	TXPlatfor.exe
PID 512 wrote to memory of 3700	512	TXPlatfor.exe	TXPlatfor.exe
PID 512 wrote to memory of 3700	512	TXPlatfor.exe	TXPlatfor.exe
PID 4424 wrote to memory of 2172	4424	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe	HD_cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe
PID 4424 wrote to memory of 2172	4424	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe	HD_cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe
PID 560 wrote to memory of 2820	560	cmd.exe	PING.EXE
PID 560 wrote to memory of 2820	560	cmd.exe	PING.EXE
PID 560 wrote to memory of 2820	560	cmd.exe	PING.EXE
PID 772 wrote to memory of 4536	772	svchost.exe	Remote Data.exe
PID 772 wrote to memory of 4536	772	svchost.exe	Remote Data.exe
PID 772 wrote to memory of 4536	772	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe
"C:\Users\Admin\AppData\Local\Temp\cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4424

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:4352

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:1328

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:560

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2820

C:\Users\Admin\AppData\Local\Temp\HD_cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe
C:\Users\Admin\AppData\Local\Temp\HD_cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe
2⤵
- Executes dropped EXE
PID:2172

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:4740

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:772

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240607562.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4536

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:512

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:3700

Network

MITRE ATT&CK Matrix ATT&CK v13

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

System Information Discovery

1

T1082

Remote System Discovery

1

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
2.6MB

MD5
25411e8ec8c4480ab0c70c4b3e655e19

SHA1
899f104a98634d92b84ae9c9e1c96490268fbb84

SHA256
1a76391fc586fa9fb7466802dfaee2ecc19b9602b7d6e80b2c043e7d51e7a33d

SHA512
5cd2704436b0ddfa2e55dac9dde7438148513a2b65e8382458fb00e38ad7671754a97b431d848aff617f3c44e17c064de34c0a861a155d3b3c83335f5da0f153

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe
Filesize
69KB

MD5
d9704db5075675f3241ab83a85c633cf

SHA1
2e4d72b5a95d2c35274f33f3f901ce4c842d9adc

SHA256
f74767f992e29d7081b9d2117f14ca1c7ea158ad993bdb643b3db90b7a13db8b

SHA512
5225409879fcd6a8e21d77d110799487e061659f54e369c5bd47fcd5df6acc540dde10a17dcfbd5dd418b204f6ce6ca94be383f538b1032063ee81eb038a9f46

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\240607562.txt
Filesize
899KB

MD5
ec92be7032a9fc66661500a75448425f

SHA1
f5b510255ca9871d78998f95cbddc3131048aba2

SHA256
2e6ad49c35b7610dfcea56a991575f2d3d38dd3b4ddf5f9e9fe4910dfd1d75da

SHA512
9867e7d40539fc2db9534938bb11274c77c2b26784687cd41c4015a4210c39709dddc1e417fe63ad7ad2e3eea8bcc57ab8e4806214eedee8dc826b43df7d695a

Download Submit
C:\Windows\SysWOW64\Remote Data.exe
Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/512-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/512-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/512-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1328-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1328-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1328-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1328-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3700-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3700-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3700-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads