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 7 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2644-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2644-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2796-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2796-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2796-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2796-50-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2796-53-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259395560.txt	family_gh0strat
behavioral1/memory/2644-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2644-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2796-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2796-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2796-46-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2796-50-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2796-53-0x0000000010000000-0x00000000101B6000-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\\259395560.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
280	R.exe
2644	N.exe
2728	TXPlatfor.exe
2796	TXPlatfor.exe
2580	HD_cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe
2788	Remote Data.exe

Loads dropped DLL 9 IoCs

Processes:

cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exeR.exesvchost.exeTXPlatfor.exeRemote Data.exe

pid	process
2952	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe
280	R.exe
2112	svchost.exe
2952	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe
2728	TXPlatfor.exe
2952	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe
2952	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe
2112	svchost.exe
2788	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/2644-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2644-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2644-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2796-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2796-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2796-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2796-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2796-50-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2796-53-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

svchost.exeN.exeR.exe

description	ioc	process
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\259395560.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2424 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe

pid process

2952 cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

2796 TXPlatfor.exe

pid	process
2424	PING.EXE

pid	process
2796	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2644	N.exe
Token: SeLoadDriverPrivilege	2796	TXPlatfor.exe
Token: 33	2796	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2796	TXPlatfor.exe
Token: 33	2796	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2796	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe

pid	process
2952	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe
2952	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 2952 wrote to memory of 280	2952	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe	R.exe
PID 2952 wrote to memory of 280	2952	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe	R.exe
PID 2952 wrote to memory of 280	2952	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe	R.exe
PID 2952 wrote to memory of 280	2952	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe	R.exe
PID 2952 wrote to memory of 2644	2952	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe	N.exe
PID 2952 wrote to memory of 2644	2952	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe	N.exe
PID 2952 wrote to memory of 2644	2952	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe	N.exe
PID 2952 wrote to memory of 2644	2952	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe	N.exe
PID 2952 wrote to memory of 2644	2952	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe	N.exe
PID 2952 wrote to memory of 2644	2952	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe	N.exe
PID 2952 wrote to memory of 2644	2952	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe	N.exe
PID 2644 wrote to memory of 2588	2644	N.exe	cmd.exe
PID 2644 wrote to memory of 2588	2644	N.exe	cmd.exe
PID 2644 wrote to memory of 2588	2644	N.exe	cmd.exe
PID 2644 wrote to memory of 2588	2644	N.exe	cmd.exe
PID 2728 wrote to memory of 2796	2728	TXPlatfor.exe	TXPlatfor.exe
PID 2728 wrote to memory of 2796	2728	TXPlatfor.exe	TXPlatfor.exe
PID 2728 wrote to memory of 2796	2728	TXPlatfor.exe	TXPlatfor.exe
PID 2728 wrote to memory of 2796	2728	TXPlatfor.exe	TXPlatfor.exe
PID 2728 wrote to memory of 2796	2728	TXPlatfor.exe	TXPlatfor.exe
PID 2728 wrote to memory of 2796	2728	TXPlatfor.exe	TXPlatfor.exe
PID 2728 wrote to memory of 2796	2728	TXPlatfor.exe	TXPlatfor.exe
PID 2952 wrote to memory of 2580	2952	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe	HD_cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe
PID 2952 wrote to memory of 2580	2952	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe	HD_cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe
PID 2952 wrote to memory of 2580	2952	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe	HD_cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe
PID 2952 wrote to memory of 2580	2952	cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe	HD_cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe
PID 2588 wrote to memory of 2424	2588	cmd.exe	PING.EXE
PID 2588 wrote to memory of 2424	2588	cmd.exe	PING.EXE
PID 2588 wrote to memory of 2424	2588	cmd.exe	PING.EXE
PID 2588 wrote to memory of 2424	2588	cmd.exe	PING.EXE
PID 2112 wrote to memory of 2788	2112	svchost.exe	Remote Data.exe
PID 2112 wrote to memory of 2788	2112	svchost.exe	Remote Data.exe
PID 2112 wrote to memory of 2788	2112	svchost.exe	Remote Data.exe
PID 2112 wrote to memory of 2788	2112	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe
"C:\Users\Admin\AppData\Local\Temp\cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2952

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:280

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:2644

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:2588

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2424

C:\Users\Admin\AppData\Local\Temp\HD_cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe
C:\Users\Admin\AppData\Local\Temp\HD_cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe
2⤵
- Executes dropped EXE
PID:2580

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2992

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:2112

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259395560.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2788

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2728

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:2796

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\Desktop\RemoveFormat.exe

Filesize
2.7MB

MD5
0dd21afbffc6c062c11015a022d321e8

SHA1
c6a20bedcd3128e4ff89aaf3c993c786d7cf8da4

SHA256
230f36ae1446d714dd67934ce080feecff44f59c5f5677078194af407f929174

SHA512
79f41000df3d0e08b7fe34f3611074019ff0c9297248f6649aa9f812dfafb7fdfaac6b36e92b943ee597f3c66b48c0e34eff05f33d6ce655dd37ca71da25a348

Download Submit
\Users\Admin\AppData\Local\Temp\HD_cac2ea7642a25fb6823b8de781206d5b563147be94b279aa9ed557bad2eaa456.exe

Filesize
69KB

MD5
d9704db5075675f3241ab83a85c633cf

SHA1
2e4d72b5a95d2c35274f33f3f901ce4c842d9adc

SHA256
f74767f992e29d7081b9d2117f14ca1c7ea158ad993bdb643b3db90b7a13db8b

SHA512
5225409879fcd6a8e21d77d110799487e061659f54e369c5bd47fcd5df6acc540dde10a17dcfbd5dd418b204f6ce6ca94be383f538b1032063ee81eb038a9f46

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\259395560.txt

Filesize
899KB

MD5
78344972579b57aa6777013fa72c009e

SHA1
abad1a28b9538af1cdb0c9555bbf3a7b503a0019

SHA256
d5ca7d3b52be96e759a56914b2fd2a2bd31d8417e1c79cf3f19878ca525f452c

SHA512
2527152abe27d853c4082717b6356cafc7cbf4c0c036a94a6eb958be11e475d3fee7fb06f59b3c27ce7982f6add990658eedac1484ea5e1d1d26771e91271e1f

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2644-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2644-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2644-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2796-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2796-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2796-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2796-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2796-50-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2796-53-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads