gh0strat | eab2759e8f14542b9fbb2e62baf3989a7e817fa2b9eb5f68ecccbb3e75308206

General

Target

eab2759e8f14542b9fbb2e62baf3989a7e817fa2b9eb5f68ecccbb3e75308206.exe
Size

4.6MB
MD5

77d4f0339498bcb4825faf2ccd9d3891
SHA1

49efa5451f7ffeeb5188483779776170fe72da30
SHA256

eab2759e8f14542b9fbb2e62baf3989a7e817fa2b9eb5f68ecccbb3e75308206
SHA512

7be1fdbc8cc07718a6d6a556c940d8c9818cc03e270dd5b868e00d693fc7b5ea214827bf0cef2fef46d3d4a92a737e8e123d344f6d00a4ced72db4afccd7a545
SSDEEP

98304:Uws2ANnKXOaeOgmhnibDmn2lYqEGLzXRYCedD2O:CKXbeO7hi/mn8Lzh7e5

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/1808-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1808-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2688-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2688-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2688-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259400740.txt	family_gh0strat
behavioral1/memory/1808-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1808-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2688-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2688-48-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2688-49-0x0000000010000000-0x00000000101B6000-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

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

Processes:

R.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\259400740.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.exeHD_eab2759e8f14542b9fbb2e62baf3989a7e817fa2b9eb5f68ecccbb3e75308206.exeTXPlatfor.exeRemote Data.exe

pid	process
2212	R.exe
1808	N.exe
1976	TXPlatfor.exe
2328	HD_eab2759e8f14542b9fbb2e62baf3989a7e817fa2b9eb5f68ecccbb3e75308206.exe
2688	TXPlatfor.exe
2536	Remote Data.exe

Loads dropped DLL 8 IoCs

Processes:

eab2759e8f14542b9fbb2e62baf3989a7e817fa2b9eb5f68ecccbb3e75308206.exeR.exesvchost.exeTXPlatfor.exeRemote Data.exe

pid	process
2032	eab2759e8f14542b9fbb2e62baf3989a7e817fa2b9eb5f68ecccbb3e75308206.exe
2212	R.exe
1956	svchost.exe
2032	eab2759e8f14542b9fbb2e62baf3989a7e817fa2b9eb5f68ecccbb3e75308206.exe
1976	TXPlatfor.exe
2032	eab2759e8f14542b9fbb2e62baf3989a7e817fa2b9eb5f68ecccbb3e75308206.exe
1956	svchost.exe
2536	Remote Data.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1808-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1808-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1808-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2688-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2688-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2688-49-0x0000000010000000-0x00000000101B6000-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\259400740.txt	R.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2736 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

eab2759e8f14542b9fbb2e62baf3989a7e817fa2b9eb5f68ecccbb3e75308206.exe

pid process

2032 eab2759e8f14542b9fbb2e62baf3989a7e817fa2b9eb5f68ecccbb3e75308206.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

2688 TXPlatfor.exe

pid	process
2736	PING.EXE

pid	process
2688	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1808	N.exe
Token: SeLoadDriverPrivilege	2688	TXPlatfor.exe
Token: 33	2688	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2688	TXPlatfor.exe
Token: 33	2688	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2688	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

eab2759e8f14542b9fbb2e62baf3989a7e817fa2b9eb5f68ecccbb3e75308206.exe

pid	process
2032	eab2759e8f14542b9fbb2e62baf3989a7e817fa2b9eb5f68ecccbb3e75308206.exe
2032	eab2759e8f14542b9fbb2e62baf3989a7e817fa2b9eb5f68ecccbb3e75308206.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

eab2759e8f14542b9fbb2e62baf3989a7e817fa2b9eb5f68ecccbb3e75308206.exeN.execmd.exeTXPlatfor.exesvchost.exe

description	pid	process	target process
PID 2032 wrote to memory of 2212	2032	eab2759e8f14542b9fbb2e62baf3989a7e817fa2b9eb5f68ecccbb3e75308206.exe	R.exe
PID 2032 wrote to memory of 2212	2032	eab2759e8f14542b9fbb2e62baf3989a7e817fa2b9eb5f68ecccbb3e75308206.exe	R.exe
PID 2032 wrote to memory of 2212	2032	eab2759e8f14542b9fbb2e62baf3989a7e817fa2b9eb5f68ecccbb3e75308206.exe	R.exe
PID 2032 wrote to memory of 2212	2032	eab2759e8f14542b9fbb2e62baf3989a7e817fa2b9eb5f68ecccbb3e75308206.exe	R.exe
PID 2032 wrote to memory of 1808	2032	eab2759e8f14542b9fbb2e62baf3989a7e817fa2b9eb5f68ecccbb3e75308206.exe	N.exe
PID 2032 wrote to memory of 1808	2032	eab2759e8f14542b9fbb2e62baf3989a7e817fa2b9eb5f68ecccbb3e75308206.exe	N.exe
PID 2032 wrote to memory of 1808	2032	eab2759e8f14542b9fbb2e62baf3989a7e817fa2b9eb5f68ecccbb3e75308206.exe	N.exe
PID 2032 wrote to memory of 1808	2032	eab2759e8f14542b9fbb2e62baf3989a7e817fa2b9eb5f68ecccbb3e75308206.exe	N.exe
PID 2032 wrote to memory of 1808	2032	eab2759e8f14542b9fbb2e62baf3989a7e817fa2b9eb5f68ecccbb3e75308206.exe	N.exe
PID 2032 wrote to memory of 1808	2032	eab2759e8f14542b9fbb2e62baf3989a7e817fa2b9eb5f68ecccbb3e75308206.exe	N.exe
PID 2032 wrote to memory of 1808	2032	eab2759e8f14542b9fbb2e62baf3989a7e817fa2b9eb5f68ecccbb3e75308206.exe	N.exe
PID 1808 wrote to memory of 2696	1808	N.exe	cmd.exe
PID 1808 wrote to memory of 2696	1808	N.exe	cmd.exe
PID 1808 wrote to memory of 2696	1808	N.exe	cmd.exe
PID 1808 wrote to memory of 2696	1808	N.exe	cmd.exe
PID 2696 wrote to memory of 2736	2696	cmd.exe	PING.EXE
PID 2696 wrote to memory of 2736	2696	cmd.exe	PING.EXE
PID 2696 wrote to memory of 2736	2696	cmd.exe	PING.EXE
PID 2696 wrote to memory of 2736	2696	cmd.exe	PING.EXE
PID 1976 wrote to memory of 2688	1976	TXPlatfor.exe	TXPlatfor.exe
PID 1976 wrote to memory of 2688	1976	TXPlatfor.exe	TXPlatfor.exe
PID 1976 wrote to memory of 2688	1976	TXPlatfor.exe	TXPlatfor.exe
PID 1976 wrote to memory of 2688	1976	TXPlatfor.exe	TXPlatfor.exe
PID 1976 wrote to memory of 2688	1976	TXPlatfor.exe	TXPlatfor.exe
PID 1976 wrote to memory of 2688	1976	TXPlatfor.exe	TXPlatfor.exe
PID 1976 wrote to memory of 2688	1976	TXPlatfor.exe	TXPlatfor.exe
PID 1956 wrote to memory of 2536	1956	svchost.exe	Remote Data.exe
PID 1956 wrote to memory of 2536	1956	svchost.exe	Remote Data.exe
PID 1956 wrote to memory of 2536	1956	svchost.exe	Remote Data.exe
PID 1956 wrote to memory of 2536	1956	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\eab2759e8f14542b9fbb2e62baf3989a7e817fa2b9eb5f68ecccbb3e75308206.exe
"C:\Users\Admin\AppData\Local\Temp\eab2759e8f14542b9fbb2e62baf3989a7e817fa2b9eb5f68ecccbb3e75308206.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2032

C:\Users\Admin\AppData\Local\Temp\R.exe
C:\Users\Admin\AppData\Local\Temp\\R.exe
2⤵
- Server Software Component: Terminal Services DLL
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:2212

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:1808

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:2696

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2736

C:\Users\Admin\AppData\Local\Temp\HD_eab2759e8f14542b9fbb2e62baf3989a7e817fa2b9eb5f68ecccbb3e75308206.exe
C:\Users\Admin\AppData\Local\Temp\HD_eab2759e8f14542b9fbb2e62baf3989a7e817fa2b9eb5f68ecccbb3e75308206.exe
2⤵
- Executes dropped EXE
PID:2328

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2096

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:1956

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259400740.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2536

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1976

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:2688

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

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
a3370c54deb1b46c0dfad67d1431bd87

SHA1
c421bfe53a5904f4f06be2749df328a2bef83c18

SHA256
dbda7a2ae224b619f275a5da14eee41b238030f4ba28e029fe225ea9b5e35ed9

SHA512
8ac1c5333bfd85be0e5c4c4c55142fc6c36a45e4505d97acd287c97327605e646db435e6923a215751236ac76dff9eb318712c32dbfcc1d8d19895c213618fe8

Download Submit
\Users\Admin\AppData\Local\Temp\HD_eab2759e8f14542b9fbb2e62baf3989a7e817fa2b9eb5f68ecccbb3e75308206.exe
Filesize
2.0MB

MD5
a68ebbf2429800319881d4b84add2087

SHA1
47d95590d4eb3996015aa3d0b02019548218f9ce

SHA256
dad4f5de62e4ea5c02b5eb6def0913721b6acd1d947af419dc456796ccbb3f48

SHA512
28409b2e1a3b0394c23422045bcd641f295ce482afd029a03b2d0357ba880c5881137158600da4a9f339663d79724c716911c3c96661ad6816156e3396825474

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\259400740.txt
Filesize
899KB

MD5
65c5df94b16ff93d35e9a1c714216463

SHA1
06318dc0730defa608c70a28392e714c744acb2e

SHA256
668848f245379d10ff5cfeb758ec960e583b54c02647835022aa99fa7652c05c

SHA512
6042134e1b661117bbb2ac02cf2d43e703f63385d863f94cc72cf647405cc0673bd4cb3dea870cb360bb62feca76dd631de128f876e90d4eed6b34f7a0a70c06

Download Submit
\Windows\SysWOW64\Remote Data.exe
Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/1808-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1808-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1808-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2688-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2688-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2688-49-0x0000000010000000-0x00000000101B6000-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