gh0strat | c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2

General

Target

c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe
Size

6.6MB
MD5

e342485b415f9d61cda90c6754a7581b
SHA1

9331d043e673fadc594aea541e4bc71e4fbe8566
SHA256

c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2
SHA512

73fe46330b82cadbafb48c2ffad9dea2ebf905b8853fff34e1acb69e9353a2d2d5176af68b967aad1ccb06317958af1800041a09bd0a4303d132aaa86a5f8ae8
SSDEEP

98304:tws2ANnKXOaeOgmhIfAJDmn2lB+fXQWK4GQlW8ae7czp4iQcIlC8N2kmfO/l6Gqi:3KXbeO7wAFmnABgzlWaHcIlC8+z/m

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/2604-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2604-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2652-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2652-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2652-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259430395.txt	family_gh0strat
behavioral1/memory/2604-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2604-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2652-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2652-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2652-49-0x0000000010000000-0x00000000101B6000-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

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\\259430395.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_c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exeRemote Data.exe

pid	process
3004	R.exe
2604	N.exe
2624	TXPlatfor.exe
2652	TXPlatfor.exe
2420	HD_c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe
2952	Remote Data.exe

Loads dropped DLL 8 IoCs

Processes:

c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exeR.exesvchost.exeTXPlatfor.exeRemote Data.exe

pid	process
2876	c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe
3004	R.exe
3012	svchost.exe
2876	c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe
2624	TXPlatfor.exe
2876	c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe
3012	svchost.exe
2952	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/2604-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2604-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2604-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2652-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2652-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2652-49-0x0000000010000000-0x00000000101B6000-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\259430395.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

2436 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe

pid process

2876 c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

2652 TXPlatfor.exe

pid	process
2436	PING.EXE

pid	process
2652	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2604	N.exe
Token: SeLoadDriverPrivilege	2652	TXPlatfor.exe
Token: 33	2652	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2652	TXPlatfor.exe
Token: 33	2652	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2652	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe

pid	process
2876	c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe
2876	c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 2876 wrote to memory of 3004	2876	c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe	R.exe
PID 2876 wrote to memory of 3004	2876	c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe	R.exe
PID 2876 wrote to memory of 3004	2876	c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe	R.exe
PID 2876 wrote to memory of 3004	2876	c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe	R.exe
PID 2876 wrote to memory of 2604	2876	c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe	N.exe
PID 2876 wrote to memory of 2604	2876	c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe	N.exe
PID 2876 wrote to memory of 2604	2876	c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe	N.exe
PID 2876 wrote to memory of 2604	2876	c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe	N.exe
PID 2876 wrote to memory of 2604	2876	c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe	N.exe
PID 2876 wrote to memory of 2604	2876	c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe	N.exe
PID 2876 wrote to memory of 2604	2876	c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe	N.exe
PID 2604 wrote to memory of 2712	2604	N.exe	cmd.exe
PID 2604 wrote to memory of 2712	2604	N.exe	cmd.exe
PID 2604 wrote to memory of 2712	2604	N.exe	cmd.exe
PID 2604 wrote to memory of 2712	2604	N.exe	cmd.exe
PID 2624 wrote to memory of 2652	2624	TXPlatfor.exe	TXPlatfor.exe
PID 2624 wrote to memory of 2652	2624	TXPlatfor.exe	TXPlatfor.exe
PID 2624 wrote to memory of 2652	2624	TXPlatfor.exe	TXPlatfor.exe
PID 2624 wrote to memory of 2652	2624	TXPlatfor.exe	TXPlatfor.exe
PID 2624 wrote to memory of 2652	2624	TXPlatfor.exe	TXPlatfor.exe
PID 2624 wrote to memory of 2652	2624	TXPlatfor.exe	TXPlatfor.exe
PID 2624 wrote to memory of 2652	2624	TXPlatfor.exe	TXPlatfor.exe
PID 2712 wrote to memory of 2436	2712	cmd.exe	PING.EXE
PID 2712 wrote to memory of 2436	2712	cmd.exe	PING.EXE
PID 2712 wrote to memory of 2436	2712	cmd.exe	PING.EXE
PID 2712 wrote to memory of 2436	2712	cmd.exe	PING.EXE
PID 2876 wrote to memory of 2420	2876	c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe	HD_c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe
PID 2876 wrote to memory of 2420	2876	c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe	HD_c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe
PID 2876 wrote to memory of 2420	2876	c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe	HD_c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe
PID 2876 wrote to memory of 2420	2876	c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe	HD_c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe
PID 3012 wrote to memory of 2952	3012	svchost.exe	Remote Data.exe
PID 3012 wrote to memory of 2952	3012	svchost.exe	Remote Data.exe
PID 3012 wrote to memory of 2952	3012	svchost.exe	Remote Data.exe
PID 3012 wrote to memory of 2952	3012	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe
"C:\Users\Admin\AppData\Local\Temp\c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2876

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:3004

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:2604

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:2712

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2436

C:\Users\Admin\AppData\Local\Temp\HD_c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe
C:\Users\Admin\AppData\Local\Temp\HD_c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe
2⤵
- Executes dropped EXE
PID:2420

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2564

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:3012

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259430395.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2952

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2624

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:2652

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

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
4c0fe1e48312d40da0ad4c000da02957

SHA1
6d2d698ef0480b4a1197c6ab98fdd1888dff4b76

SHA256
4822f079b9dfead160bf7a02aebeaf465c9bfceb70fcf5f397c7f7a69d45bd11

SHA512
54ecc55d01400217a0acf918dc90d00651cee09be401f71bc70b04ed685cc1c21e4523aa0ecb9cb02cc590a98ac47921270ee7e66cd0eba1614ec4e60e493465

Download Submit
C:\Users\Admin\AppData\Local\Temp\R.exe
Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Users\Admin\AppData\Local\Temp\HD_c28c0b13d308136918ed44afacb51b867ec51ef6ab984993647ee4171bf7fbe2.exe
Filesize
4.0MB

MD5
203f5a946e5667649f5971da0c09babc

SHA1
9e9ff5ccc4b6597c4f7d18288a3874cbd74b7223

SHA256
62247436cf3440752aa17dd80d25888df48718ec9f54a1933ed41a70372e198d

SHA512
969711a94e6c0b17244bcc403972c385aa8ef065025f234e5f1a0cdf593c813cbd26880bca0640566645fd237e4bf536c7ea3b28c322cc74ebfb6d2f37e6578b

Download Submit
\Users\Admin\AppData\Local\Temp\N.exe
Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
\Windows\SysWOW64\259430395.txt
Filesize
899KB

MD5
6dd601323c1e74341b42c5867d15a082

SHA1
bbf118585707e7f558d01c319781af3f0847e203

SHA256
10fa1220b92c2dada777cf9d4452f45e55ce0c77ed15150a14e8d935e35d4697

SHA512
40e22a7e9a4c59c37ee78ed6b43f4caec5fc1f8dd14ca43460acc8c99977c87b417d593f5578908ae96331402be9e4fe52ecd9a96e83a6e62a14ad78268b113f

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

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2604-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2604-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2604-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2652-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2652-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2652-49-0x0000000010000000-0x00000000101B6000-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