gh0strat | af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82

General

Target

af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe
Size

3.2MB
MD5

1a2bbb9d0cad29c87d949782e169ba66
SHA1

8dd2330a9843e90e858e2a033806e45cc93f34fc
SHA256

af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82
SHA512

e252329af24bbc4a464b2ab65410b6e4d4579fbb9657ddcfeddb2d4d332b6ee422378314051f26bfcc8e5ff2003d9612064dcf260b403d637046efdf07813ade
SSDEEP

49152:8CwsbCANnKXferL7Vwe/Gg0P+WhH9cLyq4+23k:vws2ANnKXOaeOgmh+Wq3

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/3016-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3016-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2548-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2548-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2548-54-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259393657.txt	family_gh0strat
behavioral1/memory/3016-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3016-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2548-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2548-46-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2548-54-0x0000000010000000-0x00000000101B6000-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\\259393657.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_af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exeRemote Data.exe

pid	process
1592	R.exe
3016	N.exe
2724	TXPlatfor.exe
2548	TXPlatfor.exe
2560	HD_af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe
2008	Remote Data.exe

Loads dropped DLL 15 IoCs

Processes:

af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exeR.exesvchost.exeTXPlatfor.exeWerFault.exeRemote Data.exe

pid	process
2172	af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe
1592	R.exe
2196	svchost.exe
2172	af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe
2724	TXPlatfor.exe
2172	af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe
2720	WerFault.exe
2720	WerFault.exe
2720	WerFault.exe
2720	WerFault.exe
2720	WerFault.exe
2720	WerFault.exe
2720	WerFault.exe
2196	svchost.exe
2008	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/3016-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3016-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3016-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2548-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2548-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2548-54-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

N.exeR.exesvchost.exe

description	ioc	process
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\259393657.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

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2720 2560 WerFault.exe HD_af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2456 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe

pid process

2172 af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

2548 TXPlatfor.exe

pid	pid_target	process	target process
2720	2560	WerFault.exe	HD_af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe

pid	process
2456	PING.EXE

pid	process
2548	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3016	N.exe
Token: SeLoadDriverPrivilege	2548	TXPlatfor.exe
Token: 33	2548	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2548	TXPlatfor.exe
Token: 33	2548	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2548	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe

pid	process
2172	af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe
2172	af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe

Suspicious use of WriteProcessMemory 38 IoCs

Processes:

af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exeN.exeTXPlatfor.exeHD_af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.execmd.exesvchost.exe

description	pid	process	target process
PID 2172 wrote to memory of 1592	2172	af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe	R.exe
PID 2172 wrote to memory of 1592	2172	af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe	R.exe
PID 2172 wrote to memory of 1592	2172	af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe	R.exe
PID 2172 wrote to memory of 1592	2172	af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe	R.exe
PID 2172 wrote to memory of 3016	2172	af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe	N.exe
PID 2172 wrote to memory of 3016	2172	af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe	N.exe
PID 2172 wrote to memory of 3016	2172	af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe	N.exe
PID 2172 wrote to memory of 3016	2172	af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe	N.exe
PID 2172 wrote to memory of 3016	2172	af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe	N.exe
PID 2172 wrote to memory of 3016	2172	af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe	N.exe
PID 2172 wrote to memory of 3016	2172	af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe	N.exe
PID 3016 wrote to memory of 2664	3016	N.exe	cmd.exe
PID 3016 wrote to memory of 2664	3016	N.exe	cmd.exe
PID 3016 wrote to memory of 2664	3016	N.exe	cmd.exe
PID 3016 wrote to memory of 2664	3016	N.exe	cmd.exe
PID 2724 wrote to memory of 2548	2724	TXPlatfor.exe	TXPlatfor.exe
PID 2724 wrote to memory of 2548	2724	TXPlatfor.exe	TXPlatfor.exe
PID 2724 wrote to memory of 2548	2724	TXPlatfor.exe	TXPlatfor.exe
PID 2724 wrote to memory of 2548	2724	TXPlatfor.exe	TXPlatfor.exe
PID 2724 wrote to memory of 2548	2724	TXPlatfor.exe	TXPlatfor.exe
PID 2724 wrote to memory of 2548	2724	TXPlatfor.exe	TXPlatfor.exe
PID 2724 wrote to memory of 2548	2724	TXPlatfor.exe	TXPlatfor.exe
PID 2172 wrote to memory of 2560	2172	af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe	HD_af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe
PID 2172 wrote to memory of 2560	2172	af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe	HD_af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe
PID 2172 wrote to memory of 2560	2172	af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe	HD_af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe
PID 2172 wrote to memory of 2560	2172	af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe	HD_af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe
PID 2560 wrote to memory of 2720	2560	HD_af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe	WerFault.exe
PID 2560 wrote to memory of 2720	2560	HD_af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe	WerFault.exe
PID 2560 wrote to memory of 2720	2560	HD_af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe	WerFault.exe
PID 2560 wrote to memory of 2720	2560	HD_af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe	WerFault.exe
PID 2664 wrote to memory of 2456	2664	cmd.exe	PING.EXE
PID 2664 wrote to memory of 2456	2664	cmd.exe	PING.EXE
PID 2664 wrote to memory of 2456	2664	cmd.exe	PING.EXE
PID 2664 wrote to memory of 2456	2664	cmd.exe	PING.EXE
PID 2196 wrote to memory of 2008	2196	svchost.exe	Remote Data.exe
PID 2196 wrote to memory of 2008	2196	svchost.exe	Remote Data.exe
PID 2196 wrote to memory of 2008	2196	svchost.exe	Remote Data.exe
PID 2196 wrote to memory of 2008	2196	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe
"C:\Users\Admin\AppData\Local\Temp\af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2172

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:1592

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:3016

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:2664

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2456

C:\Users\Admin\AppData\Local\Temp\HD_af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe
C:\Users\Admin\AppData\Local\Temp\HD_af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2560 -s 92
3⤵
- Loads dropped DLL
- Program crash
PID:2720

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2188

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:2196

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259393657.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2008

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2724

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:2548

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\AppData\Local\Temp\HD_X.dat
Filesize
2.6MB

MD5
aa0cf743f47cb30234118d2f0bab70f4

SHA1
fc4df527e53b5a78e3f6d123ac073ab4d1a22ae6

SHA256
fa5d8a8f7355def29e47909e2863c29b00796cceae934a62509a625be263fd0b

SHA512
fdf1140552ecae4428731705cc00adbb86d8fdb8fe617a237b4cc446688a5ee6d69af79e06bfb205028bddcaad03e547789807936a0ef6f26e2a5c324bbc847f

Download Submit
\Users\Admin\AppData\Local\Temp\HD_af8f87864c52c3d269826eb7a6f798ace370d2adc9534fd63f55d569c2afeb82.exe
Filesize
691KB

MD5
0f15e4cec9423fcc4d2d8a1287db9258

SHA1
e3764ad4e676b1fda322b4daf1f40c62561fec33

SHA256
97bd6d3b0e576708fbf1b063513b6792f189605a3e9c3aabb628f20069c94363

SHA512
da271a25f6813f1b11c1070e0cb3e5ef0a7777e02881b757b8871026dd44be5276073b9fb063d01a880c6ec6f9743d020c4ca8c0cbae30277137f5d42c47bc1c

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\259393657.txt
Filesize
899KB

MD5
7ed6705a438d63b94fd34ac929379d93

SHA1
cd326d94e67699b650a536d4614b5c4b9fe7ee32

SHA256
fc53dd70cfa25e4b00009198f2555c3d609368d9b965e491cb3bf7166650cb4b

SHA512
96a8817369ada0dcd201d4728bc1606c6d984da2ddc817cf1f9970fefd4384c1934edd52670bcb77775163f4e1e7c8244d879a6aeb702f23cf8115983aaea90a

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

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2548-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2548-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2548-54-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3016-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3016-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3016-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads