gh0strat | 36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48

General

Target

36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exe
Size

2.0MB
MD5

0e4400f1aa810eef18a918354d4e1c3c
SHA1

ac19aec93238f1b3ff9d1b6dd439613d0a0ed313
SHA256

36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48
SHA512

899fc0ab42eafeb1a78f4cf1921a046bbde8fa3ea218719d27fb692da6d0ca65c777d4a09292b19bf61736c5c615832b22f2bb9fb061f9dd02e7c2bea1154108
SSDEEP

49152:609XJt4HIN2H2tFvduyS0peoR7yn22ZPItx2apeapelI:7ZJt4HINy2Lkxmyn2XtUvlI

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
behavioral1/memory/1852-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1852-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1852-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2972-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2956-65-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2972-64-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2956-69-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2956-70-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1852-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1852-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1852-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2972-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2956-65-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2972-64-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2956-69-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2956-70-0x0000000010000000-0x00000000101B6000-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:

TXPlatforn.exe

description ioc process

File created C:\Windows\system32\drivers\QAssist.sys TXPlatforn.exe

description	ioc	process
File created	C:\Windows\system32\drivers\QAssist.sys	TXPlatforn.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

TXPlatforn.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatforn.exe

Executes dropped EXE 4 IoCs

Processes:

RVN.exeTXPlatforn.exeHD_36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exeTXPlatforn.exe

pid process

1852 RVN.exe
2972 TXPlatforn.exe
2540 HD_36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exe
2956 TXPlatforn.exe

pid	process
1852	RVN.exe
2972	TXPlatforn.exe
2540	HD_36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exe
2956	TXPlatforn.exe

Loads dropped DLL 3 IoCs

Processes:

36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exeTXPlatforn.exe

pid	process
1956	36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exe
2972	TXPlatforn.exe
1956	36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1852-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1852-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1852-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1852-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2972-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2956-65-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2972-64-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2956-69-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2956-70-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

Processes:

RVN.exe

description ioc process

File created C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe
File opened for modification C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe

description	ioc	process
File created	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe

Drops file in Program Files directory 4 IoCs

Processes:

36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.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

2644 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exe

pid process

1956 36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2956 TXPlatforn.exe

pid	process
2644	PING.EXE

pid	process
2956	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

RVN.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1852	RVN.exe
Token: SeLoadDriverPrivilege	2956	TXPlatforn.exe
Token: 33	2956	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2956	TXPlatforn.exe
Token: 33	2956	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2956	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exe

pid	process
1956	36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exe
1956	36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exeRVN.exeTXPlatforn.execmd.exe

description	pid	process	target process
PID 1956 wrote to memory of 1852	1956	36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exe	RVN.exe
PID 1956 wrote to memory of 1852	1956	36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exe	RVN.exe
PID 1956 wrote to memory of 1852	1956	36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exe	RVN.exe
PID 1956 wrote to memory of 1852	1956	36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exe	RVN.exe
PID 1956 wrote to memory of 1852	1956	36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exe	RVN.exe
PID 1956 wrote to memory of 1852	1956	36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exe	RVN.exe
PID 1956 wrote to memory of 1852	1956	36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exe	RVN.exe
PID 1852 wrote to memory of 2672	1852	RVN.exe	cmd.exe
PID 1852 wrote to memory of 2672	1852	RVN.exe	cmd.exe
PID 1852 wrote to memory of 2672	1852	RVN.exe	cmd.exe
PID 1852 wrote to memory of 2672	1852	RVN.exe	cmd.exe
PID 2972 wrote to memory of 2956	2972	TXPlatforn.exe	TXPlatforn.exe
PID 2972 wrote to memory of 2956	2972	TXPlatforn.exe	TXPlatforn.exe
PID 2972 wrote to memory of 2956	2972	TXPlatforn.exe	TXPlatforn.exe
PID 2972 wrote to memory of 2956	2972	TXPlatforn.exe	TXPlatforn.exe
PID 2972 wrote to memory of 2956	2972	TXPlatforn.exe	TXPlatforn.exe
PID 2972 wrote to memory of 2956	2972	TXPlatforn.exe	TXPlatforn.exe
PID 2972 wrote to memory of 2956	2972	TXPlatforn.exe	TXPlatforn.exe
PID 2672 wrote to memory of 2644	2672	cmd.exe	PING.EXE
PID 2672 wrote to memory of 2644	2672	cmd.exe	PING.EXE
PID 2672 wrote to memory of 2644	2672	cmd.exe	PING.EXE
PID 2672 wrote to memory of 2644	2672	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exe
"C:\Users\Admin\AppData\Local\Temp\36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1956

C:\Users\Admin\AppData\Local\Temp\RVN.exe
C:\Users\Admin\AppData\Local\Temp\\RVN.exe
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1852

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\RVN.exe > nul
3⤵
- Suspicious use of WriteProcessMemory
PID:2672

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2644

C:\Users\Admin\AppData\Local\Temp\HD_36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exe
C:\Users\Admin\AppData\Local\Temp\HD_36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exe
2⤵
- Executes dropped EXE
PID:2540

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2972

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.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:2956

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_36755fa033e9529ca8891aef91decf414479947396fbd8e7c7d5b8841cbade48.exe
Filesize
645KB

MD5
00eae789b0aab1b0fbd23b830fbf1064

SHA1
e4e5fd089f6ae17c83f073cf91edc9db8189980d

SHA256
7addb2269266ac471a690802cab54539b40c2ae5b31e2120fdcf8dfb0ed15dc7

SHA512
23a0e06b39f8b5a932ae5b8f60704ba265332b341ac8bab5b74b2f31f04ce8c7fe6f77278d70c7685cfa894ab0e25a70d89990f5f643b54c07337f90fa5943fb

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
1.4MB

MD5
6318eebd114e27ea9f84e8760f98c0a8

SHA1
347ca80095d788952d60f74cb265e5a159bac4d3

SHA256
aa77b2f2f7de2247d5f415db43e79908518a45f36aa5ebb85ac168eb343b7951

SHA512
e932db35d317538b7dc5934536244f372e0c84ea158b7a08b64e1f87fd1d982893d61a1093a5dad980fa503b098b071060f27a4d55b3317d18e768ebe1b622f3

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

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/1852-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1852-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1852-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1852-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2956-65-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2956-69-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2956-70-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2972-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2972-64-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads