gh0strat | d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 04:38

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General

Target

d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe
Size

7.1MB
MD5

53b97e44b1a8618188aea0d9b08d6794
SHA1

5c75fa722576d93ecea72dd5323be8bcf69ae71b
SHA256

d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8
SHA512

089503240bc5326ba2772508ccebf108f875578a6e9cef19d380a7aa39f5336eabcd3f015353a510232255cce3f3242e3ccd532e3791bb3a58bf468251a8ce59
SSDEEP

98304:bZJt4HINy2LkeeJJUAg8CUSEvP40DvHRtsHYeWA:diINy2LkeCfk4e

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2144-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2144-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2144-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2492-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2492-24-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2716-66-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2716-65-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2716-67-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2716-71-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2716-72-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2144-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2144-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2144-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2492-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2492-24-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2716-66-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2716-65-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2716-67-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2716-71-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2716-72-0x0000000010000000-0x00000000101B6000-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
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.exeTXPlatforn.exeHD_d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe

pid process

2144 RVN.exe
2492 TXPlatforn.exe
2716 TXPlatforn.exe
2408 HD_d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe
Loads dropped DLL 3 IoCs

Processes:

d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exeTXPlatforn.exe

pid process

1928 d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe
2492 TXPlatforn.exe
1928 d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe

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

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

pid	process
2144	RVN.exe
2492	TXPlatforn.exe
2716	TXPlatforn.exe
2408	HD_d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe

UPX packed file 12 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2144-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2144-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2144-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2144-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2492-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2492-24-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2716-66-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2716-65-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2716-63-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2716-67-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2716-71-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2716-72-0x0000000010000000-0x00000000101B6000-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:

d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.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

2696 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe

pid process

1928 d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2716 TXPlatforn.exe

pid	process
2696	PING.EXE

pid	process
2716	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

RVN.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2144	RVN.exe
Token: SeLoadDriverPrivilege	2716	TXPlatforn.exe
Token: 33	2716	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2716	TXPlatforn.exe
Token: 33	2716	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2716	TXPlatforn.exe

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

HD_d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe

pid	process
2408	HD_d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe
2408	HD_d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe
2408	HD_d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe
2408	HD_d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe

Suspicious use of SendNotifyMessage 4 IoCs

Processes:

HD_d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe

pid	process
2408	HD_d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe
2408	HD_d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe
2408	HD_d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe
2408	HD_d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exeHD_d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe

pid	process
1928	d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe
1928	d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe
2408	HD_d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exeRVN.exeTXPlatforn.execmd.exe

description	pid	process	target process
PID 1928 wrote to memory of 2144	1928	d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe	RVN.exe
PID 1928 wrote to memory of 2144	1928	d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe	RVN.exe
PID 1928 wrote to memory of 2144	1928	d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe	RVN.exe
PID 1928 wrote to memory of 2144	1928	d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe	RVN.exe
PID 1928 wrote to memory of 2144	1928	d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe	RVN.exe
PID 1928 wrote to memory of 2144	1928	d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe	RVN.exe
PID 1928 wrote to memory of 2144	1928	d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe	RVN.exe
PID 2144 wrote to memory of 2660	2144	RVN.exe	cmd.exe
PID 2144 wrote to memory of 2660	2144	RVN.exe	cmd.exe
PID 2144 wrote to memory of 2660	2144	RVN.exe	cmd.exe
PID 2144 wrote to memory of 2660	2144	RVN.exe	cmd.exe
PID 2492 wrote to memory of 2716	2492	TXPlatforn.exe	TXPlatforn.exe
PID 2492 wrote to memory of 2716	2492	TXPlatforn.exe	TXPlatforn.exe
PID 2492 wrote to memory of 2716	2492	TXPlatforn.exe	TXPlatforn.exe
PID 2492 wrote to memory of 2716	2492	TXPlatforn.exe	TXPlatforn.exe
PID 2492 wrote to memory of 2716	2492	TXPlatforn.exe	TXPlatforn.exe
PID 2492 wrote to memory of 2716	2492	TXPlatforn.exe	TXPlatforn.exe
PID 2492 wrote to memory of 2716	2492	TXPlatforn.exe	TXPlatforn.exe
PID 1928 wrote to memory of 2408	1928	d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe	HD_d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe
PID 1928 wrote to memory of 2408	1928	d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe	HD_d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe
PID 1928 wrote to memory of 2408	1928	d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe	HD_d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe
PID 1928 wrote to memory of 2408	1928	d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe	HD_d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe
PID 2660 wrote to memory of 2696	2660	cmd.exe	PING.EXE
PID 2660 wrote to memory of 2696	2660	cmd.exe	PING.EXE
PID 2660 wrote to memory of 2696	2660	cmd.exe	PING.EXE
PID 2660 wrote to memory of 2696	2660	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe
"C:\Users\Admin\AppData\Local\Temp\d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1928

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:2144

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:2660

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2696

C:\Users\Admin\AppData\Local\Temp\HD_d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe
C:\Users\Admin\AppData\Local\Temp\HD_d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe
2⤵
- Executes dropped EXE
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:2408

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2492

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:2716

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
1.1MB

MD5
6352922c914a01545eca32203bc93552

SHA1
10b8445ba32c7467e4b218ea8deb4dcf6a402438

SHA256
9105acf455043aceeaac22120ec00682a23515460f226481c526ab131ec8acc4

SHA512
b2f89b5840c37b73b926121e23da24420c95621fc060a27e8533ca364af88288c7773bb1b67363e093ededed7b0404529fadbff725b162a740a7f79802ca3694

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_d79419c4436bd9a4f87287e0a6f6be9cc3e840f92a9c3a33360f3cc54fcfc1e8.exe
Filesize
6.0MB

MD5
5d6e7d23fd3a96d81ed5c37bbee6165c

SHA1
0253e1a726f5307c13316902d9e53e6eff23342b

SHA256
838634973ba6ad554775d81a4dce7a0e3a41fcade6e034191c61aa48e8905677

SHA512
9e3ff621effefa360d299062bd414ca58b9ca4ecb1dceb36a614e2b58d4008cebfd4432f3b01abf0e6dab431033627cf86f69e344169b399dc58cada6f514b62

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

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/2144-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2144-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2144-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2144-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2492-24-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2492-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2716-66-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2716-65-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2716-63-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2716-67-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2716-71-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2716-72-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download