gh0strat | 8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05-07-2024 05:08

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General

Target

8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.exe
Size

2.0MB
MD5

4b657f9a2cd534f526935855b41082e0
SHA1

51cf3b954dab17e5c88b32fe4db319bd61d17d15
SHA256

8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe
SHA512

94551545f93900f9452996eeb8b3795ea7bcca7734ea9e5f59d6ee3e61619f411f63838e5f882d19cbd6b79136e1919da2494c59e44bd3e2d7d822ee2cb51b76
SSDEEP

49152:b09XJt4HIN2H2tFvduyS/peTDmn2IZPItx2apeapelI:IZJt4HINy2LkcTDmn2RtUvlI

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/3048-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3048-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3040-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3048-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2548-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2548-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3040-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2548-51-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3048-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3048-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3040-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3048-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2548-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2548-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3040-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2548-51-0x0000000010000000-0x00000000101B6000-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.exeHD_8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.exeTXPlatforn.exe

pid process

3048 RVN.exe
3040 TXPlatforn.exe
2564 HD_8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.exe
2548 TXPlatforn.exe
Loads dropped DLL 3 IoCs

Processes:

8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.exeTXPlatforn.exe

pid process

2940 8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.exe
2940 8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.exe
3040 TXPlatforn.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
3048	RVN.exe
3040	TXPlatforn.exe
2564	HD_8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.exe
2548	TXPlatforn.exe

pid	process
2940	8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.exe
2940	8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.exe
3040	TXPlatforn.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/3048-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3048-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3048-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3040-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3048-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2548-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2548-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3040-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2548-51-0x0000000010000000-0x00000000101B6000-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:

8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.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

2612 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.exe

pid process

2940 8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2548 TXPlatforn.exe

pid	process
2612	PING.EXE

pid	process
2940	8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.exe

pid	process
2548	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

RVN.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3048	RVN.exe
Token: SeLoadDriverPrivilege	2548	TXPlatforn.exe
Token: 33	2548	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2548	TXPlatforn.exe
Token: 33	2548	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2548	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.exe

pid process

2940 8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.exe
2940 8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.exe

pid	process
2940	8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.exe
2940	8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.exeRVN.exeTXPlatforn.execmd.exe

description	pid	process	target process
PID 2940 wrote to memory of 3048	2940	8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.exe	RVN.exe
PID 2940 wrote to memory of 3048	2940	8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.exe	RVN.exe
PID 2940 wrote to memory of 3048	2940	8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.exe	RVN.exe
PID 2940 wrote to memory of 3048	2940	8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.exe	RVN.exe
PID 2940 wrote to memory of 3048	2940	8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.exe	RVN.exe
PID 2940 wrote to memory of 3048	2940	8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.exe	RVN.exe
PID 2940 wrote to memory of 3048	2940	8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.exe	RVN.exe
PID 3048 wrote to memory of 2652	3048	RVN.exe	cmd.exe
PID 3048 wrote to memory of 2652	3048	RVN.exe	cmd.exe
PID 3048 wrote to memory of 2652	3048	RVN.exe	cmd.exe
PID 3048 wrote to memory of 2652	3048	RVN.exe	cmd.exe
PID 3040 wrote to memory of 2548	3040	TXPlatforn.exe	TXPlatforn.exe
PID 3040 wrote to memory of 2548	3040	TXPlatforn.exe	TXPlatforn.exe
PID 3040 wrote to memory of 2548	3040	TXPlatforn.exe	TXPlatforn.exe
PID 3040 wrote to memory of 2548	3040	TXPlatforn.exe	TXPlatforn.exe
PID 3040 wrote to memory of 2548	3040	TXPlatforn.exe	TXPlatforn.exe
PID 3040 wrote to memory of 2548	3040	TXPlatforn.exe	TXPlatforn.exe
PID 3040 wrote to memory of 2548	3040	TXPlatforn.exe	TXPlatforn.exe
PID 2652 wrote to memory of 2612	2652	cmd.exe	PING.EXE
PID 2652 wrote to memory of 2612	2652	cmd.exe	PING.EXE
PID 2652 wrote to memory of 2612	2652	cmd.exe	PING.EXE
PID 2652 wrote to memory of 2612	2652	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.exe
"C:\Users\Admin\AppData\Local\Temp\8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2940

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:3048

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:2652

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2612

C:\Users\Admin\AppData\Local\Temp\HD_8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.exe
C:\Users\Admin\AppData\Local\Temp\HD_8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.exe
2⤵
- Executes dropped EXE
PID:2564

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3040

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:2548

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_8241de13242dc47fc30aba60f5bb13e8a1de94fa7f8593917b0868267f559afe.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
2d3e693a1a6629498fc8ec835af7f0d0

SHA1
c1c27014c79664feacc43ce4da4e9ea59f72fc9c

SHA256
661082ae26383a9640ee97f594016710d81afea9689ba8ebe6ef141b4798d344

SHA512
ac75a60ad2664fc33eb5cc3979d13fad37efba52d617b590a7429a2db1ad5ab2436bf098adc1e69a9721be384192c22afd4c1f9f9be9736af027b1ebee1cf8c9

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

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

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

Filesize
1.7MB

Download
memory/2548-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2548-51-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3040-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3040-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3048-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3048-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3048-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3048-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download