gh0strat | 61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05-07-2024 05:26

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General

Target

61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe
Size

2.4MB
MD5

3dc5664b750b604b05b867b167a82e7e
SHA1

36d12cc8769c8549dd85a27bd452d30ea1dd89f7
SHA256

61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f
SHA512

ed2bb6d76dfbbb2697ebaff7f8c0f7bacf90d6770596e2e0331f92df205169f9a8a6c57731c4161b3e79d82d65fc0d273b4ae57a8dd0b6dc9ed9c415ea71def3
SSDEEP

49152:F09XJt4HIN2H2tFvduySbfq/qw/qCVwjXySfyVX5MX:mZJt4HINy2Lkbfq/qw/qC0bIk

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/2224-12-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2224-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1064-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2224-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1064-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2256-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2256-60-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2256-72-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2224-12-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2224-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1064-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2224-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1064-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2256-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2256-60-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2256-72-0x0000000010000000-0x00000000101B6000-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_61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe

pid process

2224 RVN.exe
1064 TXPlatforn.exe
2256 TXPlatforn.exe
2868 HD_61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe
Loads dropped DLL 3 IoCs

Processes:

61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exeTXPlatforn.exe

pid process

1704 61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe
1064 TXPlatforn.exe
1704 61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.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
2224	RVN.exe
1064	TXPlatforn.exe
2256	TXPlatforn.exe
2868	HD_61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe

pid	process
1704	61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe
1064	TXPlatforn.exe
1704	61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2224-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2224-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2224-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1064-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2224-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1064-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2256-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2256-60-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2256-72-0x0000000010000000-0x00000000101B6000-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:

61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe

description	ioc	process
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.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

2556 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe

pid process

1704 61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2256 TXPlatforn.exe

pid	process
2556	PING.EXE

pid	process
1704	61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe

pid	process
2256	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

RVN.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2224	RVN.exe
Token: SeLoadDriverPrivilege	2256	TXPlatforn.exe
Token: 33	2256	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2256	TXPlatforn.exe
Token: 33	2256	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2256	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe

pid process

1704 61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe
1704 61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe

pid	process
1704	61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe
1704	61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exeRVN.exeTXPlatforn.execmd.exe

description	pid	process	target process
PID 1704 wrote to memory of 2224	1704	61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe	RVN.exe
PID 1704 wrote to memory of 2224	1704	61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe	RVN.exe
PID 1704 wrote to memory of 2224	1704	61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe	RVN.exe
PID 1704 wrote to memory of 2224	1704	61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe	RVN.exe
PID 1704 wrote to memory of 2224	1704	61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe	RVN.exe
PID 1704 wrote to memory of 2224	1704	61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe	RVN.exe
PID 1704 wrote to memory of 2224	1704	61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe	RVN.exe
PID 2224 wrote to memory of 2004	2224	RVN.exe	cmd.exe
PID 2224 wrote to memory of 2004	2224	RVN.exe	cmd.exe
PID 2224 wrote to memory of 2004	2224	RVN.exe	cmd.exe
PID 2224 wrote to memory of 2004	2224	RVN.exe	cmd.exe
PID 1064 wrote to memory of 2256	1064	TXPlatforn.exe	TXPlatforn.exe
PID 1064 wrote to memory of 2256	1064	TXPlatforn.exe	TXPlatforn.exe
PID 1064 wrote to memory of 2256	1064	TXPlatforn.exe	TXPlatforn.exe
PID 1064 wrote to memory of 2256	1064	TXPlatforn.exe	TXPlatforn.exe
PID 1064 wrote to memory of 2256	1064	TXPlatforn.exe	TXPlatforn.exe
PID 1064 wrote to memory of 2256	1064	TXPlatforn.exe	TXPlatforn.exe
PID 1064 wrote to memory of 2256	1064	TXPlatforn.exe	TXPlatforn.exe
PID 1704 wrote to memory of 2868	1704	61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe	HD_61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe
PID 1704 wrote to memory of 2868	1704	61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe	HD_61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe
PID 1704 wrote to memory of 2868	1704	61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe	HD_61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe
PID 1704 wrote to memory of 2868	1704	61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe	HD_61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe
PID 2004 wrote to memory of 2556	2004	cmd.exe	PING.EXE
PID 2004 wrote to memory of 2556	2004	cmd.exe	PING.EXE
PID 2004 wrote to memory of 2556	2004	cmd.exe	PING.EXE
PID 2004 wrote to memory of 2556	2004	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe
"C:\Users\Admin\AppData\Local\Temp\61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1704

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:2224

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:2004

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2556

C:\Users\Admin\AppData\Local\Temp\HD_61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe
C:\Users\Admin\AppData\Local\Temp\HD_61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe
2⤵
- Executes dropped EXE
PID:2868

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1064

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:2256

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
1.3MB

MD5
8ad9fea7c1223d21bd9625d478524425

SHA1
c7a5d88b182e8509053e936c49ec8fe216acbd98

SHA256
c91279f0a48b76eb9eb71b1563152103d21dcb5dbe10098fe51599d51c6972ec

SHA512
2feeff80a21465ac08b8db0867cb2042a106eabfd827314fb51cadf5a3569aa9f90b2dd805b3556e531b88c6f3ba3f9fa3b4cb06d59310b0802ea32c2cb852eb

Download Submit
\Users\Admin\AppData\Local\Temp\HD_61cc0d2c237fbdb4e3d92187430e1d13b0c2d0ac3cd0f308b6037b1aa2d3895f.exe
Filesize
1.1MB

MD5
b27638c5bf1a03e71d80d04490c41b4a

SHA1
077089e424340d3242aa6267dea83463bde27684

SHA256
30234bf4181102110f53cca082d710458aee6b5d50d61082fefe3a233cb5d1e0

SHA512
509846024d6a6052815c4620de8298fc5f4c7d87c317fa0c89f6de4f98fbefcca83ccdaf689182b33e81e955bfc1a4ef9abcfd68f4f47ea7d87194f6b2763f11

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

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/1064-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1064-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2224-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2224-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2224-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2224-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2256-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2256-60-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2256-72-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download