gh0strat | 3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05-07-2024 05:13

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General

Target

3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe
Size

5.9MB
MD5

8baec3f11289a10ca1586d3565eb195b
SHA1

ec99ca2dc06a6237dd46ff53a36e04075379d18c
SHA256

3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7
SHA512

bd67afd1b1a8e83ee7023ae6f0de19c445d83fb8fff8a0ea99339f08ee85784e476527106979924ccdfeb2900206d8139d2a8c1eb9baaff27038c1548ab08ed8
SSDEEP

98304:GZJt4HINy2LkU9ExrG51s0pA5cCKUO8Rc9CMzuewKmjTyh5ppGIVwR9+daaYgoaq:siINy2LkU9rG2oTQ5pprVwR9+ZYPAyQY

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 9 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2228-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2228-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2228-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2380-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2380-22-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2152-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2152-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2152-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2152-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2228-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2228-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2228-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2380-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2380-22-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2152-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2152-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2152-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2152-39-0x0000000010000000-0x00000000101B6000-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_3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe

pid process

2228 RVN.exe
2380 TXPlatforn.exe
2152 TXPlatforn.exe
2716 HD_3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe
Loads dropped DLL 3 IoCs

Processes:

3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exeTXPlatforn.exe

pid process

2344 3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe
2380 TXPlatforn.exe
2344 3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.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
2228	RVN.exe
2380	TXPlatforn.exe
2152	TXPlatforn.exe
2716	HD_3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2228-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2228-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2228-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2228-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2380-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2380-22-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2152-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2152-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2152-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2152-39-0x0000000010000000-0x00000000101B6000-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:

3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe

description	ioc	process
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.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

2440 PING.EXE

pid	process
2440	PING.EXE

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exeHD_3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe

pid	process
2344	3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe
2716	HD_3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe
2716	HD_3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe
2716	HD_3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe
2716	HD_3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2152 TXPlatforn.exe

pid	process
2152	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

RVN.exeTXPlatforn.exeHD_3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2228	RVN.exe
Token: SeLoadDriverPrivilege	2152	TXPlatforn.exe
Token: SeDebugPrivilege	2716	HD_3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe
Token: SeDebugPrivilege	2716	HD_3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe
Token: 33	2152	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2152	TXPlatforn.exe
Token: 33	2152	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2152	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exeHD_3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe

pid	process
2344	3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe
2344	3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe
2716	HD_3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe
2716	HD_3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exeRVN.exeTXPlatforn.execmd.exe

description	pid	process	target process
PID 2344 wrote to memory of 2228	2344	3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe	RVN.exe
PID 2344 wrote to memory of 2228	2344	3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe	RVN.exe
PID 2344 wrote to memory of 2228	2344	3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe	RVN.exe
PID 2344 wrote to memory of 2228	2344	3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe	RVN.exe
PID 2344 wrote to memory of 2228	2344	3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe	RVN.exe
PID 2344 wrote to memory of 2228	2344	3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe	RVN.exe
PID 2344 wrote to memory of 2228	2344	3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe	RVN.exe
PID 2228 wrote to memory of 1668	2228	RVN.exe	cmd.exe
PID 2228 wrote to memory of 1668	2228	RVN.exe	cmd.exe
PID 2228 wrote to memory of 1668	2228	RVN.exe	cmd.exe
PID 2228 wrote to memory of 1668	2228	RVN.exe	cmd.exe
PID 2380 wrote to memory of 2152	2380	TXPlatforn.exe	TXPlatforn.exe
PID 2380 wrote to memory of 2152	2380	TXPlatforn.exe	TXPlatforn.exe
PID 2380 wrote to memory of 2152	2380	TXPlatforn.exe	TXPlatforn.exe
PID 2380 wrote to memory of 2152	2380	TXPlatforn.exe	TXPlatforn.exe
PID 2380 wrote to memory of 2152	2380	TXPlatforn.exe	TXPlatforn.exe
PID 2380 wrote to memory of 2152	2380	TXPlatforn.exe	TXPlatforn.exe
PID 2380 wrote to memory of 2152	2380	TXPlatforn.exe	TXPlatforn.exe
PID 2344 wrote to memory of 2716	2344	3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe	HD_3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe
PID 2344 wrote to memory of 2716	2344	3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe	HD_3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe
PID 2344 wrote to memory of 2716	2344	3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe	HD_3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe
PID 2344 wrote to memory of 2716	2344	3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe	HD_3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe
PID 1668 wrote to memory of 2440	1668	cmd.exe	PING.EXE
PID 1668 wrote to memory of 2440	1668	cmd.exe	PING.EXE
PID 1668 wrote to memory of 2440	1668	cmd.exe	PING.EXE
PID 1668 wrote to memory of 2440	1668	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe
"C:\Users\Admin\AppData\Local\Temp\3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2344

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:2228

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:1668

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2440

C:\Users\Admin\AppData\Local\Temp\HD_3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe
C:\Users\Admin\AppData\Local\Temp\HD_3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2716

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2380

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:2152

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_3b8dc14de3d39e7093e713a8b63757405b086cec60e14897777756a0c4749ad7.exe
Filesize
4.5MB

MD5
81a0d4fa8d22aad638379aa8b1d0c69e

SHA1
734730784c748694e091dc2c1c688d229c7c931d

SHA256
c34da741e82529ec5942079ecff532ad10e03d8882de262a6f0ac31842c4d20d

SHA512
0a4bfb6693dbef4a6679a58d1958d9c0ac2fdc992a90c6d5f438a9ab0834428d3840a31a9ce685b0aa6eb00d5ad74071304fa7790d337f3b01a50c2a8aa3e198

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
1.3MB

MD5
b7be7aae156d1245c00656cfe9bf7b05

SHA1
c665995e6ce1ba8b14cfbe1c9ee6c793e8b575b2

SHA256
44c1ea05f76711fd780daf7d49dec617ae338451e4f0bbcf6f173ae9616f533c

SHA512
b232afc7e5658204e1737bff6d45a972c913fbd01a049a9090df17351bc9c4ad5f6b178fbc5eafeab9ff3866ce5b978d293324016a23f9f5d480faa165cd7960

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

MD5
7361e0d1c99b65236286727dba8122de

SHA1
39db91661340ee257da91df84d204280e74ec188

SHA256
36763362e7bccc1c3615d717a13fb33750c913713a317c6adb928d53f170aad3

SHA512
b08b59e4ec9694feb62ab86952c68c7213b9aca56535b7a01b19c7e651e60847b628532505a27bd081599686ba79d6c2967c84872e706d54d6aa968bf6597c33

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

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/2152-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2152-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2152-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2152-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2228-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2228-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2228-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2228-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2380-22-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2380-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download