gh0strat | 7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
04-07-2024 04:18

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General

Target

7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe
Size

14.5MB
MD5

219fdbf81f8b2ec0b83e77be9ca4cfb3
SHA1

8615f9a57d4a569c25e666038f51ba76d3b2e013
SHA256

7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546
SHA512

4a1e8452645ff815b46792e93af88d048882e1f9ed6754fd9708a892264b89e4d3d42e7ddf35ad7bba328fb54d7d3542a79f3c17cd28a331bad3ec22785734f2
SSDEEP

196608:uiINy2Lkb3G7ElPut9H9o2nnWb+wQ3IKlTHlUIZlY+m:RqEkt9H+qrDlUIZlY+m

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/1652-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1652-12-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1652-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2580-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2580-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2964-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2580-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2964-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2580-72-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1652-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1652-12-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1652-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2580-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2580-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2964-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2580-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2964-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2580-72-0x0000000010000000-0x00000000101B6000-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_7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe

pid process

1652 RVN.exe
2964 TXPlatforn.exe
2580 TXPlatforn.exe
1940 HD_7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe
Loads dropped DLL 3 IoCs

Processes:

7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exeTXPlatforn.exe

pid process

2476 7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe
2964 TXPlatforn.exe
2476 7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.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
1652	RVN.exe
2964	TXPlatforn.exe
2580	TXPlatforn.exe
1940	HD_7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe

pid	process
2476	7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe
2964	TXPlatforn.exe
2476	7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1652-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1652-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1652-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1652-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2580-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2580-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2964-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2580-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2964-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2580-72-0x0000000010000000-0x00000000101B6000-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:

7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.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

2944 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe

pid process

2476 7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2580 TXPlatforn.exe

pid	process
2944	PING.EXE

pid	process
2476	7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe

pid	process
2580	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

RVN.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1652	RVN.exe
Token: SeLoadDriverPrivilege	2580	TXPlatforn.exe
Token: 33	2580	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2580	TXPlatforn.exe
Token: 33	2580	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2580	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe

pid process

2476 7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe
2476 7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe

pid	process
2476	7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe
2476	7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exeRVN.exeTXPlatforn.execmd.exe

description	pid	process	target process
PID 2476 wrote to memory of 1652	2476	7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe	RVN.exe
PID 2476 wrote to memory of 1652	2476	7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe	RVN.exe
PID 2476 wrote to memory of 1652	2476	7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe	RVN.exe
PID 2476 wrote to memory of 1652	2476	7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe	RVN.exe
PID 2476 wrote to memory of 1652	2476	7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe	RVN.exe
PID 2476 wrote to memory of 1652	2476	7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe	RVN.exe
PID 2476 wrote to memory of 1652	2476	7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe	RVN.exe
PID 1652 wrote to memory of 2608	1652	RVN.exe	cmd.exe
PID 1652 wrote to memory of 2608	1652	RVN.exe	cmd.exe
PID 1652 wrote to memory of 2608	1652	RVN.exe	cmd.exe
PID 1652 wrote to memory of 2608	1652	RVN.exe	cmd.exe
PID 2964 wrote to memory of 2580	2964	TXPlatforn.exe	TXPlatforn.exe
PID 2964 wrote to memory of 2580	2964	TXPlatforn.exe	TXPlatforn.exe
PID 2964 wrote to memory of 2580	2964	TXPlatforn.exe	TXPlatforn.exe
PID 2964 wrote to memory of 2580	2964	TXPlatforn.exe	TXPlatforn.exe
PID 2964 wrote to memory of 2580	2964	TXPlatforn.exe	TXPlatforn.exe
PID 2964 wrote to memory of 2580	2964	TXPlatforn.exe	TXPlatforn.exe
PID 2964 wrote to memory of 2580	2964	TXPlatforn.exe	TXPlatforn.exe
PID 2476 wrote to memory of 1940	2476	7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe	HD_7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe
PID 2476 wrote to memory of 1940	2476	7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe	HD_7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe
PID 2476 wrote to memory of 1940	2476	7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe	HD_7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe
PID 2476 wrote to memory of 1940	2476	7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe	HD_7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe
PID 2608 wrote to memory of 2944	2608	cmd.exe	PING.EXE
PID 2608 wrote to memory of 2944	2608	cmd.exe	PING.EXE
PID 2608 wrote to memory of 2944	2608	cmd.exe	PING.EXE
PID 2608 wrote to memory of 2944	2608	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe
"C:\Users\Admin\AppData\Local\Temp\7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2476

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:1652

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:2608

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2944

C:\Users\Admin\AppData\Local\Temp\HD_7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe
C:\Users\Admin\AppData\Local\Temp\HD_7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe
2⤵
- Executes dropped EXE
PID:1940

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2964

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:2580

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_7880dc8e0e8636e765eec32fb83bcf16757e3925cf529f2358d6db50c113e546.exe
Filesize
13.1MB

MD5
53a403f3c959ffd881842ce4b34a8bfb

SHA1
17a651095c1275cadfd22610d87f7fe634fad3dc

SHA256
6f5fc73056c0370e97fc8da1b85742376985b8015862f7d339da72f2b2316828

SHA512
71bad7e89d59633e50535c596245f0f25f0395b2c60e717cda070714d133e9fcb855ab7a1ae02bdb3369e42914566ac127c0d8a74d756f5a23aaa4dd223d8cd7

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

MD5
29e866ef32ce6892501649bc8978c35a

SHA1
4d10a6ff6cc1585775607df95fa337d967b5739f

SHA256
4f8444988f7b832dc71da7ba73745d9ae7eef93fba75544c02aa93c7e6ed0551

SHA512
93f9f84ed2bfbab5421537ce09ad27a902029d8dcbbe65168944b04c731245d07779efefe73bf63d4d86d8de242db702eb9ac9a434f571a0630f53c2bc321d23

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

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/1652-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1652-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1652-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1652-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2580-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2580-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2580-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2580-72-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2964-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2964-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download