gh0strat | bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a

General

Target

bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe
Size

3.0MB
MD5

d6c82ea8e9d9c1e5051d507c21dac279
SHA1

30d04657c6f57d0349cfa74a83bf87ea7de154fe
SHA256

bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a
SHA512

c9ebfac9800c3ce922503214896d6c239fb29636bbaabc0151312bbe4a2ea019bccd44acf4fe5648a4f5e75152014ac38ddb95f445d3cd28fdc5c68b4ba0694f
SSDEEP

49152:C09XJt4HIN2H2tFvduySlgTfBk4tg8qaf2VH5u4RQw6ZVWZX1H7r:jZJt4HINy2LkeTfW4Jf255JQwjX1

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/1676-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1676-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2124-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1676-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2544-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2544-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2544-61-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2544-67-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2124-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2544-77-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1676-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1676-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1676-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2124-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1676-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2544-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2544-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2544-61-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2544-67-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2124-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2544-77-0x0000000010000000-0x00000000101B6000-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

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_bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe

pid process

1676 RVN.exe
2124 TXPlatforn.exe
2544 TXPlatforn.exe
2520 HD_bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe

pid	process
1676	RVN.exe
2124	TXPlatforn.exe
2544	TXPlatforn.exe
2520	HD_bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe

Loads dropped DLL 4 IoCs

Processes:

bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exeTXPlatforn.exe

pid	process
1280	bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe
2124	TXPlatforn.exe
1280	bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe
1280	bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe

UPX packed file 13 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1676-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1676-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1676-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1676-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2124-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1676-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2544-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2544-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2544-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2544-61-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2544-67-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2124-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2544-77-0x0000000010000000-0x00000000101B6000-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:

bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe

description	ioc	process
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.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

2548 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe

pid process

1280 bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2544 TXPlatforn.exe

pid	process
2548	PING.EXE

pid	process
2544	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

RVN.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1676	RVN.exe
Token: SeLoadDriverPrivilege	2544	TXPlatforn.exe
Token: 33	2544	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2544	TXPlatforn.exe
Token: 33	2544	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2544	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe

pid	process
1280	bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe
1280	bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exeRVN.exeTXPlatforn.execmd.exe

description	pid	process	target process
PID 1280 wrote to memory of 1676	1280	bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe	RVN.exe
PID 1280 wrote to memory of 1676	1280	bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe	RVN.exe
PID 1280 wrote to memory of 1676	1280	bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe	RVN.exe
PID 1280 wrote to memory of 1676	1280	bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe	RVN.exe
PID 1280 wrote to memory of 1676	1280	bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe	RVN.exe
PID 1280 wrote to memory of 1676	1280	bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe	RVN.exe
PID 1280 wrote to memory of 1676	1280	bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe	RVN.exe
PID 1676 wrote to memory of 3068	1676	RVN.exe	cmd.exe
PID 1676 wrote to memory of 3068	1676	RVN.exe	cmd.exe
PID 1676 wrote to memory of 3068	1676	RVN.exe	cmd.exe
PID 1676 wrote to memory of 3068	1676	RVN.exe	cmd.exe
PID 2124 wrote to memory of 2544	2124	TXPlatforn.exe	TXPlatforn.exe
PID 2124 wrote to memory of 2544	2124	TXPlatforn.exe	TXPlatforn.exe
PID 2124 wrote to memory of 2544	2124	TXPlatforn.exe	TXPlatforn.exe
PID 2124 wrote to memory of 2544	2124	TXPlatforn.exe	TXPlatforn.exe
PID 2124 wrote to memory of 2544	2124	TXPlatforn.exe	TXPlatforn.exe
PID 2124 wrote to memory of 2544	2124	TXPlatforn.exe	TXPlatforn.exe
PID 2124 wrote to memory of 2544	2124	TXPlatforn.exe	TXPlatforn.exe
PID 1280 wrote to memory of 2520	1280	bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe	HD_bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe
PID 1280 wrote to memory of 2520	1280	bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe	HD_bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe
PID 1280 wrote to memory of 2520	1280	bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe	HD_bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe
PID 1280 wrote to memory of 2520	1280	bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe	HD_bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe
PID 3068 wrote to memory of 2548	3068	cmd.exe	PING.EXE
PID 3068 wrote to memory of 2548	3068	cmd.exe	PING.EXE
PID 3068 wrote to memory of 2548	3068	cmd.exe	PING.EXE
PID 3068 wrote to memory of 2548	3068	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe
"C:\Users\Admin\AppData\Local\Temp\bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1280

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:1676

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:3068

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2548

C:\Users\Admin\AppData\Local\Temp\HD_bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe
C:\Users\Admin\AppData\Local\Temp\HD_bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe
2⤵
- Executes dropped EXE
PID:2520

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2124

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:2544

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat

Filesize
1.3MB

MD5
e0ca0541c114267df157edb510868f62

SHA1
439cd664b1f43aa8ac1c8e39f004cdb2773fce95

SHA256
20d8a396cadfb0b2e7f7b82302cfdb105327766d280bf9dfe24aee2681507891

SHA512
9369114913774de9e81ab174fc044cbd7fb1b84c81f3dae28bc6f7cb779c5295b8eb999c6b5adcd55b505f96fcff0b146fb8d0c077678d6ace7182ff56024432

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe

Filesize
1.7MB

MD5
50e99a105b7a70aaa39f972b61f336ac

SHA1
6881cd9ca0cc7cdd29a455a45832cbd552a8d12a

SHA256
fef9f61050e6ca77375b5391134a4ec3d0fe860d584a27fb7fd55e8b8735ccd3

SHA512
806335ac66891435c57f5543028e58b5f6508d64ff192ad6185e6c88e05850e35a717c307fcb86528c866af7b42ff3631032b61edb775e513cc3b491d9c973f5

Download Submit
\Users\Admin\AppData\Local\Temp\RVN.exe

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/1280-85-0x0000000002AD0000-0x000000000304B000-memory.dmp

Filesize
5.5MB

Download
memory/1280-84-0x0000000002AD0000-0x000000000304B000-memory.dmp

Filesize
5.5MB

Download
memory/1280-78-0x0000000002AD0000-0x000000000304B000-memory.dmp

Filesize
5.5MB

Download
memory/1280-76-0x0000000002AD0000-0x000000000304B000-memory.dmp

Filesize
5.5MB

Download
memory/1676-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1676-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1676-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1676-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1676-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2124-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2124-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2520-34-0x0000000000400000-0x000000000097B000-memory.dmp

Filesize
5.5MB

Download
memory/2544-67-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2544-61-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2544-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2544-77-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2544-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2544-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads