gh0strat | 79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7

General

Target

79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe
Size

1.9MB
MD5

4dc12e53360382583b27216e5741bcf7
SHA1

1cee5ae3602d2143c30e85ed507b0e33176b2633
SHA256

79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7
SHA512

05568bca5aa4046bb8f825f210d2968f041ae144aa61cfa6ed69217f8626de4aab4d9d9d094ad6fd726e90b3a781b5bb8dbf13509e0fc538521bd4200e6ac3ba
SSDEEP

49152:U09XJt4HIN2H2tFvduySJJDmn2VTjm21t:5ZJt4HINy2LkJJDmn2Vt

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/3016-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3016-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3008-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3016-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3008-24-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2720-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2720-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2720-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2720-67-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3016-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3016-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3008-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3016-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3008-24-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2720-34-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2720-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2720-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2720-67-0x0000000010000000-0x00000000101B6000-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_79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe

pid process

3016 RVN.exe
3008 TXPlatforn.exe
2720 TXPlatforn.exe
2612 HD_79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe

pid	process
3016	RVN.exe
3008	TXPlatforn.exe
2720	TXPlatforn.exe
2612	HD_79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe

Loads dropped DLL 3 IoCs

Processes:

79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exeTXPlatforn.exe

pid	process
2952	79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe
3008	TXPlatforn.exe
2952	79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/3016-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3016-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3016-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3008-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3016-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3008-24-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2720-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2720-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2720-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2720-67-0x0000000010000000-0x00000000101B6000-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:

79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe

description	ioc	process
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.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

2808 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe

pid process

2952 79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2720 TXPlatforn.exe

pid	process
2808	PING.EXE

pid	process
2720	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

RVN.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3016	RVN.exe
Token: SeLoadDriverPrivilege	2720	TXPlatforn.exe
Token: 33	2720	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2720	TXPlatforn.exe
Token: 33	2720	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2720	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe

pid	process
2952	79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe
2952	79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exeRVN.exeTXPlatforn.execmd.exe

description	pid	process	target process
PID 2952 wrote to memory of 3016	2952	79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe	RVN.exe
PID 2952 wrote to memory of 3016	2952	79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe	RVN.exe
PID 2952 wrote to memory of 3016	2952	79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe	RVN.exe
PID 2952 wrote to memory of 3016	2952	79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe	RVN.exe
PID 2952 wrote to memory of 3016	2952	79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe	RVN.exe
PID 2952 wrote to memory of 3016	2952	79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe	RVN.exe
PID 2952 wrote to memory of 3016	2952	79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe	RVN.exe
PID 3016 wrote to memory of 2648	3016	RVN.exe	cmd.exe
PID 3016 wrote to memory of 2648	3016	RVN.exe	cmd.exe
PID 3016 wrote to memory of 2648	3016	RVN.exe	cmd.exe
PID 3016 wrote to memory of 2648	3016	RVN.exe	cmd.exe
PID 3008 wrote to memory of 2720	3008	TXPlatforn.exe	TXPlatforn.exe
PID 3008 wrote to memory of 2720	3008	TXPlatforn.exe	TXPlatforn.exe
PID 3008 wrote to memory of 2720	3008	TXPlatforn.exe	TXPlatforn.exe
PID 3008 wrote to memory of 2720	3008	TXPlatforn.exe	TXPlatforn.exe
PID 3008 wrote to memory of 2720	3008	TXPlatforn.exe	TXPlatforn.exe
PID 3008 wrote to memory of 2720	3008	TXPlatforn.exe	TXPlatforn.exe
PID 3008 wrote to memory of 2720	3008	TXPlatforn.exe	TXPlatforn.exe
PID 2952 wrote to memory of 2612	2952	79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe	HD_79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe
PID 2952 wrote to memory of 2612	2952	79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe	HD_79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe
PID 2952 wrote to memory of 2612	2952	79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe	HD_79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe
PID 2952 wrote to memory of 2612	2952	79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe	HD_79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe
PID 2648 wrote to memory of 2808	2648	cmd.exe	PING.EXE
PID 2648 wrote to memory of 2808	2648	cmd.exe	PING.EXE
PID 2648 wrote to memory of 2808	2648	cmd.exe	PING.EXE
PID 2648 wrote to memory of 2808	2648	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe
"C:\Users\Admin\AppData\Local\Temp\79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2952

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:3016

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:2648

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2808

C:\Users\Admin\AppData\Local\Temp\HD_79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe
C:\Users\Admin\AppData\Local\Temp\HD_79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe
2⤵
- Executes dropped EXE
PID:2612

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3008

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:2720

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
1.5MB

MD5
8a89f5d239eeef2abb1008b687318ca3

SHA1
299495f4a4600c02c354a568998ab914772f1876

SHA256
c648f19e941be83d744fed44bf0be1d3c17b032469364d7fd1db154b750761c6

SHA512
b735a8cbd29a02c6fbdcccb9e7cc3e177a068d5be929fe20d0ca7b1905bb45cba56df19de9be11e2ec437373dfc6a7502d38537c4284ed69a0b071cca8dfe255

Download Submit
\Users\Admin\AppData\Local\Temp\HD_79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe

Filesize
441KB

MD5
3893aeb4428ba5c5aa57471add1a03b0

SHA1
d0b0f401366293a7b01e897f027fabbcd49d299f

SHA256
f18fcddf3a06cc817a94a5dd61d8f1ac7d2bbe1e04e42f6fd803d3b944e8757e

SHA512
81ad48194131863dd8740ab28795450fc00fb346e8048fb95326588394dd26eec5cf39601fef78b2e48ac2cbf38d60fbb110af96dbfa4ad0424fc0f1dd06a599

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/2720-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2720-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2720-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2720-67-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3008-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3008-24-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3016-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3016-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3016-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3016-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads