gh0strat | 50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082

General

Target

50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exe
Size

11.4MB
MD5

16fb403785376f91729569db4ff263f2
SHA1

d59d4d9235c8cd59811a862add728d6a0837041d
SHA256

50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082
SHA512

6040830969ead14b5b96218c91f2328cf17d75e2a6ca7020e3b91f299955a7683b05eea810a1a7bb350875be6163e267c3d5f83d81fc55816d772e220ec5a917
SSDEEP

196608:fiINy2Lk+P64Xcv3REzJDhe+Mebk43qmtIwdC/iGtdQwGZnlae1wpBnjDqfA4Mf6:Jvsv3Re1c+rIm2wdZ0deC7a4dNhMcn0e

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 11 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/2424-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2424-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2424-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3520-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3520-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3520-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2512-24-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3520-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2512-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2512-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2512-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2424-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2424-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2424-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3520-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3520-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3520-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2512-24-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3520-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2512-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2512-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2512-30-0x0000000010000000-0x00000000101B6000-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_50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exe

pid process

2424 RVN.exe
3520 TXPlatforn.exe
2512 TXPlatforn.exe
4212 HD_50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exe

pid	process
2424	RVN.exe
3520	TXPlatforn.exe
2512	TXPlatforn.exe
4212	HD_50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exe

UPX packed file 16 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2424-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2424-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2424-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2424-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3520-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3520-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3520-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3520-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2512-24-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3520-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2512-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2512-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2512-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\HD_50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exe	upx
behavioral2/memory/4212-40-0x0000000000400000-0x0000000001412000-memory.dmp	upx
behavioral2/memory/4212-84-0x0000000000400000-0x0000000001412000-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 5 IoCs

Processes:

50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.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

804 PING.EXE

pid	process
804	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exe

pid	process
1280	50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exe
1280	50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2512 TXPlatforn.exe

pid	process
2512	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

RVN.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2424	RVN.exe
Token: SeLoadDriverPrivilege	2512	TXPlatforn.exe
Token: 33	2512	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2512	TXPlatforn.exe
Token: 33	2512	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2512	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exeHD_50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exe

pid	process
1280	50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exe
1280	50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exe
4212	HD_50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exe
4212	HD_50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exeRVN.exeTXPlatforn.execmd.exe

description	pid	process	target process
PID 1280 wrote to memory of 2424	1280	50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exe	RVN.exe
PID 1280 wrote to memory of 2424	1280	50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exe	RVN.exe
PID 1280 wrote to memory of 2424	1280	50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exe	RVN.exe
PID 2424 wrote to memory of 2596	2424	RVN.exe	cmd.exe
PID 2424 wrote to memory of 2596	2424	RVN.exe	cmd.exe
PID 2424 wrote to memory of 2596	2424	RVN.exe	cmd.exe
PID 3520 wrote to memory of 2512	3520	TXPlatforn.exe	TXPlatforn.exe
PID 3520 wrote to memory of 2512	3520	TXPlatforn.exe	TXPlatforn.exe
PID 3520 wrote to memory of 2512	3520	TXPlatforn.exe	TXPlatforn.exe
PID 2596 wrote to memory of 804	2596	cmd.exe	PING.EXE
PID 2596 wrote to memory of 804	2596	cmd.exe	PING.EXE
PID 2596 wrote to memory of 804	2596	cmd.exe	PING.EXE
PID 1280 wrote to memory of 4212	1280	50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exe	HD_50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exe
PID 1280 wrote to memory of 4212	1280	50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exe	HD_50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exe
PID 1280 wrote to memory of 4212	1280	50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exe	HD_50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exe

C:\Users\Admin\AppData\Local\Temp\50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exe
"C:\Users\Admin\AppData\Local\Temp\50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exe"
1⤵
- 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:2424

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:2596

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:804

C:\Users\Admin\AppData\Local\Temp\HD_50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exe
C:\Users\Admin\AppData\Local\Temp\HD_50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4212

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3520

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:2512

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_50b7197628f3d6f78c485002d4dfcb37f743e240b163cbfed332d87200ffb082.exe

Filesize
10.2MB

MD5
58e93fa650828fb6b78d5ac944cf4c9f

SHA1
e7d41eab06a4f7a39eb50fa14bd82c74584c2c37

SHA256
e580b0c6244e5d8b534481468fc1d738348598e8aa27c5362946dbe6eb4fbc32

SHA512
86700bee6b721f369f931879c264419781ec59ac878be8322f00951d2d62168a1eb6af65dddde8d0df8d097056eba23e9308940d240ad6a6e4a670158226abfa

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

Filesize
1.2MB

MD5
7bd6cb9c0f1fba139e1e18b6aaf3962f

SHA1
b019edf5b65684987f515f755631b43e44d13f0f

SHA256
912a9ad6c78f98a706dc29a57a6511db086b37de05efb67307e49bf10855a36d

SHA512
9a9990400b8a4fa1143ed97195e3fb960b6867e0fb2029215cf3f2e4a2631a61a8e4311593f291740770f16539ae26b13f61a337e9b26490e3a3da6489eb27b6

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/2424-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2424-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2424-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2424-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2512-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2512-24-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2512-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2512-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3520-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3520-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3520-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3520-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3520-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4212-36-0x0000000010000000-0x0000000010116000-memory.dmp

Filesize
1.1MB

Download
memory/4212-40-0x0000000000400000-0x0000000001412000-memory.dmp

Filesize
16.1MB

Download
memory/4212-84-0x0000000000400000-0x0000000001412000-memory.dmp

Filesize
16.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads