gh0strat | bca88522c333c4d1a8a01218d11f13d818c8009c342bce125feaf7d822bd45ee

General

Target

bca88522c333c4d1a8a01218d11f13d818c8009c342bce125feaf7d822bd45ee.exe
Size

1.4MB
MD5

56f49d2b7cab7868b24b075fa9ab7f32
SHA1

52c1e8163d652413f19da8456c8225b645238ad3
SHA256

bca88522c333c4d1a8a01218d11f13d818c8009c342bce125feaf7d822bd45ee
SHA512

ec1326bb1be50f305c9cd95b3acc09f422822f8410c6313bb66973b71db8a4d9123725628bd23e1c86b81e617c65fef33b571139aff15c34549cae17326cd269
SSDEEP

24576:J09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+JRjtaaaaa5i:J09XJt4HIN2H2tFvduySP3

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2120-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2120-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2120-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2544-58-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2928-62-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2928-65-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2928-67-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/2120-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2120-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2544-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2120-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2544-58-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2928-62-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2928-65-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2928-67-0x0000000010000000-0x00000000101B6000-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

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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatforn.exe

Executes dropped EXE 3 IoCs

pid	Process
2120	RVN.exe
2544	TXPlatforn.exe
2928	TXPlatforn.exe

Loads dropped DLL 2 IoCs

pid	Process
3024	bca88522c333c4d1a8a01218d11f13d818c8009c342bce125feaf7d822bd45ee.exe
2544	TXPlatforn.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2120-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2120-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2120-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2120-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2544-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2120-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2544-58-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2928-62-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2928-65-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2928-67-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

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

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	bca88522c333c4d1a8a01218d11f13d818c8009c342bce125feaf7d822bd45ee.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	bca88522c333c4d1a8a01218d11f13d818c8009c342bce125feaf7d822bd45ee.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	bca88522c333c4d1a8a01218d11f13d818c8009c342bce125feaf7d822bd45ee.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	bca88522c333c4d1a8a01218d11f13d818c8009c342bce125feaf7d822bd45ee.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

pid	Process
2704	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2928	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2120	RVN.exe
Token: SeLoadDriverPrivilege	2928	TXPlatforn.exe
Token: 33	2928	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2928	TXPlatforn.exe
Token: 33	2928	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2928	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3024	bca88522c333c4d1a8a01218d11f13d818c8009c342bce125feaf7d822bd45ee.exe
3024	bca88522c333c4d1a8a01218d11f13d818c8009c342bce125feaf7d822bd45ee.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 3024 wrote to memory of 2120	3024	bca88522c333c4d1a8a01218d11f13d818c8009c342bce125feaf7d822bd45ee.exe	28
PID 3024 wrote to memory of 2120	3024	bca88522c333c4d1a8a01218d11f13d818c8009c342bce125feaf7d822bd45ee.exe	28
PID 3024 wrote to memory of 2120	3024	bca88522c333c4d1a8a01218d11f13d818c8009c342bce125feaf7d822bd45ee.exe	28
PID 3024 wrote to memory of 2120	3024	bca88522c333c4d1a8a01218d11f13d818c8009c342bce125feaf7d822bd45ee.exe	28
PID 3024 wrote to memory of 2120	3024	bca88522c333c4d1a8a01218d11f13d818c8009c342bce125feaf7d822bd45ee.exe	28
PID 3024 wrote to memory of 2120	3024	bca88522c333c4d1a8a01218d11f13d818c8009c342bce125feaf7d822bd45ee.exe	28
PID 3024 wrote to memory of 2120	3024	bca88522c333c4d1a8a01218d11f13d818c8009c342bce125feaf7d822bd45ee.exe	28
PID 2120 wrote to memory of 2508	2120	RVN.exe	30
PID 2120 wrote to memory of 2508	2120	RVN.exe	30
PID 2120 wrote to memory of 2508	2120	RVN.exe	30
PID 2120 wrote to memory of 2508	2120	RVN.exe	30
PID 2508 wrote to memory of 2704	2508	cmd.exe	32
PID 2508 wrote to memory of 2704	2508	cmd.exe	32
PID 2508 wrote to memory of 2704	2508	cmd.exe	32
PID 2508 wrote to memory of 2704	2508	cmd.exe	32
PID 2544 wrote to memory of 2928	2544	TXPlatforn.exe	33
PID 2544 wrote to memory of 2928	2544	TXPlatforn.exe	33
PID 2544 wrote to memory of 2928	2544	TXPlatforn.exe	33
PID 2544 wrote to memory of 2928	2544	TXPlatforn.exe	33
PID 2544 wrote to memory of 2928	2544	TXPlatforn.exe	33
PID 2544 wrote to memory of 2928	2544	TXPlatforn.exe	33
PID 2544 wrote to memory of 2928	2544	TXPlatforn.exe	33

C:\Users\Admin\AppData\Local\Temp\bca88522c333c4d1a8a01218d11f13d818c8009c342bce125feaf7d822bd45ee.exe
"C:\Users\Admin\AppData\Local\Temp\bca88522c333c4d1a8a01218d11f13d818c8009c342bce125feaf7d822bd45ee.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3024
- 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:2120
- - 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:2508
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2704

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2544
- 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:2928

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
1.4MB

MD5
56f49d2b7cab7868b24b075fa9ab7f32

SHA1
52c1e8163d652413f19da8456c8225b645238ad3

SHA256
bca88522c333c4d1a8a01218d11f13d818c8009c342bce125feaf7d822bd45ee

SHA512
ec1326bb1be50f305c9cd95b3acc09f422822f8410c6313bb66973b71db8a4d9123725628bd23e1c86b81e617c65fef33b571139aff15c34549cae17326cd269

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/2120-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2120-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2120-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2120-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2120-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2544-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2544-58-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2928-62-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2928-65-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2928-67-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3024-0-0x0000000000400000-0x0000000000583000-memory.dmp

Filesize
1.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads