gh0strat | 75d2d9d4e4e4ff210845e02c46ce062c8bb434fe7527d38239f77968e5dc0c58

Analysis

max time kernel
150s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
11/06/2024, 03:32

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General

Target
75d2d9d4e4e4ff210845e02c46ce062c8bb434fe7527d38239f77968e5dc0c58.exe
Size 12.1MB
Sample240611-d34alssfjg
SHA256 75d2d9d4e4e4ff210845e02c46ce062c8bb434fe7527d38239f77968e5dc0c58
MD5 0f7ae0aceadb50591b7400a2b869bed9
SHA1 c5ad7bd9520fb5011dbe25135d4ca164bf5ed217
SHA512 77211afa6e75996fb142ac16e1c0744c3afb1caa27b37e99709723a10f69bb7a098f52070b8d66e4401fcc8fc8470eefe1579747596deef050c544a4cff2d39e
SSDEEP 393216:87i5SEKH3HVklBf1kjsXHmMFrJEr5jcEve2/FleI:0i5NwVsBbHz8r5j9vRle
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/4704-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4704-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4704-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1396-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1396-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1396-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1648-27-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1396-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1648-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1648-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral2/memory/4704-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4704-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4704-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1396-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1396-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1396-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1648-27-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1396-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1648-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1648-34-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1648-36-0x0000000010000000-0x00000000101B6000-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 4 IoCs

pid	Process
4704	QQ.exe
1396	TXPlatforn.exe
1648	TXPlatforn.exe
1480	HD_75d2d9d4e4e4ff210845e02c46ce062c8bb434fe7527d38239f77968e5dc0c58.exe

UPX packed file 16 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4704-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4704-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4704-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4704-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1396-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1396-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1396-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1648-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1396-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/files/0x0007000000023468-30.dat	upx
behavioral2/memory/1648-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1648-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1480-33-0x0000000000400000-0x0000000001535000-memory.dmp	upx
behavioral2/memory/1396-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1648-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1480-86-0x0000000000400000-0x0000000001535000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\TXPlatforn.exe	QQ.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	QQ.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	75d2d9d4e4e4ff210845e02c46ce062c8bb434fe7527d38239f77968e5dc0c58.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	75d2d9d4e4e4ff210845e02c46ce062c8bb434fe7527d38239f77968e5dc0c58.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	75d2d9d4e4e4ff210845e02c46ce062c8bb434fe7527d38239f77968e5dc0c58.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	75d2d9d4e4e4ff210845e02c46ce062c8bb434fe7527d38239f77968e5dc0c58.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	75d2d9d4e4e4ff210845e02c46ce062c8bb434fe7527d38239f77968e5dc0c58.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
1944	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4152	75d2d9d4e4e4ff210845e02c46ce062c8bb434fe7527d38239f77968e5dc0c58.exe
4152	75d2d9d4e4e4ff210845e02c46ce062c8bb434fe7527d38239f77968e5dc0c58.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1648	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4704	QQ.exe
Token: SeLoadDriverPrivilege	1648	TXPlatforn.exe
Token: 33	1648	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	1648	TXPlatforn.exe
Token: 33	1648	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	1648	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4152	75d2d9d4e4e4ff210845e02c46ce062c8bb434fe7527d38239f77968e5dc0c58.exe
4152	75d2d9d4e4e4ff210845e02c46ce062c8bb434fe7527d38239f77968e5dc0c58.exe
1480	HD_75d2d9d4e4e4ff210845e02c46ce062c8bb434fe7527d38239f77968e5dc0c58.exe
1480	HD_75d2d9d4e4e4ff210845e02c46ce062c8bb434fe7527d38239f77968e5dc0c58.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4152 wrote to memory of 4704	4152	75d2d9d4e4e4ff210845e02c46ce062c8bb434fe7527d38239f77968e5dc0c58.exe	80
PID 4152 wrote to memory of 4704	4152	75d2d9d4e4e4ff210845e02c46ce062c8bb434fe7527d38239f77968e5dc0c58.exe	80
PID 4152 wrote to memory of 4704	4152	75d2d9d4e4e4ff210845e02c46ce062c8bb434fe7527d38239f77968e5dc0c58.exe	80
PID 1396 wrote to memory of 1648	1396	TXPlatforn.exe	83
PID 1396 wrote to memory of 1648	1396	TXPlatforn.exe	83
PID 1396 wrote to memory of 1648	1396	TXPlatforn.exe	83
PID 4704 wrote to memory of 2344	4704	QQ.exe	82
PID 4704 wrote to memory of 2344	4704	QQ.exe	82
PID 4704 wrote to memory of 2344	4704	QQ.exe	82
PID 4152 wrote to memory of 1480	4152	75d2d9d4e4e4ff210845e02c46ce062c8bb434fe7527d38239f77968e5dc0c58.exe	84
PID 4152 wrote to memory of 1480	4152	75d2d9d4e4e4ff210845e02c46ce062c8bb434fe7527d38239f77968e5dc0c58.exe	84
PID 4152 wrote to memory of 1480	4152	75d2d9d4e4e4ff210845e02c46ce062c8bb434fe7527d38239f77968e5dc0c58.exe	84
PID 2344 wrote to memory of 1944	2344	cmd.exe	86
PID 2344 wrote to memory of 1944	2344	cmd.exe	86
PID 2344 wrote to memory of 1944	2344	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\75d2d9d4e4e4ff210845e02c46ce062c8bb434fe7527d38239f77968e5dc0c58.exe
"C:\Users\Admin\AppData\Local\Temp\75d2d9d4e4e4ff210845e02c46ce062c8bb434fe7527d38239f77968e5dc0c58.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4152
- C:\Users\Admin\AppData\Local\Temp\QQ.exe
  C:\Users\Admin\AppData\Local\Temp\\QQ.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4704
- - 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\QQ.exe > nul
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2344
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:1944
- C:\Users\Admin\AppData\Local\Temp\HD_75d2d9d4e4e4ff210845e02c46ce062c8bb434fe7527d38239f77968e5dc0c58.exe
  C:\Users\Admin\AppData\Local\Temp\HD_75d2d9d4e4e4ff210845e02c46ce062c8bb434fe7527d38239f77968e5dc0c58.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:1480

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1396
- 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:1648

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

HD_75d2d9d4e4e4ff210845e02c46ce062c8bb434fe7527d38239f77968e5dc0c58.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_75d2d9d4e4e4ff210845e02c46ce062c8bb434fe7527d38239f77968e5dc0c58.exe
Size 10.8MB
SHA256 71aa84bc19f44a81c149caec4c2fbb925c219d29a12aa57e96e99db6f6e361f7
MD5 70d1abf37bdaa1de52d3985603529ab1
SHA1 4def68e9d8ec94421f2e07575af5dc3184635723
SHA512 a9623e8f1e0113ab1f05763b7e0382f023c15803b141036ff9032bcab51e7adc2be2183a6cdb3693c941b5cd72196eaeb8daabaf27d3b2c87eedb8d4110df5af
SSDEEP 196608:5xNSSXUKH3H2GjkET56BfNLkjsXHmS3DbyUpAPdalCx0Izr5xc2rcxHFIfDjefeH:QSEKH3HVklBf1kjsXHmMFrJEr5jcEveO
MD5 SHA1 SHA512 SSDEEP

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HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 1.3MB
SHA256 7302b35a4ba93767ca281bfe44792eb468f99c116bb420e6e6178daad740c7fa
MD5 520592ea392106e67599a041735cb99c
SHA1 c9196e65750df2a68c154b2756689030dcc3a047
SHA512 2810eaae17069097bb461b8b259f31a3ae2515b55d7eb43b5e5003026dca724335eb0468774a43efe19168f4db23440a1ac0df50cc88466d0852751129e89761
SSDEEP 24576:S89tv9/7JtDElDEExIecl1erdg0MCiVWhR/Gd/:S89XJt4HIZ/Gg0P+Whod/
MD5 SHA1 SHA512 SSDEEP

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QQ.exe

Path C:\Users\Admin\AppData\Local\Temp\QQ.exe
Size 377KB
SHA256 bb43f73ddd5d04adcd723061ccf3a535387fa439aba0039d39a72f5d6ae3062b
MD5 3d6e7db5800f1dadb016cbf989749e3c
SHA1 7c09c438a352cbc4de5d7279bf07d36e8f6cbfef
SHA512 a98392c694a662a243581bc07582bffa9f425c4bd9acf2a68c19fbe95ee64f95ed4ca3100802736f67eea809a95fbf4f5e357800d3fa21f9d57b1f8d07d1462c
SSDEEP 6144:5UGp2l6zRmeVLNHfkQ2TAygOcqAJwQZgb4YtjH6/MuQafORzEOmFfMzi71o+YoL7:HclcceBKlKwAg0Mja/UafOVwbhR
MD5 SHA1 SHA512 SSDEEP

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memory/1396-13-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1396-15-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1396-17-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1396-16-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1396-25-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1480-86-0x0000000000400000-0x0000000001535000-memory.dmp

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memory/1480-37-0x0000000010000000-0x00000000101D4000-memory.dmp

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memory/1480-33-0x0000000000400000-0x0000000001535000-memory.dmp

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memory/1648-34-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1648-21-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1648-27-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1648-36-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4704-10-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4704-6-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4704-7-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4704-4-0x0000000010000000-0x00000000101B6000-memory.dmp

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