gh0strat | 5c18c497bb59f6f89ffd8ace4645d5653601c938cc3526eb0dd7d45ddf853c0e

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
28/05/2024, 22:37

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General

Target
5c18c497bb59f6f89ffd8ace4645d5653601c938cc3526eb0dd7d45ddf853c0e.exe
Size 1.2MB
Sample240528-2kascafd2x
SHA256 5c18c497bb59f6f89ffd8ace4645d5653601c938cc3526eb0dd7d45ddf853c0e
MD5 ee04291388075a9fc9d09be0a38a9f09
SHA1 700e00375967fc01a14dd245dac85177dc49aea5
SHA512 eca6fbb5510f3c48a5101c09cf01fa5501685ff1c040b88c96a1e886fcaffcdd80b04c328faea39551af9607f9f29327c8c20d8da969e84faf1a422518386086
SSDEEP 24576:I09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+bJU:I09XJt4HIN2H2tFvduySBJU
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 11 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/1860-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1860-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2628-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1860-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2628-24-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2640-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2640-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2640-27-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2640-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2640-33-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2640-67-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral1/memory/1860-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1860-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2628-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1860-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2628-24-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2640-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2640-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2640-27-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2640-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2640-33-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2640-67-0x0000000010000000-0x00000000101B6000-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
1860	RVN.exe
2628	TXPlatforn.exe
2640	TXPlatforn.exe

Loads dropped DLL 2 IoCs

pid	Process
2280	5c18c497bb59f6f89ffd8ace4645d5653601c938cc3526eb0dd7d45ddf853c0e.exe
2628	TXPlatforn.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1860-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1860-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1860-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2628-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1860-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2628-24-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2640-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2640-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2640-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2640-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2640-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2640-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2640-67-0x0000000010000000-0x00000000101B6000-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\Mozilla Firefox\firefox.exe	5c18c497bb59f6f89ffd8ace4645d5653601c938cc3526eb0dd7d45ddf853c0e.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	5c18c497bb59f6f89ffd8ace4645d5653601c938cc3526eb0dd7d45ddf853c0e.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	5c18c497bb59f6f89ffd8ace4645d5653601c938cc3526eb0dd7d45ddf853c0e.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	5c18c497bb59f6f89ffd8ace4645d5653601c938cc3526eb0dd7d45ddf853c0e.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
2596	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2640	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1860	RVN.exe
Token: SeLoadDriverPrivilege	2640	TXPlatforn.exe
Token: 33	2640	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2640	TXPlatforn.exe
Token: 33	2640	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2640	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2280	5c18c497bb59f6f89ffd8ace4645d5653601c938cc3526eb0dd7d45ddf853c0e.exe
2280	5c18c497bb59f6f89ffd8ace4645d5653601c938cc3526eb0dd7d45ddf853c0e.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 1860	2280	5c18c497bb59f6f89ffd8ace4645d5653601c938cc3526eb0dd7d45ddf853c0e.exe	28
PID 2280 wrote to memory of 1860	2280	5c18c497bb59f6f89ffd8ace4645d5653601c938cc3526eb0dd7d45ddf853c0e.exe	28
PID 2280 wrote to memory of 1860	2280	5c18c497bb59f6f89ffd8ace4645d5653601c938cc3526eb0dd7d45ddf853c0e.exe	28
PID 2280 wrote to memory of 1860	2280	5c18c497bb59f6f89ffd8ace4645d5653601c938cc3526eb0dd7d45ddf853c0e.exe	28
PID 2280 wrote to memory of 1860	2280	5c18c497bb59f6f89ffd8ace4645d5653601c938cc3526eb0dd7d45ddf853c0e.exe	28
PID 2280 wrote to memory of 1860	2280	5c18c497bb59f6f89ffd8ace4645d5653601c938cc3526eb0dd7d45ddf853c0e.exe	28
PID 2280 wrote to memory of 1860	2280	5c18c497bb59f6f89ffd8ace4645d5653601c938cc3526eb0dd7d45ddf853c0e.exe	28
PID 1860 wrote to memory of 2860	1860	RVN.exe	30
PID 1860 wrote to memory of 2860	1860	RVN.exe	30
PID 1860 wrote to memory of 2860	1860	RVN.exe	30
PID 1860 wrote to memory of 2860	1860	RVN.exe	30
PID 2628 wrote to memory of 2640	2628	TXPlatforn.exe	31
PID 2628 wrote to memory of 2640	2628	TXPlatforn.exe	31
PID 2628 wrote to memory of 2640	2628	TXPlatforn.exe	31
PID 2628 wrote to memory of 2640	2628	TXPlatforn.exe	31
PID 2628 wrote to memory of 2640	2628	TXPlatforn.exe	31
PID 2628 wrote to memory of 2640	2628	TXPlatforn.exe	31
PID 2628 wrote to memory of 2640	2628	TXPlatforn.exe	31
PID 2860 wrote to memory of 2596	2860	cmd.exe	33
PID 2860 wrote to memory of 2596	2860	cmd.exe	33
PID 2860 wrote to memory of 2596	2860	cmd.exe	33
PID 2860 wrote to memory of 2596	2860	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\5c18c497bb59f6f89ffd8ace4645d5653601c938cc3526eb0dd7d45ddf853c0e.exe
"C:\Users\Admin\AppData\Local\Temp\5c18c497bb59f6f89ffd8ace4645d5653601c938cc3526eb0dd7d45ddf853c0e.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2280
- 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:1860
- - 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:2860
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2596

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2628
- 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:2640

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

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Downloads

HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 1.2MB
SHA256 5c18c497bb59f6f89ffd8ace4645d5653601c938cc3526eb0dd7d45ddf853c0e
MD5 ee04291388075a9fc9d09be0a38a9f09
SHA1 700e00375967fc01a14dd245dac85177dc49aea5
SHA512 eca6fbb5510f3c48a5101c09cf01fa5501685ff1c040b88c96a1e886fcaffcdd80b04c328faea39551af9607f9f29327c8c20d8da969e84faf1a422518386086
SSDEEP 24576:I09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+bJU:I09XJt4HIN2H2tFvduySBJU
MD5 SHA1 SHA512 SSDEEP

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RVN.exe

Path \Users\Admin\AppData\Local\Temp\RVN.exe
Size 377KB
SHA256 57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
MD5 80ade1893dec9cab7f2e63538a464fcc
SHA1 c06614da33a65eddb506db00a124a3fc3f5be02e
SHA512 fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4
SSDEEP 6144:BEo7J1ixs4uVKE9rFEAHKThrBSq2hAzSM5mDo9lSJULHZqExlD2E1LxhJVwIe0Dy:Wo2HQVWAHkFSq2hAWJYlMUtrxlyuJVRq
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1860-7-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1860-5-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1860-9-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1860-21-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2628-24-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2628-18-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2640-28-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2640-29-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2640-27-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2640-25-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2640-30-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2640-33-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2640-67-0x0000000010000000-0x00000000101B6000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads