gh0strat | 4411c0a80a5960603c7f8389e167e3803841f7b43c6e5bf81a38a578c214c165

Analysis

max time kernel
150s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13/11/2024, 16:51

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General

Target
4411c0a80a5960603c7f8389e167e3803841f7b43c6e5bf81a38a578c214c165.exe
Size 4.7MB
Sample241113-vct3paypej
SHA256 4411c0a80a5960603c7f8389e167e3803841f7b43c6e5bf81a38a578c214c165
MD5 40d77fff3f92baaac71638af24d2d3b9
SHA1 e1a4f9e663c52303ad44b824ad0220c415768381
SHA512 d7e41c9f1c870f850ab75c8d306f60fa335d55ac22d3ad88c9e0c4cf1b0f38c0b101e0a97ac849873794627fd594a5f89d1813b8c476574e8c9b7e2b6b15fc27
SSDEEP 49152:X09XJt4HIN2H2tFvduySt3rbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8w:kZJt4HINy2Lkt3rbXsPN5kiQaZ56
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 12 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/3948-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3948-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3948-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4852-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4852-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4852-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4852-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3344-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3344-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3344-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3344-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3344-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 12 IoCs

resource	yara_rule
behavioral2/memory/3948-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3948-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3948-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4852-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4852-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4852-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4852-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3344-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3344-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3344-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3344-34-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3344-35-0x0000000010000000-0x00000000101B6000-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
Gh0strat family
gh0strat
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Purplefox family
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
3948	RVN.exe
4852	TXPlatforn.exe
3344	TXPlatforn.exe
2484	HD_4411c0a80a5960603c7f8389e167e3803841f7b43c6e5bf81a38a578c214c165.exe

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

UPX packed file 14 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3948-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3948-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3948-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3948-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4852-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4852-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4852-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4852-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4852-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3344-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3344-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3344-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3344-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3344-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	4411c0a80a5960603c7f8389e167e3803841f7b43c6e5bf81a38a578c214c165.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	4411c0a80a5960603c7f8389e167e3803841f7b43c6e5bf81a38a578c214c165.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	4411c0a80a5960603c7f8389e167e3803841f7b43c6e5bf81a38a578c214c165.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	4411c0a80a5960603c7f8389e167e3803841f7b43c6e5bf81a38a578c214c165.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	4411c0a80a5960603c7f8389e167e3803841f7b43c6e5bf81a38a578c214c165.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_4411c0a80a5960603c7f8389e167e3803841f7b43c6e5bf81a38a578c214c165.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4411c0a80a5960603c7f8389e167e3803841f7b43c6e5bf81a38a578c214c165.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RVN.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4676	cmd.exe
1472	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1472	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3860	4411c0a80a5960603c7f8389e167e3803841f7b43c6e5bf81a38a578c214c165.exe
3860	4411c0a80a5960603c7f8389e167e3803841f7b43c6e5bf81a38a578c214c165.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3344	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3948	RVN.exe
Token: SeLoadDriverPrivilege	3344	TXPlatforn.exe
Token: 33	3344	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3344	TXPlatforn.exe
Token: 33	3344	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3344	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3860	4411c0a80a5960603c7f8389e167e3803841f7b43c6e5bf81a38a578c214c165.exe
3860	4411c0a80a5960603c7f8389e167e3803841f7b43c6e5bf81a38a578c214c165.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3860 wrote to memory of 3948	3860	4411c0a80a5960603c7f8389e167e3803841f7b43c6e5bf81a38a578c214c165.exe	83
PID 3860 wrote to memory of 3948	3860	4411c0a80a5960603c7f8389e167e3803841f7b43c6e5bf81a38a578c214c165.exe	83
PID 3860 wrote to memory of 3948	3860	4411c0a80a5960603c7f8389e167e3803841f7b43c6e5bf81a38a578c214c165.exe	83
PID 3948 wrote to memory of 4676	3948	RVN.exe	87
PID 3948 wrote to memory of 4676	3948	RVN.exe	87
PID 3948 wrote to memory of 4676	3948	RVN.exe	87
PID 4852 wrote to memory of 3344	4852	TXPlatforn.exe	88
PID 4852 wrote to memory of 3344	4852	TXPlatforn.exe	88
PID 4852 wrote to memory of 3344	4852	TXPlatforn.exe	88
PID 3860 wrote to memory of 2484	3860	4411c0a80a5960603c7f8389e167e3803841f7b43c6e5bf81a38a578c214c165.exe	89
PID 3860 wrote to memory of 2484	3860	4411c0a80a5960603c7f8389e167e3803841f7b43c6e5bf81a38a578c214c165.exe	89
PID 3860 wrote to memory of 2484	3860	4411c0a80a5960603c7f8389e167e3803841f7b43c6e5bf81a38a578c214c165.exe	89
PID 4676 wrote to memory of 1472	4676	cmd.exe	92
PID 4676 wrote to memory of 1472	4676	cmd.exe	92
PID 4676 wrote to memory of 1472	4676	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\4411c0a80a5960603c7f8389e167e3803841f7b43c6e5bf81a38a578c214c165.exe
"C:\Users\Admin\AppData\Local\Temp\4411c0a80a5960603c7f8389e167e3803841f7b43c6e5bf81a38a578c214c165.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3860
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3948
- - 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⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:4676
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:1472
- C:\Users\Admin\AppData\Local\Temp\HD_4411c0a80a5960603c7f8389e167e3803841f7b43c6e5bf81a38a578c214c165.exe
  C:\Users\Admin\AppData\Local\Temp\HD_4411c0a80a5960603c7f8389e167e3803841f7b43c6e5bf81a38a578c214c165.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2484

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4852
- 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:3344

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

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

HD_4411c0a80a5960603c7f8389e167e3803841f7b43c6e5bf81a38a578c214c165.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_4411c0a80a5960603c7f8389e167e3803841f7b43c6e5bf81a38a578c214c165.exe
Size 3.1MB
SHA256 f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794
MD5 fb083acd60fe5c3156dc25442be815e3
SHA1 61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8
SHA512 7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6
SSDEEP 49152:0bXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8ITDnl27PLhp:0bXsPN5kiQaZ56
MD5 SHA1 SHA512 SSDEEP

Submit Download

HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 1.6MB
SHA256 63e4110dbb264fa2a775ba85b6de6ceb7c7aab419775dcd156229d54e63db398
MD5 98656b8f248ed112da07598d195782d2
SHA1 4390a8254aeb9ab765f39b8b0a1a81d28f9536d0
SHA512 faef720d9e67396831a746bf99fded4700c101b3559dc0f8b1fbd81d79b1978bbe6eb2c4554dc9901feb728649b56235e8485d3749099a07a178eb1cf6ab7caf
SSDEEP 24576:X09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+KqTTh:X09XJt4HIN2H2tFvduySt3h
MD5 SHA1 SHA512 SSDEEP

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RVN.exe

Path C:\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

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memory/3344-35-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3344-34-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3344-32-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3344-30-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3344-26-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3948-7-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3948-10-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3948-6-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3948-5-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4852-25-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4852-16-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4852-17-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4852-15-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4852-13-0x0000000010000000-0x00000000101B6000-memory.dmp

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