gh0strat | 0b786972cd7bd3a4df27d21b2544c1bfcd4d734dfa34d39d98d7395692f1bb74

Analysis

max time kernel
135s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-12-2024 02:26

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General

Target

0b786972cd7bd3a4df27d21b2544c1bfcd4d734dfa34d39d98d7395692f1bb74.exe
Size

491KB
MD5

d68f6f86bc69b05a97dfdd98114799cf
SHA1

50bc8058c7ee34ab6609a0773b43569e9f5b4eb5
SHA256

0b786972cd7bd3a4df27d21b2544c1bfcd4d734dfa34d39d98d7395692f1bb74
SHA512

f38ac8e4a3213c1e9caba19878aad7e9eb384959b1b1e353144bf2a7797609e8ae632d626234f97c898b6c72d63c6c372f477b54fb84c573dedff3bd1ccfb3e0
SSDEEP

6144:GpoMkequERu8qQ1fjYMMW9eKZH+IdISTUL24qL9cPKcPzR2R16lZv:oDR+u8pfjYMMWNvdhUSByFPz/v

Score

10^/10

gh0strat purplefox discovery rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 14 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/3616-2-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral2/memory/3616-5-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral2/memory/3616-6-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral2/memory/3616-3-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral2/memory/904-14-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral2/memory/904-17-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral2/memory/2392-25-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral2/memory/2392-27-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral2/memory/904-24-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral2/memory/904-16-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral2/memory/904-13-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral2/memory/2392-30-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral2/memory/2392-33-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral2/memory/2392-35-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 14 IoCs

resource	yara_rule
behavioral2/memory/3616-2-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral2/memory/3616-5-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral2/memory/3616-6-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral2/memory/3616-3-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral2/memory/904-14-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral2/memory/904-17-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral2/memory/2392-25-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral2/memory/2392-27-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral2/memory/904-24-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral2/memory/904-16-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral2/memory/904-13-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral2/memory/2392-30-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral2/memory/2392-33-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral2/memory/2392-35-0x0000000010000000-0x00000000101D0000-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

Executes dropped EXE 2 IoCs

pid	Process
904	Vnfvn.exe
2392	Vnfvn.exe

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\E:	Vnfvn.exe
File opened (read-only)	\??\I:	Vnfvn.exe
File opened (read-only)	\??\L:	Vnfvn.exe
File opened (read-only)	\??\N:	Vnfvn.exe
File opened (read-only)	\??\T:	Vnfvn.exe
File opened (read-only)	\??\X:	Vnfvn.exe
File opened (read-only)	\??\B:	Vnfvn.exe
File opened (read-only)	\??\M:	Vnfvn.exe
File opened (read-only)	\??\R:	Vnfvn.exe
File opened (read-only)	\??\K:	Vnfvn.exe
File opened (read-only)	\??\H:	Vnfvn.exe
File opened (read-only)	\??\P:	Vnfvn.exe
File opened (read-only)	\??\U:	Vnfvn.exe
File opened (read-only)	\??\Y:	Vnfvn.exe
File opened (read-only)	\??\G:	Vnfvn.exe
File opened (read-only)	\??\O:	Vnfvn.exe
File opened (read-only)	\??\Q:	Vnfvn.exe
File opened (read-only)	\??\S:	Vnfvn.exe
File opened (read-only)	\??\V:	Vnfvn.exe
File opened (read-only)	\??\W:	Vnfvn.exe
File opened (read-only)	\??\Z:	Vnfvn.exe
File opened (read-only)	\??\J:	Vnfvn.exe

UPX packed file 16 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3616-2-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/3616-0-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/3616-5-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/3616-6-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/3616-3-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/904-11-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/904-14-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/904-17-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/2392-25-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/2392-27-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/904-24-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/904-16-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/904-13-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/2392-30-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/2392-33-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/2392-35-0x0000000010000000-0x00000000101D0000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Vnfvn.exe	0b786972cd7bd3a4df27d21b2544c1bfcd4d734dfa34d39d98d7395692f1bb74.exe
File opened for modification	C:\Program Files\Vnfvn.exe	0b786972cd7bd3a4df27d21b2544c1bfcd4d734dfa34d39d98d7395692f1bb74.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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	0b786972cd7bd3a4df27d21b2544c1bfcd4d734dfa34d39d98d7395692f1bb74.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Vnfvn.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	Vnfvn.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
524	cmd.exe
1308	PING.EXE

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Vnfvn.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	Vnfvn.exe

Modifies data under HKEY_USERS 6 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum	Vnfvn.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	Vnfvn.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	Vnfvn.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie	Vnfvn.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7"	Vnfvn.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\SuppressDisableCompositionUI = "0"	Vnfvn.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1308	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe
2392	Vnfvn.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3616	0b786972cd7bd3a4df27d21b2544c1bfcd4d734dfa34d39d98d7395692f1bb74.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3616 wrote to memory of 524	3616	0b786972cd7bd3a4df27d21b2544c1bfcd4d734dfa34d39d98d7395692f1bb74.exe	85
PID 3616 wrote to memory of 524	3616	0b786972cd7bd3a4df27d21b2544c1bfcd4d734dfa34d39d98d7395692f1bb74.exe	85
PID 3616 wrote to memory of 524	3616	0b786972cd7bd3a4df27d21b2544c1bfcd4d734dfa34d39d98d7395692f1bb74.exe	85
PID 904 wrote to memory of 2392	904	Vnfvn.exe	87
PID 904 wrote to memory of 2392	904	Vnfvn.exe	87
PID 904 wrote to memory of 2392	904	Vnfvn.exe	87
PID 524 wrote to memory of 1308	524	cmd.exe	88
PID 524 wrote to memory of 1308	524	cmd.exe	88
PID 524 wrote to memory of 1308	524	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\0b786972cd7bd3a4df27d21b2544c1bfcd4d734dfa34d39d98d7395692f1bb74.exe
"C:\Users\Admin\AppData\Local\Temp\0b786972cd7bd3a4df27d21b2544c1bfcd4d734dfa34d39d98d7395692f1bb74.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3616
- 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\0B7869~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:524
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 2 127.0.0.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:1308

C:\Program Files\Vnfvn.exe
"C:\\Program Files\\Vnfvn.exe" -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:904
- C:\Program Files\Vnfvn.exe
  "C:\Program Files\Vnfvn.exe" -acsi
  2⤵
  - Executes dropped EXE
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:2392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

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

Replay Monitor

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Downloads

C:\Program Files\Vnfvn.exe

Filesize
491KB

MD5
d68f6f86bc69b05a97dfdd98114799cf

SHA1
50bc8058c7ee34ab6609a0773b43569e9f5b4eb5

SHA256
0b786972cd7bd3a4df27d21b2544c1bfcd4d734dfa34d39d98d7395692f1bb74

SHA512
f38ac8e4a3213c1e9caba19878aad7e9eb384959b1b1e353144bf2a7797609e8ae632d626234f97c898b6c72d63c6c372f477b54fb84c573dedff3bd1ccfb3e0

Download Submit
memory/904-16-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/904-24-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/904-13-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/904-17-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/904-14-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/904-11-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/2392-25-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/2392-27-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/2392-30-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/2392-33-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/2392-35-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/3616-5-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/3616-0-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/3616-3-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/3616-2-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/3616-6-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download