gh0strat | 4b06464a9af8e1ec4a5cf10182b3a1f6e18b8c1464634c6f1102ed19489d1305

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-09-2024 19:22

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

d237f83486161574230fd9de77060230N.dll
Size

437KB
MD5

d237f83486161574230fd9de77060230
SHA1

f0426266005c9677b2b721d5ef35efd4fb5aacf1
SHA256

4b06464a9af8e1ec4a5cf10182b3a1f6e18b8c1464634c6f1102ed19489d1305
SHA512

316f2848748e7ad4a71ec7b7b1e3e3650106ab778250b7d7784029c60aebdd350d7fcd2f0af2e3517bd1557f0794885713757bb735f8f4ca68b4c34191d47206
SSDEEP

6144:bas0ZLc/IJvCklIqA8mvHwgnHJp9OWqw7zsK0bencTpX4KtjY5Jt/lt0zwzOu6WS:gBFJqk2q1g5ppemr0bAKoNfnQCSWpoSI

Score

10^/10

gh0strat purplefox discovery rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 3 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/948-35-0x0000000010000000-0x00000000101A0000-memory.dmp	purplefox_rootkit
behavioral1/memory/948-37-0x0000000010000000-0x00000000101A0000-memory.dmp	purplefox_rootkit
behavioral1/memory/616-59-0x00000000756D0000-0x00000000757E0000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/memory/948-35-0x0000000010000000-0x00000000101A0000-memory.dmp	family_gh0strat
behavioral1/memory/948-37-0x0000000010000000-0x00000000101A0000-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

Suspicious use of NtCreateUserProcessOtherParentProcess 3 IoCs

description	pid	Process	procid_target
PID 1652 created 428	1652	rundll32.exe	5
PID 1652 created 428	1652	rundll32.exe	5
PID 1652 created 428	1652	rundll32.exe	5

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1652-3-0x0000000010000000-0x00000000100A6000-memory.dmp	upx
behavioral1/memory/1652-2-0x0000000010000000-0x00000000100A6000-memory.dmp	upx
behavioral1/memory/1652-1-0x0000000010000000-0x00000000100A6000-memory.dmp	upx
behavioral1/memory/616-8-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/616-6-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/616-18-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/616-15-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/616-19-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/616-10-0x0000000000400000-0x0000000000543000-memory.dmp	upx

Enumerates connected drives 3 TTPs 44 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)	\??\M:	svchost.exe
File opened (read-only)	\??\Y:	svchost.exe
File opened (read-only)	\??\B:	svchost.exe
File opened (read-only)	\??\N:	svchost.exe
File opened (read-only)	\??\P:	svchost.exe
File opened (read-only)	\??\R:	svchost.exe
File opened (read-only)	\??\U:	svchost.exe
File opened (read-only)	\??\G:	svchost.exe
File opened (read-only)	\??\P:	svchost.exe
File opened (read-only)	\??\S:	svchost.exe
File opened (read-only)	\??\G:	svchost.exe
File opened (read-only)	\??\H:	svchost.exe
File opened (read-only)	\??\K:	svchost.exe
File opened (read-only)	\??\O:	svchost.exe
File opened (read-only)	\??\Q:	svchost.exe
File opened (read-only)	\??\E:	svchost.exe
File opened (read-only)	\??\H:	svchost.exe
File opened (read-only)	\??\N:	svchost.exe
File opened (read-only)	\??\Q:	svchost.exe
File opened (read-only)	\??\U:	svchost.exe
File opened (read-only)	\??\X:	svchost.exe
File opened (read-only)	\??\E:	svchost.exe
File opened (read-only)	\??\K:	svchost.exe
File opened (read-only)	\??\O:	svchost.exe
File opened (read-only)	\??\V:	svchost.exe
File opened (read-only)	\??\J:	svchost.exe
File opened (read-only)	\??\B:	svchost.exe
File opened (read-only)	\??\W:	svchost.exe
File opened (read-only)	\??\S:	svchost.exe
File opened (read-only)	\??\M:	svchost.exe
File opened (read-only)	\??\V:	svchost.exe
File opened (read-only)	\??\W:	svchost.exe
File opened (read-only)	\??\X:	svchost.exe
File opened (read-only)	\??\Y:	svchost.exe
File opened (read-only)	\??\I:	svchost.exe
File opened (read-only)	\??\J:	svchost.exe
File opened (read-only)	\??\T:	svchost.exe
File opened (read-only)	\??\I:	svchost.exe
File opened (read-only)	\??\L:	svchost.exe
File opened (read-only)	\??\L:	svchost.exe
File opened (read-only)	\??\R:	svchost.exe
File opened (read-only)	\??\Z:	svchost.exe
File opened (read-only)	\??\T:	svchost.exe
File opened (read-only)	\??\Z:	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1652 set thread context of 616	1652	rundll32.exe	32
PID 1652 set thread context of 948	1652	rundll32.exe	33

System Location Discovery: System Language Discovery 1 TTPs 3 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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Checks processor information in registry 2 TTPs 4 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	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe

Modifies data under HKEY_USERS 17 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	svchost.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum\Version = "7"	svchost.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	svchost.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000003000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1652	rundll32.exe
1652	rundll32.exe
948	svchost.exe
948	svchost.exe
948	svchost.exe
948	svchost.exe
948	svchost.exe
948	svchost.exe
948	svchost.exe
948	svchost.exe
948	svchost.exe
948	svchost.exe
948	svchost.exe
948	svchost.exe
948	svchost.exe
948	svchost.exe
948	svchost.exe
948	svchost.exe
948	svchost.exe
948	svchost.exe
948	svchost.exe
948	svchost.exe
948	svchost.exe
948	svchost.exe
948	svchost.exe
948	svchost.exe
948	svchost.exe
948	svchost.exe
948	svchost.exe
948	svchost.exe
948	svchost.exe
948	svchost.exe
948	svchost.exe
948	svchost.exe
948	svchost.exe
616	svchost.exe
616	svchost.exe
616	svchost.exe
616	svchost.exe
616	svchost.exe
616	svchost.exe
616	svchost.exe
616	svchost.exe
616	svchost.exe
616	svchost.exe
616	svchost.exe
616	svchost.exe
616	svchost.exe
616	svchost.exe
616	svchost.exe
616	svchost.exe
616	svchost.exe
616	svchost.exe
616	svchost.exe
616	svchost.exe
616	svchost.exe
616	svchost.exe
616	svchost.exe
616	svchost.exe
616	svchost.exe
616	svchost.exe
616	svchost.exe
616	svchost.exe
616	svchost.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	1652	rundll32.exe
Token: SeDebugPrivilege	1652	rundll32.exe
Token: SeDebugPrivilege	1652	rundll32.exe
Token: 33	948	svchost.exe
Token: SeIncBasePriorityPrivilege	948	svchost.exe
Token: 33	616	svchost.exe
Token: SeIncBasePriorityPrivilege	616	svchost.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2224 wrote to memory of 1652	2224	rundll32.exe	30
PID 2224 wrote to memory of 1652	2224	rundll32.exe	30
PID 2224 wrote to memory of 1652	2224	rundll32.exe	30
PID 2224 wrote to memory of 1652	2224	rundll32.exe	30
PID 2224 wrote to memory of 1652	2224	rundll32.exe	30
PID 2224 wrote to memory of 1652	2224	rundll32.exe	30
PID 2224 wrote to memory of 1652	2224	rundll32.exe	30
PID 1652 wrote to memory of 2504	1652	rundll32.exe	31
PID 1652 wrote to memory of 2504	1652	rundll32.exe	31
PID 1652 wrote to memory of 2504	1652	rundll32.exe	31
PID 1652 wrote to memory of 2504	1652	rundll32.exe	31
PID 1652 wrote to memory of 616	1652	rundll32.exe	32
PID 1652 wrote to memory of 616	1652	rundll32.exe	32
PID 1652 wrote to memory of 616	1652	rundll32.exe	32
PID 1652 wrote to memory of 616	1652	rundll32.exe	32
PID 1652 wrote to memory of 616	1652	rundll32.exe	32
PID 1652 wrote to memory of 616	1652	rundll32.exe	32
PID 1652 wrote to memory of 616	1652	rundll32.exe	32
PID 1652 wrote to memory of 616	1652	rundll32.exe	32
PID 1652 wrote to memory of 948	1652	rundll32.exe	33
PID 1652 wrote to memory of 948	1652	rundll32.exe	33
PID 1652 wrote to memory of 948	1652	rundll32.exe	33
PID 1652 wrote to memory of 948	1652	rundll32.exe	33
PID 1652 wrote to memory of 948	1652	rundll32.exe	33
PID 1652 wrote to memory of 948	1652	rundll32.exe	33
PID 1652 wrote to memory of 948	1652	rundll32.exe	33
PID 1652 wrote to memory of 948	1652	rundll32.exe	33

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:428
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted
  2⤵
  PID:2504
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted
  2⤵
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:616
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted
  2⤵
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:948

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d237f83486161574230fd9de77060230N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2224
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d237f83486161574230fd9de77060230N.dll,#1
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1652

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/616-19-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/616-8-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/616-69-0x00000000756D0000-0x00000000757E0000-memory.dmp

Filesize
1.1MB

Download
memory/616-59-0x00000000756D0000-0x00000000757E0000-memory.dmp

Filesize
1.1MB

Download
memory/616-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/616-6-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/616-18-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/616-10-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/616-4-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/616-15-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/948-36-0x00000000756FE000-0x00000000756FF000-memory.dmp

Filesize
4KB

Download
memory/948-35-0x0000000010000000-0x00000000101A0000-memory.dmp

Filesize
1.6MB

Download
memory/948-37-0x0000000010000000-0x00000000101A0000-memory.dmp

Filesize
1.6MB

Download
memory/1652-3-0x0000000010000000-0x00000000100A6000-memory.dmp

Filesize
664KB

Download
memory/1652-2-0x0000000010000000-0x00000000100A6000-memory.dmp

Filesize
664KB

Download
memory/1652-1-0x0000000010000000-0x00000000100A6000-memory.dmp

Filesize
664KB

Download
memory/1652-0-0x0000000010000000-0x00000000100A6000-memory.dmp

Filesize
664KB

Download