gh0strat | 03c9e349282c833d3f60028dcace5f8f85655d73fc5d491d5dd6474aec71f7c7

General

Target

03c9e349282c833d3f60028dcace5f8f85655d73fc5d491d5dd6474aec71f7c7.exe
Size

1.4MB
MD5

5634ff19a99f4a5185ce48490ef679ad
SHA1

856fe34eac3f64d2bde77fa4b2e451dda249f8f3
SHA256

03c9e349282c833d3f60028dcace5f8f85655d73fc5d491d5dd6474aec71f7c7
SHA512

45f536e394b3f45cf88646c9119b0a470d4297c8149b3a55cf19bdc5d393d378e380920c98814905bf9a5cb5ce18a2e03aad7214f0a54367d3939c8bf4504bf0
SSDEEP

24576:F39WkOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNB:59qHPkVOBTKB

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 1 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/1940-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/memory/1940-0-0x0000000010000000-0x000000001019F000-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	Gwogw.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"	Gwogw.exe

Deletes itself 1 IoCs

pid	Process
1760	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2624	Gwogw.exe
2356	Gwogw.exe

Loads dropped DLL 1 IoCs

pid	Process
2624	Gwogw.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Gwogw.exe	03c9e349282c833d3f60028dcace5f8f85655d73fc5d491d5dd6474aec71f7c7.exe
File created	C:\Windows\SysWOW64\Gwogw.exe	03c9e349282c833d3f60028dcace5f8f85655d73fc5d491d5dd6474aec71f7c7.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	Gwogw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Gwogw.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	03c9e349282c833d3f60028dcace5f8f85655d73fc5d491d5dd6474aec71f7c7.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
1760	cmd.exe
2820	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2820	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2356	Gwogw.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1940	03c9e349282c833d3f60028dcace5f8f85655d73fc5d491d5dd6474aec71f7c7.exe
Token: SeLoadDriverPrivilege	2356	Gwogw.exe
Token: 33	2356	Gwogw.exe
Token: SeIncBasePriorityPrivilege	2356	Gwogw.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 1760	1940	03c9e349282c833d3f60028dcace5f8f85655d73fc5d491d5dd6474aec71f7c7.exe	32
PID 1940 wrote to memory of 1760	1940	03c9e349282c833d3f60028dcace5f8f85655d73fc5d491d5dd6474aec71f7c7.exe	32
PID 1940 wrote to memory of 1760	1940	03c9e349282c833d3f60028dcace5f8f85655d73fc5d491d5dd6474aec71f7c7.exe	32
PID 1940 wrote to memory of 1760	1940	03c9e349282c833d3f60028dcace5f8f85655d73fc5d491d5dd6474aec71f7c7.exe	32
PID 2624 wrote to memory of 2356	2624	Gwogw.exe	33
PID 2624 wrote to memory of 2356	2624	Gwogw.exe	33
PID 2624 wrote to memory of 2356	2624	Gwogw.exe	33
PID 2624 wrote to memory of 2356	2624	Gwogw.exe	33
PID 1760 wrote to memory of 2820	1760	cmd.exe	35
PID 1760 wrote to memory of 2820	1760	cmd.exe	35
PID 1760 wrote to memory of 2820	1760	cmd.exe	35
PID 1760 wrote to memory of 2820	1760	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\03c9e349282c833d3f60028dcace5f8f85655d73fc5d491d5dd6474aec71f7c7.exe
"C:\Users\Admin\AppData\Local\Temp\03c9e349282c833d3f60028dcace5f8f85655d73fc5d491d5dd6474aec71f7c7.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1940
- 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\03C9E3~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1760
- - 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:2820

C:\Windows\SysWOW64\Gwogw.exe
C:\Windows\SysWOW64\Gwogw.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2624
- C:\Windows\SysWOW64\Gwogw.exe
  C:\Windows\SysWOW64\Gwogw.exe -acsi
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:2356

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\Gwogw.exe

Filesize
1.4MB

MD5
5634ff19a99f4a5185ce48490ef679ad

SHA1
856fe34eac3f64d2bde77fa4b2e451dda249f8f3

SHA256
03c9e349282c833d3f60028dcace5f8f85655d73fc5d491d5dd6474aec71f7c7

SHA512
45f536e394b3f45cf88646c9119b0a470d4297c8149b3a55cf19bdc5d393d378e380920c98814905bf9a5cb5ce18a2e03aad7214f0a54367d3939c8bf4504bf0

Download Submit
memory/1940-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads