gh0strat | 8d28870afc570a9d6b5acde54701060c28639759ac8d998a1caeeb980c880e67

General

Target

8d28870afc570a9d6b5acde54701060c28639759ac8d998a1caeeb980c880e67.exe
Size

1.7MB
MD5

caf67a069417942f7dc464483fa221f3
SHA1

45ea4ac98f0df824a206be6560a15546d711ae07
SHA256

8d28870afc570a9d6b5acde54701060c28639759ac8d998a1caeeb980c880e67
SHA512

92287a706b29dd7778c979b0468f677c5c6b2645dbc073105687e668fa92ba7f044baaea9618c60226e9ac46a8e6a2a928f53dc415875d548b32dd7c41fddc2a
SSDEEP

12288:AfznAsTJY/1o26kw6BEVNsa4gOYKikqiCUDqgsX+QOpda8RUTMfgVSl54DeSWKVB:4TF6BA5+J/aQgVSlarWMWieUUR/K

Score

10^/10

gh0strat purplefox discovery rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 1 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/2476-0-0x0000000010000000-0x00000000101A6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral2/memory/2476-0-0x0000000010000000-0x00000000101A6000-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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation	8d28870afc570a9d6b5acde54701060c28639759ac8d998a1caeeb980c880e67.exe

Executes dropped EXE 1 IoCs

pid	Process
2608	svchost.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 4 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	8d28870afc570a9d6b5acde54701060c28639759ac8d998a1caeeb980c880e67.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.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
3732	cmd.exe
852	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
852	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2476	8d28870afc570a9d6b5acde54701060c28639759ac8d998a1caeeb980c880e67.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2476 wrote to memory of 2608	2476	8d28870afc570a9d6b5acde54701060c28639759ac8d998a1caeeb980c880e67.exe	87
PID 2476 wrote to memory of 2608	2476	8d28870afc570a9d6b5acde54701060c28639759ac8d998a1caeeb980c880e67.exe	87
PID 2476 wrote to memory of 2608	2476	8d28870afc570a9d6b5acde54701060c28639759ac8d998a1caeeb980c880e67.exe	87
PID 2476 wrote to memory of 3732	2476	8d28870afc570a9d6b5acde54701060c28639759ac8d998a1caeeb980c880e67.exe	88
PID 2476 wrote to memory of 3732	2476	8d28870afc570a9d6b5acde54701060c28639759ac8d998a1caeeb980c880e67.exe	88
PID 2476 wrote to memory of 3732	2476	8d28870afc570a9d6b5acde54701060c28639759ac8d998a1caeeb980c880e67.exe	88
PID 3732 wrote to memory of 852	3732	cmd.exe	90
PID 3732 wrote to memory of 852	3732	cmd.exe	90
PID 3732 wrote to memory of 852	3732	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\8d28870afc570a9d6b5acde54701060c28639759ac8d998a1caeeb980c880e67.exe
"C:\Users\Admin\AppData\Local\Temp\8d28870afc570a9d6b5acde54701060c28639759ac8d998a1caeeb980c880e67.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2476
- C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\svchost.exe
  "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\svchost.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2608
- 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\8D2887~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3732
- - 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:852

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

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

Replay Monitor

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Downloads

C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\svchost.exe

Filesize
1.7MB

MD5
caf67a069417942f7dc464483fa221f3

SHA1
45ea4ac98f0df824a206be6560a15546d711ae07

SHA256
8d28870afc570a9d6b5acde54701060c28639759ac8d998a1caeeb980c880e67

SHA512
92287a706b29dd7778c979b0468f677c5c6b2645dbc073105687e668fa92ba7f044baaea9618c60226e9ac46a8e6a2a928f53dc415875d548b32dd7c41fddc2a

Download Submit
memory/2476-0-0x0000000010000000-0x00000000101A6000-memory.dmp

Filesize
1.6MB

Download

Analysis

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