gh0strat | 232238d6fb0d8a7d7ca28a6d88e2819863b1567e601ad735740c24d438a03119

General

Target

232238d6fb0d8a7d7ca28a6d88e2819863b1567e601ad735740c24d438a03119.exe
Size

1.4MB
MD5

4ef5c70f5e2e27c7cb7897ac359e9640
SHA1

909d62471408c09bb31a059372caa6f93ab36eac
SHA256

232238d6fb0d8a7d7ca28a6d88e2819863b1567e601ad735740c24d438a03119
SHA512

a4da741c60c14b4880d3ac27df2faae41d6a8178a641ab1832efd1907516cc97e30ca98d3df0b0cfa3a5316a9fed809520eb7ef3d950b4777d197fb94b1f709a
SSDEEP

24576:UOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNuDyzwyzy9C:FHPkVOBTKYC

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 2 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/2324-1-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/1324-15-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral2/memory/2324-1-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/1324-15-0x0000000010000000-0x000000001019F000-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	1.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"	1.exe

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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	232238d6fb0d8a7d7ca28a6d88e2819863b1567e601ad735740c24d438a03119.exe

Executes dropped EXE 1 IoCs

pid	Process
1324	1.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	232238d6fb0d8a7d7ca28a6d88e2819863b1567e601ad735740c24d438a03119.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1.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
2572	cmd.exe
4940	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4940	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1324	1.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2324	232238d6fb0d8a7d7ca28a6d88e2819863b1567e601ad735740c24d438a03119.exe
Token: SeLoadDriverPrivilege	1324	1.exe
Token: 33	1324	1.exe
Token: SeIncBasePriorityPrivilege	1324	1.exe
Token: 33	1324	1.exe
Token: SeIncBasePriorityPrivilege	1324	1.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 1324	2324	232238d6fb0d8a7d7ca28a6d88e2819863b1567e601ad735740c24d438a03119.exe	82
PID 2324 wrote to memory of 1324	2324	232238d6fb0d8a7d7ca28a6d88e2819863b1567e601ad735740c24d438a03119.exe	82
PID 2324 wrote to memory of 1324	2324	232238d6fb0d8a7d7ca28a6d88e2819863b1567e601ad735740c24d438a03119.exe	82
PID 2324 wrote to memory of 2572	2324	232238d6fb0d8a7d7ca28a6d88e2819863b1567e601ad735740c24d438a03119.exe	83
PID 2324 wrote to memory of 2572	2324	232238d6fb0d8a7d7ca28a6d88e2819863b1567e601ad735740c24d438a03119.exe	83
PID 2324 wrote to memory of 2572	2324	232238d6fb0d8a7d7ca28a6d88e2819863b1567e601ad735740c24d438a03119.exe	83
PID 2572 wrote to memory of 4940	2572	cmd.exe	85
PID 2572 wrote to memory of 4940	2572	cmd.exe	85
PID 2572 wrote to memory of 4940	2572	cmd.exe	85

C:\Users\Admin\AppData\Local\Temp\232238d6fb0d8a7d7ca28a6d88e2819863b1567e601ad735740c24d438a03119.exe
"C:\Users\Admin\AppData\Local\Temp\232238d6fb0d8a7d7ca28a6d88e2819863b1567e601ad735740c24d438a03119.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2324
- C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\1.exe
  "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\1.exe"
  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:1324
- 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\232238~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2572
- - 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:4940

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

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

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Downloads

C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\1.exe

Filesize
16.4MB

MD5
fd93b61b110dcbca6a6e8943a945fcd5

SHA1
72dc5f28bb50a961a9b5a99e5cdc6725ba073be8

SHA256
b4a6ca9475eab9549ec66e2ea125d01149133247acec0f865b3736886e7149ab

SHA512
0e4f76b98ae0f2665bcb092ea3c174f9ac58e4eaf6fc0bf32676a3521e4284fbde31f1f8680c9151867dbc3b3755d5049661323df54d066a47eb4365aee33842

Download Submit
memory/1324-15-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/2324-1-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads