gh0strat | b20f56e2c8b3a9add43044c4f4a81a0a4e018ec98255d9328fa47f35807c65c3

Analysis

max time kernel
94s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01-10-2024 20:15

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b20f56e2c8b3a9add43044c4f4a81a0a4e018ec98255d9328fa47f35807c65c3N.exe
Size

2.7MB
MD5

7fe999951177018ba949286e2f461710
SHA1

bb9e9ff1cc65661c7d4f0dfa4475a3db57665c74
SHA256

b20f56e2c8b3a9add43044c4f4a81a0a4e018ec98255d9328fa47f35807c65c3
SHA512

235e3e857c2c6cc6ec4be25595e0d022948beb9124a99e4c2488a43c27f8fd78289fcaafa686f249555f563ed1a0c480582a0ecbcdd49fd7aac04f1db37db1bb
SSDEEP

49152:S1vqjdPQ/2rTIegav9spLz5hsEP/lSEOqyRsKrldFJgOiDun31YS9KN:S1vqj4MVgKsxzkZsKhdspi3v9m

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/5020-8-0x0000000010000000-0x0000000010199000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral2/memory/5020-8-0x0000000010000000-0x0000000010199000-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

Executes dropped EXE 1 IoCs

pid	Process
5020	xqxin.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)	\??\H:	xqxin.exe
File opened (read-only)	\??\U:	xqxin.exe
File opened (read-only)	\??\I:	xqxin.exe
File opened (read-only)	\??\K:	xqxin.exe
File opened (read-only)	\??\E:	xqxin.exe
File opened (read-only)	\??\J:	xqxin.exe
File opened (read-only)	\??\L:	xqxin.exe
File opened (read-only)	\??\N:	xqxin.exe
File opened (read-only)	\??\W:	xqxin.exe
File opened (read-only)	\??\X:	xqxin.exe
File opened (read-only)	\??\B:	xqxin.exe
File opened (read-only)	\??\G:	xqxin.exe
File opened (read-only)	\??\M:	xqxin.exe
File opened (read-only)	\??\O:	xqxin.exe
File opened (read-only)	\??\P:	xqxin.exe
File opened (read-only)	\??\Q:	xqxin.exe
File opened (read-only)	\??\R:	xqxin.exe
File opened (read-only)	\??\S:	xqxin.exe
File opened (read-only)	\??\T:	xqxin.exe
File opened (read-only)	\??\V:	xqxin.exe
File opened (read-only)	\??\Y:	xqxin.exe
File opened (read-only)	\??\Z:	xqxin.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\xinxq\xqxin.exe	b20f56e2c8b3a9add43044c4f4a81a0a4e018ec98255d9328fa47f35807c65c3N.exe
File created	C:\Windows\SysWOW64\xinxq\xqxin.exe	b20f56e2c8b3a9add43044c4f4a81a0a4e018ec98255d9328fa47f35807c65c3N.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 2 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	b20f56e2c8b3a9add43044c4f4a81a0a4e018ec98255d9328fa47f35807c65c3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xqxin.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	xqxin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	xqxin.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3624	b20f56e2c8b3a9add43044c4f4a81a0a4e018ec98255d9328fa47f35807c65c3N.exe
3624	b20f56e2c8b3a9add43044c4f4a81a0a4e018ec98255d9328fa47f35807c65c3N.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe
5020	xqxin.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5020	xqxin.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3624 wrote to memory of 5020	3624	b20f56e2c8b3a9add43044c4f4a81a0a4e018ec98255d9328fa47f35807c65c3N.exe	83
PID 3624 wrote to memory of 5020	3624	b20f56e2c8b3a9add43044c4f4a81a0a4e018ec98255d9328fa47f35807c65c3N.exe	83
PID 3624 wrote to memory of 5020	3624	b20f56e2c8b3a9add43044c4f4a81a0a4e018ec98255d9328fa47f35807c65c3N.exe	83

C:\Users\Admin\AppData\Local\Temp\b20f56e2c8b3a9add43044c4f4a81a0a4e018ec98255d9328fa47f35807c65c3N.exe
"C:\Users\Admin\AppData\Local\Temp\b20f56e2c8b3a9add43044c4f4a81a0a4e018ec98255d9328fa47f35807c65c3N.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3624
- C:\Windows\SysWOW64\xinxq\xqxin.exe
  "C:\Windows\SysWOW64\xinxq\xqxin.exe"
  2⤵
  - Executes dropped EXE
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:5020

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

C:\Windows\SysWOW64\xinxq\xqxin.exe

Filesize
3.5MB

MD5
4d51bc7fc9e839448763421cf088ecb2

SHA1
f0de15a37b53ba3d6799fc0324fdc18ba7823d00

SHA256
5cf4afd8f268fa96d9e4e997b3377aea6690ec5b5ebca165cd1897691c3882d4

SHA512
680437d10ea4544e12e6b366fd09704134e711391db6ff421bd2c2964022e949fe9c60441ecea4733a824c73a7142648a6c9baf41de37813f94ef770d491745d

Download Submit
memory/5020-8-0x0000000010000000-0x0000000010199000-memory.dmp

Filesize
1.6MB

Download