gh0strat | 00b57329744649f570fd09c77ecf182dd8e550e31c6adc1db6c3284b285b15c3

General

Target

00b57329744649f570fd09c77ecf182dd8e550e31c6adc1db6c3284b285b15c3.exe
Size

1.3MB
MD5

984da3b9dbf5dacd517542539b3e53a4
SHA1

3d918a8a0217be25a7d971d0832b1434f19c5e19
SHA256

00b57329744649f570fd09c77ecf182dd8e550e31c6adc1db6c3284b285b15c3
SHA512

7ece78535ae1fd444269f89887dd6db8a2555751033ec16153c5b925b6eb237cfc3f74bf7188c84e925b49e964edba5d35c42aac748452d2680ce99e1c5bab76
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNE:QHPkVOBTK

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 2 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/4000-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/1460-10-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4000-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/1460-10-0x0000000010000000-0x000000001019F000-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
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Drops file in Drivers directory 1 IoCs

Processes:

sainbox.exe

description ioc process

File created C:\Windows\system32\drivers\QAssist.sys sainbox.exe
Sets service image path in registry 2 TTPs 1 IoCs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Processes:

sainbox.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" sainbox.exe
Executes dropped EXE 2 IoCs

Processes:

sainbox.exesainbox.exe

pid process

1460 sainbox.exe
3844 sainbox.exe

description	ioc	process
File created	C:\Windows\system32\drivers\QAssist.sys	sainbox.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	sainbox.exe

pid	process
1460	sainbox.exe
3844	sainbox.exe

Drops file in System32 directory 2 IoCs

Processes:

00b57329744649f570fd09c77ecf182dd8e550e31c6adc1db6c3284b285b15c3.exe

description	ioc	process
File created	C:\Windows\SysWOW64\sainbox.exe	00b57329744649f570fd09c77ecf182dd8e550e31c6adc1db6c3284b285b15c3.exe
File opened for modification	C:\Windows\SysWOW64\sainbox.exe	00b57329744649f570fd09c77ecf182dd8e550e31c6adc1db6c3284b285b15c3.exe

Modifies data under HKEY_USERS 3 IoCs

Processes:

sainbox.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	sainbox.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	sainbox.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	sainbox.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2060 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

sainbox.exe

pid process

3844 sainbox.exe

pid	process
2060	PING.EXE

pid	process
3844	sainbox.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

00b57329744649f570fd09c77ecf182dd8e550e31c6adc1db6c3284b285b15c3.exesainbox.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4000	00b57329744649f570fd09c77ecf182dd8e550e31c6adc1db6c3284b285b15c3.exe
Token: SeLoadDriverPrivilege	3844	sainbox.exe
Token: 33	3844	sainbox.exe
Token: SeIncBasePriorityPrivilege	3844	sainbox.exe
Token: 33	3844	sainbox.exe
Token: SeIncBasePriorityPrivilege	3844	sainbox.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

00b57329744649f570fd09c77ecf182dd8e550e31c6adc1db6c3284b285b15c3.exesainbox.execmd.exe

description	pid	process	target process
PID 4000 wrote to memory of 1444	4000	00b57329744649f570fd09c77ecf182dd8e550e31c6adc1db6c3284b285b15c3.exe	cmd.exe
PID 4000 wrote to memory of 1444	4000	00b57329744649f570fd09c77ecf182dd8e550e31c6adc1db6c3284b285b15c3.exe	cmd.exe
PID 4000 wrote to memory of 1444	4000	00b57329744649f570fd09c77ecf182dd8e550e31c6adc1db6c3284b285b15c3.exe	cmd.exe
PID 1460 wrote to memory of 3844	1460	sainbox.exe	sainbox.exe
PID 1460 wrote to memory of 3844	1460	sainbox.exe	sainbox.exe
PID 1460 wrote to memory of 3844	1460	sainbox.exe	sainbox.exe
PID 1444 wrote to memory of 2060	1444	cmd.exe	PING.EXE
PID 1444 wrote to memory of 2060	1444	cmd.exe	PING.EXE
PID 1444 wrote to memory of 2060	1444	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\00b57329744649f570fd09c77ecf182dd8e550e31c6adc1db6c3284b285b15c3.exe
"C:\Users\Admin\AppData\Local\Temp\00b57329744649f570fd09c77ecf182dd8e550e31c6adc1db6c3284b285b15c3.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4000

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\00B573~1.EXE > nul
2⤵
- Suspicious use of WriteProcessMemory
PID:1444

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
3⤵
- Runs ping.exe
PID:2060

C:\Windows\SysWOW64\sainbox.exe
C:\Windows\SysWOW64\sainbox.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1460

C:\Windows\SysWOW64\sainbox.exe
C:\Windows\SysWOW64\sainbox.exe -acsi
2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- Modifies data under HKEY_USERS
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:3844

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1036 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8
1⤵
PID:3424

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\sainbox.exe
Filesize
1.3MB

MD5
984da3b9dbf5dacd517542539b3e53a4

SHA1
3d918a8a0217be25a7d971d0832b1434f19c5e19

SHA256
00b57329744649f570fd09c77ecf182dd8e550e31c6adc1db6c3284b285b15c3

SHA512
7ece78535ae1fd444269f89887dd6db8a2555751033ec16153c5b925b6eb237cfc3f74bf7188c84e925b49e964edba5d35c42aac748452d2680ce99e1c5bab76

Download Submit
memory/1460-10-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/4000-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads