gh0strat | eb47465642f01121fa03c440ce98293bacf3ce64ee0da698747c60d4a1ed4dfe

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
06/11/2023, 06:46

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General

Target

eb47465642f01121fa03c440ce98293bacf3ce64ee0da698747c60d4a1ed4dfe.exe
Size

1.3MB
MD5

01cc3ce57f27ca398df9691327eb553f
SHA1

1be5352d04ff77ad5aea5718c3297d15c999be75
SHA256

eb47465642f01121fa03c440ce98293bacf3ce64ee0da698747c60d4a1ed4dfe
SHA512

9b0f56ebf09d76a7693c48bacf08351975a14e4256fed95aacd0c95dec8dc5b1c14288b258c2a2391adec6983ea39d2a7a8d7a020a7af0b452e4de7aef5d7203
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNS:QHPkVOBTK

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 2 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/3136-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/4800-10-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral2/memory/3136-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/4800-10-0x0000000010000000-0x000000001019F000-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

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

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

Executes dropped EXE 2 IoCs

pid	Process
4800	sainbox.exe
4228	sainbox.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)	\??\J:	sainbox.exe
File opened (read-only)	\??\Q:	sainbox.exe
File opened (read-only)	\??\T:	sainbox.exe
File opened (read-only)	\??\Y:	sainbox.exe
File opened (read-only)	\??\M:	sainbox.exe
File opened (read-only)	\??\P:	sainbox.exe
File opened (read-only)	\??\W:	sainbox.exe
File opened (read-only)	\??\R:	sainbox.exe
File opened (read-only)	\??\X:	sainbox.exe
File opened (read-only)	\??\B:	sainbox.exe
File opened (read-only)	\??\E:	sainbox.exe
File opened (read-only)	\??\G:	sainbox.exe
File opened (read-only)	\??\H:	sainbox.exe
File opened (read-only)	\??\N:	sainbox.exe
File opened (read-only)	\??\U:	sainbox.exe
File opened (read-only)	\??\V:	sainbox.exe
File opened (read-only)	\??\Z:	sainbox.exe
File opened (read-only)	\??\I:	sainbox.exe
File opened (read-only)	\??\K:	sainbox.exe
File opened (read-only)	\??\L:	sainbox.exe
File opened (read-only)	\??\O:	sainbox.exe
File opened (read-only)	\??\S:	sainbox.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\sainbox.exe	eb47465642f01121fa03c440ce98293bacf3ce64ee0da698747c60d4a1ed4dfe.exe
File opened for modification	C:\Windows\SysWOW64\sainbox.exe	eb47465642f01121fa03c440ce98293bacf3ce64ee0da698747c60d4a1ed4dfe.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	sainbox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	sainbox.exe

Modifies data under HKEY_USERS 8 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum	sainbox.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	sainbox.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	sainbox.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie	sainbox.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7"	sainbox.exe
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

pid	Process
548	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe
4228	sainbox.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4228	sainbox.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3136	eb47465642f01121fa03c440ce98293bacf3ce64ee0da698747c60d4a1ed4dfe.exe
Token: SeLoadDriverPrivilege	4228	sainbox.exe
Token: 33	4228	sainbox.exe
Token: SeIncBasePriorityPrivilege	4228	sainbox.exe
Token: 33	4228	sainbox.exe
Token: SeIncBasePriorityPrivilege	4228	sainbox.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3136 wrote to memory of 4816	3136	eb47465642f01121fa03c440ce98293bacf3ce64ee0da698747c60d4a1ed4dfe.exe	94
PID 3136 wrote to memory of 4816	3136	eb47465642f01121fa03c440ce98293bacf3ce64ee0da698747c60d4a1ed4dfe.exe	94
PID 3136 wrote to memory of 4816	3136	eb47465642f01121fa03c440ce98293bacf3ce64ee0da698747c60d4a1ed4dfe.exe	94
PID 4800 wrote to memory of 4228	4800	sainbox.exe	96
PID 4800 wrote to memory of 4228	4800	sainbox.exe	96
PID 4800 wrote to memory of 4228	4800	sainbox.exe	96
PID 4816 wrote to memory of 548	4816	cmd.exe	97
PID 4816 wrote to memory of 548	4816	cmd.exe	97
PID 4816 wrote to memory of 548	4816	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\eb47465642f01121fa03c440ce98293bacf3ce64ee0da698747c60d4a1ed4dfe.exe
"C:\Users\Admin\AppData\Local\Temp\eb47465642f01121fa03c440ce98293bacf3ce64ee0da698747c60d4a1ed4dfe.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3136
- 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\EB4746~1.EXE > nul
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4816
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 2 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:548

C:\Windows\SysWOW64\sainbox.exe
C:\Windows\SysWOW64\sainbox.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4800
- 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
  - Enumerates connected drives
  - Checks processor information in registry
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:4228

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\sainbox.exe

Filesize
1.3MB

MD5
01cc3ce57f27ca398df9691327eb553f

SHA1
1be5352d04ff77ad5aea5718c3297d15c999be75

SHA256
eb47465642f01121fa03c440ce98293bacf3ce64ee0da698747c60d4a1ed4dfe

SHA512
9b0f56ebf09d76a7693c48bacf08351975a14e4256fed95aacd0c95dec8dc5b1c14288b258c2a2391adec6983ea39d2a7a8d7a020a7af0b452e4de7aef5d7203

Download Submit
C:\Windows\SysWOW64\sainbox.exe

Filesize
1.3MB

MD5
01cc3ce57f27ca398df9691327eb553f

SHA1
1be5352d04ff77ad5aea5718c3297d15c999be75

SHA256
eb47465642f01121fa03c440ce98293bacf3ce64ee0da698747c60d4a1ed4dfe

SHA512
9b0f56ebf09d76a7693c48bacf08351975a14e4256fed95aacd0c95dec8dc5b1c14288b258c2a2391adec6983ea39d2a7a8d7a020a7af0b452e4de7aef5d7203

Download Submit
C:\Windows\SysWOW64\sainbox.exe

Filesize
1.3MB

MD5
01cc3ce57f27ca398df9691327eb553f

SHA1
1be5352d04ff77ad5aea5718c3297d15c999be75

SHA256
eb47465642f01121fa03c440ce98293bacf3ce64ee0da698747c60d4a1ed4dfe

SHA512
9b0f56ebf09d76a7693c48bacf08351975a14e4256fed95aacd0c95dec8dc5b1c14288b258c2a2391adec6983ea39d2a7a8d7a020a7af0b452e4de7aef5d7203

Download Submit
memory/3136-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/4800-10-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download