gh0strat | 528d93077ba38ae57ae558a9d51db10a30a99e67e29730c8cb83fb79573be78e

General

Target

528d93077ba38ae57ae558a9d51db10a30a99e67e29730c8cb83fb79573be78e.exe
Size

1.3MB
MD5

b9dd9b384f2b63c5e33e37148af52f25
SHA1

fd0ae5bb971c25323253f1ab04aeb20b9e19a29c
SHA256

528d93077ba38ae57ae558a9d51db10a30a99e67e29730c8cb83fb79573be78e
SHA512

aff539c33db917aad0701a1526c2459e79e9138481f9704fe3bf338a179d6ff9cc79a2b09630c804e96d79ca8322df6a88b0cf002319e3c4c2bcdde9c5dad05b
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNn:QHPkVOBTK

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 3 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/432-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/2152-10-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/3416-17-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/432-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/2152-10-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/3416-17-0x0000000010000000-0x000000001019F000-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	´°¿ÚÍ¬²½Æ÷

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"	´°¿ÚÍ¬²½Æ÷

Executes dropped EXE 2 IoCs

pid	Process
2152	´°¿ÚÍ¬²½Æ÷
3416	´°¿ÚÍ¬²½Æ÷

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\´°¿ÚÍ¬²½Æ÷	528d93077ba38ae57ae558a9d51db10a30a99e67e29730c8cb83fb79573be78e.exe
File opened for modification	C:\Windows\SysWOW64\´°¿ÚÍ¬²½Æ÷	528d93077ba38ae57ae558a9d51db10a30a99e67e29730c8cb83fb79573be78e.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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	´°¿ÚÍ¬²½Æ÷
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	´°¿ÚÍ¬²½Æ÷
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	528d93077ba38ae57ae558a9d51db10a30a99e67e29730c8cb83fb79573be78e.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
3888	PING.EXE
1304	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3888	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3416	´°¿ÚÍ¬²½Æ÷

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	432	528d93077ba38ae57ae558a9d51db10a30a99e67e29730c8cb83fb79573be78e.exe
Token: SeLoadDriverPrivilege	3416	´°¿ÚÍ¬²½Æ÷
Token: 33	3416	´°¿ÚÍ¬²½Æ÷
Token: SeIncBasePriorityPrivilege	3416	´°¿ÚÍ¬²½Æ÷
Token: 33	3416	´°¿ÚÍ¬²½Æ÷
Token: SeIncBasePriorityPrivilege	3416	´°¿ÚÍ¬²½Æ÷

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 432 wrote to memory of 1304	432	528d93077ba38ae57ae558a9d51db10a30a99e67e29730c8cb83fb79573be78e.exe	84
PID 432 wrote to memory of 1304	432	528d93077ba38ae57ae558a9d51db10a30a99e67e29730c8cb83fb79573be78e.exe	84
PID 432 wrote to memory of 1304	432	528d93077ba38ae57ae558a9d51db10a30a99e67e29730c8cb83fb79573be78e.exe	84
PID 2152 wrote to memory of 3416	2152	´°¿ÚÍ¬²½Æ÷	85
PID 2152 wrote to memory of 3416	2152	´°¿ÚÍ¬²½Æ÷	85
PID 2152 wrote to memory of 3416	2152	´°¿ÚÍ¬²½Æ÷	85
PID 1304 wrote to memory of 3888	1304	cmd.exe	87
PID 1304 wrote to memory of 3888	1304	cmd.exe	87
PID 1304 wrote to memory of 3888	1304	cmd.exe	87

C:\Users\Admin\AppData\Local\Temp\528d93077ba38ae57ae558a9d51db10a30a99e67e29730c8cb83fb79573be78e.exe
"C:\Users\Admin\AppData\Local\Temp\528d93077ba38ae57ae558a9d51db10a30a99e67e29730c8cb83fb79573be78e.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:432
- 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\528D93~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1304
- - 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:3888

C:\Windows\SysWOW64\´°¿ÚÍ¬²½Æ÷
C:\Windows\SysWOW64\´°¿ÚÍ¬²½Æ÷ -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2152
- C:\Windows\SysWOW64\´°¿ÚÍ¬²½Æ÷
  C:\Windows\SysWOW64\´°¿ÚÍ¬²½Æ÷ -acsi
  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:3416

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

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:\Windows\SysWOW64\´°¿ÚÍ¬²½Æ÷

Filesize
1.3MB

MD5
b9dd9b384f2b63c5e33e37148af52f25

SHA1
fd0ae5bb971c25323253f1ab04aeb20b9e19a29c

SHA256
528d93077ba38ae57ae558a9d51db10a30a99e67e29730c8cb83fb79573be78e

SHA512
aff539c33db917aad0701a1526c2459e79e9138481f9704fe3bf338a179d6ff9cc79a2b09630c804e96d79ca8322df6a88b0cf002319e3c4c2bcdde9c5dad05b

Download Submit
memory/432-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/2152-10-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/3416-17-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads