gh0strat | 04738ad4a5fe4cf63954f647ad51044403463381f0d6437e005206df4335587c

General

Target

04738ad4a5fe4cf63954f647ad51044403463381f0d6437e005206df4335587c.exe
Size

1.3MB
MD5

3a8566337e88da0c7e35d9104c723f1b
SHA1

a8b54a63f4a8166b50c420569d89fe7eb22381e2
SHA256

04738ad4a5fe4cf63954f647ad51044403463381f0d6437e005206df4335587c
SHA512

898ece4fd45f1b4e65d52c9cedf13cc980a7550e08c33c4c78bcfea71ad7227075b613874c4ca5037eb5f71171e177d21e5cd2a8411a5cab44fde6912497899a
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMN3: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/2312-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/2240-10-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/2564-17-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/2312-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/2240-10-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/2564-17-0x0000000010000000-0x000000001019F000-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
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
2240	sainbox.exe
2564	sainbox.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\sainbox.exe	04738ad4a5fe4cf63954f647ad51044403463381f0d6437e005206df4335587c.exe
File opened for modification	C:\Windows\SysWOW64\sainbox.exe	04738ad4a5fe4cf63954f647ad51044403463381f0d6437e005206df4335587c.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	04738ad4a5fe4cf63954f647ad51044403463381f0d6437e005206df4335587c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sainbox.exe
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	sainbox.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
3472	cmd.exe
1332	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1332	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2564	sainbox.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2312	04738ad4a5fe4cf63954f647ad51044403463381f0d6437e005206df4335587c.exe
Token: SeLoadDriverPrivilege	2564	sainbox.exe
Token: 33	2564	sainbox.exe
Token: SeIncBasePriorityPrivilege	2564	sainbox.exe
Token: 33	2564	sainbox.exe
Token: SeIncBasePriorityPrivilege	2564	sainbox.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 3472	2312	04738ad4a5fe4cf63954f647ad51044403463381f0d6437e005206df4335587c.exe	88
PID 2312 wrote to memory of 3472	2312	04738ad4a5fe4cf63954f647ad51044403463381f0d6437e005206df4335587c.exe	88
PID 2312 wrote to memory of 3472	2312	04738ad4a5fe4cf63954f647ad51044403463381f0d6437e005206df4335587c.exe	88
PID 2240 wrote to memory of 2564	2240	sainbox.exe	89
PID 2240 wrote to memory of 2564	2240	sainbox.exe	89
PID 2240 wrote to memory of 2564	2240	sainbox.exe	89
PID 3472 wrote to memory of 1332	3472	cmd.exe	92
PID 3472 wrote to memory of 1332	3472	cmd.exe	92
PID 3472 wrote to memory of 1332	3472	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\04738ad4a5fe4cf63954f647ad51044403463381f0d6437e005206df4335587c.exe
"C:\Users\Admin\AppData\Local\Temp\04738ad4a5fe4cf63954f647ad51044403463381f0d6437e005206df4335587c.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2312
- 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\04738A~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3472
- - 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:1332

C:\Windows\SysWOW64\sainbox.exe
C:\Windows\SysWOW64\sainbox.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2240
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:2564

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\sainbox.exe

Filesize
1.3MB

MD5
3a8566337e88da0c7e35d9104c723f1b

SHA1
a8b54a63f4a8166b50c420569d89fe7eb22381e2

SHA256
04738ad4a5fe4cf63954f647ad51044403463381f0d6437e005206df4335587c

SHA512
898ece4fd45f1b4e65d52c9cedf13cc980a7550e08c33c4c78bcfea71ad7227075b613874c4ca5037eb5f71171e177d21e5cd2a8411a5cab44fde6912497899a

Download Submit
memory/2240-10-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/2312-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/2564-17-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads