gh0strat | 877ae9b05c73f62202bb0f6212340f87a204d85966f9c2485f504b17e72ae8a5

General

Target
0960b57d257d6c76d84cf9d54577a7ba.exe
Size 97KB
Sample250804-yncvbst1az
SHA256 877ae9b05c73f62202bb0f6212340f87a204d85966f9c2485f504b17e72ae8a5
MD5 0960b57d257d6c76d84cf9d54577a7ba
SHA1 12be725938b31a77a47a7e19ad8124783b019764
SHA512 5d194c873225efa773ee83e55a7ae54fa8ac654d616dadaa0b798c91ecc52d6e8037ecd40352dfc0d5b586b365c65efd6fc7b3e59f06cfa9cc11520c4e83bc4f
SSDEEP 1536:ohDhKT2BUW5Umt8a53QmB4efDJlDoG0yJ9vUiT9I7pwfQex54:Y1UW5Umt8o3QmB4e7fDoG0a1TuwJ4
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 4 IoCs

resource	yara_rule
behavioral1/memory/5624-10-0x0000000000470000-0x0000000000487000-memory.dmp	family_gh0strat
behavioral1/memory/5624-9-0x0000000000470000-0x0000000000487000-memory.dmp	family_gh0strat
behavioral1/memory/5624-12-0x0000000000470000-0x0000000000487000-memory.dmp	family_gh0strat
behavioral1/memory/5624-18-0x0000000000470000-0x0000000000487000-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

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	0960b57d257d6c76d84cf9d54577a7ba.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\SymantecLiveUpdate = "C:\\Program Files\\Symantec\\LiveUpdate\\VPTray.exe"	0960b57d257d6c76d84cf9d54577a7ba.exe

Executes dropped EXE 1 IoCs

pid	Process
5624	VPTray.exe

Loads dropped DLL 1 IoCs

pid	Process
5624	VPTray.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\KB1035627.dat	VPTray.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Symantec\LiveUpdate\VPTray.exe	0960b57d257d6c76d84cf9d54577a7ba.exe
File opened for modification	C:\Program Files\Symantec\LiveUpdate\VPTray.exe	0960b57d257d6c76d84cf9d54577a7ba.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\up.bak	VPTray.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5188	5624	WerFault.exe	86

System Location Discovery: System Language Discovery 1 TTPs 4 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	0960b57d257d6c76d84cf9d54577a7ba.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	VPTray.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.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
2936	PING.EXE
5144	cmd.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	VPTray.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	VPTray.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2936	PING.EXE

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
5624	VPTray.exe
5624	VPTray.exe
5624	VPTray.exe
5624	VPTray.exe
5624	VPTray.exe
5624	VPTray.exe
5624	VPTray.exe
5624	VPTray.exe
5624	VPTray.exe
5624	VPTray.exe
5624	VPTray.exe
5624	VPTray.exe
5624	VPTray.exe
5624	VPTray.exe
5624	VPTray.exe
5624	VPTray.exe
5624	VPTray.exe
5624	VPTray.exe
5624	VPTray.exe
5624	VPTray.exe
5624	VPTray.exe
5624	VPTray.exe
5624	VPTray.exe
5624	VPTray.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 5340 wrote to memory of 5144	5340	0960b57d257d6c76d84cf9d54577a7ba.exe	85
PID 5340 wrote to memory of 5144	5340	0960b57d257d6c76d84cf9d54577a7ba.exe	85
PID 5340 wrote to memory of 5144	5340	0960b57d257d6c76d84cf9d54577a7ba.exe	85
PID 5340 wrote to memory of 5624	5340	0960b57d257d6c76d84cf9d54577a7ba.exe	86
PID 5340 wrote to memory of 5624	5340	0960b57d257d6c76d84cf9d54577a7ba.exe	86
PID 5340 wrote to memory of 5624	5340	0960b57d257d6c76d84cf9d54577a7ba.exe	86
PID 5144 wrote to memory of 2936	5144	cmd.exe	88
PID 5144 wrote to memory of 2936	5144	cmd.exe	88
PID 5144 wrote to memory of 2936	5144	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\0960b57d257d6c76d84cf9d54577a7ba.exe
"C:\Users\Admin\AppData\Local\Temp\0960b57d257d6c76d84cf9d54577a7ba.exe"
1⤵
- Adds policy Run key to start application
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5340
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping localhost -n 2 & del "C:\Users\Admin\AppData\Local\Temp\0960b57d257d6c76d84cf9d54577a7ba.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:5144
- - C:\Windows\SysWOW64\PING.EXE
    ping localhost -n 2
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2936
- C:\Program Files\Symantec\LiveUpdate\VPTray.exe
  "C:\Program Files\Symantec\LiveUpdate\VPTray.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:5624
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5624 -s 392
    3⤵
    - Program crash
    PID:5188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5624 -ip 5624
1⤵
PID:5512

Network

MITRE ATT&CK Enterprise v16

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

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

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

VPTray.exe

Path C:\Program Files\Symantec\LiveUpdate\VPTray.exe
Size 97KB
SHA256 877ae9b05c73f62202bb0f6212340f87a204d85966f9c2485f504b17e72ae8a5
MD5 0960b57d257d6c76d84cf9d54577a7ba
SHA1 12be725938b31a77a47a7e19ad8124783b019764
SHA512 5d194c873225efa773ee83e55a7ae54fa8ac654d616dadaa0b798c91ecc52d6e8037ecd40352dfc0d5b586b365c65efd6fc7b3e59f06cfa9cc11520c4e83bc4f
SSDEEP 1536:ohDhKT2BUW5Umt8a53QmB4efDJlDoG0yJ9vUiT9I7pwfQex54:Y1UW5Umt8o3QmB4e7fDoG0a1TuwJ4
MD5 SHA1 SHA512 SSDEEP

Submit Download

up.bak

Path C:\Windows\up.bak
Size 58KB
SHA256 6eb5cb66f2ab6449b1f4f43db98a9b3e0f447204ef6a3ecb5815b936d3a6e87c
MD5 5dcb78d65d598412e5f581dcd0a12601
SHA1 422095f4c238e4ad76b27b20dca881559e20dd2c
SHA512 328133df14f5112547f37a0866bbd9b96efdaf745e2a68f43dce8b491f000243112b782b3b3666866521af20ee27ccfc7c3551c59afcc072f85a78bcd7e12d05
SSDEEP 1536:QXqWFsVt2jmGFMtjVBkVcwVJ+AXYcRvimKJuf:cJFM2jtiRm7qAXTimH
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/5624-10-0x0000000000470000-0x0000000000487000-memory.dmp

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memory/5624-9-0x0000000000470000-0x0000000000487000-memory.dmp

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memory/5624-12-0x0000000000470000-0x0000000000487000-memory.dmp

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memory/5624-18-0x0000000000470000-0x0000000000487000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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