gh0strat | ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4

General

Target
ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
Size 472KB
Sample260925-gbmeka1cmf
SHA256 ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4
MD5 80965e40837fa482724c60d5ef1e70a4
SHA1 7d8d5883a6c3319f63a3cb434371b0a92efd0970
SHA512 e6973ec52c0a586d8724d0626ffe9a2da56b35d410fb5f1969d0b599d45a0d061b0662d68edfa6d265904122701870aef6bb532af9b664827e76065269b63e90
SSDEEP 3072:qyZK/yLrQbWaR5Qax8cW+qQ4nGCIULPwiu0V7t+tR:bQyLEbWaR5Cc2Q4n5DwkL+
TLSH
T1C3A4CF05FB028439F4D641FAB6FA8BBFB529AF30074414D773D4969A2B391C2AD3164B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery gh0strat persistence rat upx

Malware Config

Extracted

Family

gh0strat

C2

131111111.f1.luyouxia.net

Signatures

Family: 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

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/5524-1-0x0000000010000000-0x0000000010015000-memory.dmp	family_gh0strat
behavioral2/memory/2072-11-0x0000000000400000-0x0000000000476000-memory.dmp	family_gh0strat
behavioral2/memory/5524-12-0x0000000000400000-0x0000000000476000-memory.dmp	family_gh0strat

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4057491610-3392471755-192832105-1000\Software\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe"	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.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)	\??\L:	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
File opened (read-only)	\??\Q:	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
File opened (read-only)	\??\S:	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
File opened (read-only)	\??\T:	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
File opened (read-only)	\??\V:	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
File opened (read-only)	\??\G:	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
File opened (read-only)	\??\H:	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
File opened (read-only)	\??\K:	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
File opened (read-only)	\??\O:	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
File opened (read-only)	\??\P:	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
File opened (read-only)	\??\R:	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
File opened (read-only)	\??\J:	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
File opened (read-only)	\??\M:	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
File opened (read-only)	\??\U:	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
File opened (read-only)	\??\W:	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
File opened (read-only)	\??\B:	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
File opened (read-only)	\??\N:	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
File opened (read-only)	\??\X:	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
File opened (read-only)	\??\Y:	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
File opened (read-only)	\??\Z:	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
File opened (read-only)	\??\D:	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
File opened (read-only)	\??\I:	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/5524-0-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral2/memory/2072-11-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral2/memory/5524-12-0x0000000000400000-0x0000000000476000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 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	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.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	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
5524	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
5524	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
5524	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
5524	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
5524	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
5524	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
5524	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
5524	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
2072	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
2072	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
2072	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
2072	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
2072	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
2072	ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe

C:\Users\Admin\AppData\Local\Temp\ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
"C:\Users\Admin\AppData\Local\Temp\ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:5524

C:\Users\Admin\AppData\Local\Temp\ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
C:\Users\Admin\AppData\Local\Temp\ba9dd579839c63cb392eafa9b5c7466c086303159f8528eabb903d22782820d4.exe
1⤵
- Suspicious behavior: EnumeratesProcesses
PID:2072