gh0strat | 4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114

General

Target

4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe
Size

2.1MB
MD5

64e0ee6e6274b3201dac5d865b4bac0a
SHA1

3fedaab5ceb3165d4366eb119d66fc916ac37d3b
SHA256

4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114
SHA512

fdf82bd602134b250fe0d884454f2f50eb22316f794cc2e3515da5eef203e5136415ba0d4d9461beabc6ecc73e41e902da25048d2488b0da9f9bd83a917830d0
SSDEEP

49152:ngkg7Ge49gn8erH0r8SWAdikwBG4ITHkGzgghz1jPhPubxS4wo9QFhhhZhXaEo:q7Ge49reri8SWAdikwBG4eHkGznzBPVE

Score

10^/10

gh0strat discovery persistence rat

Malware Config

Extracted

Family

gh0strat

C2

45.207.199.218

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral2/memory/4044-0-0x0000000010000000-0x0000000010015000-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

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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe"	4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.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:	4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe
File opened (read-only)	\??\K:	4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe
File opened (read-only)	\??\M:	4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe
File opened (read-only)	\??\P:	4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe
File opened (read-only)	\??\S:	4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe
File opened (read-only)	\??\G:	4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe
File opened (read-only)	\??\I:	4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe
File opened (read-only)	\??\N:	4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe
File opened (read-only)	\??\O:	4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe
File opened (read-only)	\??\Q:	4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe
File opened (read-only)	\??\R:	4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe
File opened (read-only)	\??\X:	4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe
File opened (read-only)	\??\Y:	4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe
File opened (read-only)	\??\E:	4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe
File opened (read-only)	\??\Z:	4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe
File opened (read-only)	\??\B:	4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe
File opened (read-only)	\??\L:	4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe
File opened (read-only)	\??\T:	4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe
File opened (read-only)	\??\U:	4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe
File opened (read-only)	\??\V:	4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe
File opened (read-only)	\??\W:	4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe
File opened (read-only)	\??\H:	4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe

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	4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4044	4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe
4044	4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe
4044	4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe
4044	4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe
4044	4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe
4044	4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4044	4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe

C:\Users\Admin\AppData\Local\Temp\4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.exe
"C:\Users\Admin\AppData\Local\Temp\4b0025b997860a470aa637ae5d32c2f424b3883fdaa7fe8f5ec3ac7d11b8b114.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
- Suspicious use of SetWindowsHookEx
PID:4044