gh0strat | 13b9946788e24e61351377d877b5bc1e3294e1a17456800f68a994923fd2562b

Analysis

max time kernel
90s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2023, 09:12

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General

Target

13b9946788e24e61351377d877b5bc1e3294e1a17456800f68a994923fd2562b.exe
Size

776KB
MD5

8d1a2dbf8171ffe9e87bfccc57818ccf
SHA1

766f1dbe5a7d4e818018af6c2881c58c3f874fb4
SHA256

13b9946788e24e61351377d877b5bc1e3294e1a17456800f68a994923fd2562b
SHA512

b24f3d2e310ccbcd30207cd034ca3dcb4401b697969a5c05793f02a823b35917e820df74eb0f0445ad2e90f4c6b8300aea83c32cde4da1f9945c93fd703b05fd
SSDEEP

12288:5ucgkaQ/56vUcUsr3oSXvpuFFrJLRJHjC1LlXyr8ANb/yCLYfw7Op8Rdb+:ocghi0fXXsFbLzH21LlCr8ebKEDxdb

Score

10^/10

gh0strat rat vmprotect

Malware Config

Signatures

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral1/memory/4620-133-0x0000000000400000-0x00000000005D4000-memory.dmp	family_gh0strat
behavioral1/memory/4620-134-0x0000000010000000-0x0000000010010000-memory.dmp	family_gh0strat
behavioral1/memory/4620-137-0x0000000000400000-0x00000000005D4000-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

VMProtect packed file 3 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral1/memory/4620-132-0x0000000000400000-0x00000000005D4000-memory.dmp	vmprotect
behavioral1/memory/4620-133-0x0000000000400000-0x00000000005D4000-memory.dmp	vmprotect
behavioral1/memory/4620-137-0x0000000000400000-0x00000000005D4000-memory.dmp	vmprotect

Enumerates connected drives 3 TTPs 23 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)	\??\V:	13b9946788e24e61351377d877b5bc1e3294e1a17456800f68a994923fd2562b.exe
File opened (read-only)	\??\W:	13b9946788e24e61351377d877b5bc1e3294e1a17456800f68a994923fd2562b.exe
File opened (read-only)	\??\X:	13b9946788e24e61351377d877b5bc1e3294e1a17456800f68a994923fd2562b.exe
File opened (read-only)	\??\B:	13b9946788e24e61351377d877b5bc1e3294e1a17456800f68a994923fd2562b.exe
File opened (read-only)	\??\K:	13b9946788e24e61351377d877b5bc1e3294e1a17456800f68a994923fd2562b.exe
File opened (read-only)	\??\S:	13b9946788e24e61351377d877b5bc1e3294e1a17456800f68a994923fd2562b.exe
File opened (read-only)	\??\M:	13b9946788e24e61351377d877b5bc1e3294e1a17456800f68a994923fd2562b.exe
File opened (read-only)	\??\P:	13b9946788e24e61351377d877b5bc1e3294e1a17456800f68a994923fd2562b.exe
File opened (read-only)	\??\Z:	13b9946788e24e61351377d877b5bc1e3294e1a17456800f68a994923fd2562b.exe
File opened (read-only)	\??\G:	13b9946788e24e61351377d877b5bc1e3294e1a17456800f68a994923fd2562b.exe
File opened (read-only)	\??\J:	13b9946788e24e61351377d877b5bc1e3294e1a17456800f68a994923fd2562b.exe
File opened (read-only)	\??\L:	13b9946788e24e61351377d877b5bc1e3294e1a17456800f68a994923fd2562b.exe
File opened (read-only)	\??\R:	13b9946788e24e61351377d877b5bc1e3294e1a17456800f68a994923fd2562b.exe
File opened (read-only)	\??\F:	13b9946788e24e61351377d877b5bc1e3294e1a17456800f68a994923fd2562b.exe
File opened (read-only)	\??\H:	13b9946788e24e61351377d877b5bc1e3294e1a17456800f68a994923fd2562b.exe
File opened (read-only)	\??\N:	13b9946788e24e61351377d877b5bc1e3294e1a17456800f68a994923fd2562b.exe
File opened (read-only)	\??\Q:	13b9946788e24e61351377d877b5bc1e3294e1a17456800f68a994923fd2562b.exe
File opened (read-only)	\??\T:	13b9946788e24e61351377d877b5bc1e3294e1a17456800f68a994923fd2562b.exe
File opened (read-only)	\??\U:	13b9946788e24e61351377d877b5bc1e3294e1a17456800f68a994923fd2562b.exe
File opened (read-only)	\??\Y:	13b9946788e24e61351377d877b5bc1e3294e1a17456800f68a994923fd2562b.exe
File opened (read-only)	\??\E:	13b9946788e24e61351377d877b5bc1e3294e1a17456800f68a994923fd2562b.exe
File opened (read-only)	\??\I:	13b9946788e24e61351377d877b5bc1e3294e1a17456800f68a994923fd2562b.exe
File opened (read-only)	\??\O:	13b9946788e24e61351377d877b5bc1e3294e1a17456800f68a994923fd2562b.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	13b9946788e24e61351377d877b5bc1e3294e1a17456800f68a994923fd2562b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	13b9946788e24e61351377d877b5bc1e3294e1a17456800f68a994923fd2562b.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4620	13b9946788e24e61351377d877b5bc1e3294e1a17456800f68a994923fd2562b.exe
4620	13b9946788e24e61351377d877b5bc1e3294e1a17456800f68a994923fd2562b.exe

C:\Users\Admin\AppData\Local\Temp\13b9946788e24e61351377d877b5bc1e3294e1a17456800f68a994923fd2562b.exe
"C:\Users\Admin\AppData\Local\Temp\13b9946788e24e61351377d877b5bc1e3294e1a17456800f68a994923fd2562b.exe"
1⤵
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4620

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4620-132-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/4620-133-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/4620-134-0x0000000010000000-0x0000000010010000-memory.dmp

Filesize
64KB

Download
memory/4620-137-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download