041186833ff7faa7bf99819f8471659ae622a7d2285138cd611b53b63dab12a9

Analysis

max time kernel
96s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
27-03-2023 21:38

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General

Target

SlayerRAT v0.7.2 By X-Slayer/Stubdownload.exe
Size

18KB
MD5

b99ff62f03bf846189fe7a8b2ce6311e
SHA1

32a84ace75bc9ef68f0edfb303412bc93b5a3967
SHA256

b8a1f340423a7c8c32c364c61208b094fbd4ba05aee0dacb8d9d04584334dfc7
SHA512

06c5e15a4bf9ee483c2d62856fc72183b124c2c5e7ff07d6b35d0ad1355e9af6ee87785d874617b6119c22d2f6cac3a23da60465aad4b342255d2ba63c801254
SSDEEP

384:fvOrJRG3cJ4ev4KGa49O4RUx+LR2m/ti+FDo:3iRG3cJw5BBiyo

Score

4^/10

Malware Config

Signatures

Drops file in Windows directory 1 IoCs

Processes:

dw20.exe

description ioc process

File created C:\Windows\AppCompat\Programs\Amcache.hve.tmp dw20.exe

description	ioc	process
File created	C:\Windows\AppCompat\Programs\Amcache.hve.tmp	dw20.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

dw20.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

dw20.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

dw20.exe

description	pid	process
Token: SeRestorePrivilege	1608	dw20.exe
Token: SeBackupPrivilege	1608	dw20.exe
Token: SeBackupPrivilege	1608	dw20.exe
Token: SeBackupPrivilege	1608	dw20.exe
Token: SeBackupPrivilege	1608	dw20.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

Stubdownload.exe

description	pid	process	target process
PID 2284 wrote to memory of 1608	2284	Stubdownload.exe	dw20.exe
PID 2284 wrote to memory of 1608	2284	Stubdownload.exe	dw20.exe
PID 2284 wrote to memory of 1608	2284	Stubdownload.exe	dw20.exe

C:\Users\Admin\AppData\Local\Temp\SlayerRAT v0.7.2 By X-Slayer\Stubdownload.exe
"C:\Users\Admin\AppData\Local\Temp\SlayerRAT v0.7.2 By X-Slayer\Stubdownload.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2284

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 820
2⤵
- Drops file in Windows directory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:1608

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2284-133-0x0000000001950000-0x0000000001960000-memory.dmp

Filesize
64KB

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