f018c09f5f093f5aa02fe54efb36d2c79382da298bdd16731f22a51ad69bf240

Resubmissions

09/03/2023, 01:50

230309-b9lyssab35 6

09/03/2023, 01:49

230309-b8zs9sha4t 6

Analysis

max time kernel
57s
max time network
61s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
09/03/2023, 01:50

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General

Target

Salwyrr Minecraft Launcher 4.jar
Size

807KB
MD5

a616e898ea735980492f41da00f88f39
SHA1

6de46eb8ddc768bb6652d45fe59904371e153c5d
SHA256

f018c09f5f093f5aa02fe54efb36d2c79382da298bdd16731f22a51ad69bf240
SHA512

130337c5738e9cee84dff629c5d4a34f9b2bbf587e7b0eaa518075a76a8086854e7604c9ae23455eca239fbbf36c3c1472b477d306a347a1dba9b1c63c61ee3d
SSDEEP

12288:s/yLEqLW3fXL4AAsZuE0zgQ91Sku7Jgp+4C0xQZIKdHVr5wb7caw+O7ULr:FER3fMAHUb+mgWQZIKnu8aMU/

Score

6^/10

Malware Config

Signatures

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Videos\Captures\desktop.ini	svchost.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	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-144354903-2550862337-1367551827-1000\{2E9CD4F4-7856-40C0-BE24-5100827B0BC2}	svchost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1328	OpenWith.exe
2516	java.exe
2516	java.exe

C:\ProgramData\Oracle\Java\javapath\java.exe
java -jar "C:\Users\Admin\AppData\Local\Temp\Salwyrr Minecraft Launcher 4.jar"
1⤵
- Suspicious use of SetWindowsHookEx
PID:2516

C:\Windows\System32\GameBarPresenceWriter.exe
"C:\Windows\System32\GameBarPresenceWriter.exe" -ServerName:Windows.Gaming.GameBar.Internal.PresenceWriterServer
1⤵
PID:3192

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Suspicious use of SetWindowsHookEx
PID:1328

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k BcastDVRUserService -s BcastDVRUserService
1⤵
- Drops desktop.ini file(s)
- Checks processor information in registry
- Modifies registry class
PID:4668

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

Replay Monitor

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Downloads

C:\Users\Admin\Videos\Captures\desktop.ini

Filesize
190B

MD5
b0d27eaec71f1cd73b015f5ceeb15f9d

SHA1
62264f8b5c2f5034a1e4143df6e8c787165fbc2f

SHA256
86d9f822aeb989755fac82929e8db369b3f5f04117ef96fd76e3d5f920a501d2

SHA512
7b5c9783a0a14b600b156825639d24cbbc000f5066c48ce9fecc195255603fc55129aaaca336d7ce6ad4e941d5492b756562f2c7a1d151fcfc2dabac76f3946c

Download Submit
memory/2516-143-0x00000000013D0000-0x00000000013D1000-memory.dmp

Filesize
4KB

Download
memory/2516-160-0x00000000013D0000-0x00000000013D1000-memory.dmp

Filesize
4KB

Download
memory/2516-163-0x00000000013D0000-0x00000000013D1000-memory.dmp

Filesize
4KB

Download
memory/2516-165-0x00000000013D0000-0x00000000013D1000-memory.dmp

Filesize
4KB

Download
memory/2516-170-0x00000000013D0000-0x00000000013D1000-memory.dmp

Filesize
4KB

Download