122bfbb9f67e355340991deeacb167be9c12ad726b5a7c5779448dd0cc4af0cb

Resubmissions

28/12/2022, 19:37

221228-yb6lwabd55 8

28/12/2022, 19:35

221228-yandxaed9z 1

28/12/2022, 19:22

221228-x3lkcaed8x 4

Analysis

max time kernel
300s
max time network
181s
platform
windows10-2004_x64
resource
win10v2004-20221111-es
resource tags

arch:x64arch:x86image:win10v2004-20221111-eslocale:es-esos:windows10-2004-x64systemwindows
submitted
28/12/2022, 19:37

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Report Analysis Logs

General

Target

Minecraft.exe
Size

397KB
MD5

d99bb55b57712065bc88be297c1da38c
SHA1

fb6662dd31e8e5be380fbd7a33a50a45953fe1e7
SHA256

122bfbb9f67e355340991deeacb167be9c12ad726b5a7c5779448dd0cc4af0cb
SHA512

3eb5d57faea4c0146c2af40102deaac18235b379f5e81fe35a977b642e3edf70704c8cedd835e94f27b04c8413968f7469fccf82c1c9339066d38d3387c71b17
SSDEEP

3072:puzvch1rugYc4wqYSRR756K7ItBjgXHUYCnlK:Wch1aIqYSRVM+unlK

Score

4^/10

Malware Config

Signatures

Drops file in Program Files directory 12 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\symbols\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\server\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\server\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\server\symbols\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\server\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\server\symbols\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\symbols\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\server\ntdll.pdb	javaw.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-1-5-21-2386679933-1492765628-3466841596-1000\{96F503AB-102E-4F2B-BE7C-73FD29412585}	svchost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4168	javaw.exe
4168	javaw.exe
1372	OpenWith.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 4168	1732	Minecraft.exe	82
PID 1732 wrote to memory of 4168	1732	Minecraft.exe	82
PID 4940 wrote to memory of 2720	4940	chrome.exe	100
PID 4940 wrote to memory of 2720	4940	chrome.exe	100

C:\Users\Admin\AppData\Local\Temp\Minecraft.exe
"C:\Users\Admin\AppData\Local\Temp\Minecraft.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe
  "C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Local\Temp\Minecraft.exe"
  2⤵
  - Drops file in Program Files directory
  - Suspicious use of SetWindowsHookEx
  PID:4168

C:\Windows\System32\GameBarPresenceWriter.exe
"C:\Windows\System32\GameBarPresenceWriter.exe" -ServerName:Windows.Gaming.GameBar.Internal.PresenceWriterServer
1⤵
PID:2912

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Suspicious use of SetWindowsHookEx
PID:1372

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k BcastDVRUserService -s BcastDVRUserService
1⤵
- Checks processor information in registry
- Modifies registry class
PID:1548

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4940
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=89.0.4389.114 --initial-client-data=0x11c,0x120,0x124,0xf8,0x128,0x7ffd46924f50,0x7ffd46924f60,0x7ffd46924f70
  2⤵
  PID:2720

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

memory/4168-142-0x0000000003530000-0x0000000004530000-memory.dmp

Filesize
16.0MB

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