122bfbb9f67e355340991deeacb167be9c12ad726b5a7c5779448dd0cc4af0cb

General

Target

LauncherFenix-Minecraft-v7.exe
Size

397KB
MD5

d99bb55b57712065bc88be297c1da38c
SHA1

fb6662dd31e8e5be380fbd7a33a50a45953fe1e7
SHA256

122bfbb9f67e355340991deeacb167be9c12ad726b5a7c5779448dd0cc4af0cb
SHA512

3eb5d57faea4c0146c2af40102deaac18235b379f5e81fe35a977b642e3edf70704c8cedd835e94f27b04c8413968f7469fccf82c1c9339066d38d3387c71b17
SSDEEP

3072:puzvch1rugYc4wqYSRR756K7ItBjgXHUYCnlK:Wch1aIqYSRVM+unlK

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3256	icacls.exe

Drops file in Program Files directory 12 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\symbols\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\symbols\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\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-1-5-21-2177723727-746291240-1644359950-1000\{27B77FE1-4DD5-4472-A7AF-8DF43CC6F4DB}	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4316	OpenWith.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3360	javaw.exe
3360	javaw.exe
4316	OpenWith.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4756 wrote to memory of 3360	4756	LauncherFenix-Minecraft-v7.exe	83
PID 4756 wrote to memory of 3360	4756	LauncherFenix-Minecraft-v7.exe	83
PID 3360 wrote to memory of 3256	3360	javaw.exe	85
PID 3360 wrote to memory of 3256	3360	javaw.exe	85

C:\Users\Admin\AppData\Local\Temp\LauncherFenix-Minecraft-v7.exe
"C:\Users\Admin\AppData\Local\Temp\LauncherFenix-Minecraft-v7.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4756
- C:\Program Files\Java\jre-1.8\bin\javaw.exe
  "C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Local\Temp\LauncherFenix-Minecraft-v7.exe"
  2⤵
  - Drops file in Program Files directory
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3360
- - C:\Windows\system32\icacls.exe
    C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
    3⤵
    - Modifies file permissions
    PID:3256

C:\Windows\System32\GameBarPresenceWriter.exe
"C:\Windows\System32\GameBarPresenceWriter.exe" -ServerName:Windows.Gaming.GameBar.Internal.PresenceWriterServer
1⤵
PID:2076

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:4316

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k BcastDVRUserService -s BcastDVRUserService
1⤵
- Checks processor information in registry
- Modifies registry class
PID:3052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

1

T1222

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

Filesize
46B

MD5
6531b8c1a296c0fd80dedea0f62bdf5e

SHA1
d30a752c6201ab708a9b5ee3ad13e725f068a799

SHA256
930c3fb931f3aeb163c06b8713c61a40fc9a87ee70d2bb22025ff880a815bd7a

SHA512
fafc323adc85b6e6712195db23dd2cf998d723cfd3a827edf10cf96d216a234f0abf250f0f419403227f47a9ce15c703ae8ecac58d80213761098452a0c7e766

Download Submit
memory/3360-47-0x0000017556E90000-0x0000017557E90000-memory.dmp

Filesize
16.0MB

Download
memory/3360-65-0x0000017556E90000-0x0000017557E90000-memory.dmp

Filesize
16.0MB

Download
memory/3360-75-0x0000017556E90000-0x0000017557E90000-memory.dmp

Filesize
16.0MB

Download
memory/3360-21-0x0000017556E90000-0x0000017557E90000-memory.dmp

Filesize
16.0MB

Download
memory/3360-27-0x0000017556E90000-0x0000017557E90000-memory.dmp

Filesize
16.0MB

Download
memory/3360-37-0x0000017556E90000-0x0000017557E90000-memory.dmp

Filesize
16.0MB

Download
memory/3360-44-0x0000017556E70000-0x0000017556E71000-memory.dmp

Filesize
4KB

Download
memory/3360-4-0x0000017556E90000-0x0000017557E90000-memory.dmp

Filesize
16.0MB

Download
memory/3360-16-0x0000017556E70000-0x0000017556E71000-memory.dmp

Filesize
4KB

Download
memory/3360-50-0x0000017556E90000-0x0000017557E90000-memory.dmp

Filesize
16.0MB

Download
memory/3360-64-0x0000017556E70000-0x0000017556E71000-memory.dmp

Filesize
4KB

Download
memory/3360-66-0x0000017556E90000-0x0000017557E90000-memory.dmp

Filesize
16.0MB

Download
memory/3360-67-0x0000017556E90000-0x0000017557E90000-memory.dmp

Filesize
16.0MB

Download
memory/3360-68-0x0000017556E90000-0x0000017557E90000-memory.dmp

Filesize
16.0MB

Download
memory/3360-71-0x0000017556E90000-0x0000017557E90000-memory.dmp

Filesize
16.0MB

Download
memory/3360-73-0x0000017556E90000-0x0000017557E90000-memory.dmp

Filesize
16.0MB

Download
memory/3360-74-0x0000017556E90000-0x0000017557E90000-memory.dmp

Filesize
16.0MB

Download
memory/4756-17-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download

Analysis

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