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
2032	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\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\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\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\dll\ntdll.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\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\symbols\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-1-5-21-177160434-2093019976-369403398-1000\{B4F5517C-9CDF-4CF2-85E8-9B61EB91AC45}	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4228	OpenWith.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3320	javaw.exe
3320	javaw.exe
4228	OpenWith.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1360 wrote to memory of 3320	1360	LauncherFenix-Minecraft-v7.exe	86
PID 1360 wrote to memory of 3320	1360	LauncherFenix-Minecraft-v7.exe	86
PID 3320 wrote to memory of 2032	3320	javaw.exe	88
PID 3320 wrote to memory of 2032	3320	javaw.exe	88

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:1360
- 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:3320
- - 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:2032

C:\Windows\System32\GameBarPresenceWriter.exe
"C:\Windows\System32\GameBarPresenceWriter.exe" -ServerName:Windows.Gaming.GameBar.Internal.PresenceWriterServer
1⤵
PID:4848

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:4228

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k BcastDVRUserService -s BcastDVRUserService
1⤵
- Checks processor information in registry
- Modifies registry class
PID:4704

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
ac1d6f9982c9402b320e34087300f2d0

SHA1
2365ae1ec019581eee8253e8d7c14e8f00204f8c

SHA256
7962b94ecf93e4e743827df1f3b6dd0380e1fd405916a3d4e48cb9409df69fe9

SHA512
6f9a8e3031079b03fdfb0d55686484bcc696eb5235ecab50baa111598bb7e9957c49887dbeb985d28ba607bd8704392ccbf193a9cee239619ca4f6bde63c7abe

Download Submit
memory/1360-16-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3320-4-0x0000017F193B0000-0x0000017F1A3B0000-memory.dmp

Filesize
16.0MB

Download
memory/3320-17-0x0000017F17BE0000-0x0000017F17BE1000-memory.dmp

Filesize
4KB

Download
memory/3320-19-0x0000017F17BE0000-0x0000017F17BE1000-memory.dmp

Filesize
4KB

Download
memory/3320-23-0x0000017F193B0000-0x0000017F1A3B0000-memory.dmp

Filesize
16.0MB

Download
memory/3320-28-0x0000017F19630000-0x0000017F19640000-memory.dmp

Filesize
64KB

Download
memory/3320-29-0x0000017F19640000-0x0000017F19650000-memory.dmp

Filesize
64KB

Download
memory/3320-30-0x0000017F19650000-0x0000017F19660000-memory.dmp

Filesize
64KB

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memory/3320-31-0x0000017F193B0000-0x0000017F1A3B0000-memory.dmp

Filesize
16.0MB

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Analysis

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