70b7a95c367f712ee990d171da3365c310f169e9bc7190ab2c1c64f7e657630f

Analysis

max time kernel
129s
max time network
131s
platform
windows10-1703_x64
resource
win10-20231215-en
resource tags

arch:x64arch:x86image:win10-20231215-enlocale:en-usos:windows10-1703-x64system
submitted
22/12/2023, 15:47

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General

Target

vivecraft-1.16.5-jrbudda-NONVR-7-8b-installer (1).exe
Size

2.7MB
MD5

34593f04779ea997e964be6f9bb5e42d
SHA1

3a3a6c5df6a9909f3f761606a129d69a0173cafc
SHA256

70b7a95c367f712ee990d171da3365c310f169e9bc7190ab2c1c64f7e657630f
SHA512

30f761ea6dfc092e93a5b61540e5a6fd4fa5a5d613066b172defd0fc84eb5849b6bf1fb199524ba3edc88209b140dba7a7188e9b131cb40ca305c75d1dcf96f7
SSDEEP

49152:Uufu9pEFBdsBjgDWnq4xrsnVzpRk2UArlg5x4SMlPagFdIrmGuT+ge8hwvTAv4BT:uczIIWTrsbRHdg5magEn8mvEvZHMH

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4184	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\symbols\dll\ntdll.pdb	javaw.exe
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\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\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\server\symbols\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\ntdll.pdb	javaw.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1456	javaw.exe
1456	javaw.exe
1456	javaw.exe
1456	javaw.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 212 wrote to memory of 1456	212	vivecraft-1.16.5-jrbudda-NONVR-7-8b-installer (1).exe	74
PID 212 wrote to memory of 1456	212	vivecraft-1.16.5-jrbudda-NONVR-7-8b-installer (1).exe	74
PID 1456 wrote to memory of 4184	1456	javaw.exe	75
PID 1456 wrote to memory of 4184	1456	javaw.exe	75

C:\Users\Admin\AppData\Local\Temp\vivecraft-1.16.5-jrbudda-NONVR-7-8b-installer (1).exe
"C:\Users\Admin\AppData\Local\Temp\vivecraft-1.16.5-jrbudda-NONVR-7-8b-installer (1).exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:212
- 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\vivecraft-1.16.5-jrbudda-NONVR-7-8b-installer (1).exe" -Djava.net.preferIPv4Stack=true
  2⤵
  - Drops file in Program Files directory
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1456
- - 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:4184

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
46B

MD5
93540de6e1c210b775de36efbd004f07

SHA1
bfd66a3077c500fce8858ebafc857bf5594191bc

SHA256
46c3b682b591a815e3d59b4c508063045c15727816ec9c1573b58ae0829a0668

SHA512
352af96e9655925d769980bc211dc83299493e6ebb7e5bdbd33d16d232817213900075945df48db66b5a89de68d1d17d0061aef36129e8784f70fa820000d439

Download Submit
memory/212-0-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1456-46-0x00000216CD3E0000-0x00000216CE3E0000-memory.dmp

Filesize
16.0MB

Download
memory/1456-47-0x00000216CD3E0000-0x00000216CE3E0000-memory.dmp

Filesize
16.0MB

Download
memory/1456-28-0x00000216CD3E0000-0x00000216CE3E0000-memory.dmp

Filesize
16.0MB

Download
memory/1456-30-0x00000216CD3C0000-0x00000216CD3C1000-memory.dmp

Filesize
4KB

Download
memory/1456-42-0x00000216CD3E0000-0x00000216CE3E0000-memory.dmp

Filesize
16.0MB

Download
memory/1456-45-0x00000216CD3E0000-0x00000216CE3E0000-memory.dmp

Filesize
16.0MB

Download
memory/1456-5-0x00000216CD3E0000-0x00000216CE3E0000-memory.dmp

Filesize
16.0MB

Download
memory/1456-23-0x00000216CD3C0000-0x00000216CD3C1000-memory.dmp

Filesize
4KB

Download
memory/1456-48-0x00000216CD3E0000-0x00000216CE3E0000-memory.dmp

Filesize
16.0MB

Download
memory/1456-49-0x00000216CD3E0000-0x00000216CE3E0000-memory.dmp

Filesize
16.0MB

Download
memory/1456-50-0x00000216CD3E0000-0x00000216CE3E0000-memory.dmp

Filesize
16.0MB

Download
memory/1456-51-0x00000216CD3E0000-0x00000216CE3E0000-memory.dmp

Filesize
16.0MB

Download
memory/1456-52-0x00000216CD3E0000-0x00000216CE3E0000-memory.dmp

Filesize
16.0MB

Download
memory/1456-53-0x00000216CD3E0000-0x00000216CE3E0000-memory.dmp

Filesize
16.0MB

Download