a47f071e8df4ab89b53b927edcfaa38a61b5c56fd8c9346cc5b0e5a5a1abf54b

Analysis

max time kernel
137s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/01/2024, 20:22

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

80c80561e656f007aa888799f08da575.jar
Size

104KB
MD5

80c80561e656f007aa888799f08da575
SHA1

17567e2e1e359830412d1dca5315a143e0795983
SHA256

a47f071e8df4ab89b53b927edcfaa38a61b5c56fd8c9346cc5b0e5a5a1abf54b
SHA512

895697afe5b6d03952acff40950b40d04b7c7e5ac6d5f199d2f3da41842ff643ee374eb74f2dbe38510bf2acbaff88cb847419882f2b0083978085c4e02cbb63
SSDEEP

1536:qcDy/IwhoFDhTaQRrTdPsm9Pfm9ZL7s+ib7keEEXniiC1O7BzFgO9WuDVLwCPq:qcDyf6VhjPnVyPs79Xn9C1ABxMcUmq

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4044	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	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\symbols\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\symbols\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\ntdll.pdb	java.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5092 wrote to memory of 4044	5092	java.exe	85
PID 5092 wrote to memory of 4044	5092	java.exe	85

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\80c80561e656f007aa888799f08da575.jar
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:5092
- C:\Windows\system32\icacls.exe
  C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
  2⤵
  - Modifies file permissions
  PID:4044

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

Loading Replay Monitor...

Downloads

memory/5092-2-0x0000020B01410000-0x0000020B02410000-memory.dmp

Filesize
16.0MB

Download
memory/5092-11-0x0000020B7EBB0000-0x0000020B7EBB1000-memory.dmp

Filesize
4KB

Download
memory/5092-24-0x0000020B01410000-0x0000020B02410000-memory.dmp

Filesize
16.0MB

Download
memory/5092-32-0x0000020B01410000-0x0000020B02410000-memory.dmp

Filesize
16.0MB

Download
memory/5092-33-0x0000020B7EBB0000-0x0000020B7EBB1000-memory.dmp

Filesize
4KB

Download
memory/5092-37-0x0000020B01410000-0x0000020B02410000-memory.dmp

Filesize
16.0MB

Download
memory/5092-40-0x0000020B01690000-0x0000020B016A0000-memory.dmp

Filesize
64KB

Download
memory/5092-41-0x0000020B016A0000-0x0000020B016B0000-memory.dmp

Filesize
64KB

Download
memory/5092-42-0x0000020B01700000-0x0000020B01710000-memory.dmp

Filesize
64KB

Download
memory/5092-44-0x0000020B016E0000-0x0000020B016F0000-memory.dmp

Filesize
64KB

Download
memory/5092-46-0x0000020B016F0000-0x0000020B01700000-memory.dmp

Filesize
64KB

Download
memory/5092-45-0x0000020B01410000-0x0000020B02410000-memory.dmp

Filesize
16.0MB

Download
memory/5092-43-0x0000020B01710000-0x0000020B01720000-memory.dmp

Filesize
64KB

Download
memory/5092-47-0x0000020B01410000-0x0000020B02410000-memory.dmp

Filesize
16.0MB

Download