7917f9fa14be6da6ef3cdb7fe6bf3b63a593a0eb873bd627e981a7e3988cd73a

Analysis

max time kernel
149s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 01:14

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General

Target

2a782276284602e7ee8375fc94dea9a1.jar
Size

179KB
MD5

2a782276284602e7ee8375fc94dea9a1
SHA1

b0b56218653049536837c5be99a2e80616a168d4
SHA256

7917f9fa14be6da6ef3cdb7fe6bf3b63a593a0eb873bd627e981a7e3988cd73a
SHA512

719140eef7ffe13f3f45c78d5975b36252840e6d02f5fbfdd9176a276c9738230f1dd8bb6c297d58ef8c6111160abe0f0d5d369a29213b8c121bcfd060c5a312
SSDEEP

3072:RkwMxilM3UBIA24bnZxokNyVeV+e7rqReiagwx7C4w7uJJQbA2kn/N3LRE:2Jx6lTlNyVeV+cqtvwx7C4syabpAU

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1992	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\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\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\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\dll\ntdll.pdb	java.exe
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\jvm.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

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2652	java.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2652 wrote to memory of 1992	2652	java.exe	91
PID 2652 wrote to memory of 1992	2652	java.exe	91

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\2a782276284602e7ee8375fc94dea9a1.jar
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2652
- 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:1992

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

memory/2652-4-0x000001DDE7010000-0x000001DDE8010000-memory.dmp

Filesize
16.0MB

Download
memory/2652-12-0x000001DDE6FF0000-0x000001DDE6FF1000-memory.dmp

Filesize
4KB

Download
memory/2652-16-0x000001DDE6FF0000-0x000001DDE6FF1000-memory.dmp

Filesize
4KB

Download
memory/2652-18-0x000001DDE6FF0000-0x000001DDE6FF1000-memory.dmp

Filesize
4KB

Download
memory/2652-22-0x000001DDE6FF0000-0x000001DDE6FF1000-memory.dmp

Filesize
4KB

Download
memory/2652-23-0x000001DDE6FF0000-0x000001DDE6FF1000-memory.dmp

Filesize
4KB

Download
memory/2652-26-0x000001DDE6FF0000-0x000001DDE6FF1000-memory.dmp

Filesize
4KB

Download
memory/2652-30-0x000001DDE7010000-0x000001DDE8010000-memory.dmp

Filesize
16.0MB

Download
memory/2652-42-0x000001DDE7010000-0x000001DDE8010000-memory.dmp

Filesize
16.0MB

Download
memory/2652-50-0x000001DDE7290000-0x000001DDE72A0000-memory.dmp

Filesize
64KB

Download
memory/2652-51-0x000001DDE7330000-0x000001DDE7340000-memory.dmp

Filesize
64KB

Download
memory/2652-53-0x000001DDE7010000-0x000001DDE8010000-memory.dmp

Filesize
16.0MB

Download
memory/2652-54-0x000001DDE72D0000-0x000001DDE72E0000-memory.dmp

Filesize
64KB

Download
memory/2652-55-0x000001DDE72E0000-0x000001DDE72F0000-memory.dmp

Filesize
64KB

Download
memory/2652-52-0x000001DDE72C0000-0x000001DDE72D0000-memory.dmp

Filesize
64KB

Download
memory/2652-57-0x000001DDE7310000-0x000001DDE7320000-memory.dmp

Filesize
64KB

Download
memory/2652-58-0x000001DDE7320000-0x000001DDE7330000-memory.dmp

Filesize
64KB

Download
memory/2652-56-0x000001DDE7300000-0x000001DDE7310000-memory.dmp

Filesize
64KB

Download
memory/2652-59-0x000001DDE7010000-0x000001DDE8010000-memory.dmp

Filesize
16.0MB

Download
memory/2652-61-0x000001DDE7350000-0x000001DDE7360000-memory.dmp

Filesize
64KB

Download
memory/2652-60-0x000001DDE7340000-0x000001DDE7350000-memory.dmp

Filesize
64KB

Download
memory/2652-62-0x000001DDE7360000-0x000001DDE7370000-memory.dmp

Filesize
64KB

Download
memory/2652-66-0x000001DDE7010000-0x000001DDE8010000-memory.dmp

Filesize
16.0MB

Download
memory/2652-65-0x000001DDE73A0000-0x000001DDE73B0000-memory.dmp

Filesize
64KB

Download
memory/2652-64-0x000001DDE7390000-0x000001DDE73A0000-memory.dmp

Filesize
64KB

Download
memory/2652-63-0x000001DDE7380000-0x000001DDE7390000-memory.dmp

Filesize
64KB

Download
memory/2652-67-0x000001DDE7010000-0x000001DDE8010000-memory.dmp

Filesize
16.0MB

Download