7d1fed6f7a55e3208f33a3e084161f300403d1ad482ed4e04fca355c4807feec

Analysis

max time kernel
126s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
03-03-2024 05:17

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

7d1fed6f7a55e3208f33a3e084161f300403d1ad482ed4e04fca355c4807feec.jar
Size

209KB
MD5

c340008b05ff34748fbf0ff15c52faaa
SHA1

77886d206e6986724c0b98ed62eff26e04285363
SHA256

7d1fed6f7a55e3208f33a3e084161f300403d1ad482ed4e04fca355c4807feec
SHA512

13a3e34fbd701743d533d897785c5ccb1220ddf36c360e0cf9fd35d32f715a77e39c07c085182b0f548d1627618859b111f144309627802047609a2df687157b
SSDEEP

6144:L2V8BJFHt/MQhSWszygRLaVIkMCmu2PjVmyKa:L2yB39bVs3GIkMCmZKa

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

4656 icacls.exe

pid	process
4656	icacls.exe

Drops file in Program Files directory 12 IoCs

Processes:

java.exe

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\jvm.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\symbols\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\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\ntdll.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

Processes:

java.exe

description pid process target process

PID 2900 wrote to memory of 4656 2900 java.exe icacls.exe
PID 2900 wrote to memory of 4656 2900 java.exe icacls.exe

description	pid	process	target process
PID 2900 wrote to memory of 4656	2900	java.exe	icacls.exe
PID 2900 wrote to memory of 4656	2900	java.exe	icacls.exe

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\7d1fed6f7a55e3208f33a3e084161f300403d1ad482ed4e04fca355c4807feec.jar
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2900

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:4656

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
Filesize
46B

MD5
7d98d6832a7cafbac5cb8c23c9f2d7f5

SHA1
5dd5b2236be0c0e1420a67d4942702e9f9acfd95

SHA256
605defc3d22521933b30014d5bc0a72d622ca734a912774ddd7799162c8963c1

SHA512
2b40b2932a961cdf7cfe1212faf02f6ea277a96ba5e8f8c44849c1853d339271105a3084485f96d5a4ed357198d8ce2a16dd75d730e91d55443245f4b31e47c7

Download Submit
memory/2900-36-0x00000165ADFF0000-0x00000165AE000000-memory.dmp

Filesize
64KB

Download
memory/2900-38-0x00000165ADD00000-0x00000165AED00000-memory.dmp

Filesize
16.0MB

Download
memory/2900-17-0x00000165ADD00000-0x00000165AED00000-memory.dmp

Filesize
16.0MB

Download
memory/2900-27-0x00000165ADD00000-0x00000165AED00000-memory.dmp

Filesize
16.0MB

Download
memory/2900-30-0x00000165ADCE0000-0x00000165ADCE1000-memory.dmp

Filesize
4KB

Download
memory/2900-33-0x00000165ADD00000-0x00000165AED00000-memory.dmp

Filesize
16.0MB

Download
memory/2900-12-0x00000165ADCE0000-0x00000165ADCE1000-memory.dmp

Filesize
4KB

Download
memory/2900-4-0x00000165ADD00000-0x00000165AED00000-memory.dmp

Filesize
16.0MB

Download
memory/2900-35-0x00000165ADF80000-0x00000165ADF90000-memory.dmp

Filesize
64KB

Download
memory/2900-37-0x00000165AE010000-0x00000165AE020000-memory.dmp

Filesize
64KB

Download
memory/2900-39-0x00000165ADFC0000-0x00000165ADFD0000-memory.dmp

Filesize
64KB

Download
memory/2900-40-0x00000165ADFE0000-0x00000165ADFF0000-memory.dmp

Filesize
64KB

Download
memory/2900-41-0x00000165AE000000-0x00000165AE010000-memory.dmp

Filesize
64KB

Download
memory/2900-42-0x00000165ADD00000-0x00000165AED00000-memory.dmp

Filesize
16.0MB

Download
memory/2900-43-0x00000165ADD00000-0x00000165AED00000-memory.dmp

Filesize
16.0MB

Download