ee5420e42f0a24abc94f91a63dcf822e21eee1536b815972bfcac06e7a2d9cfd

Analysis

max time kernel
146s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19-03-2024 00:43

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

SOA JAN (BM SHENZHEN OCEANSTAR).jar
Size

182KB
MD5

fadc391eb366687b72ef339d5aae261d
SHA1

4c05a869393902fad202fba4b154af41b398c788
SHA256

ee5420e42f0a24abc94f91a63dcf822e21eee1536b815972bfcac06e7a2d9cfd
SHA512

351b1c4120ea217701c81bab8570b61642196ab1d1e3faa60088e90a8f438de976944b7fdc3f355aae1e890f547810c410049166de7a8980f346ccf00e5edf78
SSDEEP

3072:QakzYwQS6NRrYHeT9SbSuxeU6HaZShkSpbj57QaemO9I2xsdzxSN:jnwOTEHeT9tj1b9o/+2xWVW

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

1040 icacls.exe

pid	process
1040	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\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
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\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\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\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

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

java.exe

description pid process target process

PID 4008 wrote to memory of 1040 4008 java.exe icacls.exe
PID 4008 wrote to memory of 1040 4008 java.exe icacls.exe

description	pid	process	target process
PID 4008 wrote to memory of 1040	4008	java.exe	icacls.exe
PID 4008 wrote to memory of 1040	4008	java.exe	icacls.exe

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar "C:\Users\Admin\AppData\Local\Temp\SOA JAN (BM SHENZHEN OCEANSTAR).jar"
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4008

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:1040

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
2c26e0e903a2f06b6899cdb247bad146

SHA1
313a82a16c233027935829cfce83a4e2042a1ca7

SHA256
b5e1d44e313a4a7d032c09f35f656c72768dcaf9e5fb1b8f2298b43875df8300

SHA512
bfc647c2d3a409d96ad670d09c00fe38f68dce1fe1845dc8ff1002a5fbaf006d97cbc7fb0460ae4ae2fcc71cdf2815b16437f8be0ef9cef0984f7cad5b3767f1

Download Submit
memory/4008-33-0x0000020CEAE50000-0x0000020CEAE60000-memory.dmp

Filesize
64KB

Download
memory/4008-14-0x0000020CE9310000-0x0000020CE9311000-memory.dmp

Filesize
4KB

Download
memory/4008-16-0x0000020CEABD0000-0x0000020CEBBD0000-memory.dmp

Filesize
16.0MB

Download
memory/4008-27-0x0000020CEABD0000-0x0000020CEBBD0000-memory.dmp

Filesize
16.0MB

Download
memory/4008-31-0x0000020CE9310000-0x0000020CE9311000-memory.dmp

Filesize
4KB

Download
memory/4008-4-0x0000020CEABD0000-0x0000020CEBBD0000-memory.dmp

Filesize
16.0MB

Download
memory/4008-34-0x0000020CEAEC0000-0x0000020CEAED0000-memory.dmp

Filesize
64KB

Download
memory/4008-35-0x0000020CEAE80000-0x0000020CEAE90000-memory.dmp

Filesize
64KB

Download
memory/4008-36-0x0000020CEAE90000-0x0000020CEAEA0000-memory.dmp

Filesize
64KB

Download
memory/4008-37-0x0000020CEAEA0000-0x0000020CEAEB0000-memory.dmp

Filesize
64KB

Download
memory/4008-38-0x0000020CEABD0000-0x0000020CEBBD0000-memory.dmp

Filesize
16.0MB

Download
memory/4008-39-0x0000020CEAEB0000-0x0000020CEAEC0000-memory.dmp

Filesize
64KB

Download
memory/4008-40-0x0000020CEAED0000-0x0000020CEAEE0000-memory.dmp

Filesize
64KB

Download
memory/4008-41-0x0000020CEAEE0000-0x0000020CEAEF0000-memory.dmp

Filesize
64KB

Download