ee5420e42f0a24abc94f91a63dcf822e21eee1536b815972bfcac06e7a2d9cfd

Analysis

max time kernel
149s
max time network
151s
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 00:41

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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

2968 icacls.exe

pid	process
2968	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\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\server\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\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\symbols\dll\jvm.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

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

java.exe

description pid process target process

PID 2088 wrote to memory of 2968 2088 java.exe icacls.exe
PID 2088 wrote to memory of 2968 2088 java.exe icacls.exe

description	pid	process	target process
PID 2088 wrote to memory of 2968	2088	java.exe	icacls.exe
PID 2088 wrote to memory of 2968	2088	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:2088

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:2968

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

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Downloads

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

MD5
540aee89e64a2373cac5faa3f1ba44a2

SHA1
4ca5027a7d3473967c03aeea63ccff08355f211c

SHA256
442993409453ae0ef76dd876415ab1d551e83342a041ce21b4301b2f6f90285e

SHA512
bdbe5056bc30787b212da6eec2951ec900eda483678977622d9e0d8f76448dc3aeb6536035a08a459b48d5674d2a6717c58702a840fd5f163797aa048269ab7d

Download Submit
memory/2088-74-0x000002A19E040000-0x000002A19E041000-memory.dmp

Filesize
4KB

Download
memory/2088-17-0x000002A19E060000-0x000002A19F060000-memory.dmp

Filesize
16.0MB

Download
memory/2088-128-0x000002A19E060000-0x000002A19F060000-memory.dmp

Filesize
16.0MB

Download
memory/2088-29-0x000002A19E040000-0x000002A19E041000-memory.dmp

Filesize
4KB

Download
memory/2088-28-0x000002A19E060000-0x000002A19F060000-memory.dmp

Filesize
16.0MB

Download
memory/2088-36-0x000002A19E060000-0x000002A19F060000-memory.dmp

Filesize
16.0MB

Download
memory/2088-43-0x000002A19E060000-0x000002A19F060000-memory.dmp

Filesize
16.0MB

Download
memory/2088-47-0x000002A19E060000-0x000002A19F060000-memory.dmp

Filesize
16.0MB

Download
memory/2088-132-0x000002A19E060000-0x000002A19F060000-memory.dmp

Filesize
16.0MB

Download
memory/2088-6-0x000002A19E060000-0x000002A19F060000-memory.dmp

Filesize
16.0MB

Download
memory/2088-183-0x000002A19E060000-0x000002A19F060000-memory.dmp

Filesize
16.0MB

Download
memory/2088-12-0x000002A19E040000-0x000002A19E041000-memory.dmp

Filesize
4KB

Download
memory/2088-49-0x000002A19E040000-0x000002A19E041000-memory.dmp

Filesize
4KB

Download
memory/2088-137-0x000002A19E060000-0x000002A19F060000-memory.dmp

Filesize
16.0MB

Download
memory/2088-142-0x000002A19E060000-0x000002A19F060000-memory.dmp

Filesize
16.0MB

Download
memory/2088-143-0x000002A19E060000-0x000002A19F060000-memory.dmp

Filesize
16.0MB

Download
memory/2088-144-0x000002A19E060000-0x000002A19F060000-memory.dmp

Filesize
16.0MB

Download
memory/2088-150-0x000002A19E060000-0x000002A19F060000-memory.dmp

Filesize
16.0MB

Download
memory/2088-156-0x000002A19E060000-0x000002A19F060000-memory.dmp

Filesize
16.0MB

Download
memory/2088-167-0x000002A19E060000-0x000002A19F060000-memory.dmp

Filesize
16.0MB

Download
memory/2088-177-0x000002A19E060000-0x000002A19F060000-memory.dmp

Filesize
16.0MB

Download
memory/2088-107-0x000002A19E040000-0x000002A19E041000-memory.dmp

Filesize
4KB

Download