8a56975848a1d89a620394b492ff9ee0c572b986c8823013c7c6ffc41b135626

Analysis

max time kernel
130s
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
20/03/2024, 07:09

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General

Target

SOA FROM UNIBEST--JAN-FEB- 2024.jar
Size

182KB
MD5

72d880a48d6c4ae3c32f6a740dbfc60c
SHA1

33ab6e72cb5fcc5bb813214b5ca81602f2fb3a3e
SHA256

8a56975848a1d89a620394b492ff9ee0c572b986c8823013c7c6ffc41b135626
SHA512

c2c396e3d3c785ca472a7776d447a69062e296a9f427dadf6d9c977d8fb6345066b4503d864a12ae4a488ce4d4cc6c14f17ef849388f869295b4cdcef0a10ee1
SSDEEP

3072:Yso1+wQs6Xf5uxo99SzQIHes6HaZshUSjRj55Ogem6Dwwxspzxn8:B7wgvcxo9931vR9KD8wxqV8

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2536	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\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\symbols\dll\ntdll.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\ntdll.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\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\server\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\dll\jvm.pdb	java.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5056 wrote to memory of 2536	5056	java.exe	90
PID 5056 wrote to memory of 2536	5056	java.exe	90

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar "C:\Users\Admin\AppData\Local\Temp\SOA FROM UNIBEST--JAN-FEB- 2024.jar"
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:5056
- 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:2536

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

C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

Filesize
46B

MD5
68c135dc2fcdf59b84a5a18c8e06389c

SHA1
ab217f7c7c4192afa03cd12b9e7749b603618b43

SHA256
943a3963d829725dba9d7d00eee008e30e270f8dedd485843880712097c0ea96

SHA512
879322fe9d410f68a6b91dc967d865d8373089944ecea07f5d5bd86d6a9b3eb18aaafb24dd09d69d7840527e2bfc8b427728f904e4380f95554515e9fe3678e8

Download Submit
memory/5056-4-0x000001EC00000000-0x000001EC01000000-memory.dmp

Filesize
16.0MB

Download
memory/5056-18-0x000001EC00000000-0x000001EC01000000-memory.dmp

Filesize
16.0MB

Download
memory/5056-19-0x000001EC72320000-0x000001EC72321000-memory.dmp

Filesize
4KB

Download
memory/5056-25-0x000001EC00290000-0x000001EC002A0000-memory.dmp

Filesize
64KB

Download
memory/5056-26-0x000001EC00000000-0x000001EC01000000-memory.dmp

Filesize
16.0MB

Download
memory/5056-27-0x000001EC002A0000-0x000001EC002B0000-memory.dmp

Filesize
64KB

Download
memory/5056-28-0x000001EC002B0000-0x000001EC002C0000-memory.dmp

Filesize
64KB

Download
memory/5056-29-0x000001EC002C0000-0x000001EC002D0000-memory.dmp

Filesize
64KB

Download