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
Sample240320-hysersbc84
SHA256 8a56975848a1d89a620394b492ff9ee0c572b986c8823013c7c6ffc41b135626
MD5 72d880a48d6c4ae3c32f6a740dbfc60c
SHA1 33ab6e72cb5fcc5bb813214b5ca81602f2fb3a3e
SHA512 c2c396e3d3c785ca472a7776d447a69062e296a9f427dadf6d9c977d8fb6345066b4503d864a12ae4a488ce4d4cc6c14f17ef849388f869295b4cdcef0a10ee1
SSDEEP 3072:Yso1+wQs6Xf5uxo99SzQIHes6HaZshUSjRj55Ogem6Dwwxspzxn8:B7wgvcxo9931vR9KD8wxqV8
MD5 SHA1 SHA512 SSDEEP

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

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Downloads

3903daac9bc4a3b7.timestamp

Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
Size 46B
SHA256 943a3963d829725dba9d7d00eee008e30e270f8dedd485843880712097c0ea96
MD5 68c135dc2fcdf59b84a5a18c8e06389c
SHA1 ab217f7c7c4192afa03cd12b9e7749b603618b43
SHA512 879322fe9d410f68a6b91dc967d865d8373089944ecea07f5d5bd86d6a9b3eb18aaafb24dd09d69d7840527e2bfc8b427728f904e4380f95554515e9fe3678e8
MD5 SHA1 SHA512

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

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

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

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

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

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

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

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

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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