253d8dcbf9eccdf4ddf6f5357a654d6c2c06bf0eeadf22234b81d81a59c0d74a

Analysis

max time kernel
126s
max time network
139s
platform
windows10-1703_x64
resource
win10-20231020-en
resource tags

arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
submitted
15/11/2023, 13:11

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General

Target

lib/L1nc0In 13.jar
Size

108KB
MD5

df33bfd1a017a12fa71d3f77f846e398
SHA1

389af22de682aeb63e0538fbbb50d2530db016f4
SHA256

8b05e83ce7256220c8671d54f9188d9df6681d1476501851289c18cd08874fc4
SHA512

9fefce0dfbc976f3bc10966ceb0c6aea5858284aa0f9ab40370991d6f848b96389326c5e43e02ac579a9a5f7565cefd9cbde74874340c6721ff773cd241a0cf5
SSDEEP

1536:v+UHAC4dH/kO+E2+cfVgYMkDsEI4t8TEwYOSUZXiYeuaRgHfNnScsul0/8Buv9:nA/HB+E2+aGkYE5wYOXX2uayH0v6m

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
5108	icacls.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1268 wrote to memory of 5108	1268	java.exe	72
PID 1268 wrote to memory of 5108	1268	java.exe	72

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar "C:\Users\Admin\AppData\Local\Temp\lib\L1nc0In 13.jar"
1⤵
- Suspicious use of WriteProcessMemory
PID:1268
- 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:5108

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
2bcdf708de7429c87288c7dd4d479e7d

SHA1
281c23712b3a86d673c3b87b82507b20a2db2611

SHA256
bb46155ccd1d4ad8d4186d4059fd286867871e6ac4d77dcd66f36c3c439d535d

SHA512
01fa370023c5227a97ed7183b29e6e5b091145bd3d42b08a8166a134a53a50e5465a6b34119798b1bb38f4938495e80b07e4466543cc0e3b452e6f52b5019f59

Download Submit
memory/1268-4-0x0000023BB3570000-0x0000023BB4570000-memory.dmp

Filesize
16.0MB

Download
memory/1268-12-0x0000023BB3550000-0x0000023BB3551000-memory.dmp

Filesize
4KB

Download