6a4423b255e84f2d1ca58a153bd423517a5c7013e719061941416760f7ef49d3

Analysis

max time kernel
369s
max time network
444s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17/04/2024, 15:08

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General

Target

Nurik/client_1_16_5/libraries/brigadier-1.0.17.jar
Size

75KB
MD5

fe87deeb6e062d678d2bff623fe4e2b9
SHA1

c6b7dc51dd44379cc751b7504816006e9be4b1e6
SHA256

296b69b63f3d2a2092bf94fa12add4deb89e7d1f977157f7ee1b6b6d0fd52a58
SHA512

f0ba79c688a08a48f16bd5877f56b00281ef1b98549277a3301385a507aef4c708499427cc3be906aebc49c564b93a23f2e6fbfe34c85d6afac3769252eb169c
SSDEEP

1536:y6Scqon8W7DPx9p9ILbXuxIj0aD0aDFYSbeFNF7:Iw8gdfxISaDFYEGH

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4436	icacls.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 4436	2556	java.exe	83
PID 2556 wrote to memory of 4436	2556	java.exe	83

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\Nurik\client_1_16_5\libraries\brigadier-1.0.17.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:2556
- 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:4436

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
3c603e76d06b1fb85fa8e8469330c98b

SHA1
f59beb590a73eeb299560d9c9e209f3af95878ef

SHA256
7ce802cc0103416e490deee04415a0ba0530b03f2080e8bfe86f46c1bbb5602f

SHA512
c077a63461862d8006c6ec083feeecf31367a5885105bd648e1fdb6a41dcccb98662eeef0d586979d1635b62dc4a2fae2fc3184737aae9805b64eeae372856e3

Download Submit
memory/2556-3-0x00000198B1160000-0x00000198B2160000-memory.dmp

Filesize
16.0MB

Download
memory/2556-12-0x00000198AF990000-0x00000198AF991000-memory.dmp

Filesize
4KB

Download
memory/2556-13-0x00000198B1160000-0x00000198B2160000-memory.dmp

Filesize
16.0MB

Download