6a4423b255e84f2d1ca58a153bd423517a5c7013e719061941416760f7ef49d3

Analysis

max time kernel
513s
max time network
645s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
17/04/2024, 15:08

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General

Target

Nurik/client_1_16_5/libraries/authlib-2.1.28.jar
Size

74KB
MD5

77445f0bfea9402cca525d31fff2e4c9
SHA1

ad54da276bf59983d02d5ed16fc14541354c71fd
SHA256

bae2283ec6afde9806142cd877b786123143ae50686fdd138ddb281b3de81d59
SHA512

3918dec7b2a7e9368948ff5c82cd06fef73a3d5fc2a9c2cf72bd43ebbec771d1c11cfedf377843a55e4d1e6360fa89eb5acc6375824cbf8777e5437e9bdf96c5
SSDEEP

1536:4/hwQB7wiwkZ6gXclWvRIn9b9tkoc4rCNXK2kR8iXpNLvA/6L8AZ611bojBgSdQs:40YZ6p4In9b1c4WNXCY6LZiM

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1200	icacls.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3476 wrote to memory of 1200	3476	java.exe	97
PID 3476 wrote to memory of 1200	3476	java.exe	97

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\authlib-2.1.28.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:3476
- 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:1200

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=5480 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:8
1⤵
PID:3180

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

memory/3476-2-0x000001B2A4CB0000-0x000001B2A5CB0000-memory.dmp

Filesize
16.0MB

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memory/3476-11-0x000001B2A34C0000-0x000001B2A34C1000-memory.dmp

Filesize
4KB

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