c2fc663f23d734380807de7b7f5897376cdc1e3cd547d51ab515a3a4e72ab073 | Triage

Analysis

max time kernel
140s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
22-06-2024 19:26

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General

Target

jars/NewLaunchLegacy.jar
Size

23KB
MD5

87cd4488ae5f1152e623857a4bf10604
SHA1

375877de65e4dadd240dd9690c01bb946fdaf082
SHA256

b2c4d10eb36cddac20b937f1d08a7f12baafc592ca626e8384b121fd10c200b2
SHA512

12815d2fa811bdc5946a725f6ed315a36dad55c2321d95ca667fff8df3b41493cc5d2039253064d684e9b8bf46fc3c26006e29d7d90f46285217c037e9239ea7
SSDEEP

384:KIVL46DQUfYeONPlSEaNp1jM8Buc6gd9rMgTbaD/8SOWlKxH:KIV+NlCp1jLGy9QgTuD/8SO2Kh

Score

7^/10

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

3724 icacls.exe
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

java.exe

description pid process target process

PID 2828 wrote to memory of 3724 2828 java.exe icacls.exe
PID 2828 wrote to memory of 3724 2828 java.exe icacls.exe

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\jars\NewLaunchLegacy.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:2828

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:3724

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=3964 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:8
1⤵
PID:4012

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/2828-2-0x00000193ED130000-0x00000193ED3A0000-memory.dmp

Filesize
2.4MB

Download
memory/2828-11-0x00000193EB8C0000-0x00000193EB8C1000-memory.dmp

Filesize
4KB

Download
memory/2828-13-0x00000193ED130000-0x00000193ED3A0000-memory.dmp

Filesize
2.4MB

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