aa3c568c88329c4dd471492c0db25a6c299b4346562d63e850e3064902d86d69

Analysis

max time kernel
594s
max time network
626s
platform
windows10-2004_x64
resource
win10v2004-20240226-es
resource tags

arch:x64arch:x86image:win10v2004-20240226-eslocale:es-esos:windows10-2004-x64systemwindows
submitted
11/03/2024, 10:06

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General

Target

jars/JavaCheck.jar
Size

1KB
MD5

b7b48051f47b0f34db559d90de94815c
SHA1

1c663d7bf62ca5e56206426874c39e0179a1bc50
SHA256

01bfea23e2c9fb63d14c60eac452ffe1426d6265beb0478e4d5b539c0f03da98
SHA512

7d0d45d523e202dbf236a9fd84241fffec09e7be3a1e40ebff9efe4f8bcd1fa9cde6b843c68a65bf536bfc5b44a6354c8736a67e66d5007223d6bfad7152f752

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4384	icacls.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1500 wrote to memory of 4384	1500	java.exe	92
PID 1500 wrote to memory of 4384	1500	java.exe	92

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\jars\JavaCheck.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:1500
- 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:4384

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=es --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4048 --field-trial-handle=2236,i,9620146984988173115,9029267257062987797,262144 --variations-seed-version /prefetch:8
1⤵
PID:2996

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=es --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4024 --field-trial-handle=2236,i,9620146984988173115,9029267257062987797,262144 --variations-seed-version /prefetch:8
1⤵
PID:3428

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
4ec0537fd0a044cbfec29f85de4efbfb

SHA1
e43d4492ff6fbcfd517d6a6d056c7d9c9dd7b236

SHA256
ec2b382656af0f0d38f8f32d0dbd146c3f88e065d96f535e54eb3c92999a332f

SHA512
9f887736e71c674f8e5cd221252b8c0f3295a4e0b522b42f02b350d480a198348798056e132880c48d2c91743185f8baff93c37c645a8676f8d73519e74045d3

Download Submit
memory/1500-5-0x00000200E5DC0000-0x00000200E6DC0000-memory.dmp

Filesize
16.0MB

Download
memory/1500-11-0x00000200E4390000-0x00000200E4391000-memory.dmp

Filesize
4KB

Download
memory/1500-13-0x00000200E5DC0000-0x00000200E6DC0000-memory.dmp

Filesize
16.0MB

Download