fb0e207a197c528ecffb57fc9f88b0ede2aca81ecc0b3991692e69c045b87ab6

Analysis

max time kernel
146s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240319-en
resource tags

arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
submitted
04/04/2024, 19:48

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General

Target

DummyMod.jar
Size

32KB
MD5

fcbb4656fcd9bebe4c69f4c84701289e
SHA1

77ae10c019948bf1aec61b266e870609d8481058
SHA256

def6e04f8ecb9b506447dc52ec0aa8e310c02463caaeb7f73955b612af59c252
SHA512

6926bf60254f9af1ef1050709a75539edd3008c15c329e3562b38ed065d3f9fe27f4a2f81bc9e2e544194fe0dea6fa2af13395a1d74652dfb9445325562a33fc
SSDEEP

768:VuUHhxQIl3v9/slv8dlEqu/ycv1ESF7LVB1znsJ6ZRjZ4mMN06dG4:VuUHhxXl3mlv8dlEquCOL5sJuRjZ/U0m

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2684	icacls.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2920 wrote to memory of 2684	2920	java.exe	95
PID 2920 wrote to memory of 2684	2920	java.exe	95

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\DummyMod.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:2920
- 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:2684

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=3996 --field-trial-handle=2228,i,17475224967547320003,13667387715861799238,262144 --variations-seed-version /prefetch:8
1⤵
PID:5096

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
fb31c3e878982e607397603e0bc05f0a

SHA1
d6dfd453e69909733038ed87b1f96217cf2becd6

SHA256
e98cda5a34b4ee37ea439b2a00213073ad3b7beb18f2d44061807867b757dd4a

SHA512
7f9ac02108f860103c40e8cc9420f679d3aea3efad01f8e05c655d6bedc14dc89c6811a6d86df6ccfcfc5ff1af00ed1ac2da8b2cd8c967bc0c30ed9b8866f675

Download Submit
memory/2920-4-0x0000028980000000-0x0000028981000000-memory.dmp

Filesize
16.0MB

Download
memory/2920-12-0x00000289FEC00000-0x00000289FEC01000-memory.dmp

Filesize
4KB

Download