c84c5ce4bbb661369ccd4c7b99682027598a0fb2e3d63a84259dbe5c0bf1f949

Analysis

max time kernel
133s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
25/05/2024, 12:08

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General

Target

log4j-over-slf4j.jar
Size

23KB
MD5

fb818c7981d842875905587a61f2b942
SHA1

a87bb47468f47ee7aabbd54f93e133d4215769c3
SHA256

c84c5ce4bbb661369ccd4c7b99682027598a0fb2e3d63a84259dbe5c0bf1f949
SHA512

0903a65cc6521f31226a4ed80816a334c6a0b8432fbc6d09c4cb99db246edd39374c6f57727e7838e89465916f7e3fbd29fd75e56040b722a2aac04c240e90e9
SSDEEP

384:Yz7k3p4hoDoJK2meb9Wc6+thoqAStYvz7DDzh55dSHziR:AkjqZZPuqirh55E2

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4476	icacls.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2960 wrote to memory of 4476	2960	java.exe	91
PID 2960 wrote to memory of 4476	2960	java.exe	91

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\log4j-over-slf4j.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:2960
- 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:4476

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 --field-trial-handle=3404,i,1999448010053300448,1112699187621658374,262144 --variations-seed-version --mojo-platform-channel-handle=4532 /prefetch:8
1⤵
PID:5064

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
da044feba0b407c9657c878b4cb94493

SHA1
3419f8afe8c96dec08dfe205f73a3f6847f75cf6

SHA256
36680f457093d38fa43a2ee607114c84afbdf5ae4c74083996960477deb24777

SHA512
f5a5bec3e021e4fc7e74c420ee5c03817cd1964057bcbf9b70f6f5edd5be8a75a4db3ea1f4828c108f7a37b210a1571d4f7ddde6c4aeb260cd1eaa04cbdf983d

Download Submit
memory/2960-2-0x000001871C180000-0x000001871C3F0000-memory.dmp

Filesize
2.4MB

Download
memory/2960-12-0x000001871C160000-0x000001871C161000-memory.dmp

Filesize
4KB

Download
memory/2960-13-0x000001871C180000-0x000001871C3F0000-memory.dmp

Filesize
2.4MB

Download