e06f76599cb5c522b9e739db71afd98be6d77807a5eeb610dfa12c16730b7e14

Analysis

max time kernel
143s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 13:55

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General

Target

W-j.jar
Size

18KB
MD5

fd4fec8af65aec693c35c504d9eb74e3
SHA1

e26f5d45bd856d98cbe1398109d5ac219b46d125
SHA256

532cb95e2ea50298afb02ab0d7ca1cb60a014dd6432b5150efcbb5237199818a
SHA512

441f17a6b8d3d3351de46c463983373e8a17a83e369f0b1eb68d7f134b391c454a04a2cdd21430e338bbeba5dac927aca9a2f3d1bbf13f0df35e5a5055f90c26
SSDEEP

384:nv7fagWyX/1XMDj6INAIbPvtnCdHUxDG2YBcYb/ln/ZYnP3:nv7faC/9MDjXG2GvBc0/V/k3

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4860	icacls.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4380 wrote to memory of 4860	4380	java.exe	34
PID 4380 wrote to memory of 4860	4380	java.exe	34

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\W-j.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:4380
- 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:4860

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

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Downloads

C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

Filesize
46B

MD5
69573d7ac3486fd8df9b6213709ba3b4

SHA1
26ae17142f13c3c73f4b9d914879bcbe85545004

SHA256
9acb4eadbf747c191361c5b874ce3e8e61c36dd9af45b7202794637834315203

SHA512
3a8980661d642b9a8bf916c7c87c60274750b817ea178fd92148174e1ffaa8c602c13ffd0eac800df5fe5242afaedb4744b9c0d1ea8c3fd278008f8672b5fc1c

Download Submit
memory/4380-3-0x0000021700000000-0x0000021701000000-memory.dmp

Filesize
16.0MB

Download
memory/4380-11-0x000002177CA30000-0x000002177CA31000-memory.dmp

Filesize
4KB

Download
memory/4380-13-0x0000021700000000-0x0000021701000000-memory.dmp

Filesize
16.0MB

Download