ec78dc52818e3f0ba1b0c8504fc199c5b0c17e5bd82b853e21dbd9dffe7d5266

Analysis

max time kernel
144s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2024, 20:31

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General

Target

401k-statement.PDF.jar
Size

96KB
MD5

00c6403b831a9a510743b7cb1f3edc62
SHA1

83cb65673aa680082875b7795d71a3923142adeb
SHA256

269ad9c64667ee8349c77e0917b256ec7b16cd256f02ba3fc7258b844a9742db
SHA512

01fe9f7ac1faace5a77f2f1121c76ce1f762a8cc5a6f1e03c44b2ebf642558c42ce7cf9caffb229d73dac927460b124c34ec8fad9bf2078411ce451a5243e6f2
SSDEEP

3072:g6XYBrmewh+tsLXyGZiv/JAlPu7HYnelp5BVHJ:g6QrmXXFIv/+YYeXLH

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2260	icacls.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3328 wrote to memory of 2260	3328	java.exe	98
PID 3328 wrote to memory of 2260	3328	java.exe	98

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\401k-statement.PDF.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:3328
- 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:2260

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=1316 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
1⤵
PID:3604

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

memory/3328-2-0x00000268600C0000-0x00000268610C0000-memory.dmp

Filesize
16.0MB

Download
memory/3328-11-0x000002685E800000-0x000002685E801000-memory.dmp

Filesize
4KB

Download
memory/3328-23-0x00000268600C0000-0x00000268610C0000-memory.dmp

Filesize
16.0MB

Download
memory/3328-25-0x00000268600C0000-0x00000268610C0000-memory.dmp

Filesize
16.0MB

Download
memory/3328-28-0x00000268600C0000-0x00000268610C0000-memory.dmp

Filesize
16.0MB

Download
memory/3328-34-0x00000268600C0000-0x00000268610C0000-memory.dmp

Filesize
16.0MB

Download
memory/3328-38-0x00000268600C0000-0x00000268610C0000-memory.dmp

Filesize
16.0MB

Download
memory/3328-41-0x00000268600C0000-0x00000268610C0000-memory.dmp

Filesize
16.0MB

Download
memory/3328-47-0x000002685E800000-0x000002685E801000-memory.dmp

Filesize
4KB

Download
memory/3328-48-0x000002685E800000-0x000002685E801000-memory.dmp

Filesize
4KB

Download
memory/3328-53-0x00000268600C0000-0x00000268610C0000-memory.dmp

Filesize
16.0MB

Download
memory/3328-71-0x00000268600C0000-0x00000268610C0000-memory.dmp

Filesize
16.0MB

Download
memory/3328-86-0x000002685E800000-0x000002685E801000-memory.dmp

Filesize
4KB

Download
memory/3328-89-0x00000268600C0000-0x00000268610C0000-memory.dmp

Filesize
16.0MB

Download
memory/3328-90-0x00000268600C0000-0x00000268610C0000-memory.dmp

Filesize
16.0MB

Download
memory/3328-93-0x00000268600C0000-0x00000268610C0000-memory.dmp

Filesize
16.0MB

Download
memory/3328-94-0x00000268600C0000-0x00000268610C0000-memory.dmp

Filesize
16.0MB

Download
memory/3328-97-0x00000268600C0000-0x00000268610C0000-memory.dmp

Filesize
16.0MB

Download
memory/3328-104-0x00000268600C0000-0x00000268610C0000-memory.dmp

Filesize
16.0MB

Download
memory/3328-106-0x00000268600C0000-0x00000268610C0000-memory.dmp

Filesize
16.0MB

Download
memory/3328-109-0x00000268600C0000-0x00000268610C0000-memory.dmp

Filesize
16.0MB

Download
memory/3328-117-0x00000268600C0000-0x00000268610C0000-memory.dmp

Filesize
16.0MB

Download
memory/3328-121-0x00000268600C0000-0x00000268610C0000-memory.dmp

Filesize
16.0MB

Download
memory/3328-136-0x00000268600C0000-0x00000268610C0000-memory.dmp

Filesize
16.0MB

Download