Resubmissions
28/06/2026, 07:21
260628-h6pc3sf19m728/06/2026, 07:17
260628-h4ljeafz7s728/06/2026, 06:40
260628-hfmfssf13p7Analysis
- user interaction
yes - max time kernel
40s - max time network
41s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260618-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
28/06/2026, 06:40
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
agent.exe
Resource
win11ltsc2024-20260618-en
4 signatures
150 seconds
General
- Target agent.exe
- Size 8.4MB
- Sample260628-hfmfssf13p
- SHA256 191e683474dface925400dc123b8fd94daf16239b3d35ed67ffabb005011ef1e
- MD5 598a9f0851ca208c95e4ee353d955bd8
- SHA1 5854468099ec61bbd814445dfa2131e57e7ba6a0
- SHA512 8ae20ff8697e6c68a3c3c1a6b43c83836c0f469ec719c7821a2f7e01d26c8f167669832c736cd573d283cb67dba365b15284ef1dc1ed8f670be630b9bf6bc118
- SSDEEP 98304:dWVVQqxoPegzuDk1APEozCSMdwzpPY3MXDtrWFmHFUE2+:dCez1AMoeSMdwdzXREmH
- TLSH T16C967B03EDA515E9C1AEE2318AA29223BB717C494B3163D71B50F6283F77BD06DB9350
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 4860 My Agent.exe 4636 My Agent.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4274393721-1801116158-3678143273-1000\Software\Microsoft\Windows\CurrentVersion\Run\My Agent.exe = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate\\My Agent.exe" My Agent.exe Set value (str) \REGISTRY\USER\S-1-5-21-4274393721-1801116158-3678143273-1000\Software\Microsoft\Windows\CurrentVersion\Run\My Agent.exe = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate\\My Agent.exe" My Agent.exe - Contacts third-party web service commonly abused for C2 1 TTPs 3 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
flow ioc 1 pastebin.com 5 pastebin.com 8 pastebin.com - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5740 wrote to memory of 4860 5740 agent.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\agent.exe"C:\Users\Admin\AppData\Local\Temp\agent.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:5740 -
C:\Users\Admin\AppData\Roaming\WindowsUpdate\My Agent.exe"C:\Users\Admin\AppData\Roaming\WindowsUpdate\My Agent.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
PID:4860
-
-
C:\Users\Admin\AppData\Roaming\WindowsUpdate\My Agent.exe"C:\Users\Admin\AppData\Roaming\WindowsUpdate\My Agent.exe"1⤵
- Executes dropped EXE
- Adds Run key to start application
PID:4636
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\WindowsUpdate\My Agent.exe
- Size 8.4MB
- SHA256 191e683474dface925400dc123b8fd94daf16239b3d35ed67ffabb005011ef1e
- MD5 598a9f0851ca208c95e4ee353d955bd8
- SHA1 5854468099ec61bbd814445dfa2131e57e7ba6a0
- SHA512 8ae20ff8697e6c68a3c3c1a6b43c83836c0f469ec719c7821a2f7e01d26c8f167669832c736cd573d283cb67dba365b15284ef1dc1ed8f670be630b9bf6bc118
- SSDEEP 98304:dWVVQqxoPegzuDk1APEozCSMdwzpPY3MXDtrWFmHFUE2+:dCez1AMoeSMdwdzXREmH
- TLSH T16C967B03EDA515E9C1AEE2318AA29223BB717C494B3163D71B50F6283F77BD06DB9350
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\WindowsUpdate\id
- Size 32B
- SHA256 a9bc3380607c27cb88caf09570eddf9686724fe3a51aef2b58b0bf8a573e8cab
- MD5 75b3fad091489fa2f5dd094078376e60
- SHA1 1e9623b950289f6967aad2b28798f73ed0c8fffb
- SHA512 921ce06fa0b6ece6eb15258ba6d19dff3a8e4a1b3628724e4cd1f1a0bcc5fd66fef9ab8c3a22593e195d32242a35dd9e7cad2eaa79215e2c3fae08e3ee11d85b
- MD5 SHA1 SHA512