Analysis
- max time kernel
141s - max time network
158s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
13/06/2024, 03:03
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
PO76389.exe
Resource
win7-20240611-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
PO76389.exe
Resource
win10v2004-20240226-en
11 signatures
150 seconds
General
- Target PO76389.exe
- Size 1.2MB
- Sample240613-dkcpyawbkp
- SHA256 393ddb1c4271fcef3f339112fe1e9b60a508e56ed448d9d1a9838d31658309ca
- MD5 0e84b409a058e1396356ab9659cd0b4b
- SHA1 500a6c328e68e2e979b76193a67519ff59ed1f61
- SHA512 1ce58390a637c61a1b1b3e5a11a95c3879014723b1d15f55ac1cdcea89bf56923ed5d2d1e1a5eefb6bb688c06daa46cc884c094161667c7196f64334d4b97d2a
- SSDEEP 24576:3AHnh+eWsN3skA4RV1Hom2KXMmHaM+rA2xE7hVSRBrBR9p5:qh+ZkldoPK8YaM2E72RB9Rl
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YxAesh = "C:\\Users\\Admin\\AppData\\Roaming\\YxAesh\\YxAesh.exe" RegSvcs.exe - Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 10 api.ipify.org 9 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4664 set thread context of 640 4664 PO76389.exe 91 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 640 RegSvcs.exe 640 RegSvcs.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4664 PO76389.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 640 RegSvcs.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4664 PO76389.exe 4664 PO76389.exe - Suspicious use of SendNotifyMessage 2 IoCs
pid Process 4664 PO76389.exe 4664 PO76389.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 640 RegSvcs.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4664 wrote to memory of 640 4664 PO76389.exe 91 PID 4664 wrote to memory of 640 4664 PO76389.exe 91 PID 4664 wrote to memory of 640 4664 PO76389.exe 91 PID 4664 wrote to memory of 640 4664 PO76389.exe 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO76389.exe"C:\Users\Admin\AppData\Local\Temp\PO76389.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4664 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\PO76389.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:640
-
-
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=4264 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:81⤵PID:5960
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\aut267E.tmp
- Size 262KB
- SHA256 5733b778b02287f7380fcc33cc6222efe7793004ed9b4cdc2369110f958683cd
- MD5 cb6b3e076e2a8a04a8a68635163c950e
- SHA1 d334901c008a617c8649e4a88f3952ce6aa104f5
- SHA512 2a90b7b5243161c67820791d95b1afa90faa061e44e96b52336c9b90866aeeadca143f0242ecdc77faf9a82603d4ecdc1d44393fde60470e2c8113d9d6e422f1
- SSDEEP 6144:L13cZxGjX71OB4EIFWPdmpif2MMZRGLgxoHhb9FRmy71Mxfwwb:R3cZxG3f9fk2MMYBbkyrO
- MD5 SHA1 SHA512 SSDEEP