Analysis
- max time kernel
143s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
29/02/2024, 14:12
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
documents.exe
Resource
win7-20240221-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
documents.exe
Resource
win10v2004-20240226-en
12 signatures
150 seconds
General
- Target documents.exe
- Size 1.0MB
- Sample240229-rhtsbsca26
- SHA256 886f846b4e04fd7074fcffe077c857f75656c41a8fb08d7738b1b5fc64e77aba
- MD5 2cf688f3a245c1d9eb0db4e7a8b1e516
- SHA1 30e3c3db3e0139b14752d79d63f36b5108f8c2e2
- SHA512 3652b4b0e29903725e3923b693cf843322cf3dc90d0a1090debc95f2277b35816e06534d407c4649d7b279a64b64206ab7cbb36e660f426ae9afb42186144f78
- SSDEEP 24576:1tb20pkaCqT5TBWgNQ7aNXOpif9ibpIPo3w6A:mVg5tQ7aNe4fg1M5
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.awelleh3.top
-
Port
587
-
Username
-
Password
54x%ex3wbV$1
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 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 37 api.ipify.org 38 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4072 set thread context of 2724 4072 documents.exe 100 - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2724 RegSvcs.exe 2724 RegSvcs.exe 2724 RegSvcs.exe - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 4072 documents.exe 4072 documents.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2724 RegSvcs.exe - Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 4072 documents.exe 4072 documents.exe 4072 documents.exe - Suspicious use of SendNotifyMessage 3 IoCs
pid Process 4072 documents.exe 4072 documents.exe 4072 documents.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4072 wrote to memory of 2724 4072 documents.exe 100 PID 4072 wrote to memory of 2724 4072 documents.exe 100 PID 4072 wrote to memory of 2724 4072 documents.exe 100 PID 4072 wrote to memory of 2724 4072 documents.exe 100 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\documents.exe"C:\Users\Admin\AppData\Local\Temp\documents.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4072 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\documents.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2724
-
-
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=1416 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:81⤵PID:5000