Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
18-09-2024 13:07
Static task
static1
Behavioral task
behavioral1
Sample
18092024 PDF.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
18092024 PDF.exe
Resource
win10v2004-20240802-en
General
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Target
18092024 PDF.exe
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Size
849KB
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MD5
7e7122557d4dcc0e0e39031aeee97570
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SHA1
ca1d7c0bd2ae735caa8df2ec50f6afec92b6e565
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SHA256
4753f11e296430bb40e328ad38fe44ecf72aafcdf12cfed22bf16d3f8a0ade34
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SHA512
4f74b2fa8f3b6b229c6b3f8c415536452a0501d1d3cda0fe77a9a3e9dde5ee41db44e072c584b9f8f2336b3214cde1a7a6e7d0dff9138212d16ae3aebd4fcf8e
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SSDEEP
12288:SKlllZcsZ6ahn6JZN08J734IAMdv2+p8HVzzuS+Q3czbWbtb+Ayt+1LmZ3K1K:DcmN6Jj0ibXv2+WD+Qeb0YAO+1W3K1K
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://inhanoi.net.vn - Port:
21 - Username:
[email protected] - Password:
^TSt3!FK$UBA
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2904 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation 18092024 PDF.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 18 api.ipify.org 19 api.ipify.org 22 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2432 set thread context of 1328 2432 18092024 PDF.exe 91 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 18092024 PDF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSBuild.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1328 MSBuild.exe 1328 MSBuild.exe 2904 powershell.exe 2904 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1328 MSBuild.exe Token: SeDebugPrivilege 2904 powershell.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2432 wrote to memory of 2904 2432 18092024 PDF.exe 89 PID 2432 wrote to memory of 2904 2432 18092024 PDF.exe 89 PID 2432 wrote to memory of 2904 2432 18092024 PDF.exe 89 PID 2432 wrote to memory of 1328 2432 18092024 PDF.exe 91 PID 2432 wrote to memory of 1328 2432 18092024 PDF.exe 91 PID 2432 wrote to memory of 1328 2432 18092024 PDF.exe 91 PID 2432 wrote to memory of 1328 2432 18092024 PDF.exe 91 PID 2432 wrote to memory of 1328 2432 18092024 PDF.exe 91 PID 2432 wrote to memory of 1328 2432 18092024 PDF.exe 91 PID 2432 wrote to memory of 1328 2432 18092024 PDF.exe 91 PID 2432 wrote to memory of 1328 2432 18092024 PDF.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\18092024 PDF.exe"C:\Users\Admin\AppData\Local\Temp\18092024 PDF.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2432 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\18092024 PDF.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2904
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1328
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82