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Analysis
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max time kernel
66s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
06/03/2023, 15:46
Static task
static1
Behavioral task
behavioral1
Sample
e-dekont-20230303-0.pdf.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
e-dekont-20230303-0.pdf.exe
Resource
win10v2004-20230220-en
General
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Target
e-dekont-20230303-0.pdf.exe
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Size
915KB
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MD5
b317c7d7a4511fdfbae78b7cb0ca4320
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SHA1
df8eff48a498fa3550e1c60395c5204dba7cbad5
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SHA256
8197e71791a36b364c735addbf05c9533530aae40f1c4d124d7ed098705d2a2f
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SHA512
d34a9fc75aa5a1cb3f539630bc6c17299036e1b3e59551769e27eef7479165eadb44036e579db9febf12083111d2c54ac971fff036fa24b72dbf5edb2dfa5906
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SSDEEP
24576:H1Qwe3cOQ8Q8+2QI08eFnuVI25ZMsRo+b:HBuQ8+2Q6eFnAI2XRo
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot5927276382:AAGhv1qf5Km1S52KrhPWDYFsGXK2Gr_4T7I/
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e-dekont-20230303-0.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e-dekont-20230303-0.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e-dekont-20230303-0.pdf.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows\CurrentVersion\Run\plQRn = "C:\\Users\\Admin\\AppData\\Roaming\\plQRn\\plQRn.exe" e-dekont-20230303-0.pdf.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 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1232 set thread context of 1116 1232 e-dekont-20230303-0.pdf.exe 32 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 768 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 1232 e-dekont-20230303-0.pdf.exe 1232 e-dekont-20230303-0.pdf.exe 1232 e-dekont-20230303-0.pdf.exe 1232 e-dekont-20230303-0.pdf.exe 1656 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1232 e-dekont-20230303-0.pdf.exe Token: SeDebugPrivilege 1116 e-dekont-20230303-0.pdf.exe Token: SeDebugPrivilege 1656 powershell.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1232 wrote to memory of 1656 1232 e-dekont-20230303-0.pdf.exe 28 PID 1232 wrote to memory of 1656 1232 e-dekont-20230303-0.pdf.exe 28 PID 1232 wrote to memory of 1656 1232 e-dekont-20230303-0.pdf.exe 28 PID 1232 wrote to memory of 1656 1232 e-dekont-20230303-0.pdf.exe 28 PID 1232 wrote to memory of 768 1232 e-dekont-20230303-0.pdf.exe 30 PID 1232 wrote to memory of 768 1232 e-dekont-20230303-0.pdf.exe 30 PID 1232 wrote to memory of 768 1232 e-dekont-20230303-0.pdf.exe 30 PID 1232 wrote to memory of 768 1232 e-dekont-20230303-0.pdf.exe 30 PID 1232 wrote to memory of 1116 1232 e-dekont-20230303-0.pdf.exe 32 PID 1232 wrote to memory of 1116 1232 e-dekont-20230303-0.pdf.exe 32 PID 1232 wrote to memory of 1116 1232 e-dekont-20230303-0.pdf.exe 32 PID 1232 wrote to memory of 1116 1232 e-dekont-20230303-0.pdf.exe 32 PID 1232 wrote to memory of 1116 1232 e-dekont-20230303-0.pdf.exe 32 PID 1232 wrote to memory of 1116 1232 e-dekont-20230303-0.pdf.exe 32 PID 1232 wrote to memory of 1116 1232 e-dekont-20230303-0.pdf.exe 32 PID 1232 wrote to memory of 1116 1232 e-dekont-20230303-0.pdf.exe 32 PID 1232 wrote to memory of 1116 1232 e-dekont-20230303-0.pdf.exe 32 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e-dekont-20230303-0.pdf.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e-dekont-20230303-0.pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e-dekont-20230303-0.pdf.exe"C:\Users\Admin\AppData\Local\Temp\e-dekont-20230303-0.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1232 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vrlaJIXKkDK.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1656
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vrlaJIXKkDK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCFCE.tmp"2⤵
- Creates scheduled task(s)
PID:768
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C:\Users\Admin\AppData\Local\Temp\e-dekont-20230303-0.pdf.exe"C:\Users\Admin\AppData\Local\Temp\e-dekont-20230303-0.pdf.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1116
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD5909d9148095dbb4839ac927811a6e7d4
SHA103b9d682757ff270699768f1e2946f222070924a
SHA256698f93eb4efb2caffeafa3c0e54268e4eff3d5b6af7ad2dfd8c50a8bb2cae6bf
SHA5124b2458a7f26a4c5c2900339c3260f50e5f6ea485dfdb27d371f073be84cf82b7be5716d155daef68a3404388721e294e76e28eb4e5611c512d8bfb1aaacd8725