Analysis
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max time kernel
133s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
14/03/2023, 07:41
Static task
static1
Behavioral task
behavioral1
Sample
Payment copy.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Payment copy.exe
Resource
win10v2004-20230220-en
General
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Target
Payment copy.exe
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Size
635KB
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MD5
758739dc69bea1dbffeb64a16adbba73
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SHA1
5ab3aac44c8bc50082ad557df368549a3c10e7e4
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SHA256
dcbf2a46595f5714137faa5d4950067eb1b1e5259c2bce2a75f853a73303d45f
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SHA512
2096fddf3b59a51673ab236964866699ac20522fe19c084c03cf9368a9154ef393d0a731b9c653bfdaeba9e393f0eb3320cee70abbba5935fa28ce528d2dfa00
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SSDEEP
12288:UnE5BhWH78QM8F2yf8mnpA9JXKBO4wl363Y8fo:UnE5KbXPddA3XGW363YKo
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot5663632223:AAG5KHZDs7KWoaqTYx3lSyFlOdfD9vGegQo/
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation Payment copy.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\My App = "C:\\Users\\Admin\\AppData\\Roaming\\My App\\My App.exe" MSBuild.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 47 api.ipify.org 48 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 396 set thread context of 2608 396 Payment copy.exe 92 -
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 992 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 396 Payment copy.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 396 Payment copy.exe Token: SeDebugPrivilege 2608 MSBuild.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 396 wrote to memory of 992 396 Payment copy.exe 90 PID 396 wrote to memory of 992 396 Payment copy.exe 90 PID 396 wrote to memory of 992 396 Payment copy.exe 90 PID 396 wrote to memory of 2608 396 Payment copy.exe 92 PID 396 wrote to memory of 2608 396 Payment copy.exe 92 PID 396 wrote to memory of 2608 396 Payment copy.exe 92 PID 396 wrote to memory of 2608 396 Payment copy.exe 92 PID 396 wrote to memory of 2608 396 Payment copy.exe 92 PID 396 wrote to memory of 2608 396 Payment copy.exe 92 PID 396 wrote to memory of 2608 396 Payment copy.exe 92 PID 396 wrote to memory of 2608 396 Payment copy.exe 92 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Payment copy.exe"C:\Users\Admin\AppData\Local\Temp\Payment copy.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:396 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ToLzCL" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE38F.tmp"2⤵
- Creates scheduled task(s)
PID:992
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2608
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD521061284d01d4b95b99ffe828c57d258
SHA11ed836d5ed6e7c96ef16d91114966d9a38647eb3
SHA25638cff5ace9004df5f5d10c6ef4743b8b239ab872605be0122f6abe1e6c422e17
SHA5121a77275bac9c1fda030c43ba771a1981503c9bcbb8eee4fab4ed0167624a3e84bc22348404df6ff59202615b58c98362d473f0d32a7e67e784891eca3291402d