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Analysis
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max time kernel
181s -
max time network
196s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
04/10/2022, 16:36
Static task
static1
Behavioral task
behavioral1
Sample
Purchase order.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
Purchase order.exe
Resource
win10v2004-20220812-en
General
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Target
Purchase order.exe
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Size
748KB
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MD5
cb79dcc14ef80b76b3232932f13fcb28
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SHA1
615f3aacb6c2577dd39c33e0d7839fdde1c42306
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SHA256
acb576edbe932e77bedba1dcbd7cbf32cad8ff85bd206cfb1957a8733b5b3385
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SHA512
943c06fa4372c1e1cf2c2dc60967aa83244b850cf0076b88d9384f75d81d108140337d1474196f0299056108fe20e650838130b346ce512b8cde1c310e429404
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SSDEEP
12288:DxbI2iNPGm2jZbaMDxSmiPIPexKi5ADqjJ5nC:e19Z2VbaMDPiP8/sjrC
Malware Config
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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation Purchase order.exe -
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-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase order.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase order.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase order.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4252 set thread context of 1756 4252 Purchase order.exe 88 -
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 1828 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4252 Purchase order.exe 1756 Purchase order.exe 1756 Purchase order.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4252 Purchase order.exe Token: SeDebugPrivilege 1756 Purchase order.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4252 wrote to memory of 1828 4252 Purchase order.exe 86 PID 4252 wrote to memory of 1828 4252 Purchase order.exe 86 PID 4252 wrote to memory of 1828 4252 Purchase order.exe 86 PID 4252 wrote to memory of 1756 4252 Purchase order.exe 88 PID 4252 wrote to memory of 1756 4252 Purchase order.exe 88 PID 4252 wrote to memory of 1756 4252 Purchase order.exe 88 PID 4252 wrote to memory of 1756 4252 Purchase order.exe 88 PID 4252 wrote to memory of 1756 4252 Purchase order.exe 88 PID 4252 wrote to memory of 1756 4252 Purchase order.exe 88 PID 4252 wrote to memory of 1756 4252 Purchase order.exe 88 PID 4252 wrote to memory of 1756 4252 Purchase order.exe 88 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase order.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase order.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4252 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IdsJsAXg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp75A8.tmp"2⤵
- Creates scheduled task(s)
PID:1828
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C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1756
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD5c13a81ecd666c61fb5cccdef80b08abf
SHA1eba3eea1e36dfb9719dc3a2329f02acd4b46dbbd
SHA256d035ee2432bf5f00e97a7fe6f9be2a8d289fa202fdd5e9be3e6223e2d44f00e9
SHA512f818a20942c08811be6638df26a6b797d3b0390e4224304ea549d4d5102588ef99db98c1568bd664fdda9f1ea0afcb16a4e9dd5bfe1780513bea05de85f7fb19