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Analysis
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max time kernel
190s -
max time network
210s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-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
Extracted
Protocol: smtp- Host:
mail.hussain-co.com - Port:
587 - Username:
[email protected] - Password:
%%finance_@2018%
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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase order.exe Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase order.exe Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase order.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1900 set thread context of 1664 1900 Purchase order.exe 30 -
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 1204 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1900 Purchase order.exe 1900 Purchase order.exe 1664 Purchase order.exe 1664 Purchase order.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1900 Purchase order.exe Token: SeDebugPrivilege 1664 Purchase order.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1900 wrote to memory of 1204 1900 Purchase order.exe 27 PID 1900 wrote to memory of 1204 1900 Purchase order.exe 27 PID 1900 wrote to memory of 1204 1900 Purchase order.exe 27 PID 1900 wrote to memory of 1204 1900 Purchase order.exe 27 PID 1900 wrote to memory of 1968 1900 Purchase order.exe 29 PID 1900 wrote to memory of 1968 1900 Purchase order.exe 29 PID 1900 wrote to memory of 1968 1900 Purchase order.exe 29 PID 1900 wrote to memory of 1968 1900 Purchase order.exe 29 PID 1900 wrote to memory of 1664 1900 Purchase order.exe 30 PID 1900 wrote to memory of 1664 1900 Purchase order.exe 30 PID 1900 wrote to memory of 1664 1900 Purchase order.exe 30 PID 1900 wrote to memory of 1664 1900 Purchase order.exe 30 PID 1900 wrote to memory of 1664 1900 Purchase order.exe 30 PID 1900 wrote to memory of 1664 1900 Purchase order.exe 30 PID 1900 wrote to memory of 1664 1900 Purchase order.exe 30 PID 1900 wrote to memory of 1664 1900 Purchase order.exe 30 PID 1900 wrote to memory of 1664 1900 Purchase order.exe 30 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\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-1-5-21-2292972927-2705560509-2768824231-1000\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⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1900 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IdsJsAXg" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF6BE.tmp"2⤵
- Creates scheduled task(s)
PID:1204
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C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"{path}"2⤵PID:1968
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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:1664
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD50c6d529043ead25dbfda15255c7db31e
SHA15e5a56f1e69fa9601b8cda62669831fd6538fff8
SHA256e7e44123f5b796113fdfe35ddb429e0ef64f846f62d1bc26a9cd550c5d54c87d
SHA512ccdbdcf926aefe2cfb1943274ebc6b20bbb84d458ee75ec29a480fa133f2a79832d6cc47f4d18bbdb6d7a720ed933bf9f9cc1ec528663f170c88a108deb8c37f