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Analysis
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max time kernel
132s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
16/04/2023, 12:08
Static task
static1
Behavioral task
behavioral1
Sample
PO#7A68D20.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
PO#7A68D20.exe
Resource
win10v2004-20230220-en
General
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Target
PO#7A68D20.exe
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Size
836KB
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MD5
b1e8f872bb44b3374f9316e7a0c92a33
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SHA1
948a5abbae5d5a92e32b8cd3bd94aaa6d8194d97
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SHA256
dda4f1a46d2cdb061159193b085f33cdade6e69c1d25b1fb41dfabbc1f84c5fb
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SHA512
58dfde3efdd97f54f64f8eebf55b46a537f6e7e312cbbffda1eb1649a8134a4047d93166345bdc1f33b8d1e14c76c30ec27282a5ffd51cf408fc8a229de93044
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SSDEEP
12288:QyrEFmaPEQ3OSuzqHu2XN7NzLEjTfBRfQlTIq0tvIW2e8i2Z:QJMU7NzLEvfBRYCIW242Z
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.expertsconsultgh.co - Port:
587 - Username:
[email protected] - Password:
Oppong.2012 - Email To:
[email protected]
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-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation PO#7A68D20.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-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO#7A68D20.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO#7A68D20.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO#7A68D20.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2208 set thread context of 3372 2208 PO#7A68D20.exe 94 -
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 2888 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2208 PO#7A68D20.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2208 PO#7A68D20.exe Token: SeDebugPrivilege 3372 PO#7A68D20.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2208 wrote to memory of 2888 2208 PO#7A68D20.exe 92 PID 2208 wrote to memory of 2888 2208 PO#7A68D20.exe 92 PID 2208 wrote to memory of 2888 2208 PO#7A68D20.exe 92 PID 2208 wrote to memory of 3372 2208 PO#7A68D20.exe 94 PID 2208 wrote to memory of 3372 2208 PO#7A68D20.exe 94 PID 2208 wrote to memory of 3372 2208 PO#7A68D20.exe 94 PID 2208 wrote to memory of 3372 2208 PO#7A68D20.exe 94 PID 2208 wrote to memory of 3372 2208 PO#7A68D20.exe 94 PID 2208 wrote to memory of 3372 2208 PO#7A68D20.exe 94 PID 2208 wrote to memory of 3372 2208 PO#7A68D20.exe 94 PID 2208 wrote to memory of 3372 2208 PO#7A68D20.exe 94 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO#7A68D20.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO#7A68D20.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO#7A68D20.exe"C:\Users\Admin\AppData\Local\Temp\PO#7A68D20.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2208 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TcQzOQKIsu" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF523.tmp"2⤵
- Creates scheduled task(s)
PID:2888
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C:\Users\Admin\AppData\Local\Temp\PO#7A68D20.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3372
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD517573558c4e714f606f997e5157afaac
SHA113e16e9415ceef429aaf124139671ebeca09ed23
SHA256c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553
SHA512f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc
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Filesize
1KB
MD5e173c0ed2c75567e8edf3fb79b84028b
SHA1544233a285644e0b09111dbbcbf15bbae48c2a2e
SHA2561d6bcd523808d741437ae51680890d04a76ecf26ac3f78d1409e1a0d8a3281e6
SHA51217a8608a4113d137060939071524195a5fd6434739781995f1f4cd34b4960e428fb89eec37ad1ad68695e81b2caad48d488bc729f98f94ffcf19395b77149f42