Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
28-09-2024 01:46
Static task
static1
Behavioral task
behavioral1
Sample
c05124a691aadde7935955fc41a1539398fe2007927ef19e27d8764cbafe266d.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c05124a691aadde7935955fc41a1539398fe2007927ef19e27d8764cbafe266d.exe
Resource
win10v2004-20240802-en
General
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Target
c05124a691aadde7935955fc41a1539398fe2007927ef19e27d8764cbafe266d.exe
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Size
596KB
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MD5
6d0b36d8196d5204908ac46df6b26dd6
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SHA1
a8e77c1ffb0dcd5df4be1c4f5c712d601b68b92e
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SHA256
c05124a691aadde7935955fc41a1539398fe2007927ef19e27d8764cbafe266d
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SHA512
ace3ec7cf57dd4f0b646b19ebc712b9a13015f1b0dde48882147908d776f2cbd3a3f4036f6df624fc3a5b308ec2cadce04f895a463d9968840d991bb1302336a
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SSDEEP
12288:e72zDn3/JEQOxcvFR9uPLjWcN5fDgrGN+hrROh5eFyBhc:7P2/cvFyPLCS+SNKvF
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot1360033246:AAF6H8m6YrL09doyxtsvJzZ_cIl__BCF4aU/sendDocument
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 5 IoCs
resource yara_rule behavioral1/memory/2580-16-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2580-20-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2580-18-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2580-12-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2580-10-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
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 3 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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c05124a691aadde7935955fc41a1539398fe2007927ef19e27d8764cbafe266d.exe Key opened \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c05124a691aadde7935955fc41a1539398fe2007927ef19e27d8764cbafe266d.exe Key opened \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c05124a691aadde7935955fc41a1539398fe2007927ef19e27d8764cbafe266d.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\kmk = "C:\\Users\\Admin\\AppData\\Roaming\\kmk\\kmk.exe" c05124a691aadde7935955fc41a1539398fe2007927ef19e27d8764cbafe266d.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2112 set thread context of 2580 2112 c05124a691aadde7935955fc41a1539398fe2007927ef19e27d8764cbafe266d.exe 30 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c05124a691aadde7935955fc41a1539398fe2007927ef19e27d8764cbafe266d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c05124a691aadde7935955fc41a1539398fe2007927ef19e27d8764cbafe266d.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2112 c05124a691aadde7935955fc41a1539398fe2007927ef19e27d8764cbafe266d.exe 2580 c05124a691aadde7935955fc41a1539398fe2007927ef19e27d8764cbafe266d.exe 2580 c05124a691aadde7935955fc41a1539398fe2007927ef19e27d8764cbafe266d.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2112 c05124a691aadde7935955fc41a1539398fe2007927ef19e27d8764cbafe266d.exe Token: SeDebugPrivilege 2580 c05124a691aadde7935955fc41a1539398fe2007927ef19e27d8764cbafe266d.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2580 c05124a691aadde7935955fc41a1539398fe2007927ef19e27d8764cbafe266d.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2112 wrote to memory of 2580 2112 c05124a691aadde7935955fc41a1539398fe2007927ef19e27d8764cbafe266d.exe 30 PID 2112 wrote to memory of 2580 2112 c05124a691aadde7935955fc41a1539398fe2007927ef19e27d8764cbafe266d.exe 30 PID 2112 wrote to memory of 2580 2112 c05124a691aadde7935955fc41a1539398fe2007927ef19e27d8764cbafe266d.exe 30 PID 2112 wrote to memory of 2580 2112 c05124a691aadde7935955fc41a1539398fe2007927ef19e27d8764cbafe266d.exe 30 PID 2112 wrote to memory of 2580 2112 c05124a691aadde7935955fc41a1539398fe2007927ef19e27d8764cbafe266d.exe 30 PID 2112 wrote to memory of 2580 2112 c05124a691aadde7935955fc41a1539398fe2007927ef19e27d8764cbafe266d.exe 30 PID 2112 wrote to memory of 2580 2112 c05124a691aadde7935955fc41a1539398fe2007927ef19e27d8764cbafe266d.exe 30 PID 2112 wrote to memory of 2580 2112 c05124a691aadde7935955fc41a1539398fe2007927ef19e27d8764cbafe266d.exe 30 PID 2112 wrote to memory of 2580 2112 c05124a691aadde7935955fc41a1539398fe2007927ef19e27d8764cbafe266d.exe 30 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c05124a691aadde7935955fc41a1539398fe2007927ef19e27d8764cbafe266d.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c05124a691aadde7935955fc41a1539398fe2007927ef19e27d8764cbafe266d.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c05124a691aadde7935955fc41a1539398fe2007927ef19e27d8764cbafe266d.exe"C:\Users\Admin\AppData\Local\Temp\c05124a691aadde7935955fc41a1539398fe2007927ef19e27d8764cbafe266d.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2112 -
C:\Users\Admin\AppData\Local\Temp\c05124a691aadde7935955fc41a1539398fe2007927ef19e27d8764cbafe266d.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2580
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