Analysis
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max time kernel
98s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
07-02-2023 00:59
Static task
static1
Behavioral task
behavioral1
Sample
3bd5dde45761f8ea8159da50737de3b57cb29fc21ffbf7496d57ffb9009fa07d.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
3bd5dde45761f8ea8159da50737de3b57cb29fc21ffbf7496d57ffb9009fa07d.exe
Resource
win10v2004-20220812-en
General
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Target
3bd5dde45761f8ea8159da50737de3b57cb29fc21ffbf7496d57ffb9009fa07d.exe
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Size
355KB
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MD5
e95980e4715a5954354a424d5bdd02c0
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SHA1
e72c54b9635ff3704aaaba011838f5f63b22aa24
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SHA256
3bd5dde45761f8ea8159da50737de3b57cb29fc21ffbf7496d57ffb9009fa07d
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SHA512
76b14a6c5c2bf936980be636ad19e018eee4ce510e1463b81c5366c35b2ef31d9c9e3ebc29144530bfddad4fb0c929d1605983c4b20f114bcffa47b3652294c8
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SSDEEP
6144:qSwXTsi2f806NfZByBLFJwDtIUUy0zRukgHrzR139Yo0ti:qjAi2k1lZBiLf2S5Ek0zsi
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.mgcpakistan.com/ - Port:
21 - Username:
[email protected] - Password:
boygirl123456
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4636-135-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
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
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
3bd5dde45761f8ea8159da50737de3b57cb29fc21ffbf7496d57ffb9009fa07d.exedescription pid process target process PID 3044 set thread context of 4636 3044 3bd5dde45761f8ea8159da50737de3b57cb29fc21ffbf7496d57ffb9009fa07d.exe RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegAsm.exepid process 4636 RegAsm.exe 4636 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegAsm.exedescription pid process Token: SeDebugPrivilege 4636 RegAsm.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
3bd5dde45761f8ea8159da50737de3b57cb29fc21ffbf7496d57ffb9009fa07d.exedescription pid process target process PID 3044 wrote to memory of 4636 3044 3bd5dde45761f8ea8159da50737de3b57cb29fc21ffbf7496d57ffb9009fa07d.exe RegAsm.exe PID 3044 wrote to memory of 4636 3044 3bd5dde45761f8ea8159da50737de3b57cb29fc21ffbf7496d57ffb9009fa07d.exe RegAsm.exe PID 3044 wrote to memory of 4636 3044 3bd5dde45761f8ea8159da50737de3b57cb29fc21ffbf7496d57ffb9009fa07d.exe RegAsm.exe PID 3044 wrote to memory of 4636 3044 3bd5dde45761f8ea8159da50737de3b57cb29fc21ffbf7496d57ffb9009fa07d.exe RegAsm.exe PID 3044 wrote to memory of 4636 3044 3bd5dde45761f8ea8159da50737de3b57cb29fc21ffbf7496d57ffb9009fa07d.exe RegAsm.exe PID 3044 wrote to memory of 4636 3044 3bd5dde45761f8ea8159da50737de3b57cb29fc21ffbf7496d57ffb9009fa07d.exe RegAsm.exe PID 3044 wrote to memory of 4636 3044 3bd5dde45761f8ea8159da50737de3b57cb29fc21ffbf7496d57ffb9009fa07d.exe RegAsm.exe PID 3044 wrote to memory of 4636 3044 3bd5dde45761f8ea8159da50737de3b57cb29fc21ffbf7496d57ffb9009fa07d.exe RegAsm.exe -
outlook_office_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
outlook_win_path 1 IoCs
Processes:
RegAsm.exedescription 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 RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3bd5dde45761f8ea8159da50737de3b57cb29fc21ffbf7496d57ffb9009fa07d.exe"C:\Users\Admin\AppData\Local\Temp\3bd5dde45761f8ea8159da50737de3b57cb29fc21ffbf7496d57ffb9009fa07d.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/3044-132-0x0000000000180000-0x00000000001DE000-memory.dmpFilesize
376KB
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memory/3044-133-0x0000000004B10000-0x0000000004B76000-memory.dmpFilesize
408KB
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memory/4636-134-0x0000000000000000-mapping.dmp
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memory/4636-135-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/4636-136-0x0000000004F00000-0x00000000054A4000-memory.dmpFilesize
5.6MB
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memory/4636-137-0x0000000004950000-0x00000000049E2000-memory.dmpFilesize
584KB
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memory/4636-138-0x0000000004B80000-0x0000000004C1C000-memory.dmpFilesize
624KB
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memory/4636-139-0x0000000005C30000-0x0000000005C80000-memory.dmpFilesize
320KB
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memory/4636-140-0x0000000005BF0000-0x0000000005BFA000-memory.dmpFilesize
40KB