Analysis
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max time kernel
137s -
max time network
118s -
platform
windows7_x64 -
resource
win7-en-20211014 -
submitted
17-10-2021 23:54
Static task
static1
Behavioral task
behavioral1
Sample
bank details.exe
Resource
win7-en-20211014
Behavioral task
behavioral2
Sample
bank details.exe
Resource
win10-en-20210920
General
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Target
bank details.exe
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Size
1.1MB
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MD5
eb86275aeb317d404d5b8fda23f673aa
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SHA1
ad010abd23862d25925fbbf4757f9e71907fe9cd
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SHA256
0be3682accde2a88d78e2516998a4e19a01d116a1a66fadf903b60326b92cca8
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SHA512
29cb4e46129a828ca26133426c5f4dde20eccc13c8e178e6288f788ec38686c39623c1c25ea6a2275e9430336b34bf61c9f2cbfdea85c0651fe93a941dcc21de
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.coquettenola.com - Port:
587 - Username:
[email protected] - Password:
mandicakes2015
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
Processes:
resource yara_rule behavioral1/memory/524-62-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/524-63-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/524-64-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/524-65-0x000000000043761E-mapping.dmp family_agenttesla behavioral1/memory/524-66-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
Processes:
RegSvcs.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegSvcs.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
bank details.exedescription pid process target process PID 1700 set thread context of 524 1700 bank details.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
bank details.exeRegSvcs.exepid process 1700 bank details.exe 1700 bank details.exe 524 RegSvcs.exe 524 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
bank details.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 1700 bank details.exe Token: SeDebugPrivilege 524 RegSvcs.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
bank details.exedescription pid process target process PID 1700 wrote to memory of 524 1700 bank details.exe RegSvcs.exe PID 1700 wrote to memory of 524 1700 bank details.exe RegSvcs.exe PID 1700 wrote to memory of 524 1700 bank details.exe RegSvcs.exe PID 1700 wrote to memory of 524 1700 bank details.exe RegSvcs.exe PID 1700 wrote to memory of 524 1700 bank details.exe RegSvcs.exe PID 1700 wrote to memory of 524 1700 bank details.exe RegSvcs.exe PID 1700 wrote to memory of 524 1700 bank details.exe RegSvcs.exe PID 1700 wrote to memory of 524 1700 bank details.exe RegSvcs.exe PID 1700 wrote to memory of 524 1700 bank details.exe RegSvcs.exe PID 1700 wrote to memory of 524 1700 bank details.exe RegSvcs.exe PID 1700 wrote to memory of 524 1700 bank details.exe RegSvcs.exe PID 1700 wrote to memory of 524 1700 bank details.exe RegSvcs.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bank details.exe"C:\Users\Admin\AppData\Local\Temp\bank details.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/524-64-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/524-63-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/524-69-0x0000000004C41000-0x0000000004C42000-memory.dmpFilesize
4KB
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memory/524-68-0x0000000004C40000-0x0000000004C41000-memory.dmpFilesize
4KB
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memory/524-66-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/524-60-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/524-62-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/524-61-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/524-65-0x000000000043761E-mapping.dmp
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memory/1700-54-0x0000000001190000-0x0000000001191000-memory.dmpFilesize
4KB
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memory/1700-56-0x0000000074F61000-0x0000000074F63000-memory.dmpFilesize
8KB
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memory/1700-59-0x0000000005810000-0x00000000058DE000-memory.dmpFilesize
824KB
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memory/1700-58-0x0000000000680000-0x0000000000685000-memory.dmpFilesize
20KB
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memory/1700-57-0x0000000000DD0000-0x0000000000DD1000-memory.dmpFilesize
4KB