Analysis
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max time kernel
135s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 02:26
Static task
static1
Behavioral task
behavioral1
Sample
Proforma Invoice.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Proforma Invoice.exe
Resource
win10v2004-20220414-en
General
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Target
Proforma Invoice.exe
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Size
430KB
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MD5
f9df7150ae8af1dbefeb613fc554d33d
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SHA1
57a4211dc059cf771ef2ab435352dc55ae199564
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SHA256
659860f4cb27298c634c4c5a398f784d138b704202ed793a463858552e161da4
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SHA512
eed7d05a66c8e61744d2d18e07d1b4ace098d687a5850b1e709231283650ebe76f7cf41337a0ca449210f591ed9e3346e492649f096d29af8f9d649b04e4cd30
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.nilgirisfoods.com - Port:
587 - Username:
[email protected] - Password:
Nil@GiriS1092
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/1732-59-0x0000000000400000-0x000000000044A000-memory.dmp family_agenttesla behavioral1/memory/1732-60-0x0000000000400000-0x000000000044A000-memory.dmp family_agenttesla behavioral1/memory/1732-61-0x0000000000400000-0x000000000044A000-memory.dmp family_agenttesla behavioral1/memory/1732-62-0x0000000000445ECE-mapping.dmp family_agenttesla behavioral1/memory/1732-64-0x0000000000400000-0x000000000044A000-memory.dmp family_agenttesla behavioral1/memory/1732-66-0x0000000000400000-0x000000000044A000-memory.dmp family_agenttesla -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Proforma Invoice.exedescription pid process target process PID 904 set thread context of 1732 904 Proforma Invoice.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
Proforma Invoice.exeRegSvcs.exepid process 904 Proforma Invoice.exe 904 Proforma Invoice.exe 904 Proforma Invoice.exe 1732 RegSvcs.exe 1732 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Proforma Invoice.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 904 Proforma Invoice.exe Token: SeDebugPrivilege 1732 RegSvcs.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
Proforma Invoice.exedescription pid process target process PID 904 wrote to memory of 1732 904 Proforma Invoice.exe RegSvcs.exe PID 904 wrote to memory of 1732 904 Proforma Invoice.exe RegSvcs.exe PID 904 wrote to memory of 1732 904 Proforma Invoice.exe RegSvcs.exe PID 904 wrote to memory of 1732 904 Proforma Invoice.exe RegSvcs.exe PID 904 wrote to memory of 1732 904 Proforma Invoice.exe RegSvcs.exe PID 904 wrote to memory of 1732 904 Proforma Invoice.exe RegSvcs.exe PID 904 wrote to memory of 1732 904 Proforma Invoice.exe RegSvcs.exe PID 904 wrote to memory of 1732 904 Proforma Invoice.exe RegSvcs.exe PID 904 wrote to memory of 1732 904 Proforma Invoice.exe RegSvcs.exe PID 904 wrote to memory of 1732 904 Proforma Invoice.exe RegSvcs.exe PID 904 wrote to memory of 1732 904 Proforma Invoice.exe RegSvcs.exe PID 904 wrote to memory of 1732 904 Proforma Invoice.exe RegSvcs.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\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-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.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\v2.0.50727\RegSvcs.exe"{path}"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/904-54-0x00000000764C1000-0x00000000764C3000-memory.dmpFilesize
8KB
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memory/904-55-0x0000000074860000-0x0000000074E0B000-memory.dmpFilesize
5.7MB
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memory/1732-56-0x0000000000400000-0x000000000044A000-memory.dmpFilesize
296KB
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memory/1732-57-0x0000000000400000-0x000000000044A000-memory.dmpFilesize
296KB
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memory/1732-59-0x0000000000400000-0x000000000044A000-memory.dmpFilesize
296KB
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memory/1732-60-0x0000000000400000-0x000000000044A000-memory.dmpFilesize
296KB
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memory/1732-61-0x0000000000400000-0x000000000044A000-memory.dmpFilesize
296KB
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memory/1732-62-0x0000000000445ECE-mapping.dmp
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memory/1732-64-0x0000000000400000-0x000000000044A000-memory.dmpFilesize
296KB
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memory/1732-66-0x0000000000400000-0x000000000044A000-memory.dmpFilesize
296KB
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memory/1732-68-0x0000000074860000-0x0000000074E0B000-memory.dmpFilesize
5.7MB