Analysis
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max time kernel
143s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
06-11-2024 03:32
Static task
static1
Behavioral task
behavioral1
Sample
b8025d9ec1c56eef774e90a448c30efbeea547ff60cee57169680d832b76b7f4.exe
Resource
win7-20240708-en
General
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Target
b8025d9ec1c56eef774e90a448c30efbeea547ff60cee57169680d832b76b7f4.exe
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Size
1.7MB
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MD5
51956d90e55c86ee8fa57a5f26625454
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SHA1
be35dbe23ebfaa91d825bc161538e130c0886276
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SHA256
b8025d9ec1c56eef774e90a448c30efbeea547ff60cee57169680d832b76b7f4
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SHA512
3ab50406431fe064d35dbcfac796935649d9c0e16d2dde50876988a4c19c7fcb73c709f71b39e9a4c06a11a55b09a008f6fc805a30fb6e80b4842355fb066596
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SSDEEP
24576:ffmMv6Ckr7Mny5QLWsLisUV3+JQQeuLEIJgSn/Eg3q759rxv:f3v+7/5QLWqisQ+JQQeuLTJgxg3q9rxv
Malware Config
Extracted
Protocol: smtp- Host:
mail.hammer-adv.net - Port:
587 - Username:
[email protected] - Password:
**123123**
Signatures
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Hawkeye family
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Detected Nirsoft tools 9 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
Processes:
resource yara_rule behavioral2/memory/2880-3-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral2/memory/4380-10-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/4380-12-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/4380-13-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/4380-16-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/408-19-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/408-22-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/408-21-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/408-30-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
NirSoft MailPassView 5 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/2880-3-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral2/memory/4380-10-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/4380-12-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/4380-13-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/4380-16-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 5 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/2880-3-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral2/memory/408-19-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/408-22-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/408-21-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/408-30-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
vbc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 22 whatismyipaddress.com 24 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
b8025d9ec1c56eef774e90a448c30efbeea547ff60cee57169680d832b76b7f4.exeRegSvcs.exedescription pid process target process PID 456 set thread context of 2880 456 b8025d9ec1c56eef774e90a448c30efbeea547ff60cee57169680d832b76b7f4.exe RegSvcs.exe PID 2880 set thread context of 4380 2880 RegSvcs.exe vbc.exe PID 2880 set thread context of 408 2880 RegSvcs.exe vbc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
b8025d9ec1c56eef774e90a448c30efbeea547ff60cee57169680d832b76b7f4.exeRegSvcs.exevbc.exevbc.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b8025d9ec1c56eef774e90a448c30efbeea547ff60cee57169680d832b76b7f4.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
vbc.exeRegSvcs.exepid process 408 vbc.exe 408 vbc.exe 2880 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
b8025d9ec1c56eef774e90a448c30efbeea547ff60cee57169680d832b76b7f4.exepid process 456 b8025d9ec1c56eef774e90a448c30efbeea547ff60cee57169680d832b76b7f4.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 2880 RegSvcs.exe -
Suspicious use of WriteProcessMemory 22 IoCs
Processes:
b8025d9ec1c56eef774e90a448c30efbeea547ff60cee57169680d832b76b7f4.exeRegSvcs.exedescription pid process target process PID 456 wrote to memory of 2880 456 b8025d9ec1c56eef774e90a448c30efbeea547ff60cee57169680d832b76b7f4.exe RegSvcs.exe PID 456 wrote to memory of 2880 456 b8025d9ec1c56eef774e90a448c30efbeea547ff60cee57169680d832b76b7f4.exe RegSvcs.exe PID 456 wrote to memory of 2880 456 b8025d9ec1c56eef774e90a448c30efbeea547ff60cee57169680d832b76b7f4.exe RegSvcs.exe PID 456 wrote to memory of 2880 456 b8025d9ec1c56eef774e90a448c30efbeea547ff60cee57169680d832b76b7f4.exe RegSvcs.exe PID 2880 wrote to memory of 4380 2880 RegSvcs.exe vbc.exe PID 2880 wrote to memory of 4380 2880 RegSvcs.exe vbc.exe PID 2880 wrote to memory of 4380 2880 RegSvcs.exe vbc.exe PID 2880 wrote to memory of 4380 2880 RegSvcs.exe vbc.exe PID 2880 wrote to memory of 4380 2880 RegSvcs.exe vbc.exe PID 2880 wrote to memory of 4380 2880 RegSvcs.exe vbc.exe PID 2880 wrote to memory of 4380 2880 RegSvcs.exe vbc.exe PID 2880 wrote to memory of 4380 2880 RegSvcs.exe vbc.exe PID 2880 wrote to memory of 4380 2880 RegSvcs.exe vbc.exe PID 2880 wrote to memory of 408 2880 RegSvcs.exe vbc.exe PID 2880 wrote to memory of 408 2880 RegSvcs.exe vbc.exe PID 2880 wrote to memory of 408 2880 RegSvcs.exe vbc.exe PID 2880 wrote to memory of 408 2880 RegSvcs.exe vbc.exe PID 2880 wrote to memory of 408 2880 RegSvcs.exe vbc.exe PID 2880 wrote to memory of 408 2880 RegSvcs.exe vbc.exe PID 2880 wrote to memory of 408 2880 RegSvcs.exe vbc.exe PID 2880 wrote to memory of 408 2880 RegSvcs.exe vbc.exe PID 2880 wrote to memory of 408 2880 RegSvcs.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b8025d9ec1c56eef774e90a448c30efbeea547ff60cee57169680d832b76b7f4.exe"C:\Users\Admin\AppData\Local\Temp\b8025d9ec1c56eef774e90a448c30efbeea547ff60cee57169680d832b76b7f4.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:456 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\b8025d9ec1c56eef774e90a448c30efbeea547ff60cee57169680d832b76b7f4.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2880 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:4380
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:408
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3KB
MD5f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196