Analysis
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max time kernel
150s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system -
submitted
31-01-2025 17:07
Static task
static1
Behavioral task
behavioral1
Sample
40bdc01698c806663cb359cb632f36320837884062ddb6c440c8d11580bbc745.exe
Resource
win7-20241023-en
General
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Target
40bdc01698c806663cb359cb632f36320837884062ddb6c440c8d11580bbc745.exe
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Size
610KB
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MD5
cbff403de61e81792b6a6985d113f588
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SHA1
ca2b0aa201eb717b506df77c180cec5717eb3a9e
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SHA256
40bdc01698c806663cb359cb632f36320837884062ddb6c440c8d11580bbc745
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SHA512
5c3b4b2a17de18008ca313fd374472bfd00b4818d3f2157ab703261ae89601a4d656d34081d21758eeac8e1438a838ae74db43cc29cb0306ad5bd70d666aa80a
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SSDEEP
12288:iDfY2d53bC+BSPRrZ9hh0LTAw1wQSRQqw/b3JuvQxoAPDKCn9AMxg:+fgFrih1wQbH4QxoAPF
Malware Config
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.
resource yara_rule behavioral2/memory/960-3-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral2/memory/764-17-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/764-19-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/764-20-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/764-22-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/4836-26-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/4836-28-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/4836-29-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/4836-36-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
NirSoft MailPassView 5 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/960-3-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral2/memory/764-17-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/764-19-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/764-20-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/764-22-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 5 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/960-3-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral2/memory/4836-26-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/4836-28-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/4836-29-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/4836-36-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-70482961-775596374-3727440602-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 20 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 920 set thread context of 960 920 40bdc01698c806663cb359cb632f36320837884062ddb6c440c8d11580bbc745.exe 86 PID 960 set thread context of 764 960 RegAsm.exe 88 PID 960 set thread context of 4836 960 RegAsm.exe 89 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 40bdc01698c806663cb359cb632f36320837884062ddb6c440c8d11580bbc745.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe 960 RegAsm.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 920 40bdc01698c806663cb359cb632f36320837884062ddb6c440c8d11580bbc745.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 960 RegAsm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 960 RegAsm.exe -
Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 920 wrote to memory of 960 920 40bdc01698c806663cb359cb632f36320837884062ddb6c440c8d11580bbc745.exe 86 PID 920 wrote to memory of 960 920 40bdc01698c806663cb359cb632f36320837884062ddb6c440c8d11580bbc745.exe 86 PID 920 wrote to memory of 960 920 40bdc01698c806663cb359cb632f36320837884062ddb6c440c8d11580bbc745.exe 86 PID 920 wrote to memory of 960 920 40bdc01698c806663cb359cb632f36320837884062ddb6c440c8d11580bbc745.exe 86 PID 960 wrote to memory of 764 960 RegAsm.exe 88 PID 960 wrote to memory of 764 960 RegAsm.exe 88 PID 960 wrote to memory of 764 960 RegAsm.exe 88 PID 960 wrote to memory of 764 960 RegAsm.exe 88 PID 960 wrote to memory of 764 960 RegAsm.exe 88 PID 960 wrote to memory of 764 960 RegAsm.exe 88 PID 960 wrote to memory of 764 960 RegAsm.exe 88 PID 960 wrote to memory of 764 960 RegAsm.exe 88 PID 960 wrote to memory of 764 960 RegAsm.exe 88 PID 960 wrote to memory of 4836 960 RegAsm.exe 89 PID 960 wrote to memory of 4836 960 RegAsm.exe 89 PID 960 wrote to memory of 4836 960 RegAsm.exe 89 PID 960 wrote to memory of 4836 960 RegAsm.exe 89 PID 960 wrote to memory of 4836 960 RegAsm.exe 89 PID 960 wrote to memory of 4836 960 RegAsm.exe 89 PID 960 wrote to memory of 4836 960 RegAsm.exe 89 PID 960 wrote to memory of 4836 960 RegAsm.exe 89 PID 960 wrote to memory of 4836 960 RegAsm.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\40bdc01698c806663cb359cb632f36320837884062ddb6c440c8d11580bbc745.exe"C:\Users\Admin\AppData\Local\Temp\40bdc01698c806663cb359cb632f36320837884062ddb6c440c8d11580bbc745.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:920 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:960 -
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:764
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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
PID:4836
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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