Analysis
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max time kernel
120s -
max time network
144s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
01-09-2024 12:50
Static task
static1
Behavioral task
behavioral1
Sample
50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe
Resource
win10v2004-20240802-en
General
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Target
50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe
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Size
790KB
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MD5
6f42a0a4f4c44c32c274c2383096d515
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SHA1
dcef833539c48b66f83c80c7f349bbbb16a057cd
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SHA256
50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd
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SHA512
87d1b426d2cfbdd609f4d8b2a4bd09ba2afeb101307e3a4dcc8fa9fa9bd1f0498a3ce5bedf50e2fb92c838b0e9a44624ca4d72b5f539cc10245cfedca04b3312
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SSDEEP
12288:qUi2iN7WxGv2cEgBsSs4j9a1sEEWPPJK1i2RGPBaVj0FbJqzvH1i4QPuTfj+:qUi1SgPEg2j1HPBKnRq40EvHEvP4fj+
Malware Config
Signatures
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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Detected Nirsoft tools 12 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral1/memory/2820-11-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral1/memory/2820-12-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral1/memory/2820-17-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral1/memory/2820-20-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral1/memory/2820-15-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral1/memory/1628-27-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1628-30-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1628-29-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1628-35-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1984-36-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1984-37-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1984-42-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
NirSoft MailPassView 9 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/memory/2820-11-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral1/memory/2820-12-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral1/memory/2820-17-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral1/memory/2820-20-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral1/memory/2820-15-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral1/memory/1628-27-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1628-30-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1628-29-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1628-35-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 8 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral1/memory/2820-11-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral1/memory/2820-12-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral1/memory/2820-17-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral1/memory/2820-20-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral1/memory/2820-15-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral1/memory/1984-36-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1984-37-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1984-42-0x0000000000400000-0x0000000000458000-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-1-5-21-1506706701-1246725540-2219210854-1000\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.
flow ioc 4 whatismyipaddress.com 6 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 2136 set thread context of 2820 2136 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe 31 PID 2820 set thread context of 1628 2820 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe 33 PID 2820 set thread context of 1984 2820 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe 34 -
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 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1984 vbc.exe 2820 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2820 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe -
Suspicious use of WriteProcessMemory 29 IoCs
description pid Process procid_target PID 2136 wrote to memory of 2820 2136 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe 31 PID 2136 wrote to memory of 2820 2136 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe 31 PID 2136 wrote to memory of 2820 2136 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe 31 PID 2136 wrote to memory of 2820 2136 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe 31 PID 2136 wrote to memory of 2820 2136 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe 31 PID 2136 wrote to memory of 2820 2136 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe 31 PID 2136 wrote to memory of 2820 2136 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe 31 PID 2136 wrote to memory of 2820 2136 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe 31 PID 2136 wrote to memory of 2820 2136 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe 31 PID 2820 wrote to memory of 1628 2820 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe 33 PID 2820 wrote to memory of 1628 2820 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe 33 PID 2820 wrote to memory of 1628 2820 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe 33 PID 2820 wrote to memory of 1628 2820 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe 33 PID 2820 wrote to memory of 1628 2820 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe 33 PID 2820 wrote to memory of 1628 2820 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe 33 PID 2820 wrote to memory of 1628 2820 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe 33 PID 2820 wrote to memory of 1628 2820 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe 33 PID 2820 wrote to memory of 1628 2820 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe 33 PID 2820 wrote to memory of 1628 2820 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe 33 PID 2820 wrote to memory of 1984 2820 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe 34 PID 2820 wrote to memory of 1984 2820 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe 34 PID 2820 wrote to memory of 1984 2820 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe 34 PID 2820 wrote to memory of 1984 2820 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe 34 PID 2820 wrote to memory of 1984 2820 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe 34 PID 2820 wrote to memory of 1984 2820 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe 34 PID 2820 wrote to memory of 1984 2820 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe 34 PID 2820 wrote to memory of 1984 2820 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe 34 PID 2820 wrote to memory of 1984 2820 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe 34 PID 2820 wrote to memory of 1984 2820 50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe"C:\Users\Admin\AppData\Local\Temp\50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2136 -
C:\Users\Admin\AppData\Local\Temp\50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe"C:\Users\Admin\AppData\Local\Temp\50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2820 -
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:1628
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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:1984
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84