Analysis
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max time kernel
147s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20220718-en -
resource tags
arch:x64arch:x86image:win10v2004-20220718-enlocale:en-usos:windows10-2004-x64system -
submitted
20-07-2022 18:15
Static task
static1
Behavioral task
behavioral1
Sample
4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc.exe
Resource
win7-20220715-en
General
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Target
4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc.exe
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Size
689KB
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MD5
6c85faa32d34646e1d77df136d2b92cc
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SHA1
323f197579f40381fffa6a3ac1b462563def8e68
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SHA256
4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc
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SHA512
161a7c452ee9915cd6f7c51b70466762bfe65125b6a14103e785c66f8c6a2cbe2935885353a71eddbc4f7e74bb1a5a9945f0f670cde1a2e6ec8199e9478fa172
Malware Config
Signatures
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NirSoft MailPassView 6 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/2208-140-0x0000000006BF0000-0x0000000006C86000-memory.dmp MailPassView behavioral2/memory/384-148-0x0000000000000000-mapping.dmp MailPassView behavioral2/memory/384-149-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/384-151-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/384-152-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/384-153-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 6 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/2208-140-0x0000000006BF0000-0x0000000006C86000-memory.dmp WebBrowserPassView behavioral2/memory/3040-154-0x0000000000000000-mapping.dmp WebBrowserPassView behavioral2/memory/3040-155-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/3040-157-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/3040-158-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/3040-160-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 11 IoCs
resource yara_rule behavioral2/memory/2208-140-0x0000000006BF0000-0x0000000006C86000-memory.dmp Nirsoft behavioral2/memory/384-148-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/384-149-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/384-151-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/384-152-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/384-153-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/3040-154-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/3040-155-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/3040-157-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/3040-158-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/3040-160-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
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-1-5-21-1178428168-2939480073-3055857545-1000\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 6 whatismyipaddress.com 8 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 1164 set thread context of 2208 1164 4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc.exe 77 PID 2208 set thread context of 384 2208 4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc.exe 78 PID 2208 set thread context of 3040 2208 4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc.exe 79 -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 3040 vbc.exe 3040 vbc.exe 2208 4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2208 4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1164 4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 1164 wrote to memory of 2208 1164 4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc.exe 77 PID 1164 wrote to memory of 2208 1164 4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc.exe 77 PID 1164 wrote to memory of 2208 1164 4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc.exe 77 PID 2208 wrote to memory of 384 2208 4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc.exe 78 PID 2208 wrote to memory of 384 2208 4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc.exe 78 PID 2208 wrote to memory of 384 2208 4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc.exe 78 PID 2208 wrote to memory of 384 2208 4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc.exe 78 PID 2208 wrote to memory of 384 2208 4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc.exe 78 PID 2208 wrote to memory of 384 2208 4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc.exe 78 PID 2208 wrote to memory of 384 2208 4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc.exe 78 PID 2208 wrote to memory of 384 2208 4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc.exe 78 PID 2208 wrote to memory of 384 2208 4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc.exe 78 PID 2208 wrote to memory of 3040 2208 4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc.exe 79 PID 2208 wrote to memory of 3040 2208 4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc.exe 79 PID 2208 wrote to memory of 3040 2208 4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc.exe 79 PID 2208 wrote to memory of 3040 2208 4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc.exe 79 PID 2208 wrote to memory of 3040 2208 4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc.exe 79 PID 2208 wrote to memory of 3040 2208 4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc.exe 79 PID 2208 wrote to memory of 3040 2208 4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc.exe 79 PID 2208 wrote to memory of 3040 2208 4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc.exe 79 PID 2208 wrote to memory of 3040 2208 4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc.exe 79
Processes
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C:\Users\Admin\AppData\Local\Temp\4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc.exe"C:\Users\Admin\AppData\Local\Temp\4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1164 -
C:\Users\Admin\AppData\Local\Temp\4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc.exeC:\Users\Admin\AppData\Local\Temp\4e3de3da36391dedb0f86a255ddcf74edc94b2363cbf4ff1fa22c5f8f45636cc.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2208 -
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
PID:384
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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⤵
- Suspicious behavior: EnumeratesProcesses
PID:3040
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
3KB
MD5f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196