Analysis
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max time kernel
151s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
resource tags
arch:x64arch:x86image:win10v2004-20220414-enlocale:en-usos:windows10-2004-x64system -
submitted
17-07-2022 01:43
Static task
static1
Behavioral task
behavioral1
Sample
Quotation.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Quotation.exe
Resource
win10v2004-20220414-en
General
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Target
Quotation.exe
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Size
668KB
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MD5
e3f0a2033a78e307a71320217ef738bc
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SHA1
c27e02a95ee0a960cfca209db890c4508fcf4954
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SHA256
c111b6a522bd2d810182c96174d6e5b06396a07fe06a711d7d018b517461e358
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SHA512
8e24817a9192dfe21240b3fe5e909938650e4706fd7f1b62cf47091f90efbf2003290af55b65c6c4656610d02c0433c71aaf14a03eb38da67ec874539e48d4ab
Malware Config
Extracted
Protocol: smtp- Host:
smtp.vivaldi.net - Port:
587 - Username:
[email protected] - Password:
application@
Signatures
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NirSoft MailPassView 5 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/2280-142-0x0000000006B40000-0x0000000006BD4000-memory.dmp MailPassView behavioral2/memory/3772-152-0x0000000000000000-mapping.dmp MailPassView behavioral2/memory/3772-153-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/3772-155-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/3772-156-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 6 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/2280-142-0x0000000006B40000-0x0000000006BD4000-memory.dmp WebBrowserPassView behavioral2/memory/1452-157-0x0000000000000000-mapping.dmp WebBrowserPassView behavioral2/memory/1452-158-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/1452-160-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/1452-161-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/1452-163-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 10 IoCs
resource yara_rule behavioral2/memory/2280-142-0x0000000006B40000-0x0000000006BD4000-memory.dmp Nirsoft behavioral2/memory/3772-152-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/3772-153-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/3772-155-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/3772-156-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/1452-157-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/1452-158-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/1452-160-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/1452-161-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/1452-163-0x0000000000400000-0x0000000000458000-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-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" Quotation.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 35 whatismyipaddress.com 37 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 3932 set thread context of 2280 3932 Quotation.exe 79 PID 2280 set thread context of 3772 2280 Quotation.exe 87 PID 2280 set thread context of 1452 2280 Quotation.exe 91 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe 2280 Quotation.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2280 Quotation.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3932 Quotation.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 3932 wrote to memory of 2280 3932 Quotation.exe 79 PID 3932 wrote to memory of 2280 3932 Quotation.exe 79 PID 3932 wrote to memory of 2280 3932 Quotation.exe 79 PID 2280 wrote to memory of 3772 2280 Quotation.exe 87 PID 2280 wrote to memory of 3772 2280 Quotation.exe 87 PID 2280 wrote to memory of 3772 2280 Quotation.exe 87 PID 2280 wrote to memory of 3772 2280 Quotation.exe 87 PID 2280 wrote to memory of 3772 2280 Quotation.exe 87 PID 2280 wrote to memory of 3772 2280 Quotation.exe 87 PID 2280 wrote to memory of 3772 2280 Quotation.exe 87 PID 2280 wrote to memory of 3772 2280 Quotation.exe 87 PID 2280 wrote to memory of 3772 2280 Quotation.exe 87 PID 2280 wrote to memory of 1452 2280 Quotation.exe 91 PID 2280 wrote to memory of 1452 2280 Quotation.exe 91 PID 2280 wrote to memory of 1452 2280 Quotation.exe 91 PID 2280 wrote to memory of 1452 2280 Quotation.exe 91 PID 2280 wrote to memory of 1452 2280 Quotation.exe 91 PID 2280 wrote to memory of 1452 2280 Quotation.exe 91 PID 2280 wrote to memory of 1452 2280 Quotation.exe 91 PID 2280 wrote to memory of 1452 2280 Quotation.exe 91 PID 2280 wrote to memory of 1452 2280 Quotation.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\Quotation.exe"C:\Users\Admin\AppData\Local\Temp\Quotation.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3932 -
C:\Users\Admin\AppData\Local\Temp\Quotation.exeC:\Users\Admin\AppData\Local\Temp\Quotation.exe"2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2280 -
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:3772
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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⤵PID:1452
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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