Analysis
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max time kernel
148s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 01:10
Static task
static1
Behavioral task
behavioral1
Sample
order180620203350884322.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
order180620203350884322.exe
Resource
win10v2004-20220414-en
General
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Target
order180620203350884322.exe
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Size
892KB
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MD5
f4575f446a35cbcbfff76e22ade3f6a7
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SHA1
3b4fbb267e15146c2ba216dad5bad7630e088483
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SHA256
da2e87ff6e505f0e64c3804f5355d693d9fd69e71916812f75bcd43b6cd445ec
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SHA512
266bf4328cd5fe40d9bb362ae0e926404f63c229bc66323db8c3ac519a00b1417a4c90d207530ec975b7b5e86626cb1b3c19f3dcd90eb8487c33ec097ca94911
Malware Config
Extracted
Protocol: smtp- Host:
smtp.urban.co.th - Port:
587 - Username:
[email protected] - Password:
Urban@1143
Signatures
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NirSoft MailPassView 8 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/2240-132-0x0000000000AE0000-0x0000000000B68000-memory.dmp MailPassView behavioral2/memory/2240-133-0x0000000000AE0000-0x0000000000B68000-memory.dmp MailPassView behavioral2/memory/4484-150-0x0000000000A00000-0x0000000000A88000-memory.dmp MailPassView behavioral2/memory/4484-151-0x0000000000A00000-0x0000000000A88000-memory.dmp MailPassView behavioral2/memory/4036-154-0x0000000000000000-mapping.dmp MailPassView behavioral2/memory/4036-155-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/4036-157-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/4036-158-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 8 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/2240-132-0x0000000000AE0000-0x0000000000B68000-memory.dmp WebBrowserPassView behavioral2/memory/2240-133-0x0000000000AE0000-0x0000000000B68000-memory.dmp WebBrowserPassView behavioral2/memory/4484-150-0x0000000000A00000-0x0000000000A88000-memory.dmp WebBrowserPassView behavioral2/memory/4484-151-0x0000000000A00000-0x0000000000A88000-memory.dmp WebBrowserPassView behavioral2/memory/4028-159-0x0000000000000000-mapping.dmp WebBrowserPassView behavioral2/memory/4028-160-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/4028-162-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/4028-163-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 12 IoCs
Processes:
resource yara_rule behavioral2/memory/2240-132-0x0000000000AE0000-0x0000000000B68000-memory.dmp Nirsoft behavioral2/memory/2240-133-0x0000000000AE0000-0x0000000000B68000-memory.dmp Nirsoft behavioral2/memory/4484-150-0x0000000000A00000-0x0000000000A88000-memory.dmp Nirsoft behavioral2/memory/4484-151-0x0000000000A00000-0x0000000000A88000-memory.dmp Nirsoft behavioral2/memory/4036-154-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/4036-155-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/4036-157-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/4036-158-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/4028-159-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/4028-160-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/4028-162-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/4028-163-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Executes dropped EXE 2 IoCs
Processes:
Windows Update.exeWindows Update.exepid process 4404 Windows Update.exe 4484 Windows Update.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
order180620203350884322.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation order180620203350884322.exe -
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-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Windows Update.exedescription 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" Windows Update.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 17 whatismyipaddress.com 15 whatismyipaddress.com -
Suspicious use of SetThreadContext 4 IoCs
Processes:
order180620203350884322.exeWindows Update.exeWindows Update.exedescription pid process target process PID 3856 set thread context of 2240 3856 order180620203350884322.exe order180620203350884322.exe PID 4404 set thread context of 4484 4404 Windows Update.exe Windows Update.exe PID 4484 set thread context of 4036 4484 Windows Update.exe vbc.exe PID 4484 set thread context of 4028 4484 Windows Update.exe vbc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 7 IoCs
Processes:
order180620203350884322.exeWindows Update.exevbc.exeWindows Update.exepid process 3856 order180620203350884322.exe 3856 order180620203350884322.exe 4404 Windows Update.exe 4404 Windows Update.exe 4028 vbc.exe 4028 vbc.exe 4484 Windows Update.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
order180620203350884322.exeWindows Update.exepid process 3856 order180620203350884322.exe 4404 Windows Update.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Windows Update.exedescription pid process Token: SeDebugPrivilege 4484 Windows Update.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Windows Update.exepid process 4484 Windows Update.exe -
Suspicious use of WriteProcessMemory 27 IoCs
Processes:
order180620203350884322.exeorder180620203350884322.exeWindows Update.exeWindows Update.exedescription pid process target process PID 3856 wrote to memory of 2240 3856 order180620203350884322.exe order180620203350884322.exe PID 3856 wrote to memory of 2240 3856 order180620203350884322.exe order180620203350884322.exe PID 3856 wrote to memory of 2240 3856 order180620203350884322.exe order180620203350884322.exe PID 2240 wrote to memory of 4404 2240 order180620203350884322.exe Windows Update.exe PID 2240 wrote to memory of 4404 2240 order180620203350884322.exe Windows Update.exe PID 2240 wrote to memory of 4404 2240 order180620203350884322.exe Windows Update.exe PID 4404 wrote to memory of 4484 4404 Windows Update.exe Windows Update.exe PID 4404 wrote to memory of 4484 4404 Windows Update.exe Windows Update.exe PID 4404 wrote to memory of 4484 4404 Windows Update.exe Windows Update.exe PID 4484 wrote to memory of 4036 4484 Windows Update.exe vbc.exe PID 4484 wrote to memory of 4036 4484 Windows Update.exe vbc.exe PID 4484 wrote to memory of 4036 4484 Windows Update.exe vbc.exe PID 4484 wrote to memory of 4036 4484 Windows Update.exe vbc.exe PID 4484 wrote to memory of 4036 4484 Windows Update.exe vbc.exe PID 4484 wrote to memory of 4036 4484 Windows Update.exe vbc.exe PID 4484 wrote to memory of 4036 4484 Windows Update.exe vbc.exe PID 4484 wrote to memory of 4036 4484 Windows Update.exe vbc.exe PID 4484 wrote to memory of 4036 4484 Windows Update.exe vbc.exe PID 4484 wrote to memory of 4028 4484 Windows Update.exe vbc.exe PID 4484 wrote to memory of 4028 4484 Windows Update.exe vbc.exe PID 4484 wrote to memory of 4028 4484 Windows Update.exe vbc.exe PID 4484 wrote to memory of 4028 4484 Windows Update.exe vbc.exe PID 4484 wrote to memory of 4028 4484 Windows Update.exe vbc.exe PID 4484 wrote to memory of 4028 4484 Windows Update.exe vbc.exe PID 4484 wrote to memory of 4028 4484 Windows Update.exe vbc.exe PID 4484 wrote to memory of 4028 4484 Windows Update.exe vbc.exe PID 4484 wrote to memory of 4028 4484 Windows Update.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\order180620203350884322.exe"C:\Users\Admin\AppData\Local\Temp\order180620203350884322.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\order180620203350884322.exe"C:\Users\Admin\AppData\Local\Temp\order180620203350884322.exe"2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Windows Update.exe"C:\Users\Admin\AppData\Roaming\Windows Update.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Windows Update.exe"C:\Users\Admin\AppData\Roaming\Windows Update.exe"4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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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\holdermail.txt"5⤵
- Accesses Microsoft Outlook accounts
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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"5⤵
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\SysInfo.txtFilesize
61B
MD5c5ec94500ec0c8724ce174a925442ffa
SHA163da3cbb20a8f10a7affbf102efd7b65cdae40ae
SHA2565cceb8eb3025094c80303a8c3ce3024133361e484f16794d61164e930e79ae7f
SHA5120e6c9a6132467ef221ee133bcf6ad7173bb4aadce0d83a356df050d29094b9490adcc8fb56bb18eadd214b10961aae36d77d9cbbc5afa317b199ea3bf981ffae
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C:\Users\Admin\AppData\Local\Temp\holderwb.txtFilesize
3KB
MD5f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
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C:\Users\Admin\AppData\Roaming\Windows Update.exeFilesize
892KB
MD5f4575f446a35cbcbfff76e22ade3f6a7
SHA13b4fbb267e15146c2ba216dad5bad7630e088483
SHA256da2e87ff6e505f0e64c3804f5355d693d9fd69e71916812f75bcd43b6cd445ec
SHA512266bf4328cd5fe40d9bb362ae0e926404f63c229bc66323db8c3ac519a00b1417a4c90d207530ec975b7b5e86626cb1b3c19f3dcd90eb8487c33ec097ca94911
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C:\Users\Admin\AppData\Roaming\Windows Update.exeFilesize
892KB
MD5f4575f446a35cbcbfff76e22ade3f6a7
SHA13b4fbb267e15146c2ba216dad5bad7630e088483
SHA256da2e87ff6e505f0e64c3804f5355d693d9fd69e71916812f75bcd43b6cd445ec
SHA512266bf4328cd5fe40d9bb362ae0e926404f63c229bc66323db8c3ac519a00b1417a4c90d207530ec975b7b5e86626cb1b3c19f3dcd90eb8487c33ec097ca94911
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C:\Users\Admin\AppData\Roaming\Windows Update.exeFilesize
892KB
MD5f4575f446a35cbcbfff76e22ade3f6a7
SHA13b4fbb267e15146c2ba216dad5bad7630e088483
SHA256da2e87ff6e505f0e64c3804f5355d693d9fd69e71916812f75bcd43b6cd445ec
SHA512266bf4328cd5fe40d9bb362ae0e926404f63c229bc66323db8c3ac519a00b1417a4c90d207530ec975b7b5e86626cb1b3c19f3dcd90eb8487c33ec097ca94911
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memory/2240-144-0x0000000075080000-0x0000000075631000-memory.dmpFilesize
5.7MB
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memory/2240-130-0x0000000000000000-mapping.dmp
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memory/2240-133-0x0000000000AE0000-0x0000000000B68000-memory.dmpFilesize
544KB
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memory/2240-132-0x0000000000AE0000-0x0000000000B68000-memory.dmpFilesize
544KB
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memory/3856-131-0x00000000022C0000-0x00000000022C6000-memory.dmpFilesize
24KB
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memory/4028-159-0x0000000000000000-mapping.dmp
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memory/4028-163-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/4028-162-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/4028-160-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/4036-154-0x0000000000000000-mapping.dmp
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memory/4036-155-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/4036-157-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/4036-158-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/4404-145-0x0000000000000000-mapping.dmp
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memory/4484-152-0x0000000075240000-0x00000000757F1000-memory.dmpFilesize
5.7MB
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memory/4484-151-0x0000000000A00000-0x0000000000A88000-memory.dmpFilesize
544KB
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memory/4484-150-0x0000000000A00000-0x0000000000A88000-memory.dmpFilesize
544KB
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memory/4484-148-0x0000000000000000-mapping.dmp