Analysis
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max time kernel
148s -
max time network
164s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
27-11-2022 14:54
Static task
static1
Behavioral task
behavioral1
Sample
15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe
Resource
win7-20221111-en
General
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Target
15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe
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Size
452KB
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MD5
ffe3cc411e73a64b1d9eb7e9305c73a8
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SHA1
d922f9c78dc8455e8487591dc03b10df867b3264
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SHA256
15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71
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SHA512
ec0ad43db50bf78c2d23ae2172dd924920550d1e60daeca9a7ae5fd1317bdce1efa2a8456f29c57f4c0d8bd07c92d6a8cde4ea76f153775b0023f08c1cebd920
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SSDEEP
12288:Xj3WWvxRF9z8A5q/1UYHYzHME5YGK7JowcfG:DWCz9z8AWqJsnGK77m
Malware Config
Signatures
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NirSoft MailPassView 8 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/5020-136-0x0000000000000000-mapping.dmp MailPassView behavioral2/memory/5020-137-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral2/memory/5020-138-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral2/memory/5020-139-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral2/memory/3572-144-0x0000000000000000-mapping.dmp MailPassView behavioral2/memory/3572-145-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/3572-147-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/3572-148-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 8 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/5020-136-0x0000000000000000-mapping.dmp WebBrowserPassView behavioral2/memory/5020-137-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral2/memory/5020-138-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral2/memory/5020-139-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral2/memory/3180-150-0x0000000000000000-mapping.dmp WebBrowserPassView behavioral2/memory/3180-151-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/3180-153-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/3180-155-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 12 IoCs
Processes:
resource yara_rule behavioral2/memory/5020-136-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/5020-137-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral2/memory/5020-138-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral2/memory/5020-139-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral2/memory/3572-144-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/3572-145-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/3572-147-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/3572-148-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/3180-150-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/3180-151-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/3180-153-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/3180-155-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.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-1-5-21-2891029575-1462575-1165213807-1000\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.
Processes:
flow ioc 11 whatismyipaddress.com 13 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exedescription pid process target process PID 1560 set thread context of 5020 1560 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe PID 5020 set thread context of 3572 5020 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe vbc.exe PID 5020 set thread context of 3180 5020 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.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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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
vbc.exepid process 3180 vbc.exe 3180 vbc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exedescription pid process Token: SeDebugPrivilege 5020 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exepid process 5020 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe -
Suspicious use of WriteProcessMemory 29 IoCs
Processes:
15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exedescription pid process target process PID 1560 wrote to memory of 5076 1560 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe schtasks.exe PID 1560 wrote to memory of 5076 1560 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe schtasks.exe PID 1560 wrote to memory of 5076 1560 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe schtasks.exe PID 1560 wrote to memory of 5020 1560 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe PID 1560 wrote to memory of 5020 1560 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe PID 1560 wrote to memory of 5020 1560 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe PID 1560 wrote to memory of 5020 1560 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe PID 1560 wrote to memory of 5020 1560 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe PID 1560 wrote to memory of 5020 1560 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe PID 1560 wrote to memory of 5020 1560 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe PID 1560 wrote to memory of 5020 1560 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe PID 5020 wrote to memory of 3572 5020 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe vbc.exe PID 5020 wrote to memory of 3572 5020 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe vbc.exe PID 5020 wrote to memory of 3572 5020 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe vbc.exe PID 5020 wrote to memory of 3572 5020 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe vbc.exe PID 5020 wrote to memory of 3572 5020 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe vbc.exe PID 5020 wrote to memory of 3572 5020 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe vbc.exe PID 5020 wrote to memory of 3572 5020 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe vbc.exe PID 5020 wrote to memory of 3572 5020 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe vbc.exe PID 5020 wrote to memory of 3572 5020 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe vbc.exe PID 5020 wrote to memory of 3180 5020 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe vbc.exe PID 5020 wrote to memory of 3180 5020 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe vbc.exe PID 5020 wrote to memory of 3180 5020 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe vbc.exe PID 5020 wrote to memory of 3180 5020 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe vbc.exe PID 5020 wrote to memory of 3180 5020 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe vbc.exe PID 5020 wrote to memory of 3180 5020 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe vbc.exe PID 5020 wrote to memory of 3180 5020 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe vbc.exe PID 5020 wrote to memory of 3180 5020 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe vbc.exe PID 5020 wrote to memory of 3180 5020 15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe"C:\Users\Admin\AppData\Local\Temp\15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Update\Windows" /XML "C:\Users\Admin\AppData\Local\Temp\743400888.xml"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe"C:\Users\Admin\AppData\Local\Temp\15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe"2⤵
- Suspicious use of SetThreadContext
- 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"3⤵
- 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"3⤵
- 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\Microsoft\CLR_v2.0_32\UsageLogs\15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe.logFilesize
312B
MD51754173b0ed4624c61fcf04f894e5bb6
SHA12fbf7999a2e14f19c9aeb1ac0e58b8a3859368b1
SHA25619e1f5731300f62cc4bb6eac90e96b7ff5de1bf8c13a434f1a7e38ee6927d757
SHA51263ae7b7da19c5b65ce73565042cf7386c8d53ab6645b901a9f684d5039e28addd91938d8d61cec153b675e80c25d92fae62bff53edf19914643c94f3a56db710
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C:\Users\Admin\AppData\Local\Temp\743400888.xmlFilesize
1KB
MD578feaf0e457dbb495b4db44a8c92e1c5
SHA18895b9b09f63fdedced4172c192165e6fae52d44
SHA256a88db81719d72aed35efcf9e5cdeeaff9e1d5a89fb434fc5f1a2c0c370b24d61
SHA512bcb30a5c0637276bb742d5e7f7f5ba1e9e5206d69fed58227d826d4e76a65468b05d482f0e476dd54553b1ef2c75a1171816dffb649ba81262d524a8f85f39ee
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C:\Users\Admin\AppData\Local\Temp\holderwb.txtFilesize
3KB
MD5f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
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memory/1560-142-0x00000000752E0000-0x0000000075891000-memory.dmpFilesize
5.7MB
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memory/1560-133-0x00000000752E0000-0x0000000075891000-memory.dmpFilesize
5.7MB
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memory/1560-132-0x00000000752E0000-0x0000000075891000-memory.dmpFilesize
5.7MB
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memory/3180-155-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/3180-153-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/3180-151-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/3180-150-0x0000000000000000-mapping.dmp
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memory/3572-148-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/3572-144-0x0000000000000000-mapping.dmp
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memory/3572-145-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/3572-147-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/5020-143-0x00000000752E0000-0x0000000075891000-memory.dmpFilesize
5.7MB
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memory/5020-149-0x00000000752E0000-0x0000000075891000-memory.dmpFilesize
5.7MB
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memory/5020-139-0x0000000000400000-0x0000000000484000-memory.dmpFilesize
528KB
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memory/5020-138-0x0000000000400000-0x0000000000484000-memory.dmpFilesize
528KB
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memory/5020-137-0x0000000000400000-0x0000000000484000-memory.dmpFilesize
528KB
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memory/5020-136-0x0000000000000000-mapping.dmp
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memory/5076-134-0x0000000000000000-mapping.dmp