Analysis
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max time kernel
89s -
max time network
92s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
27-11-2022 07:53
Static task
static1
Behavioral task
behavioral1
Sample
ed12701af2d1d20e50fb7a19092f722c97681fbd1305f977c3e7500426727d9e.exe
Resource
win7-20220812-en
General
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Target
ed12701af2d1d20e50fb7a19092f722c97681fbd1305f977c3e7500426727d9e.exe
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Size
1.5MB
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MD5
27bdf6ab411093838c4f56d6927777d5
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SHA1
1e1ba289d4cdb436d7981f04649425b0187061e4
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SHA256
ed12701af2d1d20e50fb7a19092f722c97681fbd1305f977c3e7500426727d9e
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SHA512
ffa52e4b10833a06bf0a06f41d7c8ed803a5a6dd358ba955e9eb212ee9ea0dd7949ef245b79109043068d5817de195316284277385f811a7c796558d8b476997
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SSDEEP
49152:ikwkn9IMHeaILS1q8uRCWXMx146baPCS:BdnVdVuRCWcw6GPC
Malware Config
Signatures
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Processes:
ed12701af2d1d20e50fb7a19092f722c97681fbd1305f977c3e7500426727d9e.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" ed12701af2d1d20e50fb7a19092f722c97681fbd1305f977c3e7500426727d9e.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" ed12701af2d1d20e50fb7a19092f722c97681fbd1305f977c3e7500426727d9e.exe -
NirSoft MailPassView 11 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\2792\2792.exe MailPassView \Users\Admin\AppData\Local\Temp\2792\2792.exe MailPassView \Users\Admin\AppData\Local\Temp\2792\2792.exe MailPassView \Users\Admin\AppData\Local\Temp\2792\2792.exe MailPassView C:\Users\Admin\AppData\Local\Temp\2792\2792.exe MailPassView C:\Users\Admin\AppData\Local\Temp\2792\2792.exe MailPassView behavioral1/memory/1960-66-0x0000000000411654-mapping.dmp MailPassView behavioral1/memory/1960-65-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1960-69-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1960-71-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1960-72-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 10 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\2792\2792.exe WebBrowserPassView \Users\Admin\AppData\Local\Temp\2792\2792.exe WebBrowserPassView \Users\Admin\AppData\Local\Temp\2792\2792.exe WebBrowserPassView \Users\Admin\AppData\Local\Temp\2792\2792.exe WebBrowserPassView C:\Users\Admin\AppData\Local\Temp\2792\2792.exe WebBrowserPassView C:\Users\Admin\AppData\Local\Temp\2792\2792.exe WebBrowserPassView behavioral1/memory/1188-74-0x0000000000442628-mapping.dmp WebBrowserPassView behavioral1/memory/1188-73-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1188-77-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1188-79-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 15 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\2792\2792.exe Nirsoft \Users\Admin\AppData\Local\Temp\2792\2792.exe Nirsoft \Users\Admin\AppData\Local\Temp\2792\2792.exe Nirsoft \Users\Admin\AppData\Local\Temp\2792\2792.exe Nirsoft C:\Users\Admin\AppData\Local\Temp\2792\2792.exe Nirsoft C:\Users\Admin\AppData\Local\Temp\2792\2792.exe Nirsoft behavioral1/memory/1960-66-0x0000000000411654-mapping.dmp Nirsoft behavioral1/memory/1960-65-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1960-69-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1960-71-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1960-72-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1188-74-0x0000000000442628-mapping.dmp Nirsoft behavioral1/memory/1188-73-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1188-77-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1188-79-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Executes dropped EXE 1 IoCs
Processes:
2792.exepid process 2004 2792.exe -
Loads dropped DLL 4 IoCs
Processes:
ed12701af2d1d20e50fb7a19092f722c97681fbd1305f977c3e7500426727d9e.exepid process 900 ed12701af2d1d20e50fb7a19092f722c97681fbd1305f977c3e7500426727d9e.exe 900 ed12701af2d1d20e50fb7a19092f722c97681fbd1305f977c3e7500426727d9e.exe 900 ed12701af2d1d20e50fb7a19092f722c97681fbd1305f977c3e7500426727d9e.exe 900 ed12701af2d1d20e50fb7a19092f722c97681fbd1305f977c3e7500426727d9e.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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Processes:
ed12701af2d1d20e50fb7a19092f722c97681fbd1305f977c3e7500426727d9e.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" ed12701af2d1d20e50fb7a19092f722c97681fbd1305f977c3e7500426727d9e.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 3 whatismyipaddress.com -
Suspicious use of SetThreadContext 2 IoCs
Processes:
2792.exedescription pid process target process PID 2004 set thread context of 1960 2004 2792.exe vbc.exe PID 2004 set thread context of 1188 2004 2792.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 use of AdjustPrivilegeToken 1 IoCs
Processes:
2792.exedescription pid process Token: SeDebugPrivilege 2004 2792.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
2792.exepid process 2004 2792.exe -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
ed12701af2d1d20e50fb7a19092f722c97681fbd1305f977c3e7500426727d9e.exe2792.exedescription pid process target process PID 900 wrote to memory of 2004 900 ed12701af2d1d20e50fb7a19092f722c97681fbd1305f977c3e7500426727d9e.exe 2792.exe PID 900 wrote to memory of 2004 900 ed12701af2d1d20e50fb7a19092f722c97681fbd1305f977c3e7500426727d9e.exe 2792.exe PID 900 wrote to memory of 2004 900 ed12701af2d1d20e50fb7a19092f722c97681fbd1305f977c3e7500426727d9e.exe 2792.exe PID 900 wrote to memory of 2004 900 ed12701af2d1d20e50fb7a19092f722c97681fbd1305f977c3e7500426727d9e.exe 2792.exe PID 2004 wrote to memory of 1960 2004 2792.exe vbc.exe PID 2004 wrote to memory of 1960 2004 2792.exe vbc.exe PID 2004 wrote to memory of 1960 2004 2792.exe vbc.exe PID 2004 wrote to memory of 1960 2004 2792.exe vbc.exe PID 2004 wrote to memory of 1960 2004 2792.exe vbc.exe PID 2004 wrote to memory of 1960 2004 2792.exe vbc.exe PID 2004 wrote to memory of 1960 2004 2792.exe vbc.exe PID 2004 wrote to memory of 1960 2004 2792.exe vbc.exe PID 2004 wrote to memory of 1960 2004 2792.exe vbc.exe PID 2004 wrote to memory of 1960 2004 2792.exe vbc.exe PID 2004 wrote to memory of 1188 2004 2792.exe vbc.exe PID 2004 wrote to memory of 1188 2004 2792.exe vbc.exe PID 2004 wrote to memory of 1188 2004 2792.exe vbc.exe PID 2004 wrote to memory of 1188 2004 2792.exe vbc.exe PID 2004 wrote to memory of 1188 2004 2792.exe vbc.exe PID 2004 wrote to memory of 1188 2004 2792.exe vbc.exe PID 2004 wrote to memory of 1188 2004 2792.exe vbc.exe PID 2004 wrote to memory of 1188 2004 2792.exe vbc.exe PID 2004 wrote to memory of 1188 2004 2792.exe vbc.exe PID 2004 wrote to memory of 1188 2004 2792.exe vbc.exe -
System policy modification 1 TTPs 3 IoCs
Processes:
ed12701af2d1d20e50fb7a19092f722c97681fbd1305f977c3e7500426727d9e.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System ed12701af2d1d20e50fb7a19092f722c97681fbd1305f977c3e7500426727d9e.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" ed12701af2d1d20e50fb7a19092f722c97681fbd1305f977c3e7500426727d9e.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" ed12701af2d1d20e50fb7a19092f722c97681fbd1305f977c3e7500426727d9e.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ed12701af2d1d20e50fb7a19092f722c97681fbd1305f977c3e7500426727d9e.exe"C:\Users\Admin\AppData\Local\Temp\ed12701af2d1d20e50fb7a19092f722c97681fbd1305f977c3e7500426727d9e.exe"1⤵
- UAC bypass
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of WriteProcessMemory
- System policy modification
PID:900 -
C:\Users\Admin\AppData\Local\Temp\2792\2792.exe"C:\Users\Admin\AppData\Local\Temp\2792\2792.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2004 -
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:1960 -
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:1188
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\2792\2792.exeFilesize
502KB
MD5c6421dbbc898e5c43b6dd5136838938a
SHA1d993719516cd6d156e3932835d04e93a44e0fe1c
SHA2568230c85f665502e2d7700f75d644a35e6f2e6a0df1618789009f4632e8997cb3
SHA512f8fb712b36ae848094d563865303d187bbce9d923febcc31002abe8c24cbb5e97b00581208ee679f8c66d41be6de07565731647bb6ab4810bd3eeb5f8c47e5a5
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C:\Users\Admin\AppData\Local\Temp\2792\2792.exeFilesize
502KB
MD5c6421dbbc898e5c43b6dd5136838938a
SHA1d993719516cd6d156e3932835d04e93a44e0fe1c
SHA2568230c85f665502e2d7700f75d644a35e6f2e6a0df1618789009f4632e8997cb3
SHA512f8fb712b36ae848094d563865303d187bbce9d923febcc31002abe8c24cbb5e97b00581208ee679f8c66d41be6de07565731647bb6ab4810bd3eeb5f8c47e5a5
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C:\Users\Admin\AppData\Local\Temp\holderwb.txtFilesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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\Users\Admin\AppData\Local\Temp\2792\2792.exeFilesize
502KB
MD5c6421dbbc898e5c43b6dd5136838938a
SHA1d993719516cd6d156e3932835d04e93a44e0fe1c
SHA2568230c85f665502e2d7700f75d644a35e6f2e6a0df1618789009f4632e8997cb3
SHA512f8fb712b36ae848094d563865303d187bbce9d923febcc31002abe8c24cbb5e97b00581208ee679f8c66d41be6de07565731647bb6ab4810bd3eeb5f8c47e5a5
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\Users\Admin\AppData\Local\Temp\2792\2792.exeFilesize
502KB
MD5c6421dbbc898e5c43b6dd5136838938a
SHA1d993719516cd6d156e3932835d04e93a44e0fe1c
SHA2568230c85f665502e2d7700f75d644a35e6f2e6a0df1618789009f4632e8997cb3
SHA512f8fb712b36ae848094d563865303d187bbce9d923febcc31002abe8c24cbb5e97b00581208ee679f8c66d41be6de07565731647bb6ab4810bd3eeb5f8c47e5a5
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\Users\Admin\AppData\Local\Temp\2792\2792.exeFilesize
502KB
MD5c6421dbbc898e5c43b6dd5136838938a
SHA1d993719516cd6d156e3932835d04e93a44e0fe1c
SHA2568230c85f665502e2d7700f75d644a35e6f2e6a0df1618789009f4632e8997cb3
SHA512f8fb712b36ae848094d563865303d187bbce9d923febcc31002abe8c24cbb5e97b00581208ee679f8c66d41be6de07565731647bb6ab4810bd3eeb5f8c47e5a5
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\Users\Admin\AppData\Local\Temp\2792\2792.exeFilesize
502KB
MD5c6421dbbc898e5c43b6dd5136838938a
SHA1d993719516cd6d156e3932835d04e93a44e0fe1c
SHA2568230c85f665502e2d7700f75d644a35e6f2e6a0df1618789009f4632e8997cb3
SHA512f8fb712b36ae848094d563865303d187bbce9d923febcc31002abe8c24cbb5e97b00581208ee679f8c66d41be6de07565731647bb6ab4810bd3eeb5f8c47e5a5
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memory/900-54-0x0000000076121000-0x0000000076123000-memory.dmpFilesize
8KB
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memory/1188-74-0x0000000000442628-mapping.dmp
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memory/1188-79-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1188-77-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1188-73-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1960-66-0x0000000000411654-mapping.dmp
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memory/1960-71-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1960-72-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1960-69-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1960-65-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/2004-70-0x0000000000A35000-0x0000000000A46000-memory.dmpFilesize
68KB
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memory/2004-64-0x0000000073E20000-0x00000000743CB000-memory.dmpFilesize
5.7MB
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memory/2004-63-0x0000000073E20000-0x00000000743CB000-memory.dmpFilesize
5.7MB
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memory/2004-59-0x0000000000000000-mapping.dmp
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memory/2004-80-0x0000000000A35000-0x0000000000A46000-memory.dmpFilesize
68KB