Analysis
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max time kernel
133s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
25-06-2022 07:48
Static task
static1
Behavioral task
behavioral1
Sample
d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe
Resource
win7-20220414-en
General
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Target
d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe
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Size
751KB
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MD5
cbbf69b6859140cbe162565dc7e57c42
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SHA1
d1182ceaba475493e1397dff94bad726feac4712
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SHA256
d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496
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SHA512
4909130568f37c4afa2b0e8afc39929fd52a2212bfe593b6e0a195d3e9296cd64b2a418d21d3845d479413b3455472c6f00e76c50136a148a5a3b6d312da72a7
Malware Config
Extracted
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
divi@accauto.co - Password:
7213575aceACE$
Signatures
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NirSoft MailPassView 5 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/5024-131-0x0000000000600000-0x0000000000684000-memory.dmp MailPassView behavioral2/memory/4732-138-0x0000000000000000-mapping.dmp MailPassView behavioral2/memory/4732-139-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/4732-141-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/4732-142-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 6 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/5024-131-0x0000000000600000-0x0000000000684000-memory.dmp WebBrowserPassView behavioral2/memory/488-143-0x0000000000000000-mapping.dmp WebBrowserPassView behavioral2/memory/488-144-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/488-146-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/488-147-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/488-149-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 10 IoCs
Processes:
resource yara_rule behavioral2/memory/5024-131-0x0000000000600000-0x0000000000684000-memory.dmp Nirsoft behavioral2/memory/4732-138-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/4732-139-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/4732-141-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/4732-142-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/488-143-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/488-144-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/488-146-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/488-147-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/488-149-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
vbc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\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 8 whatismyipaddress.com 10 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exeRegAsm.exedescription pid process target process PID 2156 set thread context of 5024 2156 d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe RegAsm.exe PID 5024 set thread context of 4732 5024 RegAsm.exe vbc.exe PID 5024 set thread context of 488 5024 RegAsm.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exevbc.exepid process 2156 d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe 2156 d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe 2156 d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe 2156 d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe 2156 d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe 2156 d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe 2156 d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe 2156 d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe 488 vbc.exe 488 vbc.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exepid process 2156 d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe 2156 d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegAsm.exedescription pid process Token: SeDebugPrivilege 5024 RegAsm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegAsm.exepid process 5024 RegAsm.exe -
Suspicious use of WriteProcessMemory 22 IoCs
Processes:
d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exeRegAsm.exedescription pid process target process PID 2156 wrote to memory of 5024 2156 d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe RegAsm.exe PID 2156 wrote to memory of 5024 2156 d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe RegAsm.exe PID 2156 wrote to memory of 5024 2156 d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe RegAsm.exe PID 2156 wrote to memory of 5024 2156 d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe RegAsm.exe PID 5024 wrote to memory of 4732 5024 RegAsm.exe vbc.exe PID 5024 wrote to memory of 4732 5024 RegAsm.exe vbc.exe PID 5024 wrote to memory of 4732 5024 RegAsm.exe vbc.exe PID 5024 wrote to memory of 4732 5024 RegAsm.exe vbc.exe PID 5024 wrote to memory of 4732 5024 RegAsm.exe vbc.exe PID 5024 wrote to memory of 4732 5024 RegAsm.exe vbc.exe PID 5024 wrote to memory of 4732 5024 RegAsm.exe vbc.exe PID 5024 wrote to memory of 4732 5024 RegAsm.exe vbc.exe PID 5024 wrote to memory of 4732 5024 RegAsm.exe vbc.exe PID 5024 wrote to memory of 488 5024 RegAsm.exe vbc.exe PID 5024 wrote to memory of 488 5024 RegAsm.exe vbc.exe PID 5024 wrote to memory of 488 5024 RegAsm.exe vbc.exe PID 5024 wrote to memory of 488 5024 RegAsm.exe vbc.exe PID 5024 wrote to memory of 488 5024 RegAsm.exe vbc.exe PID 5024 wrote to memory of 488 5024 RegAsm.exe vbc.exe PID 5024 wrote to memory of 488 5024 RegAsm.exe vbc.exe PID 5024 wrote to memory of 488 5024 RegAsm.exe vbc.exe PID 5024 wrote to memory of 488 5024 RegAsm.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe"C:\Users\Admin\AppData\Local\Temp\d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Users\Admin\AppData\Local\Temp\d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.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\Temp\holderwb.txtFilesize
3KB
MD5f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
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memory/488-143-0x0000000000000000-mapping.dmp
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memory/488-149-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/488-147-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/488-146-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/488-144-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/4732-138-0x0000000000000000-mapping.dmp
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memory/4732-139-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/4732-141-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/4732-142-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/5024-137-0x0000000008EE0000-0x0000000008F46000-memory.dmpFilesize
408KB
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memory/5024-130-0x0000000000000000-mapping.dmp
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memory/5024-136-0x0000000004E50000-0x0000000004EA6000-memory.dmpFilesize
344KB
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memory/5024-135-0x0000000004B30000-0x0000000004B3A000-memory.dmpFilesize
40KB
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memory/5024-134-0x0000000004C30000-0x0000000004CC2000-memory.dmpFilesize
584KB
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memory/5024-133-0x00000000051E0000-0x0000000005784000-memory.dmpFilesize
5.6MB
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memory/5024-132-0x0000000004B70000-0x0000000004C0C000-memory.dmpFilesize
624KB
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memory/5024-131-0x0000000000600000-0x0000000000684000-memory.dmpFilesize
528KB