Analysis
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max time kernel
152s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 01:34
Static task
static1
Behavioral task
behavioral1
Sample
Versanddetails.exe
Resource
win7-20220414-en
General
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Target
Versanddetails.exe
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Size
596KB
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MD5
269a05d36d071c206dc87187d6136352
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SHA1
85f8c093f487db02ebbbda53d0893be9bdbc0ace
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SHA256
b774ad4c9780bdb6e4fec9dbd688f1ac6d0ee75e9771c64de99e1f5152e0b385
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SHA512
2449cc3e98eb46ffb373552fe1ca7cca4fea9628482e0f3214a2ef19a97240b184eca1191607e6406d810238ef8a0a29030867bec0baf44a7c480d485d661ebc
Malware Config
Signatures
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NirSoft MailPassView 5 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/324-60-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral1/memory/1296-63-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1296-64-0x0000000000411654-mapping.dmp MailPassView behavioral1/memory/1296-67-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1296-68-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 5 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral1/memory/324-60-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral1/memory/336-69-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/336-70-0x0000000000442628-mapping.dmp WebBrowserPassView behavioral1/memory/336-73-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/336-74-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 9 IoCs
Processes:
resource yara_rule behavioral1/memory/324-60-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral1/memory/1296-63-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1296-64-0x0000000000411654-mapping.dmp Nirsoft behavioral1/memory/1296-67-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1296-68-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/336-69-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/336-70-0x0000000000442628-mapping.dmp Nirsoft behavioral1/memory/336-73-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/336-74-0x0000000000400000-0x0000000000458000-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-1-5-21-1083475884-596052423-1669053738-1000\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 3 whatismyipaddress.com 5 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
Versanddetails.exeRegAsm.exedescription pid process target process PID 1968 set thread context of 324 1968 Versanddetails.exe RegAsm.exe PID 324 set thread context of 1296 324 RegAsm.exe vbc.exe PID 324 set thread context of 336 324 RegAsm.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
RegAsm.exepid process 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe 324 RegAsm.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
Versanddetails.exepid process 1968 Versanddetails.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegAsm.exedescription pid process Token: SeDebugPrivilege 324 RegAsm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegAsm.exepid process 324 RegAsm.exe -
Suspicious use of WriteProcessMemory 28 IoCs
Processes:
Versanddetails.exeRegAsm.exedescription pid process target process PID 1968 wrote to memory of 324 1968 Versanddetails.exe RegAsm.exe PID 1968 wrote to memory of 324 1968 Versanddetails.exe RegAsm.exe PID 1968 wrote to memory of 324 1968 Versanddetails.exe RegAsm.exe PID 1968 wrote to memory of 324 1968 Versanddetails.exe RegAsm.exe PID 1968 wrote to memory of 324 1968 Versanddetails.exe RegAsm.exe PID 1968 wrote to memory of 324 1968 Versanddetails.exe RegAsm.exe PID 1968 wrote to memory of 324 1968 Versanddetails.exe RegAsm.exe PID 1968 wrote to memory of 324 1968 Versanddetails.exe RegAsm.exe PID 324 wrote to memory of 1296 324 RegAsm.exe vbc.exe PID 324 wrote to memory of 1296 324 RegAsm.exe vbc.exe PID 324 wrote to memory of 1296 324 RegAsm.exe vbc.exe PID 324 wrote to memory of 1296 324 RegAsm.exe vbc.exe PID 324 wrote to memory of 1296 324 RegAsm.exe vbc.exe PID 324 wrote to memory of 1296 324 RegAsm.exe vbc.exe PID 324 wrote to memory of 1296 324 RegAsm.exe vbc.exe PID 324 wrote to memory of 1296 324 RegAsm.exe vbc.exe PID 324 wrote to memory of 1296 324 RegAsm.exe vbc.exe PID 324 wrote to memory of 1296 324 RegAsm.exe vbc.exe PID 324 wrote to memory of 336 324 RegAsm.exe vbc.exe PID 324 wrote to memory of 336 324 RegAsm.exe vbc.exe PID 324 wrote to memory of 336 324 RegAsm.exe vbc.exe PID 324 wrote to memory of 336 324 RegAsm.exe vbc.exe PID 324 wrote to memory of 336 324 RegAsm.exe vbc.exe PID 324 wrote to memory of 336 324 RegAsm.exe vbc.exe PID 324 wrote to memory of 336 324 RegAsm.exe vbc.exe PID 324 wrote to memory of 336 324 RegAsm.exe vbc.exe PID 324 wrote to memory of 336 324 RegAsm.exe vbc.exe PID 324 wrote to memory of 336 324 RegAsm.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Versanddetails.exe"C:\Users\Admin\AppData\Local\Temp\Versanddetails.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1968 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:324 -
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:1296 -
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:336
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\holderwb.txtFilesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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memory/324-57-0x0000000000480C5E-mapping.dmp
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memory/324-60-0x0000000000400000-0x0000000000488000-memory.dmpFilesize
544KB
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memory/324-61-0x0000000000E35000-0x0000000000E46000-memory.dmpFilesize
68KB
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memory/324-62-0x0000000000AA0000-0x0000000000AA8000-memory.dmpFilesize
32KB
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memory/336-69-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/336-74-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/336-73-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/336-70-0x0000000000442628-mapping.dmp
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memory/1296-63-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1296-67-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1296-68-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1296-64-0x0000000000411654-mapping.dmp
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memory/1968-54-0x00000000011E0000-0x000000000127C000-memory.dmpFilesize
624KB
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memory/1968-58-0x0000000000380000-0x0000000000383000-memory.dmpFilesize
12KB
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memory/1968-56-0x0000000075EF1000-0x0000000075EF3000-memory.dmpFilesize
8KB
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memory/1968-55-0x00000000005A0000-0x0000000000630000-memory.dmpFilesize
576KB