Analysis
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max time kernel
151s -
max time network
116s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
09-11-2020 20:58
Static task
static1
Behavioral task
behavioral1
Sample
Versanddetails.exe
Resource
win7v20201028
General
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Target
Versanddetails.exe
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Size
732KB
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MD5
363669ceb5dd7f5aac373bcf2a041d7d
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SHA1
c51fef78c105b13880ca088c12731e0292501dc3
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SHA256
d4bddb73683cb2f5f9ff8fbcbfbc6bff85717a4189a98ff90cd2bbd46b7a35cf
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SHA512
6e78bf2293d471bd0c716a4a855aa512d5b816ed6d3fa183182e1d792bb3165b3265fe4d606f7e05c01d7ab9b6daa2b908b42d20647ef1d3c508a5cb2f459cf5
Malware Config
Signatures
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Uses the VBS compiler for execution 1 TTPs
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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 5 whatismyipaddress.com 7 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
Versanddetails.exeRegAsm.exedescription pid process target process PID 1668 set thread context of 836 1668 Versanddetails.exe RegAsm.exe PID 836 set thread context of 968 836 RegAsm.exe vbc.exe PID 836 set thread context of 1696 836 RegAsm.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 782 IoCs
Processes:
RegAsm.exepid process 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe 836 RegAsm.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
Versanddetails.exepid process 1668 Versanddetails.exe 1668 Versanddetails.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegAsm.exedescription pid process Token: SeDebugPrivilege 836 RegAsm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegAsm.exepid process 836 RegAsm.exe -
Suspicious use of WriteProcessMemory 35 IoCs
Processes:
Versanddetails.exeRegAsm.exedescription pid process target process PID 1668 wrote to memory of 1064 1668 Versanddetails.exe RegAsm.exe PID 1668 wrote to memory of 1064 1668 Versanddetails.exe RegAsm.exe PID 1668 wrote to memory of 1064 1668 Versanddetails.exe RegAsm.exe PID 1668 wrote to memory of 1064 1668 Versanddetails.exe RegAsm.exe PID 1668 wrote to memory of 1064 1668 Versanddetails.exe RegAsm.exe PID 1668 wrote to memory of 1064 1668 Versanddetails.exe RegAsm.exe PID 1668 wrote to memory of 1064 1668 Versanddetails.exe RegAsm.exe PID 1668 wrote to memory of 836 1668 Versanddetails.exe RegAsm.exe PID 1668 wrote to memory of 836 1668 Versanddetails.exe RegAsm.exe PID 1668 wrote to memory of 836 1668 Versanddetails.exe RegAsm.exe PID 1668 wrote to memory of 836 1668 Versanddetails.exe RegAsm.exe PID 1668 wrote to memory of 836 1668 Versanddetails.exe RegAsm.exe PID 1668 wrote to memory of 836 1668 Versanddetails.exe RegAsm.exe PID 1668 wrote to memory of 836 1668 Versanddetails.exe RegAsm.exe PID 1668 wrote to memory of 836 1668 Versanddetails.exe RegAsm.exe PID 836 wrote to memory of 968 836 RegAsm.exe vbc.exe PID 836 wrote to memory of 968 836 RegAsm.exe vbc.exe PID 836 wrote to memory of 968 836 RegAsm.exe vbc.exe PID 836 wrote to memory of 968 836 RegAsm.exe vbc.exe PID 836 wrote to memory of 968 836 RegAsm.exe vbc.exe PID 836 wrote to memory of 968 836 RegAsm.exe vbc.exe PID 836 wrote to memory of 968 836 RegAsm.exe vbc.exe PID 836 wrote to memory of 968 836 RegAsm.exe vbc.exe PID 836 wrote to memory of 968 836 RegAsm.exe vbc.exe PID 836 wrote to memory of 968 836 RegAsm.exe vbc.exe PID 836 wrote to memory of 1696 836 RegAsm.exe vbc.exe PID 836 wrote to memory of 1696 836 RegAsm.exe vbc.exe PID 836 wrote to memory of 1696 836 RegAsm.exe vbc.exe PID 836 wrote to memory of 1696 836 RegAsm.exe vbc.exe PID 836 wrote to memory of 1696 836 RegAsm.exe vbc.exe PID 836 wrote to memory of 1696 836 RegAsm.exe vbc.exe PID 836 wrote to memory of 1696 836 RegAsm.exe vbc.exe PID 836 wrote to memory of 1696 836 RegAsm.exe vbc.exe PID 836 wrote to memory of 1696 836 RegAsm.exe vbc.exe PID 836 wrote to memory of 1696 836 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
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
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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
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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⤵
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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⤵
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.txtMD5
f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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memory/836-10-0x0000000000400000-0x0000000000488000-memory.dmpFilesize
544KB
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memory/836-15-0x0000000000740000-0x0000000000742000-memory.dmpFilesize
8KB
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memory/836-12-0x0000000073910000-0x0000000073FFE000-memory.dmpFilesize
6.9MB
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memory/836-11-0x0000000000400000-0x0000000000488000-memory.dmpFilesize
544KB
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memory/836-8-0x0000000000400000-0x0000000000488000-memory.dmpFilesize
544KB
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memory/836-9-0x0000000000480C5E-mapping.dmp
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memory/968-17-0x0000000000411654-mapping.dmp
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memory/968-16-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/968-18-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/984-23-0x000007FEF7BD0000-0x000007FEF7E4A000-memory.dmpFilesize
2.5MB
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memory/1668-5-0x0000000004FF0000-0x0000000005078000-memory.dmpFilesize
544KB
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memory/1668-4-0x0000000004FF0000-0x0000000005078000-memory.dmpFilesize
544KB
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memory/1668-3-0x00000000003F0000-0x000000000047B000-memory.dmpFilesize
556KB
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memory/1668-0-0x0000000074640000-0x0000000074D2E000-memory.dmpFilesize
6.9MB
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memory/1668-1-0x0000000001200000-0x0000000001201000-memory.dmpFilesize
4KB
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memory/1696-20-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1696-21-0x0000000000442628-mapping.dmp
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memory/1696-22-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB