Analysis
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max time kernel
149s -
max time network
110s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
15-11-2020 23:07
Static task
static1
Behavioral task
behavioral1
Sample
cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe
Resource
win7v20201028
General
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Target
cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe
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Size
1.1MB
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MD5
884ea12c370a9599f41547092ca3aaf9
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SHA1
e8c76bd28cd2ca9f2fd358adddb418c83a761601
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SHA256
cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820
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SHA512
a01f8aedf1f47a461a3344fb12042adfd2727fb1ad5b9b5d5817037bd800bb629b332b7b04aa388b7033ccb48bdfd6db3361292f277bab01192b0a6a3c98b14d
Malware Config
Extracted
Protocol: smtp- Host:
smtp.casalsmd.com - Port:
587 - Username:
carolina@casalsmd.com - Password:
Carolina123
Signatures
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Processes:
resource yara_rule behavioral1/memory/2032-1-0x0000000000400000-0x000000000051D000-memory.dmp upx behavioral1/memory/2032-3-0x0000000000400000-0x000000000051D000-memory.dmp upx behavioral1/memory/2032-4-0x0000000000400000-0x000000000051D000-memory.dmp upx -
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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 5 whatismyipaddress.com 7 whatismyipaddress.com 8 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.execde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exedescription pid process target process PID 1756 set thread context of 2032 1756 cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe PID 2032 set thread context of 936 2032 cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe vbc.exe PID 2032 set thread context of 836 2032 cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.execde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exepid process 1756 cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe 2032 cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exepid process 1756 cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exedescription pid process Token: SeDebugPrivilege 2032 cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exepid process 2032 cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.execde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exedescription pid process target process PID 1756 wrote to memory of 2032 1756 cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe PID 1756 wrote to memory of 2032 1756 cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe PID 1756 wrote to memory of 2032 1756 cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe PID 1756 wrote to memory of 2032 1756 cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe PID 2032 wrote to memory of 936 2032 cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe vbc.exe PID 2032 wrote to memory of 936 2032 cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe vbc.exe PID 2032 wrote to memory of 936 2032 cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe vbc.exe PID 2032 wrote to memory of 936 2032 cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe vbc.exe PID 2032 wrote to memory of 936 2032 cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe vbc.exe PID 2032 wrote to memory of 936 2032 cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe vbc.exe PID 2032 wrote to memory of 936 2032 cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe vbc.exe PID 2032 wrote to memory of 936 2032 cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe vbc.exe PID 2032 wrote to memory of 936 2032 cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe vbc.exe PID 2032 wrote to memory of 936 2032 cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe vbc.exe PID 2032 wrote to memory of 836 2032 cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe vbc.exe PID 2032 wrote to memory of 836 2032 cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe vbc.exe PID 2032 wrote to memory of 836 2032 cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe vbc.exe PID 2032 wrote to memory of 836 2032 cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe vbc.exe PID 2032 wrote to memory of 836 2032 cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe vbc.exe PID 2032 wrote to memory of 836 2032 cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe vbc.exe PID 2032 wrote to memory of 836 2032 cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe vbc.exe PID 2032 wrote to memory of 836 2032 cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe vbc.exe PID 2032 wrote to memory of 836 2032 cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe vbc.exe PID 2032 wrote to memory of 836 2032 cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe"C:\Users\Admin\AppData\Local\Temp\cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe"C:\Users\Admin\AppData\Local\Temp\cde560b79a71056438ff4bb8e8b754827716ec32daf1c53b4806557007364820.exe"2⤵
- Adds Run key to start application
- 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/836-12-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/836-14-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/836-13-0x0000000000442628-mapping.dmp
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memory/936-10-0x0000000000411654-mapping.dmp
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memory/936-9-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/936-11-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1184-15-0x000007FEF7EB0000-0x000007FEF812A000-memory.dmpFilesize
2.5MB
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memory/1756-0-0x0000000000400000-0x0000000000524000-memory.dmpFilesize
1.1MB
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memory/2032-5-0x0000000000520000-0x00000000005A8000-memory.dmpFilesize
544KB
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memory/2032-6-0x00000000005F2000-0x00000000005F3000-memory.dmpFilesize
4KB
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memory/2032-7-0x0000000000220000-0x00000000002A3000-memory.dmpFilesize
524KB
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memory/2032-4-0x0000000000400000-0x000000000051D000-memory.dmpFilesize
1.1MB
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memory/2032-3-0x0000000000400000-0x000000000051D000-memory.dmpFilesize
1.1MB
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memory/2032-1-0x0000000000400000-0x000000000051D000-memory.dmpFilesize
1.1MB
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memory/2032-2-0x000000000051B4D0-mapping.dmp