Analysis
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max time kernel
117s -
max time network
130s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
15-02-2022 05:46
Static task
static1
Behavioral task
behavioral1
Sample
d5c55582392771d747e99d748d3060c99d329ff826da768c9c0a8b975b739bcb.exe
Resource
win7-en-20211208
General
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Target
d5c55582392771d747e99d748d3060c99d329ff826da768c9c0a8b975b739bcb.exe
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Size
629KB
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MD5
c611ab25cb2f384c7349a90c3706c0a9
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SHA1
3abeb6a762c580a485faff32f3e5d1b1af21bc4d
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SHA256
d5c55582392771d747e99d748d3060c99d329ff826da768c9c0a8b975b739bcb
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SHA512
d483c084e09f70fec9bf309f48692c7fbbcc48afc3f6989e41d3fb99e9ed0e7f5130585a5607dc308fac32fa92e2c09edb143611c6835e7aad560dd06e9f147d
Malware Config
Extracted
vidar
48.3
937
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profile_id
937
Signatures
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Vidar Stealer 2 IoCs
Processes:
resource yara_rule behavioral1/memory/1616-57-0x00000000004E0000-0x00000000005B5000-memory.dmp family_vidar behavioral1/memory/1616-58-0x0000000000400000-0x00000000004D8000-memory.dmp family_vidar -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1068 cmd.exe -
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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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
d5c55582392771d747e99d748d3060c99d329ff826da768c9c0a8b975b739bcb.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 d5c55582392771d747e99d748d3060c99d329ff826da768c9c0a8b975b739bcb.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString d5c55582392771d747e99d748d3060c99d329ff826da768c9c0a8b975b739bcb.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1672 timeout.exe -
Kills process with taskkill 1 IoCs
Processes:
taskkill.exepid process 1528 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
d5c55582392771d747e99d748d3060c99d329ff826da768c9c0a8b975b739bcb.exepid process 1616 d5c55582392771d747e99d748d3060c99d329ff826da768c9c0a8b975b739bcb.exe 1616 d5c55582392771d747e99d748d3060c99d329ff826da768c9c0a8b975b739bcb.exe 1616 d5c55582392771d747e99d748d3060c99d329ff826da768c9c0a8b975b739bcb.exe 1616 d5c55582392771d747e99d748d3060c99d329ff826da768c9c0a8b975b739bcb.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid process Token: SeDebugPrivilege 1528 taskkill.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
d5c55582392771d747e99d748d3060c99d329ff826da768c9c0a8b975b739bcb.execmd.exedescription pid process target process PID 1616 wrote to memory of 1068 1616 d5c55582392771d747e99d748d3060c99d329ff826da768c9c0a8b975b739bcb.exe cmd.exe PID 1616 wrote to memory of 1068 1616 d5c55582392771d747e99d748d3060c99d329ff826da768c9c0a8b975b739bcb.exe cmd.exe PID 1616 wrote to memory of 1068 1616 d5c55582392771d747e99d748d3060c99d329ff826da768c9c0a8b975b739bcb.exe cmd.exe PID 1616 wrote to memory of 1068 1616 d5c55582392771d747e99d748d3060c99d329ff826da768c9c0a8b975b739bcb.exe cmd.exe PID 1068 wrote to memory of 1528 1068 cmd.exe taskkill.exe PID 1068 wrote to memory of 1528 1068 cmd.exe taskkill.exe PID 1068 wrote to memory of 1528 1068 cmd.exe taskkill.exe PID 1068 wrote to memory of 1528 1068 cmd.exe taskkill.exe PID 1068 wrote to memory of 1672 1068 cmd.exe timeout.exe PID 1068 wrote to memory of 1672 1068 cmd.exe timeout.exe PID 1068 wrote to memory of 1672 1068 cmd.exe timeout.exe PID 1068 wrote to memory of 1672 1068 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d5c55582392771d747e99d748d3060c99d329ff826da768c9c0a8b975b739bcb.exe"C:\Users\Admin\AppData\Local\Temp\d5c55582392771d747e99d748d3060c99d329ff826da768c9c0a8b975b739bcb.exe"1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im d5c55582392771d747e99d748d3060c99d329ff826da768c9c0a8b975b739bcb.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\d5c55582392771d747e99d748d3060c99d329ff826da768c9c0a8b975b739bcb.exe" & del C:\ProgramData\*.dll & exit2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\taskkill.exetaskkill /im d5c55582392771d747e99d748d3060c99d329ff826da768c9c0a8b975b739bcb.exe /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\ProgramData\freebl3.dllMD5
8eec510e57f5f732fd2cce73df7b73ef
SHA13c0af39ecb3753c5fee3b53d063c7286019eac3b
SHA25655f7d9e99b8e2d4e0e193b2f0275501e6d9c1ebd29cadbea6a0da48a8587e3e0
SHA51273bbf698482132b5fd60a0b58926fddec9055f8095a53bc52714e211e9340c3419736ceafd6b279667810114d306bfccdcfcddf51c0b67fe9e3c73c54583e574
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C:\ProgramData\mozglue.dllMD5
8eec510e57f5f732fd2cce73df7b73ef
SHA13c0af39ecb3753c5fee3b53d063c7286019eac3b
SHA25655f7d9e99b8e2d4e0e193b2f0275501e6d9c1ebd29cadbea6a0da48a8587e3e0
SHA51273bbf698482132b5fd60a0b58926fddec9055f8095a53bc52714e211e9340c3419736ceafd6b279667810114d306bfccdcfcddf51c0b67fe9e3c73c54583e574
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C:\ProgramData\msvcp140.dllMD5
8eec510e57f5f732fd2cce73df7b73ef
SHA13c0af39ecb3753c5fee3b53d063c7286019eac3b
SHA25655f7d9e99b8e2d4e0e193b2f0275501e6d9c1ebd29cadbea6a0da48a8587e3e0
SHA51273bbf698482132b5fd60a0b58926fddec9055f8095a53bc52714e211e9340c3419736ceafd6b279667810114d306bfccdcfcddf51c0b67fe9e3c73c54583e574
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C:\ProgramData\nss3.dllMD5
8eec510e57f5f732fd2cce73df7b73ef
SHA13c0af39ecb3753c5fee3b53d063c7286019eac3b
SHA25655f7d9e99b8e2d4e0e193b2f0275501e6d9c1ebd29cadbea6a0da48a8587e3e0
SHA51273bbf698482132b5fd60a0b58926fddec9055f8095a53bc52714e211e9340c3419736ceafd6b279667810114d306bfccdcfcddf51c0b67fe9e3c73c54583e574
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C:\ProgramData\softokn3.dllMD5
8eec510e57f5f732fd2cce73df7b73ef
SHA13c0af39ecb3753c5fee3b53d063c7286019eac3b
SHA25655f7d9e99b8e2d4e0e193b2f0275501e6d9c1ebd29cadbea6a0da48a8587e3e0
SHA51273bbf698482132b5fd60a0b58926fddec9055f8095a53bc52714e211e9340c3419736ceafd6b279667810114d306bfccdcfcddf51c0b67fe9e3c73c54583e574
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C:\ProgramData\vcruntime140.dllMD5
8eec510e57f5f732fd2cce73df7b73ef
SHA13c0af39ecb3753c5fee3b53d063c7286019eac3b
SHA25655f7d9e99b8e2d4e0e193b2f0275501e6d9c1ebd29cadbea6a0da48a8587e3e0
SHA51273bbf698482132b5fd60a0b58926fddec9055f8095a53bc52714e211e9340c3419736ceafd6b279667810114d306bfccdcfcddf51c0b67fe9e3c73c54583e574
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memory/1616-55-0x0000000075AB1000-0x0000000075AB3000-memory.dmpFilesize
8KB
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memory/1616-56-0x0000000000220000-0x000000000029C000-memory.dmpFilesize
496KB
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memory/1616-57-0x00000000004E0000-0x00000000005B5000-memory.dmpFilesize
852KB
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memory/1616-58-0x0000000000400000-0x00000000004D8000-memory.dmpFilesize
864KB