Analysis
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max time kernel
119s -
max time network
119s -
platform
windows7_x64 -
resource
win7-en-20211104 -
submitted
01-12-2021 18:04
Static task
static1
Behavioral task
behavioral1
Sample
2327df8853c7f67ab43cda8c3f0494f148f74682aecaa685fd932bcc2b4df5a1.exe
Resource
win7-en-20211104
Behavioral task
behavioral2
Sample
2327df8853c7f67ab43cda8c3f0494f148f74682aecaa685fd932bcc2b4df5a1.exe
Resource
win10-en-20211104
General
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Target
2327df8853c7f67ab43cda8c3f0494f148f74682aecaa685fd932bcc2b4df5a1.exe
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Size
535KB
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MD5
0bedced4f80f29a3a4eacf08a57a7d1a
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SHA1
f3aa3d1a2cd8478e9900f8e40568a073ecccf50b
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SHA256
2327df8853c7f67ab43cda8c3f0494f148f74682aecaa685fd932bcc2b4df5a1
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SHA512
2058cd590d6f843bcc101ab3a12368fbf3b35e8bc40e0e8c05932aa1b0627f2cac8a2e8e07dad3b095089351b9b7843e9a8d9d62f503997a7d746ce9a998e716
Malware Config
Signatures
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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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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1084 1304 WerFault.exe 2327df8853c7f67ab43cda8c3f0494f148f74682aecaa685fd932bcc2b4df5a1.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
WerFault.exepowershell.exepid process 1084 WerFault.exe 1084 WerFault.exe 1084 WerFault.exe 1084 WerFault.exe 1084 WerFault.exe 1132 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
WerFault.exepowershell.exedescription pid process Token: SeDebugPrivilege 1084 WerFault.exe Token: SeDebugPrivilege 1132 powershell.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
2327df8853c7f67ab43cda8c3f0494f148f74682aecaa685fd932bcc2b4df5a1.exedescription pid process target process PID 1304 wrote to memory of 1132 1304 2327df8853c7f67ab43cda8c3f0494f148f74682aecaa685fd932bcc2b4df5a1.exe powershell.exe PID 1304 wrote to memory of 1132 1304 2327df8853c7f67ab43cda8c3f0494f148f74682aecaa685fd932bcc2b4df5a1.exe powershell.exe PID 1304 wrote to memory of 1132 1304 2327df8853c7f67ab43cda8c3f0494f148f74682aecaa685fd932bcc2b4df5a1.exe powershell.exe PID 1304 wrote to memory of 1132 1304 2327df8853c7f67ab43cda8c3f0494f148f74682aecaa685fd932bcc2b4df5a1.exe powershell.exe PID 1304 wrote to memory of 1800 1304 2327df8853c7f67ab43cda8c3f0494f148f74682aecaa685fd932bcc2b4df5a1.exe schtasks.exe PID 1304 wrote to memory of 1800 1304 2327df8853c7f67ab43cda8c3f0494f148f74682aecaa685fd932bcc2b4df5a1.exe schtasks.exe PID 1304 wrote to memory of 1800 1304 2327df8853c7f67ab43cda8c3f0494f148f74682aecaa685fd932bcc2b4df5a1.exe schtasks.exe PID 1304 wrote to memory of 1800 1304 2327df8853c7f67ab43cda8c3f0494f148f74682aecaa685fd932bcc2b4df5a1.exe schtasks.exe PID 1304 wrote to memory of 1084 1304 2327df8853c7f67ab43cda8c3f0494f148f74682aecaa685fd932bcc2b4df5a1.exe WerFault.exe PID 1304 wrote to memory of 1084 1304 2327df8853c7f67ab43cda8c3f0494f148f74682aecaa685fd932bcc2b4df5a1.exe WerFault.exe PID 1304 wrote to memory of 1084 1304 2327df8853c7f67ab43cda8c3f0494f148f74682aecaa685fd932bcc2b4df5a1.exe WerFault.exe PID 1304 wrote to memory of 1084 1304 2327df8853c7f67ab43cda8c3f0494f148f74682aecaa685fd932bcc2b4df5a1.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2327df8853c7f67ab43cda8c3f0494f148f74682aecaa685fd932bcc2b4df5a1.exe"C:\Users\Admin\AppData\Local\Temp\2327df8853c7f67ab43cda8c3f0494f148f74682aecaa685fd932bcc2b4df5a1.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1304 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BwvLWCLsGodg.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1132 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BwvLWCLsGodg" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB57A.tmp"2⤵
- Creates scheduled task(s)
PID:1800 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1304 -s 9802⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1084
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpB57A.tmpMD5
1666a60de438b1ef3177b54c6caf5fb8
SHA19a7f437df16501c8ffcf40f454fb4535387ecb92
SHA25676c8473acd77f7e7bf11e5de1cb74862f4732ffabfbb59ffb5ab6004acd64bdc
SHA512f038c90e33ada81d4192be92664718a8160381352a5416b8008e8777acda847f8c43d33bbe3d788f5cbb643f2b124f5f5cb2350510f9afc61101c3bfd43d8ce4
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memory/1084-65-0x0000000000600000-0x0000000000601000-memory.dmpFilesize
4KB
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memory/1084-64-0x0000000000000000-mapping.dmp
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memory/1132-66-0x0000000002430000-0x000000000307A000-memory.dmpFilesize
12.3MB
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memory/1132-60-0x0000000000000000-mapping.dmp
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memory/1132-62-0x0000000075491000-0x0000000075493000-memory.dmpFilesize
8KB
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memory/1132-67-0x0000000002430000-0x000000000307A000-memory.dmpFilesize
12.3MB
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memory/1132-68-0x0000000002430000-0x000000000307A000-memory.dmpFilesize
12.3MB
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memory/1304-59-0x0000000004BA0000-0x0000000004BE4000-memory.dmpFilesize
272KB
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memory/1304-58-0x0000000004D40000-0x0000000004D41000-memory.dmpFilesize
4KB
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memory/1304-55-0x0000000000C80000-0x0000000000C81000-memory.dmpFilesize
4KB
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memory/1304-57-0x0000000000430000-0x0000000000436000-memory.dmpFilesize
24KB
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memory/1800-61-0x0000000000000000-mapping.dmp