50e1203d5afefeed67f616b84459c55d8b38aafcacab7edab81f2055d21aefc1

Analysis

max time kernel
155s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
resource tags

arch:x64arch:x86image:win10v2004-20220414-enlocale:en-usos:windows10-2004-x64system
submitted
20/07/2022, 09:48

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General

Target
sample20220720-01.xlsm
Size 45KB
Sample220720-ls12haeecl
SHA256 50e1203d5afefeed67f616b84459c55d8b38aafcacab7edab81f2055d21aefc1
MD5 9737703391db4a58cead1e1525719cb0
SHA1 8b4158d527abc6fb89e8112bbccde7207ae0db2d
SHA512 ce896cce8985ab4b7bfcbb44ee0343d769c1b9d543231a661b9dffd2ed35a8acbaaa7a742b8079c14235ee727cf31aaeed86754067310670334e8a3cc4886a4a
MD5 SHA1 SHA512

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 4 IoCs

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

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	852	3976	regsvr32.exe	79
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5008	4496	regsvr32.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3152	4496	regsvr32.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4612	4496	regsvr32.exe	91

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.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	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
312	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
312	EXCEL.EXE
312	EXCEL.EXE
312	EXCEL.EXE
312	EXCEL.EXE
312	EXCEL.EXE
312	EXCEL.EXE
312	EXCEL.EXE
312	EXCEL.EXE
312	EXCEL.EXE
312	EXCEL.EXE
312	EXCEL.EXE
312	EXCEL.EXE

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\sample20220720-01.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:312

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\9601500.
1⤵
- Process spawned unexpected child process
PID:852

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\9601500.
1⤵
- Process spawned unexpected child process
PID:5008

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\9601500.
1⤵
- Process spawned unexpected child process
PID:3152

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\9601500.
1⤵
- Process spawned unexpected child process
PID:4612

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/312-130-0x00007FFA89350000-0x00007FFA89360000-memory.dmp

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memory/312-131-0x00007FFA89350000-0x00007FFA89360000-memory.dmp

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memory/312-132-0x00007FFA89350000-0x00007FFA89360000-memory.dmp

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memory/312-133-0x00007FFA89350000-0x00007FFA89360000-memory.dmp

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memory/312-134-0x00007FFA89350000-0x00007FFA89360000-memory.dmp

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memory/312-135-0x00007FFA871C0000-0x00007FFA871D0000-memory.dmp

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memory/312-136-0x00007FFA871C0000-0x00007FFA871D0000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads