448b35ad2bfeb1353a5b668b7cbb140d9ad958d5f9ab7a426f9eb8e1a6e8b545

Resubmissions

23-11-2022 09:31

221123-lhbnvsbd44 8

23-11-2022 09:26

221123-leamdsba93 8

23-11-2022 08:51

221123-kr9ftahe59 8

Analysis

max time kernel
494s
max time network
500s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 09:31

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Report Analysis Logs

General

Target

6_IT05055349816_04_23112022_098000.xls
Size

70KB
MD5

8a4506de9bcc7b0841edc087a2936942
SHA1

94490ba077aba51333b8afaa41aa40fe096edd55
SHA256

448b35ad2bfeb1353a5b668b7cbb140d9ad958d5f9ab7a426f9eb8e1a6e8b545
SHA512

e66bff3ff137aad1cb1515de0d2081306986c91d65395dae9f4c3b9814aed122f7e56177da603fbb92da77ed5e1ce00a99e6770c041729701b85ffe9274e18e1
SSDEEP

1536:fDlYkEIbSkKBEqEXPgsRZmbaoFhZhR0cixIHm0ad50+99rHk+wTWOWhMBG5/mu:fDlYkEIuPm3fNRZmbaoFhZhR0cixIHml

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1096 4912 WerFault.exe

pid	pid_target	process	target process
1096	4912	WerFault.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

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

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

Processes:

EXCEL.EXE

pid process

1052 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
1052	EXCEL.EXE
1052	EXCEL.EXE
1052	EXCEL.EXE
1052	EXCEL.EXE
1052	EXCEL.EXE
1052	EXCEL.EXE
1052	EXCEL.EXE
1052	EXCEL.EXE
1052	EXCEL.EXE
1052	EXCEL.EXE
1052	EXCEL.EXE
1052	EXCEL.EXE
1052	EXCEL.EXE
1052	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\6_IT05055349816_04_23112022_098000.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1052

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 452 -p 4912 -ip 4912
1⤵
PID:3464

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 4912 -s 1752
1⤵
- Program crash
PID:1096

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1052-132-0x00007FFBDCCD0000-0x00007FFBDCCE0000-memory.dmp

Filesize
64KB

Download
memory/1052-133-0x00007FFBDCCD0000-0x00007FFBDCCE0000-memory.dmp

Filesize
64KB

Download
memory/1052-134-0x00007FFBDCCD0000-0x00007FFBDCCE0000-memory.dmp

Filesize
64KB

Download
memory/1052-135-0x00007FFBDCCD0000-0x00007FFBDCCE0000-memory.dmp

Filesize
64KB

Download
memory/1052-136-0x00007FFBDCCD0000-0x00007FFBDCCE0000-memory.dmp

Filesize
64KB

Download
memory/1052-137-0x00007FFBDA980000-0x00007FFBDA990000-memory.dmp

Filesize
64KB

Download
memory/1052-138-0x00007FFBDA980000-0x00007FFBDA990000-memory.dmp

Filesize
64KB

Download