dcb32ff317f478ebbeb7d8215df16eaa1f50b64b05161d40f522dec41e275600

Analysis

max time kernel
146s
max time network
177s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2022 16:09

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

dcb32ff317f478ebbeb7d8215df16eaa1f50b64b05161d40f522dec41e275600.xlsm
Size

71KB
MD5

b413faf80f3b92a76f3008dab7b76347
SHA1

b4ca2ac0f53531f55e423740f65abf946572ae82
SHA256

dcb32ff317f478ebbeb7d8215df16eaa1f50b64b05161d40f522dec41e275600
SHA512

e310bb408c9bc877c338e61c9631603b5e51a8b68512ed50880e7a96b139d087f8c040fbaf69551afe5607315eed4130f8207f5c9bb1ee12a72e38a4aac3c0c8
SSDEEP

1536:LH1qsML2QhI1Hgd2jlR6druM1O7fd7lCPTd4GeJrxAr876pinS:jbM0K2mBuM1ylCPExAN

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 2 IoCs

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

Processes:

TaskKill.exeTaskKill.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4132	5000	TaskKill.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3080	5000	TaskKill.exe	EXCEL.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

Kills process with taskkill 2 IoCs
evasion

Processes:

TaskKill.exeTaskKill.exe

pid process

4132 TaskKill.exe
3080 TaskKill.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

5000 EXCEL.EXE
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

TaskKill.exeTaskKill.exe

description pid process

Token: SeDebugPrivilege 3080 TaskKill.exe
Token: SeDebugPrivilege 4132 TaskKill.exe

pid	process
4132	TaskKill.exe
3080	TaskKill.exe

description	pid	process
Token: SeDebugPrivilege	3080	TaskKill.exe
Token: SeDebugPrivilege	4132	TaskKill.exe

Suspicious use of SetWindowsHookEx 15 IoCs

Processes:

EXCEL.EXE

pid	process
5000	EXCEL.EXE
5000	EXCEL.EXE
5000	EXCEL.EXE
5000	EXCEL.EXE
5000	EXCEL.EXE
5000	EXCEL.EXE
5000	EXCEL.EXE
5000	EXCEL.EXE
5000	EXCEL.EXE
5000	EXCEL.EXE
5000	EXCEL.EXE
5000	EXCEL.EXE
5000	EXCEL.EXE
5000	EXCEL.EXE
5000	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 5000 wrote to memory of 4132	5000	EXCEL.EXE	TaskKill.exe
PID 5000 wrote to memory of 4132	5000	EXCEL.EXE	TaskKill.exe
PID 5000 wrote to memory of 3080	5000	EXCEL.EXE	TaskKill.exe
PID 5000 wrote to memory of 3080	5000	EXCEL.EXE	TaskKill.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\dcb32ff317f478ebbeb7d8215df16eaa1f50b64b05161d40f522dec41e275600.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5000

C:\Windows\SYSTEM32\TaskKill.exe
TaskKill /F /PID 0
2⤵
- Process spawned unexpected child process
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4132

C:\Windows\SYSTEM32\TaskKill.exe
TaskKill /F /PID 0
2⤵
- Process spawned unexpected child process
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3080

C:\Windows\system32\werfault.exe
werfault.exe /h /shared Global\1d99e47f020e4a6b830f10e1bd0cd817 /t 1784 /p 5000
1⤵
PID:1472

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

Loading Replay Monitor...

Downloads

memory/3080-143-0x0000000000000000-mapping.dmp

Download
memory/4132-142-0x0000000000000000-mapping.dmp

Download
memory/5000-132-0x00007FFDDA550000-0x00007FFDDA560000-memory.dmp

Filesize
64KB

Download
memory/5000-133-0x00007FFDDA550000-0x00007FFDDA560000-memory.dmp

Filesize
64KB

Download
memory/5000-134-0x00007FFDDA550000-0x00007FFDDA560000-memory.dmp

Filesize
64KB

Download
memory/5000-135-0x00007FFDDA550000-0x00007FFDDA560000-memory.dmp

Filesize
64KB

Download
memory/5000-136-0x00007FFDDA550000-0x00007FFDDA560000-memory.dmp

Filesize
64KB

Download
memory/5000-137-0x00007FFDD8040000-0x00007FFDD8050000-memory.dmp

Filesize
64KB

Download
memory/5000-138-0x00007FFDD8040000-0x00007FFDD8050000-memory.dmp

Filesize
64KB

Download
memory/5000-139-0x000001B5309A0000-0x000001B5309A4000-memory.dmp

Filesize
16KB

Download
memory/5000-140-0x000001B52A49C000-0x000001B52A49E000-memory.dmp

Filesize
8KB

Download
memory/5000-141-0x000001B52A49C000-0x000001B52A49E000-memory.dmp

Filesize
8KB

Download