97b7c1f07a298273b65fd89ca73a0d9315b8e864df0dc8f71ea982151872a2ce

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
08/02/2023, 19:48

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General

Target

97b7c1f07a298273b65fd89ca73a0d9315b8e864df0dc8f71ea982151872a2ce.xls
Size

192KB
MD5

e77733eaf39be4c0c617ca0d04de7e92
SHA1

ecfec5905eb8cad7e4bb2ab250eaf2e068762475
SHA256

97b7c1f07a298273b65fd89ca73a0d9315b8e864df0dc8f71ea982151872a2ce
SHA512

b67fc175f614a5a08279b1ded721861847657df856dd43548875d356e4221d42c513f4a6e1c918605d408d15668afded47ba34cc35e778c6c7c7039e080128ea
SSDEEP

6144:sxEtjPOtioVjDGUU1qfDlavx+c/UgLYrG4Hiestu:QsY

Score

1^/10

Malware Config

Signatures

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	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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4624	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
4624	EXCEL.EXE
4624	EXCEL.EXE
4624	EXCEL.EXE
4624	EXCEL.EXE
4624	EXCEL.EXE
4624	EXCEL.EXE
4624	EXCEL.EXE
4624	EXCEL.EXE
4624	EXCEL.EXE
4624	EXCEL.EXE
4624	EXCEL.EXE
4624	EXCEL.EXE
4624	EXCEL.EXE
4624	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4624 wrote to memory of 4044	4624	EXCEL.EXE	89
PID 4624 wrote to memory of 4044	4624	EXCEL.EXE	89

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\97b7c1f07a298273b65fd89ca73a0d9315b8e864df0dc8f71ea982151872a2ce.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4624
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:4044

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:3852

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/4624-132-0x00007FFC784B0000-0x00007FFC784C0000-memory.dmp

Filesize
64KB

Download
memory/4624-133-0x00007FFC784B0000-0x00007FFC784C0000-memory.dmp

Filesize
64KB

Download
memory/4624-134-0x00007FFC784B0000-0x00007FFC784C0000-memory.dmp

Filesize
64KB

Download
memory/4624-135-0x00007FFC784B0000-0x00007FFC784C0000-memory.dmp

Filesize
64KB

Download
memory/4624-136-0x00007FFC784B0000-0x00007FFC784C0000-memory.dmp

Filesize
64KB

Download
memory/4624-137-0x00007FFC762F0000-0x00007FFC76300000-memory.dmp

Filesize
64KB

Download
memory/4624-138-0x00007FFC762F0000-0x00007FFC76300000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads