5c85194ade91736a12b1eeeb13baa0b0da88c5085ca0530c4f1d86342170b3bc

Analysis

max time kernel
99s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
12/04/2023, 03:41

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General

Target

Round Table Schedule/Event Schedule.xlsx
Size

11KB
MD5

342b17851be3ff08ebeb01c0701c85a5
SHA1

a85b6c1c130d0ba986a9d69d1379e6fe7fa1d185
SHA256

4411371ce955846ef4feb5a2e1888f670054ba0311b1ca388b094fcfe7f78b84
SHA512

a3cdcf10b3923d72af976eae7f6d54737b320f9a104c2d06bdfde7cd32c9ee0fc635ace914b55042c50086637e381b691781c2e93061bf3ab11c65706c8a44ed
SSDEEP

192:fb2AU/cel/dg/8AaW64c0UeYEkCSv4tSTv5vqde1rR/eYYuNEp5e:faD/cellCVvofnE1Uv5vqdGrR/Ouup5e

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 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
1640	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1640	EXCEL.EXE
1640	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1640	EXCEL.EXE
1640	EXCEL.EXE
1640	EXCEL.EXE
1640	EXCEL.EXE
1640	EXCEL.EXE
1640	EXCEL.EXE
1640	EXCEL.EXE
1640	EXCEL.EXE
1640	EXCEL.EXE
1640	EXCEL.EXE
1640	EXCEL.EXE
1640	EXCEL.EXE

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\Round Table Schedule\Event Schedule.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:1640

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

Replay Monitor

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Downloads

memory/1640-133-0x00007FFA590B0000-0x00007FFA590C0000-memory.dmp

Filesize
64KB

Download
memory/1640-135-0x00007FFA590B0000-0x00007FFA590C0000-memory.dmp

Filesize
64KB

Download
memory/1640-134-0x00007FFA590B0000-0x00007FFA590C0000-memory.dmp

Filesize
64KB

Download
memory/1640-136-0x00007FFA590B0000-0x00007FFA590C0000-memory.dmp

Filesize
64KB

Download
memory/1640-137-0x00007FFA590B0000-0x00007FFA590C0000-memory.dmp

Filesize
64KB

Download
memory/1640-138-0x00007FFA56FA0000-0x00007FFA56FB0000-memory.dmp

Filesize
64KB

Download
memory/1640-139-0x00007FFA56FA0000-0x00007FFA56FB0000-memory.dmp

Filesize
64KB

Download
memory/1640-159-0x00007FFA590B0000-0x00007FFA590C0000-memory.dmp

Filesize
64KB

Download
memory/1640-160-0x00007FFA590B0000-0x00007FFA590C0000-memory.dmp

Filesize
64KB

Download
memory/1640-161-0x00007FFA590B0000-0x00007FFA590C0000-memory.dmp

Filesize
64KB

Download
memory/1640-162-0x00007FFA590B0000-0x00007FFA590C0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads