d54bdc32e63a1159d8775046e4ac77bd96a6745c29049effea5303a37e2d865a

Analysis

max time kernel
138s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-10-2024 09:50

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General

Target

malware.xlsx
Size

2.2MB
MD5

af4a015e14731aca9d5d89d18b6145a5
SHA1

d43b9773c95cf3c7b0db3bf7d7571ea57db88898
SHA256

d54bdc32e63a1159d8775046e4ac77bd96a6745c29049effea5303a37e2d865a
SHA512

9629b2bffe3761bb7a9c5a31dc229f46f42a111825eb1c17a880228ae76a9ebd708e9c274661211dc82c436cf0de8ff0b6f1da45960e9f21c29a8e70ce24c774
SSDEEP

49152:Jp1keRzwrg87vtJer92x2zUkW2AhynUOAgLhouLDDeccF51Q:Jsm387XdkSPkNfJ

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

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid	Process
4244	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid	Process
4244	EXCEL.EXE
4244	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	Process
4244	EXCEL.EXE
4244	EXCEL.EXE
4244	EXCEL.EXE
4244	EXCEL.EXE
4244	EXCEL.EXE
4244	EXCEL.EXE
4244	EXCEL.EXE
4244	EXCEL.EXE
4244	EXCEL.EXE
4244	EXCEL.EXE
4244	EXCEL.EXE
4244	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\malware.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4244

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
2KB

MD5
0066acf24ea4cfaadc967669d050670f

SHA1
da20c6cceadbb78f05f5067f2a9508d2bfec5334

SHA256
b8e28e608a615406872e114c2e8857427674634c7bf9ced9a6097b73c474f416

SHA512
dbbbe38f2eddbc22631978a76d4bd7273657b5e4af570c52a2c0866356f0de84aca3a94bdcd5a38c6450dcd29b6b48af3a68d62002e8f34f9df6283cb82f67b7

Download Submit
memory/4244-17-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

Filesize
2.0MB

Download
memory/4244-3-0x00007FFCE830D000-0x00007FFCE830E000-memory.dmp

Filesize
4KB

Download
memory/4244-16-0x00007FFCA6070000-0x00007FFCA6080000-memory.dmp

Filesize
64KB

Download
memory/4244-5-0x00007FFCA82F0000-0x00007FFCA8300000-memory.dmp

Filesize
64KB

Download
memory/4244-9-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

Filesize
2.0MB

Download
memory/4244-12-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

Filesize
2.0MB

Download
memory/4244-14-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

Filesize
2.0MB

Download
memory/4244-15-0x00007FFCA6070000-0x00007FFCA6080000-memory.dmp

Filesize
64KB

Download
memory/4244-13-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

Filesize
2.0MB

Download
memory/4244-18-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

Filesize
2.0MB

Download
memory/4244-4-0x00007FFCA82F0000-0x00007FFCA8300000-memory.dmp

Filesize
64KB

Download
memory/4244-1-0x00007FFCA82F0000-0x00007FFCA8300000-memory.dmp

Filesize
64KB

Download
memory/4244-11-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

Filesize
2.0MB

Download
memory/4244-19-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

Filesize
2.0MB

Download
memory/4244-20-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

Filesize
2.0MB

Download
memory/4244-21-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

Filesize
2.0MB

Download
memory/4244-10-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

Filesize
2.0MB

Download
memory/4244-8-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

Filesize
2.0MB

Download
memory/4244-7-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

Filesize
2.0MB

Download
memory/4244-6-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

Filesize
2.0MB

Download
memory/4244-0-0x00007FFCA82F0000-0x00007FFCA8300000-memory.dmp

Filesize
64KB

Download
memory/4244-31-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

Filesize
2.0MB

Download
memory/4244-2-0x00007FFCA82F0000-0x00007FFCA8300000-memory.dmp

Filesize
64KB

Download