c5cb3be3063cf7ed4cf4385f8f0a0e6c8cc931190ba4d95ed2c0a1bf4722afdc

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/04/2024, 15:43

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General

Target

decrypted.xlsx
Size

524KB
MD5

f2437015948f03c215f6b31e5b1b51f8
SHA1

99a0a7560aa1e068d40ad740af080d8a31d850b7
SHA256

6bc97eb0d1ba9b245fec8b12b827f1cc4cbe883be79cfef7b50a7ffc678606f6
SHA512

ce4bd8c6aaa8e0efcbc7e8c207f2b16966fab0db9d94ebe408214fe06e60625723aac66e5590ede1fc70a9ba907863b82f33ff0a5416c0db5135fc95a79e1c3a
SSDEEP

12288:nHApxqbRsHUya+0NCqwbRXbFgdlOenxDzhdrM1yDZX9FX:HAzqq0ya++CnbFElOe93rR9FX

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
1584	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1584	EXCEL.EXE
1584	EXCEL.EXE
1584	EXCEL.EXE
1584	EXCEL.EXE
1584	EXCEL.EXE
1584	EXCEL.EXE
1584	EXCEL.EXE
1584	EXCEL.EXE
1584	EXCEL.EXE
1584	EXCEL.EXE
1584	EXCEL.EXE
1584	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\decrypted.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1584

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

memory/1584-0-0x00007FFDC9AF0000-0x00007FFDC9B00000-memory.dmp

Filesize
64KB

Download
memory/1584-1-0x00007FFDC9AF0000-0x00007FFDC9B00000-memory.dmp

Filesize
64KB

Download
memory/1584-3-0x00007FFE09A70000-0x00007FFE09C65000-memory.dmp

Filesize
2.0MB

Download
memory/1584-2-0x00007FFDC9AF0000-0x00007FFDC9B00000-memory.dmp

Filesize
64KB

Download
memory/1584-4-0x00007FFDC9AF0000-0x00007FFDC9B00000-memory.dmp

Filesize
64KB

Download
memory/1584-5-0x00007FFE09A70000-0x00007FFE09C65000-memory.dmp

Filesize
2.0MB

Download
memory/1584-7-0x00007FFE09A70000-0x00007FFE09C65000-memory.dmp

Filesize
2.0MB

Download
memory/1584-6-0x00007FFDC9AF0000-0x00007FFDC9B00000-memory.dmp

Filesize
64KB

Download
memory/1584-8-0x00007FFE09A70000-0x00007FFE09C65000-memory.dmp

Filesize
2.0MB

Download
memory/1584-9-0x00007FFE09A70000-0x00007FFE09C65000-memory.dmp

Filesize
2.0MB

Download
memory/1584-10-0x00007FFE09A70000-0x00007FFE09C65000-memory.dmp

Filesize
2.0MB

Download
memory/1584-11-0x00007FFE09A70000-0x00007FFE09C65000-memory.dmp

Filesize
2.0MB

Download
memory/1584-13-0x00007FFDC7580000-0x00007FFDC7590000-memory.dmp

Filesize
64KB

Download
memory/1584-12-0x00007FFE09A70000-0x00007FFE09C65000-memory.dmp

Filesize
2.0MB

Download
memory/1584-14-0x00007FFE09A70000-0x00007FFE09C65000-memory.dmp

Filesize
2.0MB

Download
memory/1584-15-0x00007FFE09A70000-0x00007FFE09C65000-memory.dmp

Filesize
2.0MB

Download
memory/1584-16-0x00007FFDC7580000-0x00007FFDC7590000-memory.dmp

Filesize
64KB

Download
memory/1584-33-0x00007FFE09A70000-0x00007FFE09C65000-memory.dmp

Filesize
2.0MB

Download
memory/1584-59-0x00007FFDC9AF0000-0x00007FFDC9B00000-memory.dmp

Filesize
64KB

Download
memory/1584-60-0x00007FFDC9AF0000-0x00007FFDC9B00000-memory.dmp

Filesize
64KB

Download
memory/1584-61-0x00007FFDC9AF0000-0x00007FFDC9B00000-memory.dmp

Filesize
64KB

Download
memory/1584-62-0x00007FFDC9AF0000-0x00007FFDC9B00000-memory.dmp

Filesize
64KB

Download
memory/1584-63-0x00007FFE09A70000-0x00007FFE09C65000-memory.dmp

Filesize
2.0MB

Download
memory/1584-65-0x00007FFE09A70000-0x00007FFE09C65000-memory.dmp

Filesize
2.0MB

Download
memory/1584-64-0x00007FFE09A70000-0x00007FFE09C65000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads