057dee21a70fecbb36618b33c27ad7c059c4ab99e0937e01fe398fb30af5bd98

General

Target

Aviso de pago.xls
Size

645KB
MD5

edc3869ba8b78118979f05fbe9098b83
SHA1

3129170a970c1ba4fe05b5bbe4b88a1b5da03db8
SHA256

057dee21a70fecbb36618b33c27ad7c059c4ab99e0937e01fe398fb30af5bd98
SHA512

9e3e435617361fc438daf3700580f702df6f38f43a2ec1105bacc23e722235168f4eca62c44850c3fc732ebc64d98e5ed932d0c8827e5c700854b868ebfeb652
SSDEEP

12288:ubWNHd0zBcp2b6eTPOYlgSFG7nRzBMLu2ogAEWalBdU:6sdDMmeT2Y5WQocWi

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

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

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2588	3112	mshta.exe	83

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
3112	EXCEL.EXE

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
3112	EXCEL.EXE
3112	EXCEL.EXE
3112	EXCEL.EXE
3112	EXCEL.EXE
3112	EXCEL.EXE
3112	EXCEL.EXE
3112	EXCEL.EXE
3112	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3112 wrote to memory of 2588	3112	EXCEL.EXE	89
PID 3112 wrote to memory of 2588	3112	EXCEL.EXE	89

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\Aviso de pago.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3112
- C:\Windows\System32\mshta.exe
  C:\Windows\System32\mshta.exe -Embedding
  2⤵
  - Process spawned unexpected child process
  PID:2588

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1KB

MD5
9bb75cc833af1e5f52a4626d568b745a

SHA1
7d2ad19b9c6a62124b320c0460d60cffb31a4e99

SHA256
ac279ca8f0e0febe1bc3e35cee0f6cde2aedec4468b766fc9833848d2a7738f2

SHA512
e69d7013bfc9d13aac7e08e6a2119a19ef1fcb59bb0f23ffce2f586f9236c30cecc05112c9cec0638e6a3a1d0971e464ff2a7f5ba967cb1526cb60de5454888a

Download Submit
memory/2588-34-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

Filesize
2.0MB

Download
memory/2588-48-0x00007FF76DCA0000-0x00007FF76DCA8000-memory.dmp

Filesize
32KB

Download
memory/2588-47-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

Filesize
2.0MB

Download
memory/2588-38-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

Filesize
2.0MB

Download
memory/3112-12-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

Filesize
2.0MB

Download
memory/3112-8-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

Filesize
2.0MB

Download
memory/3112-14-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

Filesize
2.0MB

Download
memory/3112-13-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

Filesize
2.0MB

Download
memory/3112-15-0x00007FF9362D0000-0x00007FF9362E0000-memory.dmp

Filesize
64KB

Download
memory/3112-11-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

Filesize
2.0MB

Download
memory/3112-16-0x00007FF9362D0000-0x00007FF9362E0000-memory.dmp

Filesize
64KB

Download
memory/3112-10-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

Filesize
2.0MB

Download
memory/3112-9-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

Filesize
2.0MB

Download
memory/3112-0-0x00007FF938A90000-0x00007FF938AA0000-memory.dmp

Filesize
64KB

Download
memory/3112-7-0x00007FF938A90000-0x00007FF938AA0000-memory.dmp

Filesize
64KB

Download
memory/3112-3-0x00007FF938A90000-0x00007FF938AA0000-memory.dmp

Filesize
64KB

Download
memory/3112-6-0x00007FF938A90000-0x00007FF938AA0000-memory.dmp

Filesize
64KB

Download
memory/3112-4-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

Filesize
2.0MB

Download
memory/3112-41-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

Filesize
2.0MB

Download
memory/3112-42-0x00007FF978AAD000-0x00007FF978AAE000-memory.dmp

Filesize
4KB

Download
memory/3112-43-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

Filesize
2.0MB

Download
memory/3112-5-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

Filesize
2.0MB

Download
memory/3112-2-0x00007FF938A90000-0x00007FF938AA0000-memory.dmp

Filesize
64KB

Download
memory/3112-1-0x00007FF978AAD000-0x00007FF978AAE000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads