a59d849db620a9c459cf9a203dc391a918b1c822141bdf9d0b7d6cfabc1b4353

Analysis

max time kernel
139s
max time network
141s
platform
windows10_x64
resource
win10-20220414-en
submitted
07-07-2022 03:19

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General

Target

a59d849db620a9c459cf9a203dc391a918b1c822141bdf9d0b7d6cfabc1b4353.xls
Size

95KB
MD5

1e74b93bf30c2d9fb47ddc30685c27af
SHA1

b01fc24f9e50cd1d666c81a6e6c08d40c63e7bbd
SHA256

a59d849db620a9c459cf9a203dc391a918b1c822141bdf9d0b7d6cfabc1b4353
SHA512

6eef429301cac2971fd0c9bc19f5a974b9194f2e1c5531c9947d5eed0cd350f070ffc4062b3ff761def6ad6dc9ea0e85f5f8ce786de25b175225ddc411a2ecfe

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://edoraseguros.com.br/cgi-bin/jQNq9wlH1GXU/

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 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

Processes:

EXCEL.EXE

pid process

3192 EXCEL.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid process

3192 EXCEL.EXE
3192 EXCEL.EXE
3192 EXCEL.EXE
3192 EXCEL.EXE
3192 EXCEL.EXE
3192 EXCEL.EXE
3192 EXCEL.EXE
3192 EXCEL.EXE

pid	process
3192	EXCEL.EXE

pid	process
3192	EXCEL.EXE
3192	EXCEL.EXE
3192	EXCEL.EXE
3192	EXCEL.EXE
3192	EXCEL.EXE
3192	EXCEL.EXE
3192	EXCEL.EXE
3192	EXCEL.EXE

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\a59d849db620a9c459cf9a203dc391a918b1c822141bdf9d0b7d6cfabc1b4353.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3192

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3192-117-0x00007FFD648C0000-0x00007FFD648D0000-memory.dmp

Filesize
64KB

Download
memory/3192-118-0x00007FFD648C0000-0x00007FFD648D0000-memory.dmp

Filesize
64KB

Download
memory/3192-119-0x00007FFD648C0000-0x00007FFD648D0000-memory.dmp

Filesize
64KB

Download
memory/3192-120-0x00007FFD648C0000-0x00007FFD648D0000-memory.dmp

Filesize
64KB

Download
memory/3192-129-0x00007FFD618E0000-0x00007FFD618F0000-memory.dmp

Filesize
64KB

Download
memory/3192-130-0x00007FFD618E0000-0x00007FFD618F0000-memory.dmp

Filesize
64KB

Download