a96b8f2b6dfbe6851870a76ba921d3a5b5aea7cb5334fa7092419064d8ec591b

Analysis

max time kernel
141s
max time network
139s
platform
windows10_x64
resource
win10-20220414-en
submitted
07-07-2022 03:52

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General

Target

a96b8f2b6dfbe6851870a76ba921d3a5b5aea7cb5334fa7092419064d8ec591b.xls
Size

95KB
MD5

4f0d4a25561e876624f2b2454ae7a472
SHA1

4374f16a6ab447047245cf550c9ccc2f76c482c2
SHA256

a96b8f2b6dfbe6851870a76ba921d3a5b5aea7cb5334fa7092419064d8ec591b
SHA512

7f487558a1b96bb34d4e6f7a8ea9b0b197d61fa9f327536b91da2decd8d43246950a7de5e999e20a23729c1791d167858ce8b1c8db288e94abf6a16838cb8d3e

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3152 EXCEL.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid process

3152 EXCEL.EXE
3152 EXCEL.EXE
3152 EXCEL.EXE
3152 EXCEL.EXE
3152 EXCEL.EXE
3152 EXCEL.EXE
3152 EXCEL.EXE
3152 EXCEL.EXE

pid	process
3152	EXCEL.EXE

pid	process
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	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\a96b8f2b6dfbe6851870a76ba921d3a5b5aea7cb5334fa7092419064d8ec591b.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3152

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/3152-119-0x00007FF8936B0000-0x00007FF8936C0000-memory.dmp

Filesize
64KB

Download
memory/3152-120-0x00007FF8936B0000-0x00007FF8936C0000-memory.dmp

Filesize
64KB

Download
memory/3152-121-0x00007FF8936B0000-0x00007FF8936C0000-memory.dmp

Filesize
64KB

Download
memory/3152-122-0x00007FF8936B0000-0x00007FF8936C0000-memory.dmp

Filesize
64KB

Download
memory/3152-131-0x00007FF890910000-0x00007FF890920000-memory.dmp

Filesize
64KB

Download
memory/3152-132-0x00007FF890910000-0x00007FF890920000-memory.dmp

Filesize
64KB

Download