cf0c4ea971c8025ac11b1d4b717b2d1fc8b49a1be5022c83b7c8760c19860474

Analysis

max time kernel
134s
max time network
146s
platform
windows10_x64
resource
win10-20220414-en
submitted
07-07-2022 03:37

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General

Target

cf0c4ea971c8025ac11b1d4b717b2d1fc8b49a1be5022c83b7c8760c19860474.xls
Size

95KB
MD5

78b3327e250997f14c9bc3d2e2da9296
SHA1

86c136a72875264266f3e51347514816cdb22de1
SHA256

cf0c4ea971c8025ac11b1d4b717b2d1fc8b49a1be5022c83b7c8760c19860474
SHA512

c3e34e769ba8108a94e6cdd32b1dd8fe552ff1fbafc1fd266fbd0f8b15667ecf695502b3a0fd6c992ae0f72f7758eec9ce95db6413c420482c9e3b005fbfee28

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

2860 EXCEL.EXE
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

EXCEL.EXE

pid process

2860 EXCEL.EXE
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

EXCEL.EXE

pid process

2860 EXCEL.EXE
2860 EXCEL.EXE
2860 EXCEL.EXE
2860 EXCEL.EXE
2860 EXCEL.EXE
2860 EXCEL.EXE

pid	process
2860	EXCEL.EXE

pid	process
2860	EXCEL.EXE

pid	process
2860	EXCEL.EXE
2860	EXCEL.EXE
2860	EXCEL.EXE
2860	EXCEL.EXE
2860	EXCEL.EXE
2860	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\cf0c4ea971c8025ac11b1d4b717b2d1fc8b49a1be5022c83b7c8760c19860474.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2860

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/2860-114-0x00007FFF5B630000-0x00007FFF5B640000-memory.dmp

Filesize
64KB

Download
memory/2860-115-0x00007FFF5B630000-0x00007FFF5B640000-memory.dmp

Filesize
64KB

Download
memory/2860-116-0x00007FFF5B630000-0x00007FFF5B640000-memory.dmp

Filesize
64KB

Download
memory/2860-117-0x00007FFF5B630000-0x00007FFF5B640000-memory.dmp

Filesize
64KB

Download
memory/2860-126-0x00007FFF57AC0000-0x00007FFF57AD0000-memory.dmp

Filesize
64KB

Download
memory/2860-127-0x00007FFF57AC0000-0x00007FFF57AD0000-memory.dmp

Filesize
64KB

Download