1e09ddeaa796768014703964bdba506aff272d9260d635c69e8d20b8b9478412

General

Target

1e09ddeaa796768014703964bdba506aff272d9260d635c69e8d20b8b9478412.xls
Size

48KB
MD5

4083748f5ce60a76ca0aef03b4acf0b3
SHA1

19698284048bfbe8f07cd075927e145b3f3dd7d2
SHA256

1e09ddeaa796768014703964bdba506aff272d9260d635c69e8d20b8b9478412
SHA512

adce5c74847ad5007d64b15f4e7f590ba44b4b9ec4d27017e7f2ff48484d2c46a34654dd538230c1b196348fd66f0b5b4942f96e96f3aeaf437f7a7a4b3a55c2
SSDEEP

768:uDM52tfQXi8vgLZkTOHkQT51Vp6AwPdM8gQ6JL/K9abdDKHGeWmqkySbuR/3ej79:u62tfQXi8vgLZkTOHkQT51Vp6AwPe8gy

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://famesa.com.ar/dos/gaa/

xlm40.dropper

https://www.fantasyclub.com.br/imgs/rggmVTfvT/

xlm40.dropper

http://ecoarch.com.tw/cgi-bin/vWW/

xlm40.dropper

https://dp-flex.co.jp/cgi-bin/Bt3Ycq5Tix/

xlm40.dropper

http://dharmacomunicacao.com.br/OLD/PjBkVBhUH/

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	880	4656	regsvr32.exe	82

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 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

pid	Process
4656	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4656	EXCEL.EXE
4656	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
4656	EXCEL.EXE
4656	EXCEL.EXE
4656	EXCEL.EXE
4656	EXCEL.EXE
4656	EXCEL.EXE
4656	EXCEL.EXE
4656	EXCEL.EXE
4656	EXCEL.EXE
4656	EXCEL.EXE
4656	EXCEL.EXE
4656	EXCEL.EXE
4656	EXCEL.EXE
4656	EXCEL.EXE
4656	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4656 wrote to memory of 880	4656	EXCEL.EXE	94
PID 4656 wrote to memory of 880	4656	EXCEL.EXE	94

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\1e09ddeaa796768014703964bdba506aff272d9260d635c69e8d20b8b9478412.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4656
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32.exe ..\wnrul.ocx
  2⤵
  - Process spawned unexpected child process
  PID:880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

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
3KB

MD5
4683a47f2f60b55fca0cb58842a1c3b9

SHA1
1d33979ada50b71ca1e9b56a16e4b36d97b8c4b6

SHA256
5a379dcb16295f7e53af770cde40e829ce0c1640aae5c13e26c6ecc5651d356d

SHA512
55c668b00ed6d21ff6660580b90b47282f5966fa75b5b980578c808443a1c7efb6dcff7907bd817cb912f3f8e3325510e3dff3af8107e64ea8e739de40246126

Download Submit
C:\Users\Admin\wnrul.ocx

Filesize
3KB

MD5
cc666088a917dd7f5da8b6689069aec0

SHA1
f688de634ccd20939a522391abb5049483e726bd

SHA256
332d102987273318f13e7fc89a043613c6dd5dd7eb7d21033a2ab73dd438a405

SHA512
77a15aebeb10d355e3723fdebd2ea59a09a60d54f09ab9a6f06c52dbfa3bea0965ff49b7a1c2e6f4ff94f3fe903e6301188de2f80801a8a978c8c09b3356c8dc

Download Submit
memory/4656-6-0x00007FFFC3F70000-0x00007FFFC4165000-memory.dmp

Filesize
2.0MB

Download
memory/4656-11-0x00007FFFC3F70000-0x00007FFFC4165000-memory.dmp

Filesize
2.0MB

Download
memory/4656-5-0x00007FFFC3F70000-0x00007FFFC4165000-memory.dmp

Filesize
2.0MB

Download
memory/4656-0-0x00007FFF83FF0000-0x00007FFF84000000-memory.dmp

Filesize
64KB

Download
memory/4656-4-0x00007FFF83FF0000-0x00007FFF84000000-memory.dmp

Filesize
64KB

Download
memory/4656-7-0x00007FFF83FF0000-0x00007FFF84000000-memory.dmp

Filesize
64KB

Download
memory/4656-10-0x00007FFFC3F70000-0x00007FFFC4165000-memory.dmp

Filesize
2.0MB

Download
memory/4656-9-0x00007FFFC3F70000-0x00007FFFC4165000-memory.dmp

Filesize
2.0MB

Download
memory/4656-8-0x00007FFFC3F70000-0x00007FFFC4165000-memory.dmp

Filesize
2.0MB

Download
memory/4656-2-0x00007FFF83FF0000-0x00007FFF84000000-memory.dmp

Filesize
64KB

Download
memory/4656-13-0x00007FFF816E0000-0x00007FFF816F0000-memory.dmp

Filesize
64KB

Download
memory/4656-12-0x00007FFFC3F70000-0x00007FFFC4165000-memory.dmp

Filesize
2.0MB

Download
memory/4656-14-0x00007FFF816E0000-0x00007FFF816F0000-memory.dmp

Filesize
64KB

Download
memory/4656-3-0x00007FFF83FF0000-0x00007FFF84000000-memory.dmp

Filesize
64KB

Download
memory/4656-41-0x00007FFFC3F70000-0x00007FFFC4165000-memory.dmp

Filesize
2.0MB

Download
memory/4656-42-0x00007FFFC400D000-0x00007FFFC400E000-memory.dmp

Filesize
4KB

Download
memory/4656-43-0x00007FFFC3F70000-0x00007FFFC4165000-memory.dmp

Filesize
2.0MB

Download
memory/4656-44-0x00007FFFC3F70000-0x00007FFFC4165000-memory.dmp

Filesize
2.0MB

Download
memory/4656-1-0x00007FFFC400D000-0x00007FFFC400E000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads