0d3d978fa7182903220dab8ae73f7289a658602eb6263cbcb7cbdfbd4595c568

General

Target

0d3d978fa7182903220dab8ae73f7289a658602eb6263cbcb7cbdfbd4595c568.xls
Size

47KB
MD5

5f0ae94b4a29ed1c2b3f2e3e7085ce3d
SHA1

a2e268c84deba2fec710e655d34b8cc9f7c5eb55
SHA256

0d3d978fa7182903220dab8ae73f7289a658602eb6263cbcb7cbdfbd4595c568
SHA512

bb154fbb8ac65a7cf56978d4be796ec663136508497414615637551fdbf3fe0791ba6823398fe2d62ab251348f2998840e50cb59a8922251b39995b7b04796dc
SSDEEP

768:4DM52tfQXi8vgLZkTOHkQT51Vp6AwPdM8gQ6JT5X6DGwUdh+pqjeSLjcvLtzrxFq:462tfQXi8vgLZkTOHkQT51Vp6AwPe8gP

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://www.escueladecinemza.com.ar/_installation/IBlj/

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	3664	4336	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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
4336	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4336	EXCEL.EXE
4336	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
4336	EXCEL.EXE
4336	EXCEL.EXE
4336	EXCEL.EXE
4336	EXCEL.EXE
4336	EXCEL.EXE
4336	EXCEL.EXE
4336	EXCEL.EXE
4336	EXCEL.EXE
4336	EXCEL.EXE
4336	EXCEL.EXE
4336	EXCEL.EXE
4336	EXCEL.EXE
4336	EXCEL.EXE
4336	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4336 wrote to memory of 3664	4336	EXCEL.EXE	92
PID 4336 wrote to memory of 3664	4336	EXCEL.EXE	92

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\0d3d978fa7182903220dab8ae73f7289a658602eb6263cbcb7cbdfbd4595c568.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:4336
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32.exe ..\wnrul.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3664

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\wnrul.ocx

Filesize
86KB

MD5
dfdb83bd3445e3f2ea46b104976c8d43

SHA1
78e1237f69e9ba18a68a2c72b6a78179fc01c29b

SHA256
76e4a6a2d7ade92678bdc5dd447199ce8f16496d32b36b000726053a89e89443

SHA512
6950cad2b1e7f9a20015ee358a44a7def9db96cb395c21a21fece6348e24cf4d307e10091b5f84edeb84368d9f435a82366ed992bcb372e078571a7b97cc328a

Download Submit
memory/4336-9-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4336-13-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4336-1-0x00007FFB0CA0D000-0x00007FFB0CA0E000-memory.dmp

Filesize
4KB

Download
memory/4336-0-0x00007FFACC9F0000-0x00007FFACCA00000-memory.dmp

Filesize
64KB

Download
memory/4336-5-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4336-6-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4336-7-0x00007FFACC9F0000-0x00007FFACCA00000-memory.dmp

Filesize
64KB

Download
memory/4336-10-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4336-11-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4336-14-0x00007FFACA700000-0x00007FFACA710000-memory.dmp

Filesize
64KB

Download
memory/4336-4-0x00007FFACC9F0000-0x00007FFACCA00000-memory.dmp

Filesize
64KB

Download
memory/4336-8-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4336-3-0x00007FFACC9F0000-0x00007FFACCA00000-memory.dmp

Filesize
64KB

Download
memory/4336-12-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4336-15-0x00007FFACA700000-0x00007FFACA710000-memory.dmp

Filesize
64KB

Download
memory/4336-17-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4336-16-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4336-36-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4336-2-0x00007FFACC9F0000-0x00007FFACCA00000-memory.dmp

Filesize
64KB

Download
memory/4336-42-0x00007FFB0CA0D000-0x00007FFB0CA0E000-memory.dmp

Filesize
4KB

Download
memory/4336-43-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4336-44-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads