d1fb043984f9672efa7274627a788d0712fce3dc723e59b20bff44dcc41040f4

Analysis

max time kernel
134s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20/11/2024, 00:03

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General

Target

d1fb043984f9672efa7274627a788d0712fce3dc723e59b20bff44dcc41040f4.xls
Size

40KB
MD5

9f1357eef36373b327aa12e2199fdff1
SHA1

7f5a41af7f82eb6bb517b35280c6010d5d814fd0
SHA256

d1fb043984f9672efa7274627a788d0712fce3dc723e59b20bff44dcc41040f4
SHA512

6011759a31dc05514c26386e81752b459a7f67cc3e7e611ef5f69e9d20c49f4e058345ff1a6c8c5f8e5a6f66cdd5b18fadffd73df368dc905858a2d120a011ec
SSDEEP

768:pkZKpb8rGYrMPe3q7Q0XV5xtezEs/68/dgAdCBn9kC+xbqc6q+otrvEVLcAo:p+Kpb8rGYrMPe3q7Q0XV5xtezEsi8/d5

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://www.itesmeitic.com/term/IFjx5ElE0ldr8wDDHjub/

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	1232	1372	regsvr32.exe	84

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
1372	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1372	EXCEL.EXE
1372	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
1372	EXCEL.EXE
1372	EXCEL.EXE
1372	EXCEL.EXE
1372	EXCEL.EXE
1372	EXCEL.EXE
1372	EXCEL.EXE
1372	EXCEL.EXE
1372	EXCEL.EXE
1372	EXCEL.EXE
1372	EXCEL.EXE
1372	EXCEL.EXE
1372	EXCEL.EXE
1372	EXCEL.EXE
1372	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1372 wrote to memory of 1232	1372	EXCEL.EXE	88
PID 1372 wrote to memory of 1232	1372	EXCEL.EXE	88

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\d1fb043984f9672efa7274627a788d0712fce3dc723e59b20bff44dcc41040f4.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:1372
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe ..\wurod.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1232

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\wurod.ocx

Filesize
62B

MD5
ec66f7f0da293c14d1ec051ab12dc4b2

SHA1
cc7c57f49917f5b76034d36ca181f9b21c223359

SHA256
46bc6e73a86ffb0bd0a01cdca281c4c18dde6ceae509a70621e91d10e128f9f0

SHA512
56a145f571243a8db4eb28752f45ecf1e89f7db1f3bd387aef5f54c262db2361649e1e0fdd06910b5ab63a91dc2fdf9587ca494e56233cdb30fee2b92a9856f3

Download Submit
memory/1372-14-0x00007FFCE5690000-0x00007FFCE5885000-memory.dmp

Filesize
2.0MB

Download
memory/1372-15-0x00007FFCE5690000-0x00007FFCE5885000-memory.dmp

Filesize
2.0MB

Download
memory/1372-0-0x00007FFCA5710000-0x00007FFCA5720000-memory.dmp

Filesize
64KB

Download
memory/1372-1-0x00007FFCA5710000-0x00007FFCA5720000-memory.dmp

Filesize
64KB

Download
memory/1372-5-0x00007FFCA5710000-0x00007FFCA5720000-memory.dmp

Filesize
64KB

Download
memory/1372-8-0x00007FFCE5690000-0x00007FFCE5885000-memory.dmp

Filesize
2.0MB

Download
memory/1372-7-0x00007FFCE5690000-0x00007FFCE5885000-memory.dmp

Filesize
2.0MB

Download
memory/1372-6-0x00007FFCE5690000-0x00007FFCE5885000-memory.dmp

Filesize
2.0MB

Download
memory/1372-3-0x00007FFCE572D000-0x00007FFCE572E000-memory.dmp

Filesize
4KB

Download
memory/1372-13-0x00007FFCE5690000-0x00007FFCE5885000-memory.dmp

Filesize
2.0MB

Download
memory/1372-4-0x00007FFCA5710000-0x00007FFCA5720000-memory.dmp

Filesize
64KB

Download
memory/1372-12-0x00007FFCE5690000-0x00007FFCE5885000-memory.dmp

Filesize
2.0MB

Download
memory/1372-16-0x00007FFCA2FF0000-0x00007FFCA3000000-memory.dmp

Filesize
64KB

Download
memory/1372-11-0x00007FFCE5690000-0x00007FFCE5885000-memory.dmp

Filesize
2.0MB

Download
memory/1372-10-0x00007FFCE5690000-0x00007FFCE5885000-memory.dmp

Filesize
2.0MB

Download
memory/1372-9-0x00007FFCE5690000-0x00007FFCE5885000-memory.dmp

Filesize
2.0MB

Download
memory/1372-17-0x00007FFCA2FF0000-0x00007FFCA3000000-memory.dmp

Filesize
64KB

Download
memory/1372-2-0x00007FFCA5710000-0x00007FFCA5720000-memory.dmp

Filesize
64KB

Download
memory/1372-35-0x00007FFCE5690000-0x00007FFCE5885000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads