d71a8b835234e34cbde950b55a9f8e0bca2b206396724221c5dc101327f9082f

Analysis

max time kernel
133s
max time network
139s
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 21:52

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General

Target

d71a8b835234e34cbde950b55a9f8e0bca2b206396724221c5dc101327f9082f.xls
Size

46KB
MD5

7b5c7b61a62e8853941faf2a278765f3
SHA1

8956293547a6755d4a939bb1fd1481cb83dbf4cf
SHA256

d71a8b835234e34cbde950b55a9f8e0bca2b206396724221c5dc101327f9082f
SHA512

1f685b577a5f15ee4c7e68dc77b6fb3808e22140a7ffa3e35060b0e8f271fd769f6e52a003c3d1bcc74b9190c9b8260eb64195b4f75f3a7b427cae427185f46c
SSDEEP

768:pDMPKpb8rGYrMPe3q7Q0XV5xtezE8vpI8UM+VgTBs7QqvZQ4tsdurL:pYKpb8rGYrMPe3q7Q0XV5xtezE8vG8UL

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://202.29.80.55/2021/z/

xlm40.dropper

http://23.239.12.243/dealspot/SvebxVmFucz/

xlm40.dropper

https://adviceme.gr/test/SSzbOkk633/

Signatures

Process spawned unexpected child process 3 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	628	768	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2000	768	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2364	768	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\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
768	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
768	EXCEL.EXE
768	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
768	EXCEL.EXE
768	EXCEL.EXE
768	EXCEL.EXE
768	EXCEL.EXE
768	EXCEL.EXE
768	EXCEL.EXE
768	EXCEL.EXE
768	EXCEL.EXE
768	EXCEL.EXE
768	EXCEL.EXE
768	EXCEL.EXE
768	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 768 wrote to memory of 628	768	EXCEL.EXE	99
PID 768 wrote to memory of 628	768	EXCEL.EXE	99
PID 768 wrote to memory of 2000	768	EXCEL.EXE	100
PID 768 wrote to memory of 2000	768	EXCEL.EXE	100
PID 768 wrote to memory of 2364	768	EXCEL.EXE	101
PID 768 wrote to memory of 2364	768	EXCEL.EXE	101

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\d71a8b835234e34cbde950b55a9f8e0bca2b206396724221c5dc101327f9082f.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:768
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\wdusx1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:628
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\wdusx2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2000
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\wdusx3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2364

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\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
1KB

MD5
70795452d3f77927737eaa9ce900b21e

SHA1
7e7cf8a8d42c7e5e6538a091646133cbac80e891

SHA256
cbc72e1ef4d5f361f480222129879ee4e83839dd701b7e7d1d69ca4f007c16f5

SHA512
154732aa230d61b15d991d122166da7b81a28778c3186986962e3bdc3c8c33d3c74b856340b5812ead8044863a4ec4617ab98817f675c83b99f73c43fc091c5f

Download Submit
memory/768-6-0x00007FFAB5150000-0x00007FFAB5345000-memory.dmp

Filesize
2.0MB

Download
memory/768-3-0x00007FFA751D0000-0x00007FFA751E0000-memory.dmp

Filesize
64KB

Download
memory/768-4-0x00007FFA751D0000-0x00007FFA751E0000-memory.dmp

Filesize
64KB

Download
memory/768-5-0x00007FFA751D0000-0x00007FFA751E0000-memory.dmp

Filesize
64KB

Download
memory/768-2-0x00007FFA751D0000-0x00007FFA751E0000-memory.dmp

Filesize
64KB

Download
memory/768-0-0x00007FFA751D0000-0x00007FFA751E0000-memory.dmp

Filesize
64KB

Download
memory/768-7-0x00007FFAB5150000-0x00007FFAB5345000-memory.dmp

Filesize
2.0MB

Download
memory/768-8-0x00007FFA72C40000-0x00007FFA72C50000-memory.dmp

Filesize
64KB

Download
memory/768-9-0x00007FFA72C40000-0x00007FFA72C50000-memory.dmp

Filesize
64KB

Download
memory/768-21-0x00007FFAB5150000-0x00007FFAB5345000-memory.dmp

Filesize
2.0MB

Download
memory/768-22-0x00007FFAB51ED000-0x00007FFAB51EE000-memory.dmp

Filesize
4KB

Download
memory/768-1-0x00007FFAB51ED000-0x00007FFAB51EE000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads