24267e3304bbcbae8b5f1da12ca9b9ce05905fe68c7416e8550962b5997d4700

Analysis

max time kernel
144s
max time network
145s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
04/11/2022, 07:20

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General

Target

24267e3304bbcbae8b5f1da12ca9b9ce05905fe68c7416e8550962b5997d4700.xls
Size

217KB
MD5

73cadfe8a1276fcaeaca213d4ef43154
SHA1

be0ef142446057f7f1e715e03c8c1e3e96f353a2
SHA256

24267e3304bbcbae8b5f1da12ca9b9ce05905fe68c7416e8550962b5997d4700
SHA512

5446eae139a4e0fb2ffb53a57e8818bfecf6902a6f3be0177f502272557171dc039cf6ab73bdca094606bc51461f5be3296643def920dbb0cf9a17ef5f72d7cd
SSDEEP

6144:zKpb8rGYrMPe3q7Q0XV5xtuEsi8/dglyY+TAQXTHGUMEyP5p6f5jQmI:JbGUMVWlbI

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://aquariorecords.com.br/wp-content/A8G3ownNApEj1L4hF/

xlm40.dropper

http://ftp.pricoat.com.mx/Fichas/3ybJLLXu5zqqn8Sx/

xlm40.dropper

http://armannahalpersian.ir/3H5qqUOB/

xlm40.dropper

http://alagi.ge/application/irnz5Rs8qWvQrf/

Signatures

Process spawned unexpected child process 4 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	4928	2552	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4056	2552	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3980	2552	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1268	2552	regsvr32.exe	65

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 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
2552	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2552	EXCEL.EXE
2552	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2552	EXCEL.EXE
2552	EXCEL.EXE
2552	EXCEL.EXE
2552	EXCEL.EXE
2552	EXCEL.EXE
2552	EXCEL.EXE
2552	EXCEL.EXE
2552	EXCEL.EXE
2552	EXCEL.EXE
2552	EXCEL.EXE
2552	EXCEL.EXE
2552	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 4928	2552	EXCEL.EXE	68
PID 2552 wrote to memory of 4928	2552	EXCEL.EXE	68
PID 2552 wrote to memory of 4056	2552	EXCEL.EXE	69
PID 2552 wrote to memory of 4056	2552	EXCEL.EXE	69
PID 2552 wrote to memory of 3980	2552	EXCEL.EXE	70
PID 2552 wrote to memory of 3980	2552	EXCEL.EXE	70
PID 2552 wrote to memory of 1268	2552	EXCEL.EXE	71
PID 2552 wrote to memory of 1268	2552	EXCEL.EXE	71

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\24267e3304bbcbae8b5f1da12ca9b9ce05905fe68c7416e8550962b5997d4700.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:2552
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4928
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4056
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:3980
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:1268

Network

MITRE ATT&CK Enterprise v6

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

memory/2552-120-0x00007FFC91840000-0x00007FFC91850000-memory.dmp

Filesize
64KB

Download
memory/2552-121-0x00007FFC91840000-0x00007FFC91850000-memory.dmp

Filesize
64KB

Download
memory/2552-122-0x00007FFC91840000-0x00007FFC91850000-memory.dmp

Filesize
64KB

Download
memory/2552-123-0x00007FFC91840000-0x00007FFC91850000-memory.dmp

Filesize
64KB

Download
memory/2552-132-0x00007FFC8E0F0000-0x00007FFC8E100000-memory.dmp

Filesize
64KB

Download
memory/2552-133-0x00007FFC8E0F0000-0x00007FFC8E100000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads