b13a80ec8064a62693a6ac15180a6cbd48e3c0bef89be2f7c525258efc350067

Analysis

max time kernel
129s
max time network
146s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
04/11/2022, 05:30

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General

Target

b13a80ec8064a62693a6ac15180a6cbd48e3c0bef89be2f7c525258efc350067.xls
Size

217KB
MD5

dab2910a25d6f162a6d723f803ed0416
SHA1

91fa3e449d1f226da2e265720afd7bd3c8debe74
SHA256

b13a80ec8064a62693a6ac15180a6cbd48e3c0bef89be2f7c525258efc350067
SHA512

c34c835113029a5bbc34508513de353958a217ec15e598fc83c79909fc20740d8493380c821277c452b871e78ce2f2f432bd216ccaba121814b7955ee11ea5b2
SSDEEP

6144:zKpb8rGYrMPe3q7Q0XV5xtuEsi8/dglyY+TAQXTHGUMEyP5p6f5jQmo:JbGUMVWlbo

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	3816	3104	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4736	3104	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3336	3104	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2952	3104	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 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
3104	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3104	EXCEL.EXE
3104	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3104	EXCEL.EXE
3104	EXCEL.EXE
3104	EXCEL.EXE
3104	EXCEL.EXE
3104	EXCEL.EXE
3104	EXCEL.EXE
3104	EXCEL.EXE
3104	EXCEL.EXE
3104	EXCEL.EXE
3104	EXCEL.EXE
3104	EXCEL.EXE
3104	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3104 wrote to memory of 3816	3104	EXCEL.EXE	68
PID 3104 wrote to memory of 3816	3104	EXCEL.EXE	68
PID 3104 wrote to memory of 4736	3104	EXCEL.EXE	69
PID 3104 wrote to memory of 4736	3104	EXCEL.EXE	69
PID 3104 wrote to memory of 3336	3104	EXCEL.EXE	70
PID 3104 wrote to memory of 3336	3104	EXCEL.EXE	70
PID 3104 wrote to memory of 2952	3104	EXCEL.EXE	71
PID 3104 wrote to memory of 2952	3104	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\b13a80ec8064a62693a6ac15180a6cbd48e3c0bef89be2f7c525258efc350067.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:3104
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:3816
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4736
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:3336
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:2952

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/3104-122-0x00007FFD2BB70000-0x00007FFD2BB80000-memory.dmp

Filesize
64KB

Download
memory/3104-121-0x00007FFD2BB70000-0x00007FFD2BB80000-memory.dmp

Filesize
64KB

Download
memory/3104-119-0x00007FFD2BB70000-0x00007FFD2BB80000-memory.dmp

Filesize
64KB

Download
memory/3104-131-0x00007FFD28D90000-0x00007FFD28DA0000-memory.dmp

Filesize
64KB

Download
memory/3104-132-0x00007FFD28D90000-0x00007FFD28DA0000-memory.dmp

Filesize
64KB

Download
memory/3104-120-0x00007FFD2BB70000-0x00007FFD2BB80000-memory.dmp

Filesize
64KB

Download
memory/3104-293-0x00007FFD2BB70000-0x00007FFD2BB80000-memory.dmp

Filesize
64KB

Download
memory/3104-294-0x00007FFD2BB70000-0x00007FFD2BB80000-memory.dmp

Filesize
64KB

Download
memory/3104-295-0x00007FFD2BB70000-0x00007FFD2BB80000-memory.dmp

Filesize
64KB

Download
memory/3104-296-0x00007FFD2BB70000-0x00007FFD2BB80000-memory.dmp

Filesize
64KB

Download

Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads