da644b867f32f4c76681fd2a7838d843f447f06f87a5ea98786031f0caf169cc

Analysis

max time kernel
160s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2022 21:36

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General

Target

2022-11-8-0be38d7e3fe5fc3a79a597ed1d254a50.xlsm
Size

228KB
MD5

0be38d7e3fe5fc3a79a597ed1d254a50
SHA1

f4eb84f6b1297f57e57780aa7fcabe6438880d40
SHA256

da644b867f32f4c76681fd2a7838d843f447f06f87a5ea98786031f0caf169cc
SHA512

e589d28f3394e198fd8cebf453952973c6967922b171d4f997499d78dd297ee62567418ce621b84848aa1d9d7e4258bd12b287de198a456b70450775b94f81b2
SSDEEP

6144:9w2WMrfxxjhBMMrxBRXZ5Dz3M1qa8L4cyO:9w2LDHf9PH5XUqRLTyO

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

httph.com/nutabalong/CfyFMHWntM3t/

xlm40.dropper

https://amorecuidados.com.br/wp-admin/baPRbSWvbBq/

xlm40.dropper

http://bet-invest.com/mail/nui/

xlm40.dropper

https://www.manchesterot.co.uk/about-us/KEfGo/

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	2292	620	regsvr32.exe	79
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3580	620	regsvr32.exe	79
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1492	620	regsvr32.exe	79
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2060	620	regsvr32.exe	79

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
620	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
620	EXCEL.EXE
620	EXCEL.EXE
620	EXCEL.EXE
620	EXCEL.EXE
620	EXCEL.EXE
620	EXCEL.EXE
620	EXCEL.EXE
620	EXCEL.EXE
620	EXCEL.EXE
620	EXCEL.EXE
620	EXCEL.EXE
620	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 620 wrote to memory of 2292	620	EXCEL.EXE	83
PID 620 wrote to memory of 2292	620	EXCEL.EXE	83
PID 620 wrote to memory of 3580	620	EXCEL.EXE	84
PID 620 wrote to memory of 3580	620	EXCEL.EXE	84
PID 620 wrote to memory of 1492	620	EXCEL.EXE	88
PID 620 wrote to memory of 1492	620	EXCEL.EXE	88
PID 620 wrote to memory of 2060	620	EXCEL.EXE	89
PID 620 wrote to memory of 2060	620	EXCEL.EXE	89

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\2022-11-8-0be38d7e3fe5fc3a79a597ed1d254a50.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:620
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:2292
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:3580
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:1492
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:2060

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/620-132-0x00007FF8356B0000-0x00007FF8356C0000-memory.dmp

Filesize
64KB

Download
memory/620-134-0x00007FF8356B0000-0x00007FF8356C0000-memory.dmp

Filesize
64KB

Download
memory/620-133-0x00007FF8356B0000-0x00007FF8356C0000-memory.dmp

Filesize
64KB

Download
memory/620-135-0x00007FF8356B0000-0x00007FF8356C0000-memory.dmp

Filesize
64KB

Download
memory/620-136-0x00007FF8356B0000-0x00007FF8356C0000-memory.dmp

Filesize
64KB

Download
memory/620-137-0x00007FF832E40000-0x00007FF832E50000-memory.dmp

Filesize
64KB

Download
memory/620-138-0x00007FF832E40000-0x00007FF832E50000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads