c62b4badfe22b89fe0e69e235d0e4008a2a1fdabcdc537b7c861b8d1599cedea

Analysis

max time kernel
148s
max time network
147s
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 01:51

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General

Target

c62b4badfe22b89fe0e69e235d0e4008a2a1fdabcdc537b7c861b8d1599cedea.xls
Size

217KB
MD5

97f3621e19cc49f16fd6b7e892cc9d72
SHA1

26b81fca1be8faa32fcf668e1f7479a256334318
SHA256

c62b4badfe22b89fe0e69e235d0e4008a2a1fdabcdc537b7c861b8d1599cedea
SHA512

06e4fe48166f9ad738419efe3d4a683cf3fe044f517337c7480cc849a03c46721b7b7b65a1a153dec27237c6c1211d3e3283d1c9589e3b4f9712678e23edd971
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	4804	4916	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4768	4916	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3180	4916	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4060	4916	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\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
4916	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4916	EXCEL.EXE
4916	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4916	EXCEL.EXE
4916	EXCEL.EXE
4916	EXCEL.EXE
4916	EXCEL.EXE
4916	EXCEL.EXE
4916	EXCEL.EXE
4916	EXCEL.EXE
4916	EXCEL.EXE
4916	EXCEL.EXE
4916	EXCEL.EXE
4916	EXCEL.EXE
4916	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4916 wrote to memory of 4804	4916	EXCEL.EXE	68
PID 4916 wrote to memory of 4804	4916	EXCEL.EXE	68
PID 4916 wrote to memory of 4768	4916	EXCEL.EXE	69
PID 4916 wrote to memory of 4768	4916	EXCEL.EXE	69
PID 4916 wrote to memory of 3180	4916	EXCEL.EXE	70
PID 4916 wrote to memory of 3180	4916	EXCEL.EXE	70
PID 4916 wrote to memory of 4060	4916	EXCEL.EXE	71
PID 4916 wrote to memory of 4060	4916	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\c62b4badfe22b89fe0e69e235d0e4008a2a1fdabcdc537b7c861b8d1599cedea.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:4916
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4804
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4768
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:3180
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4060

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/4916-120-0x00007FF9D8990000-0x00007FF9D89A0000-memory.dmp

Filesize
64KB

Download
memory/4916-121-0x00007FF9D8990000-0x00007FF9D89A0000-memory.dmp

Filesize
64KB

Download
memory/4916-122-0x00007FF9D8990000-0x00007FF9D89A0000-memory.dmp

Filesize
64KB

Download
memory/4916-123-0x00007FF9D8990000-0x00007FF9D89A0000-memory.dmp

Filesize
64KB

Download
memory/4916-132-0x00007FF9D4ED0000-0x00007FF9D4EE0000-memory.dmp

Filesize
64KB

Download
memory/4916-133-0x00007FF9D4ED0000-0x00007FF9D4EE0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads