f31008d5a84603b38b18fd2d79d974aa231bde38737e12b85918cb90ade07f98

Analysis

max time kernel
128s
max time network
131s
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, 02:49

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

f31008d5a84603b38b18fd2d79d974aa231bde38737e12b85918cb90ade07f98.xls
Size

217KB
MD5

f6dd0765fb84ca37e619e6117bfd0e72
SHA1

a3c64daee4de3f52c12ace734be93a75f6b170e0
SHA256

f31008d5a84603b38b18fd2d79d974aa231bde38737e12b85918cb90ade07f98
SHA512

378ce2bc74a2fc75fedb4f908bab5080704533751194215c4764d80d87411e8aee03f983c7cd557c90e07d48fd54098fe7793007c55422a2c6174f0ed37f3bd7
SSDEEP

6144:zKpb8rGYrMPe3q7Q0XV5xtuEsi8/dglyY+TAQXTHGUMEyP5p6f5jQmc:JbGUMVWlbc

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	5048	3932	regsvr32.exe	66
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4984	3932	regsvr32.exe	66
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5088	3932	regsvr32.exe	66
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	492	3932	regsvr32.exe	66

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
3932	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3932	EXCEL.EXE
3932	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3932	EXCEL.EXE
3932	EXCEL.EXE
3932	EXCEL.EXE
3932	EXCEL.EXE
3932	EXCEL.EXE
3932	EXCEL.EXE
3932	EXCEL.EXE
3932	EXCEL.EXE
3932	EXCEL.EXE
3932	EXCEL.EXE
3932	EXCEL.EXE
3932	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3932 wrote to memory of 5048	3932	EXCEL.EXE	69
PID 3932 wrote to memory of 5048	3932	EXCEL.EXE	69
PID 3932 wrote to memory of 4984	3932	EXCEL.EXE	70
PID 3932 wrote to memory of 4984	3932	EXCEL.EXE	70
PID 3932 wrote to memory of 5088	3932	EXCEL.EXE	71
PID 3932 wrote to memory of 5088	3932	EXCEL.EXE	71
PID 3932 wrote to memory of 492	3932	EXCEL.EXE	72
PID 3932 wrote to memory of 492	3932	EXCEL.EXE	72

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\f31008d5a84603b38b18fd2d79d974aa231bde38737e12b85918cb90ade07f98.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:3932
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:5048
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4984
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:5088
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:492

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3932-119-0x00007FFBDF500000-0x00007FFBDF510000-memory.dmp

Filesize
64KB

Download
memory/3932-118-0x00007FFBDF500000-0x00007FFBDF510000-memory.dmp

Filesize
64KB

Download
memory/3932-116-0x00007FFBDF500000-0x00007FFBDF510000-memory.dmp

Filesize
64KB

Download
memory/3932-128-0x00007FFBDC7E0000-0x00007FFBDC7F0000-memory.dmp

Filesize
64KB

Download
memory/3932-129-0x00007FFBDC7E0000-0x00007FFBDC7F0000-memory.dmp

Filesize
64KB

Download
memory/3932-117-0x00007FFBDF500000-0x00007FFBDF510000-memory.dmp

Filesize
64KB

Download
memory/3932-308-0x00007FFBDF500000-0x00007FFBDF510000-memory.dmp

Filesize
64KB

Download
memory/3932-309-0x00007FFBDF500000-0x00007FFBDF510000-memory.dmp

Filesize
64KB

Download
memory/3932-310-0x00007FFBDF500000-0x00007FFBDF510000-memory.dmp

Filesize
64KB

Download
memory/3932-311-0x00007FFBDF500000-0x00007FFBDF510000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads