971628ac87ae8c821a3a09469fc24d3752fb1a30b28ed0e0ffd00500615fb3c0

General

Target

971628ac87ae8c821a3a09469fc24d3752fb1a30b28ed0e0ffd00500615fb3c0.xlsm
Size

37KB
MD5

c48c0424f9a8fdcae930b8782d738017
SHA1

97c3cecb4e447b4374e3ee5614458f5abecb2c88
SHA256

971628ac87ae8c821a3a09469fc24d3752fb1a30b28ed0e0ffd00500615fb3c0
SHA512

bb7239fe527e698d1e15846b1de55c2a06decf0c216b17095fcdc32f415324253afe7125a91cc262ca32a1473e2683b7ed0cc7fbd9829195ee6d9b71177d4981
SSDEEP

768:5BnpO75ZJVzXxjOZpqcVbZYpoRuBlIiOKMArOoooooooooooooooooooooooooo1:30lpZOZZ1ZYpoQ/pMAQVr

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://broadwaymelody.ca/stats/DVYw4Qpcf1yo/

xlm40.dropper

https://bigideas.com.au/images/w5FLAJPmvbk9/

xlm40.dropper

https://webstream.jp/died-wing/oOzfVc/

xlm40.dropper

https://24hbinhphuoc.com.vn/data/FosZ5GFS6PP3kshbVn7/

xlm40.dropper

https://bmnegociosinmobiliarios.com.ar/cgi-bin/bijhAMWReA0H3i8a/

xlm40.dropper

https://binnuryetikdanismanlik.com.tr/images/VbytyOFtS1MF/

xlm40.dropper

https://breedid.nl/cgi-bin/aCbt/

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

regsvr32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3256	3820	regsvr32.exe	EXCEL.EXE

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
discovery

System Language Discovery
T1614.001

Processes:

regsvr32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

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

Processes:

EXCEL.EXE

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

Processes:

EXCEL.EXE

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

Processes:

EXCEL.EXE

pid process

3820 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

3820 EXCEL.EXE
3820 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3820	EXCEL.EXE
3820	EXCEL.EXE
3820	EXCEL.EXE
3820	EXCEL.EXE
3820	EXCEL.EXE
3820	EXCEL.EXE
3820	EXCEL.EXE
3820	EXCEL.EXE
3820	EXCEL.EXE
3820	EXCEL.EXE
3820	EXCEL.EXE
3820	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 3820 wrote to memory of 3256	3820	EXCEL.EXE	regsvr32.exe
PID 3820 wrote to memory of 3256	3820	EXCEL.EXE	regsvr32.exe
PID 3820 wrote to memory of 3256	3820	EXCEL.EXE	regsvr32.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\971628ac87ae8c821a3a09469fc24d3752fb1a30b28ed0e0ffd00500615fb3c0.xlsm"
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:3820
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe -s ..\dfeb.ses
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:3256

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
3KB

MD5
807861af59d157ed1c7f351320c86b59

SHA1
5b27eae5f0bbb2577a77eaa4fd5382961736821b

SHA256
126feed98bd893b75f3c4da4300dad091e899ca37c6662ee8e67e3f13f0ae270

SHA512
36d809395e3423b9714a551d88adb42d6b3ed1ba2fa5de339828253dede2b812abdc84c42d936b65595fb431b49f1a6b3d1838dbb43b845e188610905f527e62

Download Submit
memory/3820-8-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/3820-9-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/3820-17-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/3820-1-0x00007FFF1506D000-0x00007FFF1506E000-memory.dmp

Filesize
4KB

Download
memory/3820-20-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/3820-11-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/3820-13-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/3820-19-0x00007FFED2800000-0x00007FFED2810000-memory.dmp

Filesize
64KB

Download
memory/3820-14-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/3820-15-0x00007FFED2800000-0x00007FFED2810000-memory.dmp

Filesize
64KB

Download
memory/3820-10-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/3820-2-0x00007FFED5050000-0x00007FFED5060000-memory.dmp

Filesize
64KB

Download
memory/3820-4-0x00007FFED5050000-0x00007FFED5060000-memory.dmp

Filesize
64KB

Download
memory/3820-3-0x00007FFED5050000-0x00007FFED5060000-memory.dmp

Filesize
64KB

Download
memory/3820-12-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/3820-18-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/3820-16-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/3820-7-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/3820-6-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/3820-5-0x00007FFED5050000-0x00007FFED5060000-memory.dmp

Filesize
64KB

Download
memory/3820-45-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/3820-46-0x00007FFF1506D000-0x00007FFF1506E000-memory.dmp

Filesize
4KB

Download
memory/3820-47-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/3820-51-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/3820-0-0x00007FFED5050000-0x00007FFED5060000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads