4118622fc8f391005174a122315e383ac5dda491d3dbc9ee8c1fa45d5412c2cc

General

Target

4118622fc8f391005174a122315e383ac5dda491d3dbc9ee8c1fa45d5412c2cc.xls
Size

95KB
MD5

185ba74d5bab5f139153828244fd7990
SHA1

5826836e0e702ac54e911d71860e6460b6aec432
SHA256

4118622fc8f391005174a122315e383ac5dda491d3dbc9ee8c1fa45d5412c2cc
SHA512

cf13dae4343945379b6b07c53b9a7f1c1eaa75158a878981946895a2489e53166e42bffa353345a7dd6ee2b78c745407e36130687ca3b6814e628037ccdbd6ef

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://edoraseguros.com.br/cgi-bin/jQNq9wlH1GXU/

xlm40.dropper

http://earthmach.co.za/libraries/tWkZh9YrXbTd6IeX/

xlm40.dropper

http://finvest.rs/wp-admin/Hr9nVNTIHgw59S/

xlm40.dropper

http://efverstedt.se/5jjaV/w7fLEHJ20xn0qD/

Signatures

Process spawned unexpected child process 4 IoCs

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

Processes:

regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.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	3912	3380	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4044	3380	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3420	3380	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2640	3380	regsvr32.exe	EXCEL.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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 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

Processes:

EXCEL.EXE

pid process

3380 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

3380 EXCEL.EXE
3380 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3380	EXCEL.EXE
3380	EXCEL.EXE
3380	EXCEL.EXE
3380	EXCEL.EXE
3380	EXCEL.EXE
3380	EXCEL.EXE
3380	EXCEL.EXE
3380	EXCEL.EXE
3380	EXCEL.EXE
3380	EXCEL.EXE
3380	EXCEL.EXE
3380	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 3380 wrote to memory of 3912	3380	EXCEL.EXE	regsvr32.exe
PID 3380 wrote to memory of 3912	3380	EXCEL.EXE	regsvr32.exe
PID 3380 wrote to memory of 4044	3380	EXCEL.EXE	regsvr32.exe
PID 3380 wrote to memory of 4044	3380	EXCEL.EXE	regsvr32.exe
PID 3380 wrote to memory of 3420	3380	EXCEL.EXE	regsvr32.exe
PID 3380 wrote to memory of 3420	3380	EXCEL.EXE	regsvr32.exe
PID 3380 wrote to memory of 2640	3380	EXCEL.EXE	regsvr32.exe
PID 3380 wrote to memory of 2640	3380	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\4118622fc8f391005174a122315e383ac5dda491d3dbc9ee8c1fa45d5412c2cc.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:3380

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:3912

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:4044

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:3420

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:2640

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2640-258-0x0000000000000000-mapping.dmp

Download
memory/3380-122-0x00007FFEC05E0000-0x00007FFEC05F0000-memory.dmp

Filesize
64KB

Download
memory/3380-121-0x00007FFEC05E0000-0x00007FFEC05F0000-memory.dmp

Filesize
64KB

Download
memory/3380-119-0x00007FFEC05E0000-0x00007FFEC05F0000-memory.dmp

Filesize
64KB

Download
memory/3380-131-0x00007FFEBD4C0000-0x00007FFEBD4D0000-memory.dmp

Filesize
64KB

Download
memory/3380-132-0x00007FFEBD4C0000-0x00007FFEBD4D0000-memory.dmp

Filesize
64KB

Download
memory/3380-120-0x00007FFEC05E0000-0x00007FFEC05F0000-memory.dmp

Filesize
64KB

Download
memory/3380-295-0x00007FFEC05E0000-0x00007FFEC05F0000-memory.dmp

Filesize
64KB

Download
memory/3380-296-0x00007FFEC05E0000-0x00007FFEC05F0000-memory.dmp

Filesize
64KB

Download
memory/3380-297-0x00007FFEC05E0000-0x00007FFEC05F0000-memory.dmp

Filesize
64KB

Download
memory/3380-298-0x00007FFEC05E0000-0x00007FFEC05F0000-memory.dmp

Filesize
64KB

Download
memory/3420-257-0x0000000000000000-mapping.dmp

Download
memory/3912-255-0x0000000000000000-mapping.dmp

Download
memory/4044-256-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads