8417df5243616b3555ae82394cec26ac2003b7b53e070f2be5dd4dadb8c40d18

General

Target

8417df5243616b3555ae82394cec26ac2003b7b53e070f2be5dd4dadb8c40d18.xls
Size

95KB
MD5

35e1f17737d61aa140aa9a15df46bc8e
SHA1

410711d5e0ac28e59a465b4dbe84ebc9ed9d7b09
SHA256

8417df5243616b3555ae82394cec26ac2003b7b53e070f2be5dd4dadb8c40d18
SHA512

e0483e95b81a7c605655bb7e9878f82bd1707bcaaf397506b599d054f449260643c6f2683112efe0d30208ca739bc4176895df5298608124f954d43d62f126f9

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	3920	492	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3684	492	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3024	492	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2516	492	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 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 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

492 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
492	EXCEL.EXE
492	EXCEL.EXE
492	EXCEL.EXE
492	EXCEL.EXE
492	EXCEL.EXE
492	EXCEL.EXE
492	EXCEL.EXE
492	EXCEL.EXE
492	EXCEL.EXE
492	EXCEL.EXE
492	EXCEL.EXE
492	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 492 wrote to memory of 3920	492	EXCEL.EXE	regsvr32.exe
PID 492 wrote to memory of 3920	492	EXCEL.EXE	regsvr32.exe
PID 492 wrote to memory of 3684	492	EXCEL.EXE	regsvr32.exe
PID 492 wrote to memory of 3684	492	EXCEL.EXE	regsvr32.exe
PID 492 wrote to memory of 3024	492	EXCEL.EXE	regsvr32.exe
PID 492 wrote to memory of 3024	492	EXCEL.EXE	regsvr32.exe
PID 492 wrote to memory of 2516	492	EXCEL.EXE	regsvr32.exe
PID 492 wrote to memory of 2516	492	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\8417df5243616b3555ae82394cec26ac2003b7b53e070f2be5dd4dadb8c40d18.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:492

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:3920

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3684

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:3024

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:2516

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

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Downloads

memory/492-298-0x00007FF9B6D60000-0x00007FF9B6D70000-memory.dmp

Filesize
64KB

Download
memory/492-117-0x00007FF9B6D60000-0x00007FF9B6D70000-memory.dmp

Filesize
64KB

Download
memory/492-118-0x00007FF9B6D60000-0x00007FF9B6D70000-memory.dmp

Filesize
64KB

Download
memory/492-119-0x00007FF9B6D60000-0x00007FF9B6D70000-memory.dmp

Filesize
64KB

Download
memory/492-128-0x00007FF9B3B90000-0x00007FF9B3BA0000-memory.dmp

Filesize
64KB

Download
memory/492-129-0x00007FF9B3B90000-0x00007FF9B3BA0000-memory.dmp

Filesize
64KB

Download
memory/492-301-0x00007FF9B6D60000-0x00007FF9B6D70000-memory.dmp

Filesize
64KB

Download
memory/492-300-0x00007FF9B6D60000-0x00007FF9B6D70000-memory.dmp

Filesize
64KB

Download
memory/492-299-0x00007FF9B6D60000-0x00007FF9B6D70000-memory.dmp

Filesize
64KB

Download
memory/492-116-0x00007FF9B6D60000-0x00007FF9B6D70000-memory.dmp

Filesize
64KB

Download
memory/2516-261-0x0000000000000000-mapping.dmp

Download
memory/3024-260-0x0000000000000000-mapping.dmp

Download
memory/3684-259-0x0000000000000000-mapping.dmp

Download
memory/3920-258-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads