17700986ebd67007e68d971026d561773c6dc5a58955c96bdb38d2d468148857

General

Target

17700986ebd67007e68d971026d561773c6dc5a58955c96bdb38d2d468148857.xls
Size

95KB
MD5

9e6cd0dacaedeb91ab073ae21525d0b8
SHA1

76e5d1e8e32d70007ea53baa2b7e79f786265383
SHA256

17700986ebd67007e68d971026d561773c6dc5a58955c96bdb38d2d468148857
SHA512

e196fab265fd3211de6b9d3ce3bee71cf386bbd2a39734f03e58ebd11597cc4aebb8a8318308ace3413af4658327e0f85e5db614eca297094fa2e1972cb38696

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	3788	3480	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3144	3480	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3352	3480	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3688	3480	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

3480 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

3480 EXCEL.EXE
3480 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3480	EXCEL.EXE
3480	EXCEL.EXE
3480	EXCEL.EXE
3480	EXCEL.EXE
3480	EXCEL.EXE
3480	EXCEL.EXE
3480	EXCEL.EXE
3480	EXCEL.EXE
3480	EXCEL.EXE
3480	EXCEL.EXE
3480	EXCEL.EXE
3480	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 3480 wrote to memory of 3788	3480	EXCEL.EXE	regsvr32.exe
PID 3480 wrote to memory of 3788	3480	EXCEL.EXE	regsvr32.exe
PID 3480 wrote to memory of 3144	3480	EXCEL.EXE	regsvr32.exe
PID 3480 wrote to memory of 3144	3480	EXCEL.EXE	regsvr32.exe
PID 3480 wrote to memory of 3352	3480	EXCEL.EXE	regsvr32.exe
PID 3480 wrote to memory of 3352	3480	EXCEL.EXE	regsvr32.exe
PID 3480 wrote to memory of 3688	3480	EXCEL.EXE	regsvr32.exe
PID 3480 wrote to memory of 3688	3480	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\17700986ebd67007e68d971026d561773c6dc5a58955c96bdb38d2d468148857.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:3480

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:3788

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3144

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:3352

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:3688

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/3144-269-0x0000000000000000-mapping.dmp

Download
memory/3352-270-0x0000000000000000-mapping.dmp

Download
memory/3480-309-0x00007FF84FAA0000-0x00007FF84FAB0000-memory.dmp

Filesize
64KB

Download
memory/3480-117-0x00007FF84FAA0000-0x00007FF84FAB0000-memory.dmp

Filesize
64KB

Download
memory/3480-118-0x00007FF84FAA0000-0x00007FF84FAB0000-memory.dmp

Filesize
64KB

Download
memory/3480-119-0x00007FF84FAA0000-0x00007FF84FAB0000-memory.dmp

Filesize
64KB

Download
memory/3480-128-0x00007FF84CAB0000-0x00007FF84CAC0000-memory.dmp

Filesize
64KB

Download
memory/3480-129-0x00007FF84CAB0000-0x00007FF84CAC0000-memory.dmp

Filesize
64KB

Download
memory/3480-310-0x00007FF84FAA0000-0x00007FF84FAB0000-memory.dmp

Filesize
64KB

Download
memory/3480-116-0x00007FF84FAA0000-0x00007FF84FAB0000-memory.dmp

Filesize
64KB

Download
memory/3480-307-0x00007FF84FAA0000-0x00007FF84FAB0000-memory.dmp

Filesize
64KB

Download
memory/3480-308-0x00007FF84FAA0000-0x00007FF84FAB0000-memory.dmp

Filesize
64KB

Download
memory/3688-271-0x0000000000000000-mapping.dmp

Download
memory/3788-268-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads