1318930f4db4f1d6eb6bb6436d1635c07b546ffddc3566d046e1e9e461d39dad

General

Target

1318930f4db4f1d6eb6bb6436d1635c07b546ffddc3566d046e1e9e461d39dad.xls
Size

95KB
MD5

d4078570fdb1c42b7907a27a64eb697d
SHA1

b527fd1894fd36ab0267edd3ba21bf1af525c98a
SHA256

1318930f4db4f1d6eb6bb6436d1635c07b546ffddc3566d046e1e9e461d39dad
SHA512

fad89e4bf4043e2255c92b8532e22b903dc54ce64c04a9f2eccff12b36e11a5a90a3f559f2bf110f203816eb2b51cfe96bc3c7fbec55fad0150980a89f710fbc

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	3852	3868	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1348	3868	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3656	3868	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1364	3868	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

3868 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

3868 EXCEL.EXE
3868 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3868	EXCEL.EXE
3868	EXCEL.EXE
3868	EXCEL.EXE
3868	EXCEL.EXE
3868	EXCEL.EXE
3868	EXCEL.EXE
3868	EXCEL.EXE
3868	EXCEL.EXE
3868	EXCEL.EXE
3868	EXCEL.EXE
3868	EXCEL.EXE
3868	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 3868 wrote to memory of 3852	3868	EXCEL.EXE	regsvr32.exe
PID 3868 wrote to memory of 3852	3868	EXCEL.EXE	regsvr32.exe
PID 3868 wrote to memory of 1348	3868	EXCEL.EXE	regsvr32.exe
PID 3868 wrote to memory of 1348	3868	EXCEL.EXE	regsvr32.exe
PID 3868 wrote to memory of 3656	3868	EXCEL.EXE	regsvr32.exe
PID 3868 wrote to memory of 3656	3868	EXCEL.EXE	regsvr32.exe
PID 3868 wrote to memory of 1364	3868	EXCEL.EXE	regsvr32.exe
PID 3868 wrote to memory of 1364	3868	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\1318930f4db4f1d6eb6bb6436d1635c07b546ffddc3566d046e1e9e461d39dad.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:3868

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:3852

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:1348

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:3656

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:1364

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/1348-272-0x0000000000000000-mapping.dmp

Download
memory/1364-274-0x0000000000000000-mapping.dmp

Download
memory/3656-273-0x0000000000000000-mapping.dmp

Download
memory/3852-271-0x0000000000000000-mapping.dmp

Download
memory/3868-131-0x00007FFCD37A0000-0x00007FFCD37B0000-memory.dmp

Filesize
64KB

Download
memory/3868-132-0x00007FFCD37A0000-0x00007FFCD37B0000-memory.dmp

Filesize
64KB

Download
memory/3868-119-0x00007FFCD6CB0000-0x00007FFCD6CC0000-memory.dmp

Filesize
64KB

Download
memory/3868-122-0x00007FFCD6CB0000-0x00007FFCD6CC0000-memory.dmp

Filesize
64KB

Download
memory/3868-121-0x00007FFCD6CB0000-0x00007FFCD6CC0000-memory.dmp

Filesize
64KB

Download
memory/3868-120-0x00007FFCD6CB0000-0x00007FFCD6CC0000-memory.dmp

Filesize
64KB

Download
memory/3868-311-0x00007FFCD6CB0000-0x00007FFCD6CC0000-memory.dmp

Filesize
64KB

Download
memory/3868-312-0x00007FFCD6CB0000-0x00007FFCD6CC0000-memory.dmp

Filesize
64KB

Download
memory/3868-313-0x00007FFCD6CB0000-0x00007FFCD6CC0000-memory.dmp

Filesize
64KB

Download
memory/3868-314-0x00007FFCD6CB0000-0x00007FFCD6CC0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads