6fe1d2122e0b748f72e8c7496eb26e004dbad8ed7c5bc84f24c195a594576a03

General

Target

6fe1d2122e0b748f72e8c7496eb26e004dbad8ed7c5bc84f24c195a594576a03.xls
Size

95KB
MD5

0aead17602dd74aaa3ad2977baffc91f
SHA1

dedfed956a8d99b65a480fac8da6b2165c4e34fa
SHA256

6fe1d2122e0b748f72e8c7496eb26e004dbad8ed7c5bc84f24c195a594576a03
SHA512

fba26ea0d18c1cf91106fc8d3806aa0e25e759a140d91711afadd84fc49867f36ef287644f59c8c82174ec88d58e1e5c6ad82499d5a4aeabcc9cfd87cf7998fb

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	3268	2728	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3664	2728	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3692	2728	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1896	2728	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

2728 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

2728 EXCEL.EXE
2728 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2728	EXCEL.EXE
2728	EXCEL.EXE
2728	EXCEL.EXE
2728	EXCEL.EXE
2728	EXCEL.EXE
2728	EXCEL.EXE
2728	EXCEL.EXE
2728	EXCEL.EXE
2728	EXCEL.EXE
2728	EXCEL.EXE
2728	EXCEL.EXE
2728	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2728 wrote to memory of 3268	2728	EXCEL.EXE	regsvr32.exe
PID 2728 wrote to memory of 3268	2728	EXCEL.EXE	regsvr32.exe
PID 2728 wrote to memory of 3664	2728	EXCEL.EXE	regsvr32.exe
PID 2728 wrote to memory of 3664	2728	EXCEL.EXE	regsvr32.exe
PID 2728 wrote to memory of 3692	2728	EXCEL.EXE	regsvr32.exe
PID 2728 wrote to memory of 3692	2728	EXCEL.EXE	regsvr32.exe
PID 2728 wrote to memory of 1896	2728	EXCEL.EXE	regsvr32.exe
PID 2728 wrote to memory of 1896	2728	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\6fe1d2122e0b748f72e8c7496eb26e004dbad8ed7c5bc84f24c195a594576a03.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:2728

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:3268

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3664

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:3692

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:1896

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

Loading Replay Monitor...

Downloads

memory/1896-271-0x0000000000000000-mapping.dmp

Download
memory/2728-119-0x00007FFBDA0A0000-0x00007FFBDA0B0000-memory.dmp

Filesize
64KB

Download
memory/2728-118-0x00007FFBDA0A0000-0x00007FFBDA0B0000-memory.dmp

Filesize
64KB

Download
memory/2728-116-0x00007FFBDA0A0000-0x00007FFBDA0B0000-memory.dmp

Filesize
64KB

Download
memory/2728-128-0x00007FFBD7160000-0x00007FFBD7170000-memory.dmp

Filesize
64KB

Download
memory/2728-129-0x00007FFBD7160000-0x00007FFBD7170000-memory.dmp

Filesize
64KB

Download
memory/2728-117-0x00007FFBDA0A0000-0x00007FFBDA0B0000-memory.dmp

Filesize
64KB

Download
memory/2728-308-0x00007FFBDA0A0000-0x00007FFBDA0B0000-memory.dmp

Filesize
64KB

Download
memory/2728-309-0x00007FFBDA0A0000-0x00007FFBDA0B0000-memory.dmp

Filesize
64KB

Download
memory/2728-310-0x00007FFBDA0A0000-0x00007FFBDA0B0000-memory.dmp

Filesize
64KB

Download
memory/2728-311-0x00007FFBDA0A0000-0x00007FFBDA0B0000-memory.dmp

Filesize
64KB

Download
memory/3268-268-0x0000000000000000-mapping.dmp

Download
memory/3664-269-0x0000000000000000-mapping.dmp

Download
memory/3692-270-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads