57653e49a63db6dabe929e42431ded8fb23e8fc19c4a3c0132bf295acaa74ab2

General

Target

57653e49a63db6dabe929e42431ded8fb23e8fc19c4a3c0132bf295acaa74ab2.xls
Size

95KB
MD5

2bc17473aea1d29adc0b7c03c215db8c
SHA1

50327a6fe9ed5bc152692e7fe2e35fd53c3e1c39
SHA256

57653e49a63db6dabe929e42431ded8fb23e8fc19c4a3c0132bf295acaa74ab2
SHA512

6d3a2dbabf995614cda38bb8a2e5a6e631bc6fc3f03230401d393bc01d0dd870f607578b440fe00558c887dddd7738be80efc6f28af0443f54b5a58e9f903fad

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	3672	2864	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3700	2864	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3596	2864	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4888	2864	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

2864 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2864 wrote to memory of 3672	2864	EXCEL.EXE	regsvr32.exe
PID 2864 wrote to memory of 3672	2864	EXCEL.EXE	regsvr32.exe
PID 2864 wrote to memory of 3700	2864	EXCEL.EXE	regsvr32.exe
PID 2864 wrote to memory of 3700	2864	EXCEL.EXE	regsvr32.exe
PID 2864 wrote to memory of 3596	2864	EXCEL.EXE	regsvr32.exe
PID 2864 wrote to memory of 3596	2864	EXCEL.EXE	regsvr32.exe
PID 2864 wrote to memory of 4888	2864	EXCEL.EXE	regsvr32.exe
PID 2864 wrote to memory of 4888	2864	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\57653e49a63db6dabe929e42431ded8fb23e8fc19c4a3c0132bf295acaa74ab2.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2864

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:3672

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3700

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:3596

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:4888

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/2864-114-0x00007FFA3E5B0000-0x00007FFA3E5C0000-memory.dmp

Filesize
64KB

Download
memory/2864-115-0x00007FFA3E5B0000-0x00007FFA3E5C0000-memory.dmp

Filesize
64KB

Download
memory/2864-116-0x00007FFA3E5B0000-0x00007FFA3E5C0000-memory.dmp

Filesize
64KB

Download
memory/2864-117-0x00007FFA3E5B0000-0x00007FFA3E5C0000-memory.dmp

Filesize
64KB

Download
memory/2864-126-0x00007FFA3B300000-0x00007FFA3B310000-memory.dmp

Filesize
64KB

Download
memory/2864-127-0x00007FFA3B300000-0x00007FFA3B310000-memory.dmp

Filesize
64KB

Download
memory/3596-260-0x0000000000000000-mapping.dmp

Download
memory/3672-258-0x0000000000000000-mapping.dmp

Download
memory/3700-259-0x0000000000000000-mapping.dmp

Download
memory/4888-261-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads