f551169b67fc58fcd361987a4bf206982f28f0877c80bb753dc171fcea488e9b

General

Target

f551169b67fc58fcd361987a4bf206982f28f0877c80bb753dc171fcea488e9b.xls
Size

95KB
MD5

ba5ee7ebae56c8089c5425149e523c09
SHA1

fded4c834b1571cdaa58fd838b3b1d6f6b3b9af4
SHA256

f551169b67fc58fcd361987a4bf206982f28f0877c80bb753dc171fcea488e9b
SHA512

efcef155bfbbf1aa80cadfaf2fd48540563bd035ef622ce53e584674e50e032d249ccee020a9ac3b743dc5b2686edfe2c3016812f4ec27f647e3983ce92f82fe

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	3444	2844	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3464	2844	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4860	2844	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4864	2844	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

2844 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2844	EXCEL.EXE
2844	EXCEL.EXE
2844	EXCEL.EXE
2844	EXCEL.EXE
2844	EXCEL.EXE
2844	EXCEL.EXE
2844	EXCEL.EXE
2844	EXCEL.EXE
2844	EXCEL.EXE
2844	EXCEL.EXE
2844	EXCEL.EXE
2844	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2844 wrote to memory of 3444	2844	EXCEL.EXE	regsvr32.exe
PID 2844 wrote to memory of 3444	2844	EXCEL.EXE	regsvr32.exe
PID 2844 wrote to memory of 3464	2844	EXCEL.EXE	regsvr32.exe
PID 2844 wrote to memory of 3464	2844	EXCEL.EXE	regsvr32.exe
PID 2844 wrote to memory of 4860	2844	EXCEL.EXE	regsvr32.exe
PID 2844 wrote to memory of 4860	2844	EXCEL.EXE	regsvr32.exe
PID 2844 wrote to memory of 4864	2844	EXCEL.EXE	regsvr32.exe
PID 2844 wrote to memory of 4864	2844	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\f551169b67fc58fcd361987a4bf206982f28f0877c80bb753dc171fcea488e9b.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2844

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:3444

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3464

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:4860

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:4864

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/2844-115-0x00007FFA3E5B0000-0x00007FFA3E5C0000-memory.dmp

Filesize
64KB

Download
memory/2844-116-0x00007FFA3E5B0000-0x00007FFA3E5C0000-memory.dmp

Filesize
64KB

Download
memory/2844-117-0x00007FFA3E5B0000-0x00007FFA3E5C0000-memory.dmp

Filesize
64KB

Download
memory/2844-118-0x00007FFA3E5B0000-0x00007FFA3E5C0000-memory.dmp

Filesize
64KB

Download
memory/2844-127-0x00007FFA3B300000-0x00007FFA3B310000-memory.dmp

Filesize
64KB

Download
memory/2844-128-0x00007FFA3B300000-0x00007FFA3B310000-memory.dmp

Filesize
64KB

Download
memory/3444-273-0x0000000000000000-mapping.dmp

Download
memory/3464-274-0x0000000000000000-mapping.dmp

Download
memory/4860-275-0x0000000000000000-mapping.dmp

Download
memory/4864-276-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads