6462cf79fab9ce3950b20343a8f6da24f6afc14923fd194b01b5dc1ac45f36cd

General

Target

6462cf79fab9ce3950b20343a8f6da24f6afc14923fd194b01b5dc1ac45f36cd.xls
Size

95KB
MD5

b9c632169734e906a67e48b6b4459ec4
SHA1

9bd0a142a59acfe22d21e82c09d74f35e39cbec9
SHA256

6462cf79fab9ce3950b20343a8f6da24f6afc14923fd194b01b5dc1ac45f36cd
SHA512

3533fabb1af7aaebbfcecb9c66c287079c29ebedbb582399365e512e6526dcfe93ad77dc8466bd288a6b84ca2ff40bfead6f0742cf7007ce92cf64c8b37bb877

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	4996	2664	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5072	2664	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5096	2664	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4608	2664	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

2664 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2664 wrote to memory of 4996	2664	EXCEL.EXE	regsvr32.exe
PID 2664 wrote to memory of 4996	2664	EXCEL.EXE	regsvr32.exe
PID 2664 wrote to memory of 5072	2664	EXCEL.EXE	regsvr32.exe
PID 2664 wrote to memory of 5072	2664	EXCEL.EXE	regsvr32.exe
PID 2664 wrote to memory of 5096	2664	EXCEL.EXE	regsvr32.exe
PID 2664 wrote to memory of 5096	2664	EXCEL.EXE	regsvr32.exe
PID 2664 wrote to memory of 4608	2664	EXCEL.EXE	regsvr32.exe
PID 2664 wrote to memory of 4608	2664	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\6462cf79fab9ce3950b20343a8f6da24f6afc14923fd194b01b5dc1ac45f36cd.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2664

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:4996

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:5072

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:5096

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:4608

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/2664-118-0x00007FFD9FAC0000-0x00007FFD9FAD0000-memory.dmp

Filesize
64KB

Download
memory/2664-119-0x00007FFD9FAC0000-0x00007FFD9FAD0000-memory.dmp

Filesize
64KB

Download
memory/2664-120-0x00007FFD9FAC0000-0x00007FFD9FAD0000-memory.dmp

Filesize
64KB

Download
memory/2664-121-0x00007FFD9FAC0000-0x00007FFD9FAD0000-memory.dmp

Filesize
64KB

Download
memory/2664-130-0x00007FFD9C190000-0x00007FFD9C1A0000-memory.dmp

Filesize
64KB

Download
memory/2664-131-0x00007FFD9C190000-0x00007FFD9C1A0000-memory.dmp

Filesize
64KB

Download
memory/4608-263-0x0000000000000000-mapping.dmp

Download
memory/4996-260-0x0000000000000000-mapping.dmp

Download
memory/5072-261-0x0000000000000000-mapping.dmp

Download
memory/5096-262-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads