e50cb8ab0b39586f10dc770018cf571780d19b185c28bbec7102b74f5d695890

General

Target

e50cb8ab0b39586f10dc770018cf571780d19b185c28bbec7102b74f5d695890.xls
Size

95KB
MD5

3cc027f4d881921f2b3538cdbad2ac7c
SHA1

f5e462e24d05bd2e535aea187a96d114312f8486
SHA256

e50cb8ab0b39586f10dc770018cf571780d19b185c28bbec7102b74f5d695890
SHA512

30c190edee84cf1ea6850c8da1ea1600faa8148270ea0df9ce3a457c0424af13131ad0466172913e23531b037054b55b9dbd999d35b9da20a13762ef6799ee5f

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	4984	2704	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5004	2704	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5024	2704	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5104	2704	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

2704 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2704	EXCEL.EXE
2704	EXCEL.EXE
2704	EXCEL.EXE
2704	EXCEL.EXE
2704	EXCEL.EXE
2704	EXCEL.EXE
2704	EXCEL.EXE
2704	EXCEL.EXE
2704	EXCEL.EXE
2704	EXCEL.EXE
2704	EXCEL.EXE
2704	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2704 wrote to memory of 4984	2704	EXCEL.EXE	regsvr32.exe
PID 2704 wrote to memory of 4984	2704	EXCEL.EXE	regsvr32.exe
PID 2704 wrote to memory of 5004	2704	EXCEL.EXE	regsvr32.exe
PID 2704 wrote to memory of 5004	2704	EXCEL.EXE	regsvr32.exe
PID 2704 wrote to memory of 5024	2704	EXCEL.EXE	regsvr32.exe
PID 2704 wrote to memory of 5024	2704	EXCEL.EXE	regsvr32.exe
PID 2704 wrote to memory of 5104	2704	EXCEL.EXE	regsvr32.exe
PID 2704 wrote to memory of 5104	2704	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\e50cb8ab0b39586f10dc770018cf571780d19b185c28bbec7102b74f5d695890.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2704

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:4984

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:5004

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:5024

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:5104

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/2704-118-0x00007FF9E54B0000-0x00007FF9E54C0000-memory.dmp

Filesize
64KB

Download
memory/2704-119-0x00007FF9E54B0000-0x00007FF9E54C0000-memory.dmp

Filesize
64KB

Download
memory/2704-120-0x00007FF9E54B0000-0x00007FF9E54C0000-memory.dmp

Filesize
64KB

Download
memory/2704-121-0x00007FF9E54B0000-0x00007FF9E54C0000-memory.dmp

Filesize
64KB

Download
memory/2704-130-0x00007FF9E1EA0000-0x00007FF9E1EB0000-memory.dmp

Filesize
64KB

Download
memory/2704-131-0x00007FF9E1EA0000-0x00007FF9E1EB0000-memory.dmp

Filesize
64KB

Download
memory/4984-274-0x0000000000000000-mapping.dmp

Download
memory/5004-275-0x0000000000000000-mapping.dmp

Download
memory/5024-278-0x0000000000000000-mapping.dmp

Download
memory/5104-279-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads