46d360c68939317c59f9bf4e6f0e1ea0d6664a45a71e3d13966aab803753c673

General

Target

46d360c68939317c59f9bf4e6f0e1ea0d6664a45a71e3d13966aab803753c673.xls
Size

95KB
MD5

7350fdd9a7ae4f975b2066f08b92ce93
SHA1

3240ca41636d2f3f50d31143f88ebf3b6e58b661
SHA256

46d360c68939317c59f9bf4e6f0e1ea0d6664a45a71e3d13966aab803753c673
SHA512

b9dc014ad2e0fb55b2bff6447d048525b08b00f4d75a0d9e3210af6028abf7185a948ade5d405760d49d1169084a177b60aa2225a9911dfc035230fa20100221

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	4708	2764	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4008	2764	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5116	2764	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3972	2764	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2764 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

2764 EXCEL.EXE
2764 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2764	EXCEL.EXE
2764	EXCEL.EXE
2764	EXCEL.EXE
2764	EXCEL.EXE
2764	EXCEL.EXE
2764	EXCEL.EXE
2764	EXCEL.EXE
2764	EXCEL.EXE
2764	EXCEL.EXE
2764	EXCEL.EXE
2764	EXCEL.EXE
2764	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2764 wrote to memory of 4708	2764	EXCEL.EXE	regsvr32.exe
PID 2764 wrote to memory of 4708	2764	EXCEL.EXE	regsvr32.exe
PID 2764 wrote to memory of 4008	2764	EXCEL.EXE	regsvr32.exe
PID 2764 wrote to memory of 4008	2764	EXCEL.EXE	regsvr32.exe
PID 2764 wrote to memory of 5116	2764	EXCEL.EXE	regsvr32.exe
PID 2764 wrote to memory of 5116	2764	EXCEL.EXE	regsvr32.exe
PID 2764 wrote to memory of 3972	2764	EXCEL.EXE	regsvr32.exe
PID 2764 wrote to memory of 3972	2764	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\46d360c68939317c59f9bf4e6f0e1ea0d6664a45a71e3d13966aab803753c673.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:2764

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:4708

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:4008

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:5116

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:3972

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/2764-118-0x00007FFAD2660000-0x00007FFAD2670000-memory.dmp

Filesize
64KB

Download
memory/2764-119-0x00007FFAD2660000-0x00007FFAD2670000-memory.dmp

Filesize
64KB

Download
memory/2764-120-0x00007FFAD2660000-0x00007FFAD2670000-memory.dmp

Filesize
64KB

Download
memory/2764-121-0x00007FFAD2660000-0x00007FFAD2670000-memory.dmp

Filesize
64KB

Download
memory/2764-130-0x00007FFACF730000-0x00007FFACF740000-memory.dmp

Filesize
64KB

Download
memory/2764-131-0x00007FFACF730000-0x00007FFACF740000-memory.dmp

Filesize
64KB

Download
memory/3972-257-0x0000000000000000-mapping.dmp

Download
memory/4008-255-0x0000000000000000-mapping.dmp

Download
memory/4708-254-0x0000000000000000-mapping.dmp

Download
memory/5116-256-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads