204c8806945d2c53421941dfc83af1b5938a9af2d1d63b3c41a84f6edef44b60

General

Target

204c8806945d2c53421941dfc83af1b5938a9af2d1d63b3c41a84f6edef44b60.xls
Size

95KB
MD5

9ad4a4cb4389fbfc417953d3e2c06d01
SHA1

c1210a1007a080f32e2ddf02aca95af3a0be3232
SHA256

204c8806945d2c53421941dfc83af1b5938a9af2d1d63b3c41a84f6edef44b60
SHA512

4ae16170e49ba0a413fe690f7da10b3217d423bb6a91dce7f512582dda516aa2af7911df91587976e318c54a89baeac370af97aa7fa45e4791c5eeaa6392300b

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	3164	2356	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3152	2356	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3992	2356	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4780	2356	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

2356 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2356	EXCEL.EXE
2356	EXCEL.EXE
2356	EXCEL.EXE
2356	EXCEL.EXE
2356	EXCEL.EXE
2356	EXCEL.EXE
2356	EXCEL.EXE
2356	EXCEL.EXE
2356	EXCEL.EXE
2356	EXCEL.EXE
2356	EXCEL.EXE
2356	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2356 wrote to memory of 3164	2356	EXCEL.EXE	regsvr32.exe
PID 2356 wrote to memory of 3164	2356	EXCEL.EXE	regsvr32.exe
PID 2356 wrote to memory of 3152	2356	EXCEL.EXE	regsvr32.exe
PID 2356 wrote to memory of 3152	2356	EXCEL.EXE	regsvr32.exe
PID 2356 wrote to memory of 3992	2356	EXCEL.EXE	regsvr32.exe
PID 2356 wrote to memory of 3992	2356	EXCEL.EXE	regsvr32.exe
PID 2356 wrote to memory of 4780	2356	EXCEL.EXE	regsvr32.exe
PID 2356 wrote to memory of 4780	2356	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\204c8806945d2c53421941dfc83af1b5938a9af2d1d63b3c41a84f6edef44b60.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2356

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:3164

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3152

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:3992

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:4780

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/2356-117-0x00007FF7CABB0000-0x00007FF7CABC0000-memory.dmp

Filesize
64KB

Download
memory/2356-118-0x00007FF7CABB0000-0x00007FF7CABC0000-memory.dmp

Filesize
64KB

Download
memory/2356-119-0x00007FF7CABB0000-0x00007FF7CABC0000-memory.dmp

Filesize
64KB

Download
memory/2356-120-0x00007FF7CABB0000-0x00007FF7CABC0000-memory.dmp

Filesize
64KB

Download
memory/2356-129-0x00007FF7C7040000-0x00007FF7C7050000-memory.dmp

Filesize
64KB

Download
memory/2356-130-0x00007FF7C7040000-0x00007FF7C7050000-memory.dmp

Filesize
64KB

Download
memory/3152-266-0x0000000000000000-mapping.dmp

Download
memory/3164-265-0x0000000000000000-mapping.dmp

Download
memory/3992-267-0x0000000000000000-mapping.dmp

Download
memory/4780-268-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads