ea55294c64b4ada71080913da545f6b84814cd8a5174f67a9e26e49178a20773

General

Target

ea55294c64b4ada71080913da545f6b84814cd8a5174f67a9e26e49178a20773.xls
Size

95KB
MD5

84bf36f3b7c887d042c3cc2cabca43cf
SHA1

8c1620128f9bda4876e503c36fe8c997955669be
SHA256

ea55294c64b4ada71080913da545f6b84814cd8a5174f67a9e26e49178a20773
SHA512

4a448b06f1b12cd691e0ae726b18687e3dc5f5245a7c674eb908d0c718cb544450e9df01328bc66ff86569ba7754aa2b70efcab0ef4128aed2bd7517f6bc5911

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	3056	2660	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3284	2660	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3568	2660	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3388	2660	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

2660 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

2660 EXCEL.EXE
2660 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2660	EXCEL.EXE
2660	EXCEL.EXE
2660	EXCEL.EXE
2660	EXCEL.EXE
2660	EXCEL.EXE
2660	EXCEL.EXE
2660	EXCEL.EXE
2660	EXCEL.EXE
2660	EXCEL.EXE
2660	EXCEL.EXE
2660	EXCEL.EXE
2660	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2660 wrote to memory of 3056	2660	EXCEL.EXE	regsvr32.exe
PID 2660 wrote to memory of 3056	2660	EXCEL.EXE	regsvr32.exe
PID 2660 wrote to memory of 3284	2660	EXCEL.EXE	regsvr32.exe
PID 2660 wrote to memory of 3284	2660	EXCEL.EXE	regsvr32.exe
PID 2660 wrote to memory of 3568	2660	EXCEL.EXE	regsvr32.exe
PID 2660 wrote to memory of 3568	2660	EXCEL.EXE	regsvr32.exe
PID 2660 wrote to memory of 3388	2660	EXCEL.EXE	regsvr32.exe
PID 2660 wrote to memory of 3388	2660	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\ea55294c64b4ada71080913da545f6b84814cd8a5174f67a9e26e49178a20773.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:2660

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:3056

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3284

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:3568

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:3388

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/2660-114-0x00007FFECF770000-0x00007FFECF780000-memory.dmp

Filesize
64KB

Download
memory/2660-115-0x00007FFECF770000-0x00007FFECF780000-memory.dmp

Filesize
64KB

Download
memory/2660-116-0x00007FFECF770000-0x00007FFECF780000-memory.dmp

Filesize
64KB

Download
memory/2660-117-0x00007FFECF770000-0x00007FFECF780000-memory.dmp

Filesize
64KB

Download
memory/2660-126-0x00007FFECC0E0000-0x00007FFECC0F0000-memory.dmp

Filesize
64KB

Download
memory/2660-127-0x00007FFECC0E0000-0x00007FFECC0F0000-memory.dmp

Filesize
64KB

Download
memory/3056-266-0x0000000000000000-mapping.dmp

Download
memory/3284-267-0x0000000000000000-mapping.dmp

Download
memory/3388-269-0x0000000000000000-mapping.dmp

Download
memory/3568-268-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads