d6e20aab4d0ced67fe680fad35a09ff8a0888646ff1f23a787bc9ff36adb7c2f

General

Target

d6e20aab4d0ced67fe680fad35a09ff8a0888646ff1f23a787bc9ff36adb7c2f.xls
Size

95KB
MD5

53c65d9bc47284f9de975ad469fe18ba
SHA1

6264cc27fb7703793c32248fd357efaeca69336d
SHA256

d6e20aab4d0ced67fe680fad35a09ff8a0888646ff1f23a787bc9ff36adb7c2f
SHA512

dddadac1c8026a5524db5804e6a29583fb8430262baa49a952940f287decc809f797bbd4c6643bae2289e46a680d45a2ae46cc632c9cfaa8718212d16cf44bbc

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	1792	1264	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	420	1264	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3400	1264	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2272	1264	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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

1264 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
1264	EXCEL.EXE
1264	EXCEL.EXE
1264	EXCEL.EXE
1264	EXCEL.EXE
1264	EXCEL.EXE
1264	EXCEL.EXE
1264	EXCEL.EXE
1264	EXCEL.EXE
1264	EXCEL.EXE
1264	EXCEL.EXE
1264	EXCEL.EXE
1264	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1264 wrote to memory of 1792	1264	EXCEL.EXE	regsvr32.exe
PID 1264 wrote to memory of 1792	1264	EXCEL.EXE	regsvr32.exe
PID 1264 wrote to memory of 420	1264	EXCEL.EXE	regsvr32.exe
PID 1264 wrote to memory of 420	1264	EXCEL.EXE	regsvr32.exe
PID 1264 wrote to memory of 3400	1264	EXCEL.EXE	regsvr32.exe
PID 1264 wrote to memory of 3400	1264	EXCEL.EXE	regsvr32.exe
PID 1264 wrote to memory of 2272	1264	EXCEL.EXE	regsvr32.exe
PID 1264 wrote to memory of 2272	1264	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\d6e20aab4d0ced67fe680fad35a09ff8a0888646ff1f23a787bc9ff36adb7c2f.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1264

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:1792

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:420

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:3400

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:2272

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/420-266-0x0000000000000000-mapping.dmp

Download
memory/1264-117-0x00007FFE6B3E0000-0x00007FFE6B3F0000-memory.dmp

Filesize
64KB

Download
memory/1264-118-0x00007FFE6B3E0000-0x00007FFE6B3F0000-memory.dmp

Filesize
64KB

Download
memory/1264-119-0x00007FFE6B3E0000-0x00007FFE6B3F0000-memory.dmp

Filesize
64KB

Download
memory/1264-120-0x00007FFE6B3E0000-0x00007FFE6B3F0000-memory.dmp

Filesize
64KB

Download
memory/1264-129-0x00007FFE67870000-0x00007FFE67880000-memory.dmp

Filesize
64KB

Download
memory/1264-130-0x00007FFE67870000-0x00007FFE67880000-memory.dmp

Filesize
64KB

Download
memory/1792-265-0x0000000000000000-mapping.dmp

Download
memory/2272-268-0x0000000000000000-mapping.dmp

Download
memory/3400-267-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads