5d0152bac828e2cf80b0394a97c5db3ae0619303207830112bbf73eef66bcd6f

General

Target

5d0152bac828e2cf80b0394a97c5db3ae0619303207830112bbf73eef66bcd6f.xls
Size

95KB
MD5

7047eec55f6951201ab7461e511bba51
SHA1

4f65023cb820c5049cc3626378d62043db14b964
SHA256

5d0152bac828e2cf80b0394a97c5db3ae0619303207830112bbf73eef66bcd6f
SHA512

bf07d52901cba24628af71274a79ceea62e28223c5690beaf86b23f2528dc4e9d885f92511914f8ae3f4bab1c7e9c236fa6af8ba8606beb04135985a06481227

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	3704	2728	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1544	2728	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3456	2728	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2452	2728	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\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2728 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

2728 EXCEL.EXE
2728 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2728	EXCEL.EXE
2728	EXCEL.EXE
2728	EXCEL.EXE
2728	EXCEL.EXE
2728	EXCEL.EXE
2728	EXCEL.EXE
2728	EXCEL.EXE
2728	EXCEL.EXE
2728	EXCEL.EXE
2728	EXCEL.EXE
2728	EXCEL.EXE
2728	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2728 wrote to memory of 3704	2728	EXCEL.EXE	regsvr32.exe
PID 2728 wrote to memory of 3704	2728	EXCEL.EXE	regsvr32.exe
PID 2728 wrote to memory of 1544	2728	EXCEL.EXE	regsvr32.exe
PID 2728 wrote to memory of 1544	2728	EXCEL.EXE	regsvr32.exe
PID 2728 wrote to memory of 3456	2728	EXCEL.EXE	regsvr32.exe
PID 2728 wrote to memory of 3456	2728	EXCEL.EXE	regsvr32.exe
PID 2728 wrote to memory of 2452	2728	EXCEL.EXE	regsvr32.exe
PID 2728 wrote to memory of 2452	2728	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\5d0152bac828e2cf80b0394a97c5db3ae0619303207830112bbf73eef66bcd6f.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:2728

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:3704

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:1544

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:3456

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:2452

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/1544-269-0x0000000000000000-mapping.dmp

Download
memory/2452-271-0x0000000000000000-mapping.dmp

Download
memory/2728-119-0x00007FFBDA0A0000-0x00007FFBDA0B0000-memory.dmp

Filesize
64KB

Download
memory/2728-116-0x00007FFBDA0A0000-0x00007FFBDA0B0000-memory.dmp

Filesize
64KB

Download
memory/2728-128-0x00007FFBD7160000-0x00007FFBD7170000-memory.dmp

Filesize
64KB

Download
memory/2728-129-0x00007FFBD7160000-0x00007FFBD7170000-memory.dmp

Filesize
64KB

Download
memory/2728-118-0x00007FFBDA0A0000-0x00007FFBDA0B0000-memory.dmp

Filesize
64KB

Download
memory/2728-117-0x00007FFBDA0A0000-0x00007FFBDA0B0000-memory.dmp

Filesize
64KB

Download
memory/2728-310-0x00007FFBDA0A0000-0x00007FFBDA0B0000-memory.dmp

Filesize
64KB

Download
memory/2728-311-0x00007FFBDA0A0000-0x00007FFBDA0B0000-memory.dmp

Filesize
64KB

Download
memory/2728-312-0x00007FFBDA0A0000-0x00007FFBDA0B0000-memory.dmp

Filesize
64KB

Download
memory/2728-313-0x00007FFBDA0A0000-0x00007FFBDA0B0000-memory.dmp

Filesize
64KB

Download
memory/3456-270-0x0000000000000000-mapping.dmp

Download
memory/3704-268-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads