207b14f58a6732ce4fd7cc637f113a37ba49b965cba0e780672ce850a5887b01

General

Target

2022-5-21-553415daec66312a733986f2df4f7ff8.xls
Size

68KB
MD5

553415daec66312a733986f2df4f7ff8
SHA1

e27493f88e6262901d2ad20ab4e751c6230d810a
SHA256

207b14f58a6732ce4fd7cc637f113a37ba49b965cba0e780672ce850a5887b01
SHA512

52f3887f7f1d79baa6da77f02518bcda9176cc40df67af93f5d8ba784b7ed5c2e96ea25e897040b7ad0c62e02f1b6bb7d64e978ae578ea1660a9c8f72f31b784

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://www.berekethaber.com/hatax/fovLaro/

xlm40.dropper

https://bosny.com/aspnet_client/ErI5F74cwiiOywe/

xlm40.dropper

http://www.cesasin.com.ar/administrator/HC46kHDUSYN305GglCP/

xlm40.dropper

https://bencevendeghaz.hu/wp-includes/tXQBsglNOIsunk/

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	3280	2176	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2104	2176	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2336	2176	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1560	2176	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

2176 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2176	EXCEL.EXE
2176	EXCEL.EXE
2176	EXCEL.EXE
2176	EXCEL.EXE
2176	EXCEL.EXE
2176	EXCEL.EXE
2176	EXCEL.EXE
2176	EXCEL.EXE
2176	EXCEL.EXE
2176	EXCEL.EXE
2176	EXCEL.EXE
2176	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2176 wrote to memory of 3280	2176	EXCEL.EXE	regsvr32.exe
PID 2176 wrote to memory of 3280	2176	EXCEL.EXE	regsvr32.exe
PID 2176 wrote to memory of 2104	2176	EXCEL.EXE	regsvr32.exe
PID 2176 wrote to memory of 2104	2176	EXCEL.EXE	regsvr32.exe
PID 2176 wrote to memory of 2336	2176	EXCEL.EXE	regsvr32.exe
PID 2176 wrote to memory of 2336	2176	EXCEL.EXE	regsvr32.exe
PID 2176 wrote to memory of 1560	2176	EXCEL.EXE	regsvr32.exe
PID 2176 wrote to memory of 1560	2176	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\2022-5-21-553415daec66312a733986f2df4f7ff8.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2176

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\uxevr1.ocx
2⤵
- Process spawned unexpected child process
PID:3280

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\uxevr2.ocx
2⤵
- Process spawned unexpected child process
PID:2104

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\uxevr3.ocx
2⤵
- Process spawned unexpected child process
PID:2336

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\uxevr4.ocx
2⤵
- Process spawned unexpected child process
PID:1560

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/1560-140-0x0000000000000000-mapping.dmp

Download
memory/2104-138-0x0000000000000000-mapping.dmp

Download
memory/2176-130-0x00007FFDED470000-0x00007FFDED480000-memory.dmp

Filesize
64KB

Download
memory/2176-131-0x00007FFDED470000-0x00007FFDED480000-memory.dmp

Filesize
64KB

Download
memory/2176-132-0x00007FFDED470000-0x00007FFDED480000-memory.dmp

Filesize
64KB

Download
memory/2176-133-0x00007FFDED470000-0x00007FFDED480000-memory.dmp

Filesize
64KB

Download
memory/2176-134-0x00007FFDED470000-0x00007FFDED480000-memory.dmp

Filesize
64KB

Download
memory/2176-135-0x00007FFDEADC0000-0x00007FFDEADD0000-memory.dmp

Filesize
64KB

Download
memory/2176-136-0x00007FFDEADC0000-0x00007FFDEADD0000-memory.dmp

Filesize
64KB

Download
memory/2336-139-0x0000000000000000-mapping.dmp

Download
memory/3280-137-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads