05fba0154075c90e975de1af9cefaf1ddb8721fdf260eaabe713292c7174d5ab

General

Target

05fba0154075c90e975de1af9cefaf1ddb8721fdf260eaabe713292c7174d5ab.xls
Size

95KB
MD5

024f3d2b0dcf18508709963c3da81cac
SHA1

f04f9c0e1ac6b0b2196f46b381b6cb1984008e07
SHA256

05fba0154075c90e975de1af9cefaf1ddb8721fdf260eaabe713292c7174d5ab
SHA512

69033cdbec9860c324ca3f34c9143bbaa535729c89ce5fcbb4182e32e5b9e77471f592f468e9f45c47b17f26dc2aa48f43c9e43df3ecaff7727a4f3a4e700dea

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://www.sunflowerlaboratory.in/fonts/79Tq62ly/

xlm40.dropper

http://dirigent.co.uk/vardagsekonomi/iC36jJ4J1cf/

xlm40.dropper

http://agtrade.hu/images/kiQYmOs2tSKq/

xlm40.dropper

https://www.zachboyle.com/wp-admin/EA470ZrTGNkuA/

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	5012	4716	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2528	4716	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4924	4716	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3352	4716	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

4716 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4716 EXCEL.EXE
4716 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 4716 wrote to memory of 5012	4716	EXCEL.EXE	regsvr32.exe
PID 4716 wrote to memory of 5012	4716	EXCEL.EXE	regsvr32.exe
PID 4716 wrote to memory of 2528	4716	EXCEL.EXE	regsvr32.exe
PID 4716 wrote to memory of 2528	4716	EXCEL.EXE	regsvr32.exe
PID 4716 wrote to memory of 4924	4716	EXCEL.EXE	regsvr32.exe
PID 4716 wrote to memory of 4924	4716	EXCEL.EXE	regsvr32.exe
PID 4716 wrote to memory of 3352	4716	EXCEL.EXE	regsvr32.exe
PID 4716 wrote to memory of 3352	4716	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\05fba0154075c90e975de1af9cefaf1ddb8721fdf260eaabe713292c7174d5ab.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:4716

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:5012

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:2528

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:4924

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:3352

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/2528-268-0x0000000000000000-mapping.dmp

Download
memory/3352-272-0x0000000000000000-mapping.dmp

Download
memory/4716-117-0x00007FFEBF6A0000-0x00007FFEBF6B0000-memory.dmp

Filesize
64KB

Download
memory/4716-118-0x00007FFEBF6A0000-0x00007FFEBF6B0000-memory.dmp

Filesize
64KB

Download
memory/4716-119-0x00007FFEBF6A0000-0x00007FFEBF6B0000-memory.dmp

Filesize
64KB

Download
memory/4716-120-0x00007FFEBF6A0000-0x00007FFEBF6B0000-memory.dmp

Filesize
64KB

Download
memory/4716-129-0x00007FFEBC780000-0x00007FFEBC790000-memory.dmp

Filesize
64KB

Download
memory/4716-130-0x00007FFEBC780000-0x00007FFEBC790000-memory.dmp

Filesize
64KB

Download
memory/4924-269-0x0000000000000000-mapping.dmp

Download
memory/5012-267-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads