e2a56e2d0222262e50d6a06c32b8e80f110b375bfee0fc52269caf5499fa005a

General

Target

e2a56e2d0222262e50d6a06c32b8e80f110b375bfee0fc52269caf5499fa005a.xls
Size

95KB
MD5

e8e1a9b0771d93fa6c2623e862b940b2
SHA1

656a1dde95d9095eebb9d9f648927ed5c6a85147
SHA256

e2a56e2d0222262e50d6a06c32b8e80f110b375bfee0fc52269caf5499fa005a
SHA512

04d4b596bf6a70d0ffd42cf31ef1c23e8d0d7482a7f6534c38314267b396eefb69b05ad516a97ea776b4c59d5a3ef66c42dd0794aef05016486543f06bf407ba

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	4156	2728	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3972	2728	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3956	2728	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4084	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 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

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 4156	2728	EXCEL.EXE	regsvr32.exe
PID 2728 wrote to memory of 4156	2728	EXCEL.EXE	regsvr32.exe
PID 2728 wrote to memory of 3972	2728	EXCEL.EXE	regsvr32.exe
PID 2728 wrote to memory of 3972	2728	EXCEL.EXE	regsvr32.exe
PID 2728 wrote to memory of 3956	2728	EXCEL.EXE	regsvr32.exe
PID 2728 wrote to memory of 3956	2728	EXCEL.EXE	regsvr32.exe
PID 2728 wrote to memory of 4084	2728	EXCEL.EXE	regsvr32.exe
PID 2728 wrote to memory of 4084	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\e2a56e2d0222262e50d6a06c32b8e80f110b375bfee0fc52269caf5499fa005a.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:4156

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3972

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:3956

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:4084

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2728-118-0x00007FFC601A0000-0x00007FFC601B0000-memory.dmp

Filesize
64KB

Download
memory/2728-119-0x00007FFC601A0000-0x00007FFC601B0000-memory.dmp

Filesize
64KB

Download
memory/2728-120-0x00007FFC601A0000-0x00007FFC601B0000-memory.dmp

Filesize
64KB

Download
memory/2728-121-0x00007FFC601A0000-0x00007FFC601B0000-memory.dmp

Filesize
64KB

Download
memory/2728-130-0x00007FFC5CA30000-0x00007FFC5CA40000-memory.dmp

Filesize
64KB

Download
memory/2728-131-0x00007FFC5CA30000-0x00007FFC5CA40000-memory.dmp

Filesize
64KB

Download
memory/3956-270-0x0000000000000000-mapping.dmp

Download
memory/3972-269-0x0000000000000000-mapping.dmp

Download
memory/4084-273-0x0000000000000000-mapping.dmp

Download
memory/4156-268-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads