0a6306e50db0b660d4a9fd31917b9e4fad611cc900339c958f78024152c2243a

General

Target

0a6306e50db0b660d4a9fd31917b9e4fad611cc900339c958f78024152c2243a.xls
Size

95KB
MD5

760ddf2fd70eec2af80259815d7a7cb7
SHA1

c197611467593a271008d65b9c83fb40e3bb9a79
SHA256

0a6306e50db0b660d4a9fd31917b9e4fad611cc900339c958f78024152c2243a
SHA512

2014d24800616eb60d54d1925059f23c7359bbc2bbb853bf91c9e5904a79eb4fd6177afb7c5b64aa10092845e802c8bd71647e0ffbae6050c9423cc3ff857b5a

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	4628	4120	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3940	4120	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4500	4120	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4660	4120	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

4120 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4120 EXCEL.EXE
4120 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4120	EXCEL.EXE
4120	EXCEL.EXE
4120	EXCEL.EXE
4120	EXCEL.EXE
4120	EXCEL.EXE
4120	EXCEL.EXE
4120	EXCEL.EXE
4120	EXCEL.EXE
4120	EXCEL.EXE
4120	EXCEL.EXE
4120	EXCEL.EXE
4120	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 4120 wrote to memory of 4628	4120	EXCEL.EXE	regsvr32.exe
PID 4120 wrote to memory of 4628	4120	EXCEL.EXE	regsvr32.exe
PID 4120 wrote to memory of 3940	4120	EXCEL.EXE	regsvr32.exe
PID 4120 wrote to memory of 3940	4120	EXCEL.EXE	regsvr32.exe
PID 4120 wrote to memory of 4500	4120	EXCEL.EXE	regsvr32.exe
PID 4120 wrote to memory of 4500	4120	EXCEL.EXE	regsvr32.exe
PID 4120 wrote to memory of 4660	4120	EXCEL.EXE	regsvr32.exe
PID 4120 wrote to memory of 4660	4120	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\0a6306e50db0b660d4a9fd31917b9e4fad611cc900339c958f78024152c2243a.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:4120

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:4628

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3940

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:4500

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:4660

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/3940-256-0x0000000000000000-mapping.dmp

Download
memory/4120-114-0x00007FFC64F50000-0x00007FFC64F60000-memory.dmp

Filesize
64KB

Download
memory/4120-115-0x00007FFC64F50000-0x00007FFC64F60000-memory.dmp

Filesize
64KB

Download
memory/4120-116-0x00007FFC64F50000-0x00007FFC64F60000-memory.dmp

Filesize
64KB

Download
memory/4120-117-0x00007FFC64F50000-0x00007FFC64F60000-memory.dmp

Filesize
64KB

Download
memory/4120-126-0x00007FFC61C00000-0x00007FFC61C10000-memory.dmp

Filesize
64KB

Download
memory/4120-127-0x00007FFC61C00000-0x00007FFC61C10000-memory.dmp

Filesize
64KB

Download
memory/4500-257-0x0000000000000000-mapping.dmp

Download
memory/4628-255-0x0000000000000000-mapping.dmp

Download
memory/4660-260-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads