7145c06a7504638c4036b4f32156eb4b08a247eacc433d54802c72a8f1a01b5f

General

Target

7145c06a7504638c4036b4f32156eb4b08a247eacc433d54802c72a8f1a01b5f.xls
Size

95KB
MD5

21ac89a9e91d8748f57756899840ee48
SHA1

bd4af0ed1e52e8b0e948c897ee3556d1bf5d3b48
SHA256

7145c06a7504638c4036b4f32156eb4b08a247eacc433d54802c72a8f1a01b5f
SHA512

0852f685377a0588b760dd278e2da76020dbcdd639e4c048139676192cbc71a42a260c7d84cde628fa012c9f46f53afc5ca1c05e1645ecbc5d68a1446643e04f

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	4340	4548	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3244	4548	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4360	4548	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4412	4548	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

4548 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4548 EXCEL.EXE
4548 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4548	EXCEL.EXE
4548	EXCEL.EXE
4548	EXCEL.EXE
4548	EXCEL.EXE
4548	EXCEL.EXE
4548	EXCEL.EXE
4548	EXCEL.EXE
4548	EXCEL.EXE
4548	EXCEL.EXE
4548	EXCEL.EXE
4548	EXCEL.EXE
4548	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 4548 wrote to memory of 4340	4548	EXCEL.EXE	regsvr32.exe
PID 4548 wrote to memory of 4340	4548	EXCEL.EXE	regsvr32.exe
PID 4548 wrote to memory of 3244	4548	EXCEL.EXE	regsvr32.exe
PID 4548 wrote to memory of 3244	4548	EXCEL.EXE	regsvr32.exe
PID 4548 wrote to memory of 4360	4548	EXCEL.EXE	regsvr32.exe
PID 4548 wrote to memory of 4360	4548	EXCEL.EXE	regsvr32.exe
PID 4548 wrote to memory of 4412	4548	EXCEL.EXE	regsvr32.exe
PID 4548 wrote to memory of 4412	4548	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\7145c06a7504638c4036b4f32156eb4b08a247eacc433d54802c72a8f1a01b5f.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:4548

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:4340

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3244

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:4360

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:4412

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/3244-249-0x0000000000000000-mapping.dmp

Download
memory/4340-248-0x0000000000000000-mapping.dmp

Download
memory/4360-250-0x0000000000000000-mapping.dmp

Download
memory/4412-253-0x0000000000000000-mapping.dmp

Download
memory/4548-114-0x00007FFB2DA60000-0x00007FFB2DA70000-memory.dmp

Filesize
64KB

Download
memory/4548-115-0x00007FFB2DA60000-0x00007FFB2DA70000-memory.dmp

Filesize
64KB

Download
memory/4548-116-0x00007FFB2DA60000-0x00007FFB2DA70000-memory.dmp

Filesize
64KB

Download
memory/4548-117-0x00007FFB2DA60000-0x00007FFB2DA70000-memory.dmp

Filesize
64KB

Download
memory/4548-126-0x00007FFB2A3B0000-0x00007FFB2A3C0000-memory.dmp

Filesize
64KB

Download
memory/4548-127-0x00007FFB2A3B0000-0x00007FFB2A3C0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads