127b768af39df4e57f7907a5de1265c7abe7c4c3d8f80cae94bddd02ae732463

General

Target

127b768af39df4e57f7907a5de1265c7abe7c4c3d8f80cae94bddd02ae732463.xls
Size

95KB
MD5

209de79486ac893b213f9ffb1c815877
SHA1

8f4ad00123eb00eaec3668388b685d6ce3b41728
SHA256

127b768af39df4e57f7907a5de1265c7abe7c4c3d8f80cae94bddd02ae732463
SHA512

f45401b33322cc4798b63bf4d54f0112b114acd3085ee0c0c2a80ec4aa083413f70bcc5f62705404e2c32083374511f5f7b717e7b4aee84c486d31497bdaec81

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	580	4456	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4872	4456	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	416	4456	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	648	4456	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

4456 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4456 EXCEL.EXE
4456 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4456	EXCEL.EXE
4456	EXCEL.EXE
4456	EXCEL.EXE
4456	EXCEL.EXE
4456	EXCEL.EXE
4456	EXCEL.EXE
4456	EXCEL.EXE
4456	EXCEL.EXE
4456	EXCEL.EXE
4456	EXCEL.EXE
4456	EXCEL.EXE
4456	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 4456 wrote to memory of 580	4456	EXCEL.EXE	regsvr32.exe
PID 4456 wrote to memory of 580	4456	EXCEL.EXE	regsvr32.exe
PID 4456 wrote to memory of 4872	4456	EXCEL.EXE	regsvr32.exe
PID 4456 wrote to memory of 4872	4456	EXCEL.EXE	regsvr32.exe
PID 4456 wrote to memory of 416	4456	EXCEL.EXE	regsvr32.exe
PID 4456 wrote to memory of 416	4456	EXCEL.EXE	regsvr32.exe
PID 4456 wrote to memory of 648	4456	EXCEL.EXE	regsvr32.exe
PID 4456 wrote to memory of 648	4456	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\127b768af39df4e57f7907a5de1265c7abe7c4c3d8f80cae94bddd02ae732463.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:4456

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:580

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:4872

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:416

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:648

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/416-269-0x0000000000000000-mapping.dmp

Download
memory/580-267-0x0000000000000000-mapping.dmp

Download
memory/648-272-0x0000000000000000-mapping.dmp

Download
memory/4456-117-0x00007FF9532C0000-0x00007FF9532D0000-memory.dmp

Filesize
64KB

Download
memory/4456-118-0x00007FF9532C0000-0x00007FF9532D0000-memory.dmp

Filesize
64KB

Download
memory/4456-119-0x00007FF9532C0000-0x00007FF9532D0000-memory.dmp

Filesize
64KB

Download
memory/4456-120-0x00007FF9532C0000-0x00007FF9532D0000-memory.dmp

Filesize
64KB

Download
memory/4456-129-0x00007FF94FA40000-0x00007FF94FA50000-memory.dmp

Filesize
64KB

Download
memory/4456-130-0x00007FF94FA40000-0x00007FF94FA50000-memory.dmp

Filesize
64KB

Download
memory/4872-268-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads