3dd00c8e849bf70449d34f416aca98201a2525379d5bdf2e76058f829f5d7c73

General

Target

3dd00c8e849bf70449d34f416aca98201a2525379d5bdf2e76058f829f5d7c73.xls
Size

95KB
MD5

9648e13a92b9b7922c8fb6618e05f550
SHA1

218905d876e395cfc9e4b37cf3038add92ad6756
SHA256

3dd00c8e849bf70449d34f416aca98201a2525379d5bdf2e76058f829f5d7c73
SHA512

1662191c1c4ddcecf3b0f4f23354d724a0c29f33af11c1718242cdebe56e5d2f6e4ff64dee5f546830c1ebc5f225b0cd9524878570f6a4955c81044d4cccee84

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	2052	3308	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2660	3308	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2792	3308	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3488	3308	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

3308 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

3308 EXCEL.EXE
3308 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3308	EXCEL.EXE
3308	EXCEL.EXE
3308	EXCEL.EXE
3308	EXCEL.EXE
3308	EXCEL.EXE
3308	EXCEL.EXE
3308	EXCEL.EXE
3308	EXCEL.EXE
3308	EXCEL.EXE
3308	EXCEL.EXE
3308	EXCEL.EXE
3308	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 3308 wrote to memory of 2052	3308	EXCEL.EXE	regsvr32.exe
PID 3308 wrote to memory of 2052	3308	EXCEL.EXE	regsvr32.exe
PID 3308 wrote to memory of 2660	3308	EXCEL.EXE	regsvr32.exe
PID 3308 wrote to memory of 2660	3308	EXCEL.EXE	regsvr32.exe
PID 3308 wrote to memory of 2792	3308	EXCEL.EXE	regsvr32.exe
PID 3308 wrote to memory of 2792	3308	EXCEL.EXE	regsvr32.exe
PID 3308 wrote to memory of 3488	3308	EXCEL.EXE	regsvr32.exe
PID 3308 wrote to memory of 3488	3308	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\3dd00c8e849bf70449d34f416aca98201a2525379d5bdf2e76058f829f5d7c73.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:3308

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:2052

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:2660

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:2792

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:3488

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/2052-266-0x0000000000000000-mapping.dmp

Download
memory/2660-267-0x0000000000000000-mapping.dmp

Download
memory/2792-268-0x0000000000000000-mapping.dmp

Download
memory/3308-119-0x00007FFA6DFF0000-0x00007FFA6E000000-memory.dmp

Filesize
64KB

Download
memory/3308-128-0x00007FFA6B0A0000-0x00007FFA6B0B0000-memory.dmp

Filesize
64KB

Download
memory/3308-129-0x00007FFA6B0A0000-0x00007FFA6B0B0000-memory.dmp

Filesize
64KB

Download
memory/3308-116-0x00007FFA6DFF0000-0x00007FFA6E000000-memory.dmp

Filesize
64KB

Download
memory/3308-118-0x00007FFA6DFF0000-0x00007FFA6E000000-memory.dmp

Filesize
64KB

Download
memory/3308-117-0x00007FFA6DFF0000-0x00007FFA6E000000-memory.dmp

Filesize
64KB

Download
memory/3308-308-0x00007FFA6DFF0000-0x00007FFA6E000000-memory.dmp

Filesize
64KB

Download
memory/3308-309-0x00007FFA6DFF0000-0x00007FFA6E000000-memory.dmp

Filesize
64KB

Download
memory/3308-310-0x00007FFA6DFF0000-0x00007FFA6E000000-memory.dmp

Filesize
64KB

Download
memory/3308-311-0x00007FFA6DFF0000-0x00007FFA6E000000-memory.dmp

Filesize
64KB

Download
memory/3488-271-0x0000000000000000-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