f209842c45736ec4b7d3c9bc8a8ad43a3edb79768893332a6c522fa045e291e2

General

Target

f209842c45736ec4b7d3c9bc8a8ad43a3edb79768893332a6c522fa045e291e2.xls
Size

95KB
MD5

3e43713eb0bcecbe8129b4f33c6330e4
SHA1

a4eb0093fa5c8311a6b2f35680041c96a5a8a91a
SHA256

f209842c45736ec4b7d3c9bc8a8ad43a3edb79768893332a6c522fa045e291e2
SHA512

5845948d2ed497eb4c7d23737bd8fe0626ee3701c5fab68c9b1a72aa4b45cbb45101b23f5cdcc568f7cabb23de794f1dceae24412f7d088600eecef7d7def0a9

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	3288	2904	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3564	2904	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3812	2904	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1384	2904	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2904 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

2904 EXCEL.EXE
2904 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2904	EXCEL.EXE
2904	EXCEL.EXE
2904	EXCEL.EXE
2904	EXCEL.EXE
2904	EXCEL.EXE
2904	EXCEL.EXE
2904	EXCEL.EXE
2904	EXCEL.EXE
2904	EXCEL.EXE
2904	EXCEL.EXE
2904	EXCEL.EXE
2904	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2904 wrote to memory of 3288	2904	EXCEL.EXE	regsvr32.exe
PID 2904 wrote to memory of 3288	2904	EXCEL.EXE	regsvr32.exe
PID 2904 wrote to memory of 3564	2904	EXCEL.EXE	regsvr32.exe
PID 2904 wrote to memory of 3564	2904	EXCEL.EXE	regsvr32.exe
PID 2904 wrote to memory of 3812	2904	EXCEL.EXE	regsvr32.exe
PID 2904 wrote to memory of 3812	2904	EXCEL.EXE	regsvr32.exe
PID 2904 wrote to memory of 1384	2904	EXCEL.EXE	regsvr32.exe
PID 2904 wrote to memory of 1384	2904	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\f209842c45736ec4b7d3c9bc8a8ad43a3edb79768893332a6c522fa045e291e2.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:2904

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:3288

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3564

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:3812

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:1384

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/1384-273-0x0000000000000000-mapping.dmp

Download
memory/2904-118-0x00007FFC8AAA0000-0x00007FFC8AAB0000-memory.dmp

Filesize
64KB

Download
memory/2904-119-0x00007FFC8AAA0000-0x00007FFC8AAB0000-memory.dmp

Filesize
64KB

Download
memory/2904-120-0x00007FFC8AAA0000-0x00007FFC8AAB0000-memory.dmp

Filesize
64KB

Download
memory/2904-121-0x00007FFC8AAA0000-0x00007FFC8AAB0000-memory.dmp

Filesize
64KB

Download
memory/2904-130-0x00007FFC87320000-0x00007FFC87330000-memory.dmp

Filesize
64KB

Download
memory/2904-131-0x00007FFC87320000-0x00007FFC87330000-memory.dmp

Filesize
64KB

Download
memory/3288-268-0x0000000000000000-mapping.dmp

Download
memory/3564-269-0x0000000000000000-mapping.dmp

Download
memory/3812-270-0x0000000000000000-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