97fd63a5db7f330d6718de9435cd9deec2b82ce9bbdea5822473555401a5f2aa

General

Target

97fd63a5db7f330d6718de9435cd9deec2b82ce9bbdea5822473555401a5f2aa.xls
Size

95KB
MD5

3cc7e8d309f9cb3ec004863c6d12ab80
SHA1

7bc997aace25e29c096b7890cfcf03cb47343a95
SHA256

97fd63a5db7f330d6718de9435cd9deec2b82ce9bbdea5822473555401a5f2aa
SHA512

396d8709d0af56207cacb6e93d8cea414069e2552af2d6237d843b28950cd556ebf562b987c87fd2744438aea375bdb76baa1f542fcee2a6b8e8b599d4253ce9

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	1304	3964	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1544	3964	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2688	3964	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	856	3964	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

3964 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

3964 EXCEL.EXE
3964 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3964	EXCEL.EXE
3964	EXCEL.EXE
3964	EXCEL.EXE
3964	EXCEL.EXE
3964	EXCEL.EXE
3964	EXCEL.EXE
3964	EXCEL.EXE
3964	EXCEL.EXE
3964	EXCEL.EXE
3964	EXCEL.EXE
3964	EXCEL.EXE
3964	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 3964 wrote to memory of 1304	3964	EXCEL.EXE	regsvr32.exe
PID 3964 wrote to memory of 1304	3964	EXCEL.EXE	regsvr32.exe
PID 3964 wrote to memory of 1544	3964	EXCEL.EXE	regsvr32.exe
PID 3964 wrote to memory of 1544	3964	EXCEL.EXE	regsvr32.exe
PID 3964 wrote to memory of 2688	3964	EXCEL.EXE	regsvr32.exe
PID 3964 wrote to memory of 2688	3964	EXCEL.EXE	regsvr32.exe
PID 3964 wrote to memory of 856	3964	EXCEL.EXE	regsvr32.exe
PID 3964 wrote to memory of 856	3964	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\97fd63a5db7f330d6718de9435cd9deec2b82ce9bbdea5822473555401a5f2aa.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:3964

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:1304

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:1544

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:2688

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:856

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/856-257-0x0000000000000000-mapping.dmp

Download
memory/1304-252-0x0000000000000000-mapping.dmp

Download
memory/1544-253-0x0000000000000000-mapping.dmp

Download
memory/2688-254-0x0000000000000000-mapping.dmp

Download
memory/3964-118-0x00007FF94C210000-0x00007FF94C220000-memory.dmp

Filesize
64KB

Download
memory/3964-119-0x00007FF94C210000-0x00007FF94C220000-memory.dmp

Filesize
64KB

Download
memory/3964-120-0x00007FF94C210000-0x00007FF94C220000-memory.dmp

Filesize
64KB

Download
memory/3964-121-0x00007FF94C210000-0x00007FF94C220000-memory.dmp

Filesize
64KB

Download
memory/3964-130-0x00007FF9486A0000-0x00007FF9486B0000-memory.dmp

Filesize
64KB

Download
memory/3964-131-0x00007FF9486A0000-0x00007FF9486B0000-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