35a9411a59b4a4adf250b23e1d75a469f0fd5304d4df5a400bdc4f1aa4f99c86

General

Target

35a9411a59b4a4adf250b23e1d75a469f0fd5304d4df5a400bdc4f1aa4f99c86.xls
Size

95KB
MD5

df80094eb20bdffd9202b9d5da454768
SHA1

8f95354d4e5526936b4acc42b2747f54af442716
SHA256

35a9411a59b4a4adf250b23e1d75a469f0fd5304d4df5a400bdc4f1aa4f99c86
SHA512

21ca61bba21a89b6cbf2dfc57683f3b83bef990f23f5e9d5d4b3401896a5bc6b72d2973156835733533d737629ff2545fa37d4d0fc9f21743e7ddd42a46e19d4

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	3956	2060	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2172	2060	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3964	2060	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4020	2060	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

2060 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2060	EXCEL.EXE
2060	EXCEL.EXE
2060	EXCEL.EXE
2060	EXCEL.EXE
2060	EXCEL.EXE
2060	EXCEL.EXE
2060	EXCEL.EXE
2060	EXCEL.EXE
2060	EXCEL.EXE
2060	EXCEL.EXE
2060	EXCEL.EXE
2060	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2060 wrote to memory of 3956	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 3956	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 2172	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 2172	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 3964	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 3964	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 4020	2060	EXCEL.EXE	regsvr32.exe
PID 2060 wrote to memory of 4020	2060	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\35a9411a59b4a4adf250b23e1d75a469f0fd5304d4df5a400bdc4f1aa4f99c86.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2060

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:3956

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:2172

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:3964

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:4020

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/2060-118-0x00007FFB63430000-0x00007FFB63440000-memory.dmp

Filesize
64KB

Download
memory/2060-119-0x00007FFB63430000-0x00007FFB63440000-memory.dmp

Filesize
64KB

Download
memory/2060-120-0x00007FFB63430000-0x00007FFB63440000-memory.dmp

Filesize
64KB

Download
memory/2060-121-0x00007FFB63430000-0x00007FFB63440000-memory.dmp

Filesize
64KB

Download
memory/2060-130-0x00007FFB5FE40000-0x00007FFB5FE50000-memory.dmp

Filesize
64KB

Download
memory/2060-131-0x00007FFB5FE40000-0x00007FFB5FE50000-memory.dmp

Filesize
64KB

Download
memory/2172-259-0x0000000000000000-mapping.dmp

Download
memory/3956-258-0x0000000000000000-mapping.dmp

Download
memory/3964-260-0x0000000000000000-mapping.dmp

Download
memory/4020-263-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads