35f1f38c6673c7f3d9be0d5a2c49a57de857c982d2f68fb17441d7c4cabda2e8

General

Target

document-1007992934.xls
Size

86KB
MD5

9ce4a2b0b095eb9ce9c90993d72326f5
SHA1

0aa41fe52366dfbe8342b679129515903ac95a47
SHA256

35f1f38c6673c7f3d9be0d5a2c49a57de857c982d2f68fb17441d7c4cabda2e8
SHA512

b4e98ba6586a07e7050604178ca34db6078cdafa4e81310ed4c700e56200baa36d1042ab20a1713e4250a84c11dbf60ae17b299a539fb35737860f7c1da4ca2f

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

rundll32.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	936	508	rundll32.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

508 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
508	EXCEL.EXE
508	EXCEL.EXE
508	EXCEL.EXE
508	EXCEL.EXE
508	EXCEL.EXE
508	EXCEL.EXE
508	EXCEL.EXE
508	EXCEL.EXE
508	EXCEL.EXE
508	EXCEL.EXE
508	EXCEL.EXE
508	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description pid process target process

PID 508 wrote to memory of 936 508 EXCEL.EXE rundll32.exe
PID 508 wrote to memory of 936 508 EXCEL.EXE rundll32.exe

description	pid	process	target process
PID 508 wrote to memory of 936	508	EXCEL.EXE	rundll32.exe
PID 508 wrote to memory of 936	508	EXCEL.EXE	rundll32.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\document-1007992934.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:508

C:\Windows\SYSTEM32\rundll32.exe
rundll32 ..\IEUDLK.CJF,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:936

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/508-2-0x00007FF983B50000-0x00007FF983B60000-memory.dmp

Filesize
64KB

Download
memory/508-3-0x00007FF983B50000-0x00007FF983B60000-memory.dmp

Filesize
64KB

Download
memory/508-4-0x00007FF983B50000-0x00007FF983B60000-memory.dmp

Filesize
64KB

Download
memory/508-5-0x00007FF983B50000-0x00007FF983B60000-memory.dmp

Filesize
64KB

Download
memory/508-6-0x00007FF9A7210000-0x00007FF9A7847000-memory.dmp

Filesize
6.2MB

Download
memory/936-7-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads