01bda03412e26c8cc432de1d5837dc69cc538a73080ac0bfbf3708619fdf7ef6

General

Target

sample (3).xls
Size

233KB
MD5

7dad6e822b5c1ecb7213f8fff393343b
SHA1

915cfef6c4980aef9dd27de5126d3bd526c85d09
SHA256

01bda03412e26c8cc432de1d5837dc69cc538a73080ac0bfbf3708619fdf7ef6
SHA512

5760437c44306d7f3a83f3b57db4faf84612442d3673350fe614db0ea49240418870f1ff6f92774521bafd41320a27a14b4fee957908ded6f26662f253553f9e

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 3 IoCs

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

Processes:

Rundll32.exeRundll32.exeRundll32.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	1340	508	Rundll32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1692	508	Rundll32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1832	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 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

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 6 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 508 wrote to memory of 1340	508	EXCEL.EXE	Rundll32.exe
PID 508 wrote to memory of 1340	508	EXCEL.EXE	Rundll32.exe
PID 508 wrote to memory of 1692	508	EXCEL.EXE	Rundll32.exe
PID 508 wrote to memory of 1692	508	EXCEL.EXE	Rundll32.exe
PID 508 wrote to memory of 1832	508	EXCEL.EXE	Rundll32.exe
PID 508 wrote to memory of 1832	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\sample (3).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 ..\SOT.GOT,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1340

C:\Windows\SYSTEM32\Rundll32.exe
Rundll32 ..\SOT.GOT1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1692

C:\Windows\SYSTEM32\Rundll32.exe
Rundll32 ..\SOT.GOT2,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1832

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/508-2-0x00007FF7E5FB0000-0x00007FF7E5FC0000-memory.dmp

Filesize
64KB

Download
memory/508-3-0x00007FF7E5FB0000-0x00007FF7E5FC0000-memory.dmp

Filesize
64KB

Download
memory/508-4-0x00007FF7E5FB0000-0x00007FF7E5FC0000-memory.dmp

Filesize
64KB

Download
memory/508-5-0x00007FF7E5FB0000-0x00007FF7E5FC0000-memory.dmp

Filesize
64KB

Download
memory/508-6-0x00007FF8091A0000-0x00007FF8097D7000-memory.dmp

Filesize
6.2MB

Download
memory/1340-7-0x0000000000000000-mapping.dmp

Download
memory/1692-8-0x0000000000000000-mapping.dmp

Download
memory/1832-9-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads