1916166f6f182b62771b4a9312b8ea2d11bb186ecdb3ea5e0334782d6809091b

General

Target
7608883648-04012021.xlsm
Size 173KB
Sample210401-9rtpdq3enx
SHA256 1916166f6f182b62771b4a9312b8ea2d11bb186ecdb3ea5e0334782d6809091b
MD5 896c22c33fa05a5c6fe60ae4e524affe
SHA1 222f934c61085dff2fcd97e9b901cd9394c50f6a
SHA512 1a521f7c4b6d84a0e81d4e0674bfb84d1c8dd93911a197933c278252acee23434cbc27d3eb2457c770a5f19ad01af3ddbf2c95231988ffaf3c82a78daf3fbc1d
MD5 SHA1 SHA512

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.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3372	4768	rundll32.exe	68
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4084	4768	rundll32.exe	68
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4076	4768	rundll32.exe	68

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

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

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

pid	Process
4768	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4768	EXCEL.EXE
4768	EXCEL.EXE
4768	EXCEL.EXE
4768	EXCEL.EXE
4768	EXCEL.EXE
4768	EXCEL.EXE
4768	EXCEL.EXE
4768	EXCEL.EXE
4768	EXCEL.EXE
4768	EXCEL.EXE
4768	EXCEL.EXE
4768	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4768 wrote to memory of 3372	4768	EXCEL.EXE	77
PID 4768 wrote to memory of 3372	4768	EXCEL.EXE	77
PID 4768 wrote to memory of 4084	4768	EXCEL.EXE	78
PID 4768 wrote to memory of 4084	4768	EXCEL.EXE	78
PID 4768 wrote to memory of 4076	4768	EXCEL.EXE	79
PID 4768 wrote to memory of 4076	4768	EXCEL.EXE	79

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\7608883648-04012021.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4768
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\Hodas.vyur,PluginInit
  2⤵
  - Process spawned unexpected child process
  PID:3372
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\Hodas.vyur1,PluginInit
  2⤵
  - Process spawned unexpected child process
  PID:4084
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\Hodas.vyur2,PluginInit
  2⤵
  - Process spawned unexpected child process
  PID:4076

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

Loading Replay Monitor...

Downloads

memory/4768-2-0x00007FFBC05B0000-0x00007FFBC05C0000-memory.dmp

Download

memory/4768-3-0x00007FFBC05B0000-0x00007FFBC05C0000-memory.dmp

Download

memory/4768-4-0x00007FFBC05B0000-0x00007FFBC05C0000-memory.dmp

Download

memory/4768-5-0x00007FFBE4380000-0x00007FFBE49B7000-memory.dmp

Download

memory/4768-6-0x00007FFBC05B0000-0x00007FFBC05C0000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads