2f4f675900433f167fc04d0a2009195548db1f4aaa0a4d5b70443dcd341aeac0

General

Target
71923841627-04012021.xlsm
Size 173KB
Sample210401-jqw4566hex
SHA256 2f4f675900433f167fc04d0a2009195548db1f4aaa0a4d5b70443dcd341aeac0
MD5 dc221013d9f68f9641fc16cf70efed32
SHA1 4444a75c26d4563160c03939793746b1c8059e22
SHA512 37794852979fcf81973d1c94c00dc54958e7c9946ce042566b833d57d84a87cabda71fd0aa39ab04bb38a6f6efb8dc601d0a8ced84387c97b395d2ee072a3d55
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	3700	896	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3888	896	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3900	896	rundll32.exe	67

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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
896	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
896	EXCEL.EXE
896	EXCEL.EXE
896	EXCEL.EXE
896	EXCEL.EXE
896	EXCEL.EXE
896	EXCEL.EXE
896	EXCEL.EXE
896	EXCEL.EXE
896	EXCEL.EXE
896	EXCEL.EXE
896	EXCEL.EXE
896	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 896 wrote to memory of 3700	896	EXCEL.EXE	78
PID 896 wrote to memory of 3700	896	EXCEL.EXE	78
PID 896 wrote to memory of 3888	896	EXCEL.EXE	79
PID 896 wrote to memory of 3888	896	EXCEL.EXE	79
PID 896 wrote to memory of 3900	896	EXCEL.EXE	80
PID 896 wrote to memory of 3900	896	EXCEL.EXE	80

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\71923841627-04012021.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:896
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\Hodas.vyur,PluginInit
  2⤵
  - Process spawned unexpected child process
  PID:3700
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\Hodas.vyur1,PluginInit
  2⤵
  - Process spawned unexpected child process
  PID:3888
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\Hodas.vyur2,PluginInit
  2⤵
  - Process spawned unexpected child process
  PID:3900

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

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Downloads

memory/896-2-0x00007FFA0DCD0000-0x00007FFA0DCE0000-memory.dmp

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memory/896-3-0x00007FFA0DCD0000-0x00007FFA0DCE0000-memory.dmp

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memory/896-4-0x00007FFA0DCD0000-0x00007FFA0DCE0000-memory.dmp

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memory/896-5-0x00007FFA0DCD0000-0x00007FFA0DCE0000-memory.dmp

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memory/896-6-0x00007FFA311B0000-0x00007FFA317E7000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads