e8d122c430ae8e186fe266a63511405aa82465e5aaf92d8fb1934533b2eb0dc4

General

Target

55225 NEL1334605.xlsm
Size

39KB
MD5

235326560f595b807aa52df22e8d5e69
SHA1

c0266c830b5287c1a0fc2c00c696040b10092ca4
SHA256

e8d122c430ae8e186fe266a63511405aa82465e5aaf92d8fb1934533b2eb0dc4
SHA512

6502bdcce9d3d615b0f87d678b86b986dc493139d20fe8d830c8bc0aecb90ccf3458582fc9ca96af17a27c09e471db325a910dad90dfd6f9448785b7b13cb085

Score

10^/10

Malware Config

Signatures

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: EnumeratesProcesses 15 IoCs

pid	Process
4048	WerFault.exe
4048	WerFault.exe
4048	WerFault.exe
4048	WerFault.exe
4048	WerFault.exe
4048	WerFault.exe
4048	WerFault.exe
4048	WerFault.exe
4048	WerFault.exe
4048	WerFault.exe
4048	WerFault.exe
4048	WerFault.exe
4048	WerFault.exe
4048	WerFault.exe
4048	WerFault.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2920	EXCEL.EXE

Process spawned unexpected child process 1 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	4048	2920	WerFault.exe	66

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4048	2920	WerFault.exe	66

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 4048 created 2920	4048	WerFault.exe	66

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4048	WerFault.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

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

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
2920	EXCEL.EXE
2920	EXCEL.EXE
2920	EXCEL.EXE
2920	EXCEL.EXE
2920	EXCEL.EXE
2920	EXCEL.EXE
2920	EXCEL.EXE
2920	EXCEL.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\55225 NEL1334605.xlsm"
1⤵
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Checks processor information in registry
- Suspicious use of SetWindowsHookEx
PID:2920
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2920 -s 4720
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Process spawned unexpected child process
  - Program crash
  - Suspicious use of NtCreateProcessExOtherParentProcess
  - Suspicious use of AdjustPrivilegeToken
  PID:4048

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/2920-0-0x00000200084DD000-0x00000200084E6000-memory.dmp

Filesize
36KB

Download
memory/2920-1-0x00000200084DD000-0x00000200084E6000-memory.dmp

Filesize
36KB

Download
memory/2920-2-0x00000200084DD000-0x00000200084E6000-memory.dmp

Filesize
36KB

Download
memory/2920-3-0x000002000EC3A000-0x000002000EC66000-memory.dmp

Filesize
176KB

Download
memory/2920-4-0x000002000EC3A000-0x000002000EC66000-memory.dmp

Filesize
176KB

Download
memory/4048-5-0x000001D809DC0000-0x000001D809DC1000-memory.dmp

Filesize
4KB

Download
memory/4048-6-0x000001D809DC0000-0x000001D809DC1000-memory.dmp

Filesize
4KB

Download
memory/4048-8-0x000001D80AC30000-0x000001D80AC31000-memory.dmp

Filesize
4KB

Download
memory/4048-9-0x000001D80AC30000-0x000001D80AC31000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads