Malware Analysis Report

2024-11-30 14:46

Sample ID 240926-nldnqsvbqn
Target malw.exe
SHA256 4eebe151bc2a24d0a2f60b0f391379688c5fe2d0843bac37682d172e84bcdb1d
Tags
vipkeylogger collection discovery execution keylogger spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

4eebe151bc2a24d0a2f60b0f391379688c5fe2d0843bac37682d172e84bcdb1d

Threat Level: Known bad

The file malw.exe was found to be: Known bad.

Malicious Activity Summary

vipkeylogger collection discovery execution keylogger spyware stealer

VIPKeylogger

Command and Scripting Interpreter: PowerShell

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Browser Information Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

outlook_win_path

Suspicious behavior: EnumeratesProcesses

outlook_office_path

Suspicious use of SetWindowsHookEx

Opens file in notepad (likely ransom note)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-26 11:28

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-26 11:28

Reported

2024-09-26 11:30

Platform

win10-20240404-en

Max time kernel

88s

Max time network

81s

Command Line

"C:\Users\Admin\AppData\Local\Temp\malw.exe"

Signatures

VIPKeylogger

stealer keylogger vipkeylogger

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1687926120-3022217735-1146543763-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\malw.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1687926120-3022217735-1146543763-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\malw.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1687926120-3022217735-1146543763-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\malw.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A checkip.dyndns.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4780 set thread context of 164 N/A C:\Users\Admin\AppData\Local\Temp\malw.exe C:\Users\Admin\AppData\Local\Temp\malw.exe

Browser Information Discovery

discovery

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\malw.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\malw.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Opens file in notepad (likely ransom note)

ransomware
Description Indicator Process Target
N/A N/A C:\Windows\system32\NOTEPAD.EXE N/A
N/A N/A C:\Windows\system32\NOTEPAD.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\malw.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\malw.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\system32\NOTEPAD.EXE N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1687926120-3022217735-1146543763-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\malw.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1687926120-3022217735-1146543763-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\malw.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\malw.exe

"C:\Users\Admin\AppData\Local\Temp\malw.exe"

C:\Windows\system32\NOTEPAD.EXE

"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\bank.txt

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\malw.exe"

C:\Users\Admin\AppData\Local\Temp\malw.exe

"C:\Users\Admin\AppData\Local\Temp\malw.exe"

C:\Windows\system32\NOTEPAD.EXE

"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\bank.txt

Network

Country Destination Domain Proto
US 8.8.8.8:53 checkip.dyndns.org udp
DE 193.122.6.168:80 checkip.dyndns.org tcp
US 8.8.8.8:53 reallyfreegeoip.org udp
US 172.67.177.134:443 reallyfreegeoip.org tcp
US 8.8.8.8:53 168.6.122.193.in-addr.arpa udp
US 8.8.8.8:53 134.177.67.172.in-addr.arpa udp
US 8.8.8.8:53 api.telegram.org udp
NL 149.154.167.220:443 api.telegram.org tcp
US 8.8.8.8:53 220.167.154.149.in-addr.arpa udp

Files

memory/4780-0-0x00000000731DE000-0x00000000731DF000-memory.dmp

memory/4780-1-0x0000000000E50000-0x0000000000F02000-memory.dmp

memory/4780-2-0x0000000005C80000-0x000000000617E000-memory.dmp

memory/4780-3-0x0000000005820000-0x00000000058B2000-memory.dmp

memory/4780-4-0x00000000731D0000-0x00000000738BE000-memory.dmp

memory/4780-5-0x0000000005760000-0x000000000576A000-memory.dmp

memory/4780-6-0x0000000006340000-0x0000000006352000-memory.dmp

memory/4780-7-0x00000000731DE000-0x00000000731DF000-memory.dmp

memory/4780-8-0x00000000731D0000-0x00000000738BE000-memory.dmp

memory/4780-9-0x0000000006BE0000-0x0000000006C6C000-memory.dmp

memory/4780-10-0x0000000009A10000-0x0000000009AAC000-memory.dmp

memory/164-11-0x0000000000400000-0x0000000000448000-memory.dmp

memory/2728-15-0x0000000006F40000-0x0000000006F76000-memory.dmp

memory/4780-16-0x00000000731D0000-0x00000000738BE000-memory.dmp

memory/2728-17-0x0000000007710000-0x0000000007D38000-memory.dmp

memory/2728-18-0x0000000007650000-0x0000000007672000-memory.dmp

memory/2728-19-0x0000000007D40000-0x0000000007DA6000-memory.dmp

memory/2728-20-0x0000000007E90000-0x0000000007EF6000-memory.dmp

memory/2728-21-0x0000000008000000-0x0000000008350000-memory.dmp

memory/2728-22-0x0000000007E20000-0x0000000007E3C000-memory.dmp

memory/2728-23-0x0000000008450000-0x000000000849B000-memory.dmp

memory/2728-24-0x0000000008770000-0x00000000087E6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vazrcnrt.noh.ps1

MD5 c4ca4238a0b923820dcc509a6f75849b
SHA1 356a192b7913b04c54574d18c28d46e6395428ab
SHA256 6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA512 4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

memory/2728-42-0x000000006FA60000-0x000000006FAAB000-memory.dmp

memory/2728-41-0x00000000095C0000-0x00000000095F3000-memory.dmp

memory/2728-43-0x00000000095A0000-0x00000000095BE000-memory.dmp

memory/2728-48-0x0000000009700000-0x00000000097A5000-memory.dmp

memory/2728-49-0x0000000009B30000-0x0000000009BC4000-memory.dmp

memory/2728-242-0x0000000009A90000-0x0000000009AAA000-memory.dmp

memory/2728-247-0x0000000009A70000-0x0000000009A78000-memory.dmp

memory/164-264-0x0000000006160000-0x0000000006322000-memory.dmp

C:\Users\Admin\Desktop\bank.txt

MD5 df810475d1a86640585eb78b68f9a66c
SHA1 d257fee5d665d5c46226517529c5297cc4579b1c
SHA256 dd28a62e8e4f1feb68ebc7e8749fcf8d2030e20544dc3de1fa43218a3b79fe05
SHA512 a04988fd42cbe25dd901a7d4a199f7eaffe4bb633fb9eb58a332fd42c93c8b1c61dda5b88fa154bfd91d3f53daf27ed9b6413ed89c06ba11ede75133c8a68bd4