Malware Analysis Report

2024-12-07 14:07

Sample ID 241112-hcb6naxbmr
Target Snurrevoddenes.exe
SHA256 be0b05580938cea205cb3e035bf9f814327b30a59ea80bae55255530519d1fcd
Tags
vipkeylogger discovery keylogger persistence stealer collection spyware
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

be0b05580938cea205cb3e035bf9f814327b30a59ea80bae55255530519d1fcd

Threat Level: Known bad

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

Malicious Activity Summary

vipkeylogger discovery keylogger persistence stealer collection spyware

VIPKeylogger

Vipkeylogger family

Loads dropped DLL

Reads user/profile data of web browsers

Reads user/profile data of local email clients

Adds Run key to start application

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Suspicious use of SetThreadContext

Suspicious use of NtCreateThreadExHideFromDebugger

Suspicious use of NtSetInformationThreadHideFromDebugger

Browser Information Discovery

Unsigned PE

Program crash

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

outlook_office_path

Suspicious behavior: EnumeratesProcesses

outlook_win_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-12 06:35

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-12 06:35

Reported

2024-11-12 06:37

Platform

win7-20240903-en

Max time kernel

122s

Max time network

123s

Command Line

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

Signatures

VIPKeylogger

stealer keylogger vipkeylogger

Vipkeylogger family

vipkeylogger

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Snurrevoddenes.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Stavemaaden = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Milkhouse180\\Lgehjlp.exe" C:\Users\Admin\AppData\Local\Temp\Snurrevoddenes.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 NtCreateThreadExHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Snurrevoddenes.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Snurrevoddenes.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Snurrevoddenes.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2856 set thread context of 2808 N/A C:\Users\Admin\AppData\Local\Temp\Snurrevoddenes.exe C:\Users\Admin\AppData\Local\Temp\Snurrevoddenes.exe

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\Snurrevoddenes.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\Snurrevoddenes.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Snurrevoddenes.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Snurrevoddenes.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Snurrevoddenes.exe N/A

Processes

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

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

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 mertvinc.com.tr udp
TR 185.244.144.68:80 mertvinc.com.tr tcp
US 8.8.8.8:53 checkip.dyndns.org udp
BR 132.226.247.73:80 checkip.dyndns.org tcp
US 8.8.8.8:53 reallyfreegeoip.org udp
US 104.21.67.152:443 reallyfreegeoip.org tcp

Files

\Users\Admin\AppData\Local\Temp\nseE9F4.tmp\System.dll

MD5 fc90dfb694d0e17b013d6f818bce41b0
SHA1 3243969886d640af3bfa442728b9f0dff9d5f5b0
SHA256 7fe77ca13121a113c59630a3dba0c8aaa6372e8082393274da8f8608c4ce4528
SHA512 324f13aa7a33c6408e2a57c3484d1691ecee7c3c1366de2bb8978c8dc66b18425d8cab5a32d1702c13c43703e36148a022263de7166afdce141da2b01169f1c6

memory/2856-12-0x0000000076FC1000-0x00000000770C2000-memory.dmp

memory/2856-13-0x0000000076FC0000-0x0000000077169000-memory.dmp

memory/2808-14-0x0000000076FC0000-0x0000000077169000-memory.dmp

memory/2808-16-0x0000000000480000-0x00000000014E2000-memory.dmp

memory/2808-17-0x0000000000480000-0x00000000014E2000-memory.dmp

memory/2808-18-0x0000000000480000-0x00000000004CA000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-12 06:35

Reported

2024-11-12 06:37

Platform

win10v2004-20241007-en

Max time kernel

141s

Max time network

141s

Command Line

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

Signatures

VIPKeylogger

stealer keylogger vipkeylogger

Vipkeylogger family

vipkeylogger

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Snurrevoddenes.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-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Snurrevoddenes.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Snurrevoddenes.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Snurrevoddenes.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Stavemaaden = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Milkhouse180\\Lgehjlp.exe" C:\Users\Admin\AppData\Local\Temp\Snurrevoddenes.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 NtCreateThreadExHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Snurrevoddenes.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Snurrevoddenes.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Snurrevoddenes.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1848 set thread context of 1996 N/A C:\Users\Admin\AppData\Local\Temp\Snurrevoddenes.exe C:\Users\Admin\AppData\Local\Temp\Snurrevoddenes.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\Snurrevoddenes.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\Snurrevoddenes.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Snurrevoddenes.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Snurrevoddenes.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Snurrevoddenes.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Snurrevoddenes.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Snurrevoddenes.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Snurrevoddenes.exe N/A

Processes

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

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

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 mertvinc.com.tr udp
TR 185.244.144.68:80 mertvinc.com.tr tcp
US 8.8.8.8:53 68.144.244.185.in-addr.arpa udp
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 104.21.67.152:443 reallyfreegeoip.org tcp
US 8.8.8.8:53 168.6.122.193.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 8.8.8.8:53 152.67.21.104.in-addr.arpa udp
US 8.8.8.8:53 220.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\nskAD68.tmp\System.dll

MD5 fc90dfb694d0e17b013d6f818bce41b0
SHA1 3243969886d640af3bfa442728b9f0dff9d5f5b0
SHA256 7fe77ca13121a113c59630a3dba0c8aaa6372e8082393274da8f8608c4ce4528
SHA512 324f13aa7a33c6408e2a57c3484d1691ecee7c3c1366de2bb8978c8dc66b18425d8cab5a32d1702c13c43703e36148a022263de7166afdce141da2b01169f1c6

memory/1848-12-0x0000000077121000-0x0000000077241000-memory.dmp

memory/1848-14-0x0000000010004000-0x0000000010005000-memory.dmp

memory/1848-13-0x0000000077121000-0x0000000077241000-memory.dmp

memory/1996-15-0x00000000771A8000-0x00000000771A9000-memory.dmp

memory/1996-16-0x0000000077121000-0x0000000077241000-memory.dmp

memory/1996-18-0x0000000000480000-0x00000000016D4000-memory.dmp

memory/1996-19-0x0000000000480000-0x00000000016D4000-memory.dmp

memory/1996-20-0x00000000721EE000-0x00000000721EF000-memory.dmp

memory/1996-21-0x0000000000480000-0x00000000004CA000-memory.dmp

memory/1996-22-0x00000000381A0000-0x0000000038744000-memory.dmp

memory/1996-23-0x0000000038790000-0x000000003882C000-memory.dmp

memory/1996-24-0x00000000721E0000-0x0000000072990000-memory.dmp

memory/1996-25-0x0000000038FF0000-0x00000000391B2000-memory.dmp

memory/1996-26-0x00000000391E0000-0x0000000039230000-memory.dmp

memory/1996-27-0x00000000392C0000-0x00000000397EC000-memory.dmp

memory/1996-29-0x00000000721EE000-0x00000000721EF000-memory.dmp

memory/1996-30-0x00000000721E0000-0x0000000072990000-memory.dmp

memory/1996-32-0x0000000039840000-0x00000000398D2000-memory.dmp

memory/1996-34-0x0000000039930000-0x000000003993A000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-11-12 06:35

Reported

2024-11-12 06:37

Platform

win7-20241010-en

Max time kernel

13s

Max time network

19s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2808 -s 228

Network

N/A

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-11-12 06:35

Reported

2024-11-12 06:37

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

137s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2536 wrote to memory of 2908 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2536 wrote to memory of 2908 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2536 wrote to memory of 2908 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2908 -ip 2908

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2908 -s 612

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 100.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp

Files

N/A