Malware Analysis Report

2024-12-07 14:15

Sample ID 241115-ct188axcnl
Target 39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe
SHA256 39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf
Tags
vipkeylogger collection discovery keylogger 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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf

Threat Level: Known bad

The file 39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe was found to be: Known bad.

Malicious Activity Summary

vipkeylogger collection discovery keylogger stealer

VIPKeylogger

Vipkeylogger family

Executes dropped EXE

Loads dropped DLL

Drops startup file

Looks up external IP address via web service

Accesses Microsoft Outlook profiles

AutoIT Executable

Suspicious use of SetThreadContext

Browser Information Discovery

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of SendNotifyMessage

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

outlook_office_path

outlook_win_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-15 02:22

Signatures

AutoIT Executable

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-15 02:22

Reported

2024-11-15 02:25

Platform

win7-20240903-en

Max time kernel

120s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe"

Signatures

VIPKeylogger

stealer keylogger vipkeylogger

Vipkeylogger family

vipkeylogger

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\nonsubmerged.vbs C:\Users\Admin\AppData\Local\deblaterate\nonsubmerged.exe N/A

Executes dropped EXE

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

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Looks up external IP address via web service

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

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1076 set thread context of 2132 N/A C:\Users\Admin\AppData\Local\deblaterate\nonsubmerged.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Browser Information Discovery

discovery

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\39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\deblaterate\nonsubmerged.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious behavior: MapViewOfSection

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 328 wrote to memory of 1076 N/A C:\Users\Admin\AppData\Local\Temp\39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe C:\Users\Admin\AppData\Local\deblaterate\nonsubmerged.exe
PID 328 wrote to memory of 1076 N/A C:\Users\Admin\AppData\Local\Temp\39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe C:\Users\Admin\AppData\Local\deblaterate\nonsubmerged.exe
PID 328 wrote to memory of 1076 N/A C:\Users\Admin\AppData\Local\Temp\39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe C:\Users\Admin\AppData\Local\deblaterate\nonsubmerged.exe
PID 328 wrote to memory of 1076 N/A C:\Users\Admin\AppData\Local\Temp\39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe C:\Users\Admin\AppData\Local\deblaterate\nonsubmerged.exe
PID 1076 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\deblaterate\nonsubmerged.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1076 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\deblaterate\nonsubmerged.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1076 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\deblaterate\nonsubmerged.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1076 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\deblaterate\nonsubmerged.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1076 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\deblaterate\nonsubmerged.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1076 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\deblaterate\nonsubmerged.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1076 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\deblaterate\nonsubmerged.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1076 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\deblaterate\nonsubmerged.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe

"C:\Users\Admin\AppData\Local\Temp\39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe"

C:\Users\Admin\AppData\Local\deblaterate\nonsubmerged.exe

"C:\Users\Admin\AppData\Local\Temp\39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

"C:\Users\Admin\AppData\Local\Temp\39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 checkip.dyndns.org udp
US 193.122.130.0:80 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 api.telegram.org udp
NL 149.154.167.220:443 api.telegram.org tcp

Files

memory/328-5-0x00000000000B0000-0x00000000000B4000-memory.dmp

\Users\Admin\AppData\Local\deblaterate\nonsubmerged.exe

MD5 28664f8d0784c730868f15becf318efe
SHA1 080a7a0e5f19cc222624f9cf10a2e6df1c52d726
SHA256 39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf
SHA512 bb93d1a04b7352f8c510dff40e77200a1b876c1c4117a811cb255160bc00ee2eda82b7c6e000d9247202b23e89f6021855a79981304f9c8b7131375e5078ade1

C:\Users\Admin\AppData\Local\Temp\pluffer

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/2132-19-0x0000000000400000-0x000000000044A000-memory.dmp

memory/2132-23-0x0000000000400000-0x000000000044A000-memory.dmp

memory/2132-21-0x0000000000400000-0x000000000044A000-memory.dmp

memory/2132-24-0x000000007429E000-0x000000007429F000-memory.dmp

memory/2132-25-0x0000000074290000-0x000000007497E000-memory.dmp

memory/2132-26-0x000000007429E000-0x000000007429F000-memory.dmp

memory/2132-27-0x0000000074290000-0x000000007497E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-15 02:22

Reported

2024-11-15 02:25

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe"

Signatures

VIPKeylogger

stealer keylogger vipkeylogger

Vipkeylogger family

vipkeylogger

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\nonsubmerged.vbs C:\Users\Admin\AppData\Local\deblaterate\nonsubmerged.exe N/A

Executes dropped EXE

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

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Looks up external IP address via web service

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

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 456 set thread context of 2552 N/A C:\Users\Admin\AppData\Local\deblaterate\nonsubmerged.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Browser Information Discovery

discovery

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\39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\deblaterate\nonsubmerged.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious behavior: MapViewOfSection

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe

"C:\Users\Admin\AppData\Local\Temp\39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe"

C:\Users\Admin\AppData\Local\deblaterate\nonsubmerged.exe

"C:\Users\Admin\AppData\Local\Temp\39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

"C:\Users\Admin\AppData\Local\Temp\39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 checkip.dyndns.org udp
JP 132.226.8.169:80 checkip.dyndns.org tcp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 reallyfreegeoip.org udp
US 172.67.177.134:443 reallyfreegeoip.org tcp
US 8.8.8.8:53 169.8.226.132.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
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 27.178.89.13.in-addr.arpa udp

Files

memory/5084-5-0x0000000004180000-0x0000000004184000-memory.dmp

C:\Users\Admin\AppData\Local\deblaterate\nonsubmerged.exe

MD5 28664f8d0784c730868f15becf318efe
SHA1 080a7a0e5f19cc222624f9cf10a2e6df1c52d726
SHA256 39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf
SHA512 bb93d1a04b7352f8c510dff40e77200a1b876c1c4117a811cb255160bc00ee2eda82b7c6e000d9247202b23e89f6021855a79981304f9c8b7131375e5078ade1

C:\Users\Admin\AppData\Local\Temp\pluffer

MD5 0d9d9e4e5e8747aba3155fff45dbccff
SHA1 1c48c3713d774b4633d569fc3cffa3898b629270
SHA256 bd8b98f9b9db4ec89bb397b65fe0b4218b1e12e2bd783520a4848e06a1c69307
SHA512 caf7729c59e56aa3171897629ea525c30b93b2ccbe23a1e277588fe5a0fadc847a64cc802679dab856a72fc454772590aa6826a93c6668db72ad6ea5e9c64859

memory/2552-17-0x0000000000400000-0x000000000044A000-memory.dmp

memory/2552-18-0x000000007514E000-0x000000007514F000-memory.dmp

memory/2552-19-0x0000000005AE0000-0x0000000006084000-memory.dmp

memory/2552-20-0x00000000055D0000-0x000000000566C000-memory.dmp

memory/2552-21-0x0000000075140000-0x00000000758F0000-memory.dmp

memory/2552-22-0x000000007514E000-0x000000007514F000-memory.dmp

memory/2552-23-0x0000000075140000-0x00000000758F0000-memory.dmp

memory/2552-24-0x0000000006A20000-0x0000000006BE2000-memory.dmp

memory/2552-25-0x00000000068A0000-0x00000000068F0000-memory.dmp

memory/2552-26-0x0000000007120000-0x000000000764C000-memory.dmp

memory/2552-27-0x0000000006BF0000-0x0000000006C82000-memory.dmp

memory/2552-28-0x0000000006A10000-0x0000000006A1A000-memory.dmp