Malware Analysis Report

2025-05-05 21:48

Sample ID 241129-nl46paxpgn
Target tmp1u2e_efl
SHA256 6c9e54f7f42bd5c8c7e8dc0c34ba0961d95513db27c854ce83e8206d6f4c1b9b
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

6c9e54f7f42bd5c8c7e8dc0c34ba0961d95513db27c854ce83e8206d6f4c1b9b

Threat Level: Known bad

The file tmp1u2e_efl was found to be: Known bad.

Malicious Activity Summary

vipkeylogger collection discovery execution keylogger spyware stealer

VIPKeylogger

Vipkeylogger family

Command and Scripting Interpreter: PowerShell

Checks computer location settings

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

Browser Information Discovery

Enumerates physical storage devices

Unsigned PE

outlook_office_path

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

outlook_win_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-29 11:30

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-29 11:30

Reported

2024-11-29 11:32

Platform

win7-20241010-en

Max time kernel

74s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe"

Signatures

VIPKeylogger

stealer keylogger vipkeylogger

Vipkeylogger family

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.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 2060 set thread context of 3032 N/A C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.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\tmp1u2e_efl.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2060 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2060 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2060 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2060 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2060 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe
PID 2060 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe
PID 2060 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe
PID 2060 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe
PID 2060 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe
PID 2060 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe
PID 2060 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe
PID 2060 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe
PID 2060 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe

"C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe"

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\tmp1u2e_efl.exe"

C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe

"C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe"

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 api.telegram.org udp
NL 149.154.167.220:443 api.telegram.org tcp

Files

memory/2060-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

memory/2060-1-0x0000000001370000-0x0000000001440000-memory.dmp

memory/2060-2-0x00000000749F0000-0x00000000750DE000-memory.dmp

memory/2060-3-0x0000000000A10000-0x0000000000A28000-memory.dmp

memory/2060-4-0x00000000749FE000-0x00000000749FF000-memory.dmp

memory/2060-5-0x00000000749F0000-0x00000000750DE000-memory.dmp

memory/2060-6-0x0000000004F30000-0x0000000004FBE000-memory.dmp

memory/3032-9-0x0000000000400000-0x0000000000448000-memory.dmp

memory/3032-15-0x0000000000400000-0x0000000000448000-memory.dmp

memory/3032-13-0x0000000000400000-0x0000000000448000-memory.dmp

memory/3032-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/3032-18-0x00000000749F0000-0x00000000750DE000-memory.dmp

memory/3032-10-0x0000000000400000-0x0000000000448000-memory.dmp

memory/3032-8-0x0000000000400000-0x0000000000448000-memory.dmp

memory/3032-7-0x0000000000400000-0x0000000000448000-memory.dmp

memory/3032-17-0x0000000000400000-0x0000000000448000-memory.dmp

memory/2060-19-0x00000000749F0000-0x00000000750DE000-memory.dmp

memory/3032-20-0x00000000749F0000-0x00000000750DE000-memory.dmp

memory/3032-23-0x00000000749F0000-0x00000000750DE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-29 11:30

Reported

2024-11-29 11:32

Platform

win10v2004-20241007-en

Max time kernel

129s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe"

Signatures

VIPKeylogger

stealer keylogger vipkeylogger

Vipkeylogger family

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.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-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.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 5008 set thread context of 2728 N/A C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.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\tmp1u2e_efl.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5008 wrote to memory of 1692 N/A C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 5008 wrote to memory of 1692 N/A C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 5008 wrote to memory of 1692 N/A C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 5008 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe
PID 5008 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe
PID 5008 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe
PID 5008 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe
PID 5008 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe
PID 5008 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe
PID 5008 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe
PID 5008 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe

"C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe"

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\tmp1u2e_efl.exe"

C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe

"C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 checkip.dyndns.org udp
JP 132.226.8.169:80 checkip.dyndns.org tcp
US 8.8.8.8:53 169.8.226.132.in-addr.arpa udp
US 8.8.8.8:53 reallyfreegeoip.org udp
US 104.21.67.152:443 reallyfreegeoip.org tcp
US 8.8.8.8:53 152.67.21.104.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 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/5008-0-0x000000007462E000-0x000000007462F000-memory.dmp

memory/5008-1-0x0000000000B30000-0x0000000000C00000-memory.dmp

memory/5008-2-0x0000000005B30000-0x00000000060D4000-memory.dmp

memory/5008-3-0x0000000005620000-0x00000000056B2000-memory.dmp

memory/5008-4-0x00000000060E0000-0x0000000006434000-memory.dmp

memory/5008-5-0x0000000074620000-0x0000000074DD0000-memory.dmp

memory/5008-6-0x0000000005790000-0x000000000579A000-memory.dmp

memory/5008-7-0x0000000008740000-0x0000000008758000-memory.dmp

memory/5008-8-0x000000007462E000-0x000000007462F000-memory.dmp

memory/5008-9-0x0000000074620000-0x0000000074DD0000-memory.dmp

memory/5008-10-0x0000000008BE0000-0x0000000008C6E000-memory.dmp

memory/5008-11-0x000000000B3E0000-0x000000000B47C000-memory.dmp

memory/2728-12-0x0000000000400000-0x0000000000448000-memory.dmp

memory/2728-13-0x0000000074620000-0x0000000074DD0000-memory.dmp

memory/5008-15-0x0000000074620000-0x0000000074DD0000-memory.dmp

memory/2728-17-0x0000000074620000-0x0000000074DD0000-memory.dmp

memory/1692-18-0x0000000074620000-0x0000000074DD0000-memory.dmp

memory/1692-19-0x0000000005440000-0x0000000005A68000-memory.dmp

memory/1692-20-0x0000000074620000-0x0000000074DD0000-memory.dmp

memory/1692-16-0x00000000028F0000-0x0000000002926000-memory.dmp

memory/1692-22-0x00000000053D0000-0x0000000005436000-memory.dmp

memory/1692-23-0x0000000005B70000-0x0000000005BD6000-memory.dmp

memory/1692-21-0x00000000052B0000-0x00000000052D2000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zvsoioni.wyw.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/1692-33-0x0000000005E50000-0x00000000061A4000-memory.dmp

memory/1692-34-0x00000000061F0000-0x000000000620E000-memory.dmp

memory/1692-35-0x0000000006290000-0x00000000062DC000-memory.dmp

memory/1692-36-0x0000000007210000-0x0000000007242000-memory.dmp

memory/1692-37-0x0000000070900000-0x000000007094C000-memory.dmp

memory/1692-47-0x0000000007250000-0x000000000726E000-memory.dmp

memory/1692-48-0x0000000007270000-0x0000000007313000-memory.dmp

memory/1692-49-0x0000000007C00000-0x000000000827A000-memory.dmp

memory/1692-50-0x00000000075C0000-0x00000000075DA000-memory.dmp

memory/1692-51-0x0000000007630000-0x000000000763A000-memory.dmp

memory/1692-52-0x0000000007840000-0x00000000078D6000-memory.dmp

memory/1692-53-0x00000000077C0000-0x00000000077D1000-memory.dmp

memory/1692-54-0x00000000077F0000-0x00000000077FE000-memory.dmp

memory/1692-55-0x0000000007800000-0x0000000007814000-memory.dmp

memory/1692-56-0x0000000007900000-0x000000000791A000-memory.dmp

memory/1692-57-0x00000000078E0000-0x00000000078E8000-memory.dmp

memory/1692-60-0x0000000074620000-0x0000000074DD0000-memory.dmp

memory/2728-61-0x0000000074620000-0x0000000074DD0000-memory.dmp

memory/2728-62-0x00000000066F0000-0x00000000068B2000-memory.dmp

memory/2728-63-0x0000000006590000-0x00000000065E0000-memory.dmp