Malware Analysis Report

2025-05-28 14:54

Sample ID 240821-l77slasepf
Target 442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe
SHA256 442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928
Tags
vipkeylogger collection credential_access discovery execution 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

442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928

Threat Level: Known bad

The file 442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe was found to be: Known bad.

Malicious Activity Summary

vipkeylogger collection credential_access discovery execution keylogger stealer

VIPKeylogger

Credentials from Password Stores: Credentials from Web Browsers

Command and Scripting Interpreter: PowerShell

Checks computer location settings

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Suspicious use of SetThreadContext

Enumerates physical storage devices

Unsigned PE

Browser Information Discovery

outlook_office_path

outlook_win_path

Suspicious use of WriteProcessMemory

Scheduled Task/Job: Scheduled Task

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Uses Task Scheduler COM API

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-21 10:11

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-21 10:11

Reported

2024-08-21 10:14

Platform

win7-20240704-en

Max time kernel

15s

Max time network

19s

Command Line

"C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe

"C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2552 -s 628

Network

N/A

Files

memory/2552-0-0x000007FEF5F03000-0x000007FEF5F04000-memory.dmp

memory/2552-1-0x0000000000B00000-0x0000000000C00000-memory.dmp

memory/2552-2-0x000007FEF5F00000-0x000007FEF68EC000-memory.dmp

memory/2552-3-0x0000000000710000-0x0000000000734000-memory.dmp

memory/2552-4-0x000007FEF5F03000-0x000007FEF5F04000-memory.dmp

memory/2552-5-0x000007FEF5F00000-0x000007FEF68EC000-memory.dmp

memory/2552-6-0x00000000024B0000-0x00000000024C6000-memory.dmp

memory/2552-7-0x00000000024D0000-0x00000000024E4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-21 10:11

Reported

2024-08-21 10:14

Platform

win10v2004-20240802-en

Max time kernel

136s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe"

Signatures

VIPKeylogger

stealer keylogger vipkeylogger

Credentials from Password Stores: Credentials from Web Browsers

credential_access stealer

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe N/A

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.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 940 set thread context of 1496 N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe

Browser Information Discovery

discovery

Enumerates physical storage devices

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\schtasks.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 940 wrote to memory of 3052 N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 940 wrote to memory of 3052 N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 940 wrote to memory of 3948 N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe C:\Windows\System32\schtasks.exe
PID 940 wrote to memory of 3948 N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe C:\Windows\System32\schtasks.exe
PID 940 wrote to memory of 1496 N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
PID 940 wrote to memory of 1496 N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
PID 940 wrote to memory of 1496 N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
PID 940 wrote to memory of 1496 N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
PID 940 wrote to memory of 1496 N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
PID 940 wrote to memory of 1496 N/A C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe

Uses Task Scheduler COM API

persistence

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe

"C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\heCLzWogkeJIUS.exe"

C:\Windows\System32\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\heCLzWogkeJIUS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp995D.tmp"

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
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 8.8.8.8:53 73.247.226.132.in-addr.arpa 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 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/940-0-0x00007FFCC8C53000-0x00007FFCC8C55000-memory.dmp

memory/940-1-0x0000000000130000-0x0000000000230000-memory.dmp

memory/940-2-0x00007FFCC8C50000-0x00007FFCC9711000-memory.dmp

memory/940-3-0x0000000001190000-0x00000000011B4000-memory.dmp

memory/940-4-0x00007FFCC8C53000-0x00007FFCC8C55000-memory.dmp

memory/940-5-0x00007FFCC8C50000-0x00007FFCC9711000-memory.dmp

memory/940-6-0x0000000001230000-0x0000000001246000-memory.dmp

memory/940-7-0x0000000000D30000-0x0000000000D44000-memory.dmp

memory/940-8-0x000000001CDC0000-0x000000001CE48000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp995D.tmp

MD5 a53d7ba7896efbfc22f4ceb9360c4a5a
SHA1 663d63916f2ed4f58e9defb700c3fe520b6b22c6
SHA256 10af28c80527f009f365e1a26c66544dd8399604119148771b5f42c97cf173d0
SHA512 803b405fdb36c04708a71c7190f49ee27019f2dfbe79580c3ad720733ab3957ef5890884f7d02ad9893af7739ec5dfef07d6ae6811e41da99a10d6407621f052

memory/1496-14-0x0000000140000000-0x0000000140046000-memory.dmp

memory/3052-16-0x00007FFCC8C50000-0x00007FFCC9711000-memory.dmp

memory/940-17-0x00007FFCC8C50000-0x00007FFCC9711000-memory.dmp

memory/3052-18-0x00007FFCC8C50000-0x00007FFCC9711000-memory.dmp

memory/3052-25-0x0000022C6FD90000-0x0000022C6FDB2000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kidujzfo.odp.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/3052-31-0x00007FFCC8C50000-0x00007FFCC9711000-memory.dmp

memory/1496-32-0x000001FAE0FB0000-0x000001FAE1172000-memory.dmp

memory/1496-33-0x000001FAE0AF0000-0x000001FAE0B40000-memory.dmp