masslogger | be62dbc815e15b863b62fffacbe1b8b6f0d317e373979d7c4e42250c4672485f

Analysis

max time kernel
149s
max time network
145s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
09/07/2026, 20:01

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General

Target
stub.ps1
Size 482KB
Sample260709-yrllmsh12x
SHA256 be62dbc815e15b863b62fffacbe1b8b6f0d317e373979d7c4e42250c4672485f
MD5 49e75722bc47d9d166363932b10e674c
SHA1 319dd31702b52161642d865b14d49f48994990d7
SHA512 d742189ed0666c477283261cfbcbd925256fbd81b5b07c461585f262ea397b1fbd1762ede48f94cd04c90a6fa8c5a8e0f9d5b5d95ed313c93d8614fbe0b73401
SSDEEP 12288:2vU4aZiduOCH5Vc9/U6bh92sv4y+3ZmkUyRbgD29L5G1:2vUFVH5y9/RSsvI3Zmr6G1
TLSH
T11FB42322BF5E5D7B6F84FF2412BBAF72838058028052F8D5F6B59146A3EFF818551C58
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

collection discovery execution masslogger spyware stealer

Malware Config

Extracted

Family

masslogger

Attributes

exfiltration_mode
#SMTPEnabled
expire_time_date
00-00-0000
host_password
jj*239U0k
host_port
25
host_receiver
[email protected]
host_sender
[email protected]
host_server
manguerasyarticulos.com
ssl_slate
False

Signatures

Family: MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
stealer spyware masslogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1014449518-1831897916-4205727055-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe
Key opened	\REGISTRY\USER\S-1-5-21-1014449518-1831897916-4205727055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe
Key opened	\REGISTRY\USER\S-1-5-21-1014449518-1831897916-4205727055-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
1	checkip.dyndns.org
1	reallyfreegeoip.org
4	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3476 set thread context of 3440	3476	PowerShell.exe	93

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3476	PowerShell.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aspnet_compiler.exe

Suspicious behavior: EnumeratesProcesses 42 IoCs

pid	Process
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3440	aspnet_compiler.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe
3476	PowerShell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3476	PowerShell.exe
Token: SeDebugPrivilege	3440	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3476 wrote to memory of 4424	3476	PowerShell.exe	88
PID 3476 wrote to memory of 2712	3476	PowerShell.exe	89
PID 3476 wrote to memory of 4832	3476	PowerShell.exe	90
PID 3476 wrote to memory of 2308	3476	PowerShell.exe	91
PID 3476 wrote to memory of 2564	3476	PowerShell.exe	92
PID 3476 wrote to memory of 3440	3476	PowerShell.exe	93
PID 3476 wrote to memory of 3440	3476	PowerShell.exe	93
PID 3476 wrote to memory of 3440	3476	PowerShell.exe	93
PID 3476 wrote to memory of 3440	3476	PowerShell.exe	93
PID 3476 wrote to memory of 3440	3476	PowerShell.exe	93

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1014449518-1831897916-4205727055-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1014449518-1831897916-4205727055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe

C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\stub.ps1
1⤵
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3476
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
  2⤵
  PID:4424
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
  2⤵
  PID:2712
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
  2⤵
  PID:4832
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
  2⤵
  PID:2308
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
  2⤵
  PID:2564
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3440

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/3440-17-0x0000000000400000-0x000000000041E000-memory.dmp

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memory/3440-29-0x00000000062E0000-0x00000000062EA000-memory.dmp

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memory/3440-28-0x0000000006310000-0x00000000063A2000-memory.dmp

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memory/3440-27-0x0000000074C00000-0x00000000753BC000-memory.dmp

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memory/3440-26-0x00000000063C0000-0x0000000006582000-memory.dmp

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memory/3440-24-0x00000000060A0000-0x00000000060F0000-memory.dmp

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memory/3440-22-0x0000000074C00000-0x00000000753BC000-memory.dmp

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memory/3440-20-0x00000000050B0000-0x000000000514C000-memory.dmp

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memory/3440-19-0x00000000055D0000-0x0000000005B8A000-memory.dmp

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memory/3440-18-0x0000000074C12000-0x0000000074C13000-memory.dmp

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memory/3476-8-0x00007FFEBFBE0000-0x00007FFEC0584000-memory.dmp

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memory/3476-21-0x00007FFEBFBE0000-0x00007FFEC0584000-memory.dmp

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memory/3476-14-0x00007FFEBFBE0000-0x00007FFEC0584000-memory.dmp

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memory/3476-15-0x0000023EEA8E0000-0x0000023EEA8F4000-memory.dmp

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memory/3476-16-0x0000023EEA980000-0x0000023EEA994000-memory.dmp

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memory/3476-12-0x00007FFEBFBE0000-0x00007FFEC0584000-memory.dmp

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memory/3476-11-0x00007FFEBFBE0000-0x00007FFEC0584000-memory.dmp

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memory/3476-10-0x00007FFEBFBE0000-0x00007FFEC0584000-memory.dmp

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memory/3476-9-0x00007FFEBFBE0000-0x00007FFEC0584000-memory.dmp

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memory/3476-13-0x00007FFEBFBE0000-0x00007FFEC0584000-memory.dmp

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memory/3476-0-0x00007FFEBFD6F000-0x00007FFEBFD70000-memory.dmp

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memory/3476-7-0x00007FFEBFBE0000-0x00007FFEC0584000-memory.dmp

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memory/3476-25-0x00007FFEBFBE0000-0x00007FFEC0584000-memory.dmp

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memory/3476-6-0x00007FFEBFBE0000-0x00007FFEC0584000-memory.dmp

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memory/3476-5-0x00007FFEBFBE0000-0x00007FFEC0584000-memory.dmp

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memory/3476-4-0x00007FFEBFBE0000-0x00007FFEC0584000-memory.dmp

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memory/3476-3-0x0000023EEA8F0000-0x0000023EEA912000-memory.dmp

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