masslogger | c6a42e14c36c380762a8073f3cb76eaaed22afc713a0561a79aec5e5abef021e

Analysis

max time kernel
146s
max time network
110s
platform
windows11-21h2_x64
resource
win11-20250905-en
resource tags

arch:x64arch:x86image:win11-20250905-enlocale:en-usos:windows11-21h2-x64system
submitted
07/10/2025, 14:28

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General

Target
rck99430.VBE.vbe
Size 543KB
Sample251007-rtg8nsxqt4
SHA256 c6a42e14c36c380762a8073f3cb76eaaed22afc713a0561a79aec5e5abef021e
MD5 b241876a2888d426e31b00107306e982
SHA1 ee7a1078d9341393c66bc6dc0f86a20e090205fa
SHA512 769dfc12c8a20ad44f9036e85441985fbf6bb331cefc9b0bc29710199d429d55444612c67bffd4ed0e400a2054fbc8508f7e4b647ff6694b7c59d19fcb9a82d6
SSDEEP 12288:YfFPZhpALxZgbDrtYvV0n00NuOgSXUoLcH/Qwo5T:eMLxZgb3tYvVeNuOjUEcfch
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

collection discovery execution masslogger spyware stealer

Malware Config

Extracted

Family

masslogger

Attributes

exfiltration_mode
#SMTPEnabled
expire_time_date
2025-05-04
host_password
UW$fD9cN{/1%Fk%{
host_port
587
host_receiver
[email protected]
host_sender
[email protected]
host_server
mail.miniorangeman.com
ssl_slate
True

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2904	powershell.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2910617350-3280892089-2510284752-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe
Key opened	\REGISTRY\USER\S-1-5-21-2910617350-3280892089-2510284752-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe
Key opened	\REGISTRY\USER\S-1-5-21-2910617350-3280892089-2510284752-1000\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
3	reallyfreegeoip.org
4	reallyfreegeoip.org
1	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2904 set thread context of 1424	2904	powershell.exe	85

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

System Information Discovery
T1082

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 43 IoCs

pid	Process
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
1424	aspnet_compiler.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2904	powershell.exe
Token: SeDebugPrivilege	1424	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 2904	2936	WScript.exe	78
PID 2936 wrote to memory of 2904	2936	WScript.exe	78
PID 2904 wrote to memory of 2612	2904	powershell.exe	80
PID 2904 wrote to memory of 2612	2904	powershell.exe	80
PID 2904 wrote to memory of 2612	2904	powershell.exe	80
PID 2904 wrote to memory of 872	2904	powershell.exe	81
PID 2904 wrote to memory of 872	2904	powershell.exe	81
PID 2904 wrote to memory of 872	2904	powershell.exe	81
PID 2904 wrote to memory of 3872	2904	powershell.exe	82
PID 2904 wrote to memory of 3872	2904	powershell.exe	82
PID 2904 wrote to memory of 3872	2904	powershell.exe	82
PID 2904 wrote to memory of 1668	2904	powershell.exe	83
PID 2904 wrote to memory of 1668	2904	powershell.exe	83
PID 2904 wrote to memory of 1668	2904	powershell.exe	83
PID 2904 wrote to memory of 3156	2904	powershell.exe	84
PID 2904 wrote to memory of 3156	2904	powershell.exe	84
PID 2904 wrote to memory of 3156	2904	powershell.exe	84
PID 2904 wrote to memory of 1424	2904	powershell.exe	85
PID 2904 wrote to memory of 1424	2904	powershell.exe	85
PID 2904 wrote to memory of 1424	2904	powershell.exe	85
PID 2904 wrote to memory of 1424	2904	powershell.exe	85
PID 2904 wrote to memory of 1424	2904	powershell.exe	85
PID 2904 wrote to memory of 1424	2904	powershell.exe	85
PID 2904 wrote to memory of 1424	2904	powershell.exe	85
PID 2904 wrote to memory of 1424	2904	powershell.exe	85

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2910617350-3280892089-2510284752-1000\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-1-5-21-2910617350-3280892089-2510284752-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\rck99430.VBE.vbe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2936
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -NoProfile -WindowStyle Hidden -File "C:\Temp\5PW789345OGL_5.21413E+07.ps1"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2904
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:2612
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:872
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:3872
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:1668
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:3156
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:1424

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 Information Discovery

T1082

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

5PW789345OGL_5.21413E+07.ps1

Path C:\Temp\5PW789345OGL_5.21413E+07.ps1
Size 805KB
SHA256 1ea25c9122af722d0ba9eccbf1a4cd9c07509d9ee20273312886f8477b28341b
MD5 c21d8f00003ae7d882181141d128192a
SHA1 5b0dcfbd596735e4bd2a39af5979f7854c1bbba6
SHA512 fa09fde84b3b505c32ecc4badb12f8115a89da2b066008953063beef7b2103a9dfef02c899dc2a6cffd3b1cde90a73f2a9bc4af88318add7b5378dbf2a69d9c9
SSDEEP 12288:CCpDKKrm1x2D8fnH5zvgAtY20qJPWoebiV4x0blynBXUwOaI+Qy+X+:X/2SEyx6TjX+
MD5 SHA1 SHA512 SSDEEP

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__PSScriptPolicyTest_ehdzzq3c.cvy.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ehdzzq3c.cvy.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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memory/1424-17-0x0000000005290000-0x000000000532C000-memory.dmp

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memory/1424-24-0x0000000006540000-0x000000000654A000-memory.dmp

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memory/1424-23-0x00000000066C0000-0x0000000006882000-memory.dmp

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memory/1424-19-0x0000000006300000-0x0000000006350000-memory.dmp

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memory/1424-18-0x0000000006350000-0x00000000063E2000-memory.dmp

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memory/1424-15-0x0000000000400000-0x000000000041C000-memory.dmp

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memory/1424-16-0x0000000005900000-0x0000000005EA6000-memory.dmp

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memory/2904-12-0x00000259EA610000-0x00000259EA620000-memory.dmp

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memory/2904-14-0x00000259D0940000-0x00000259D094E000-memory.dmp

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memory/2904-2-0x00000259EA610000-0x00000259EA620000-memory.dmp

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memory/2904-20-0x00000259EA610000-0x00000259EA620000-memory.dmp

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memory/2904-21-0x00000259EA610000-0x00000259EA620000-memory.dmp

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memory/2904-22-0x00000259EA610000-0x00000259EA620000-memory.dmp

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memory/2904-3-0x00000259D0A40000-0x00000259D0A62000-memory.dmp

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memory/2904-1-0x00000259EA610000-0x00000259EA620000-memory.dmp

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