Analysis
- max time kernel
150s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
- submitted
26/07/2024, 04:22
General
- Target 893b893178434a4273089c619b1acaefab661c6d647d832a6375fb53e2753669.exe
- Size 853KB
- Sample240726-ezezaayhqh
- SHA256 893b893178434a4273089c619b1acaefab661c6d647d832a6375fb53e2753669
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.privateemail.com
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Port
587
-
Username
-
Password
9Lhb3)$OQ.km
Signatures
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
- Loads dropped DLL 1 IoCs
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Drops file in System32 directory 1 IoCs
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- 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 11 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\893b893178434a4273089c619b1acaefab661c6d647d832a6375fb53e2753669.exe"C:\Users\Admin\AppData\Local\Temp\893b893178434a4273089c619b1acaefab661c6d647d832a6375fb53e2753669.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -windowstyle hidden "$topstillingens=Get-Content 'C:\Users\Admin\AppData\Local\Temp\forgrovelse\konstituerendes\Ropeband.San';$Nedbringers=$topstillingens.SubString(29905,3);.$Nedbringers($topstillingens) "2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Masculinity.exe"C:\Users\Admin\AppData\Local\Temp\Masculinity.exe"3⤵
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- 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 v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
Masculinity.exe
__PSScriptPolicyTest_p3vqsi32.tdn.ps1
Krnemlk.Cig255
Ropeband.San
memory/3876-65-0x0000000020A60000-0x0000000020A6A000-memory.dmp
memory/3876-64-0x00000000209A0000-0x0000000020A32000-memory.dmp
memory/3876-60-0x0000000023DF0000-0x000000002431C000-memory.dmp
memory/3876-59-0x0000000023D20000-0x0000000023D70000-memory.dmp
memory/3876-58-0x0000000023B40000-0x0000000023D02000-memory.dmp
memory/3876-55-0x0000000023410000-0x00000000234AC000-memory.dmp
memory/3876-54-0x00000000004A0000-0x00000000004EA000-memory.dmp
memory/3876-52-0x00000000004A0000-0x00000000016F4000-memory.dmp
memory/4280-32-0x0000000073710000-0x0000000073EC0000-memory.dmp
memory/4280-40-0x0000000073710000-0x0000000073EC0000-memory.dmp
memory/4280-27-0x0000000006B90000-0x0000000006BB2000-memory.dmp
memory/4280-28-0x0000000007C20000-0x00000000081C4000-memory.dmp
memory/4280-25-0x00000000075D0000-0x0000000007666000-memory.dmp
memory/4280-30-0x0000000008850000-0x0000000008ECA000-memory.dmp
memory/4280-5-0x000000007371E000-0x000000007371F000-memory.dmp
memory/4280-33-0x0000000073710000-0x0000000073EC0000-memory.dmp
memory/4280-34-0x0000000073710000-0x0000000073EC0000-memory.dmp
memory/4280-24-0x00000000066C0000-0x000000000670C000-memory.dmp
memory/4280-36-0x0000000073710000-0x0000000073EC0000-memory.dmp
memory/4280-38-0x0000000073710000-0x0000000073EC0000-memory.dmp
memory/4280-37-0x0000000008ED0000-0x000000000C104000-memory.dmp
memory/4280-26-0x0000000006B40000-0x0000000006B5A000-memory.dmp
memory/4280-39-0x000000007371E000-0x000000007371F000-memory.dmp
memory/4280-42-0x0000000073710000-0x0000000073EC0000-memory.dmp
memory/4280-23-0x0000000005370000-0x000000000538E000-memory.dmp
memory/4280-22-0x0000000006150000-0x00000000064A4000-memory.dmp
memory/4280-53-0x0000000073710000-0x0000000073EC0000-memory.dmp
memory/4280-21-0x00000000060E0000-0x0000000006146000-memory.dmp
memory/4280-17-0x0000000006070000-0x00000000060D6000-memory.dmp
memory/4280-15-0x0000000005ED0000-0x0000000005EF2000-memory.dmp
memory/4280-9-0x0000000073710000-0x0000000073EC0000-memory.dmp
memory/4280-8-0x0000000073710000-0x0000000073EC0000-memory.dmp
memory/4280-7-0x0000000005730000-0x0000000005D58000-memory.dmp
memory/4280-6-0x0000000005090000-0x00000000050C6000-memory.dmp