Analysis
- max time kernel
147s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
20/08/2024, 11:03
Static task
static1
Behavioral task
behavioral1
Sample
Potvrda.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
Potvrda.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
Potvrda.exe
Resource
win11-20240802-en
General
- Target Potvrda.exe
- Size 646KB
- Sample240820-m5srbsxgra
- SHA256 5a83612951037202043aca608915706396f3253433393ec0589999b1ccd16acd
- MD5 d99da007ef029c7095f13fa6afb4354b
- SHA1 861a6fe8b6700939140e01d8942f49e5910f6b23
- SHA512 2eb29eaffefe37893a515f80fc5cd8688fa7e02057ecc7029073aaf278f071f4f0752cb5a0848222a2002559d24edf7f1b675c90a4d12d3717935f5cdcc14ba2
- SSDEEP 12288:LaHiMd6OdKEari+FjzES4Do/leUvE+gEI7veLGxSSxtkR:WHH6h1O2XES4sMp+5I76ISSy
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
lokibot
-
http://104.248.205.66/index.php/modify?file=1
-
http://kbfvzoboss.bid/alien/fre.php
-
http://alphastand.trade/alien/fre.php
-
http://alphastand.win/alien/fre.php
-
http://alphastand.top/alien/fre.php
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 to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 4664 powershell.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation Potvrda.exe - Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook RegSvcs.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2480 set thread context of 3208 2480 Potvrda.exe 92 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Potvrda.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2480 Potvrda.exe 2480 Potvrda.exe 4664 powershell.exe 4664 powershell.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2480 Potvrda.exe Token: SeDebugPrivilege 4664 powershell.exe Token: SeDebugPrivilege 3208 RegSvcs.exe - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2480 wrote to memory of 4664 2480 Potvrda.exe 90 PID 2480 wrote to memory of 4664 2480 Potvrda.exe 90 PID 2480 wrote to memory of 4664 2480 Potvrda.exe 90 PID 2480 wrote to memory of 3208 2480 Potvrda.exe 92 PID 2480 wrote to memory of 3208 2480 Potvrda.exe 92 PID 2480 wrote to memory of 3208 2480 Potvrda.exe 92 PID 2480 wrote to memory of 3208 2480 Potvrda.exe 92 PID 2480 wrote to memory of 3208 2480 Potvrda.exe 92 PID 2480 wrote to memory of 3208 2480 Potvrda.exe 92 PID 2480 wrote to memory of 3208 2480 Potvrda.exe 92 PID 2480 wrote to memory of 3208 2480 Potvrda.exe 92 PID 2480 wrote to memory of 3208 2480 Potvrda.exe 92 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook RegSvcs.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Potvrda.exe"C:\Users\Admin\AppData\Local\Temp\Potvrda.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2480 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Potvrda.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4664
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3208
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_awse2ucu.szj.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-523280732-2327480845-3730041215-1000\0f5007522459c86e95ffcc62f32308f1_a5c5e2ae-85e3-447c-9e0b-c9a7b966d823
- Size 46B
- SHA256 878f32f76b159494f5a39f9321616c6068cdb82e88df89bcc739bbc1ea78e1f9
- MD5 d898504a722bff1524134c6ab6a5eaa5
- SHA1 e0fdc90c2ca2a0219c99d2758e68c18875a3e11e
- SHA512 26a4398bffb0c0aef9a6ec53cd3367a2d0abf2f70097f711bbbf1e9e32fd9f1a72121691bb6a39eeb55d596edd527934e541b4defb3b1426b1d1a6429804dc61
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-523280732-2327480845-3730041215-1000\0f5007522459c86e95ffcc62f32308f1_a5c5e2ae-85e3-447c-9e0b-c9a7b966d823
- Size 46B
- SHA256 8c136c7ae08020ad16fd1928e36ad335ddef8b85906d66b712fff049aa57dc9a
- MD5 c07225d4e7d01d31042965f048728a0a
- SHA1 69d70b340fd9f44c89adb9a2278df84faa9906b7
- SHA512 23d3cea738e1abf561320847c39dadc8b5794d7bd8761b0457956f827a17ad2556118b909a3e6929db79980ccf156a6f58ac823cf88329e62417d2807b34b64b
- MD5 SHA1 SHA512