Analysis
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max time kernel
134s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
29/08/2024, 03:23
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe
Resource
win10v2004-20240802-en
General
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Target
SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe
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Size
698KB
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MD5
a9c460a020b9b80a360ed5f0d23f12a1
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SHA1
a2686effa4cee1d638d780c4e33d3626f7821fe3
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SHA256
7af98634dd9d2f4b3a52ee5651fabf2bd1215d7a79109fc4e0ff9095119944b3
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SHA512
e9e1bc642275598851af83c4d8fe1e2e0aec66561517f5507bf69b73085d36c8b25f15e70df796d5e8e5a14f6dbb65db18a8f974003f8163062a098a9f31e658
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SSDEEP
12288:LVVnSIwjGnYdHTpvc4OUOpmJzerz1cVX36xjNGSqWp7HP:vVjYdzpvc4OULgz1cVn6xM8pjP
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
eJd^qMc2 - Email To:
[email protected]
Signatures
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VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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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 3636 powershell.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" REG.exe -
Disables Task Manager via registry modification
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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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe Key opened \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe Key opened \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 22 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 408 set thread context of 1508 408 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe 98 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 2444 1508 WerFault.exe 98 -
System Location Discovery: System Language Discovery 1 TTPs 4 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 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language REG.exe -
Modifies registry key 1 TTPs 1 IoCs
pid Process 4316 REG.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 408 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe 408 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe 408 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe 408 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe 1508 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe 3636 powershell.exe 3636 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 408 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe Token: SeDebugPrivilege 1508 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe Token: SeDebugPrivilege 3636 powershell.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 408 wrote to memory of 3636 408 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe 95 PID 408 wrote to memory of 3636 408 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe 95 PID 408 wrote to memory of 3636 408 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe 95 PID 408 wrote to memory of 4520 408 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe 97 PID 408 wrote to memory of 4520 408 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe 97 PID 408 wrote to memory of 4520 408 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe 97 PID 408 wrote to memory of 1508 408 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe 98 PID 408 wrote to memory of 1508 408 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe 98 PID 408 wrote to memory of 1508 408 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe 98 PID 408 wrote to memory of 1508 408 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe 98 PID 408 wrote to memory of 1508 408 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe 98 PID 408 wrote to memory of 1508 408 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe 98 PID 408 wrote to memory of 1508 408 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe 98 PID 408 wrote to memory of 1508 408 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe 98 PID 1508 wrote to memory of 4316 1508 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe 99 PID 1508 wrote to memory of 4316 1508 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe 99 PID 1508 wrote to memory of 4316 1508 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe 99 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.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:408 -
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\SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3636
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe"2⤵PID:4520
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.3036.13101.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1508 -
C:\Windows\SysWOW64\REG.exeREG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableRegistryTools /t REG_DWORD /d 1 /f3⤵
- Disables RegEdit via registry modification
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:4316
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1508 -s 19563⤵
- Program crash
PID:2444
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1508 -ip 15081⤵PID:2460
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
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82