Analysis
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max time kernel
127s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system -
submitted
30-01-2025 03:46
Static task
static1
Behavioral task
behavioral1
Sample
ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe
Resource
win10v2004-20250129-en
General
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Target
ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe
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Size
829KB
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MD5
67ac014a244d792327eb72da981e9039
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SHA1
eabcb5df5f257ef95d771c5712282566669851e0
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SHA256
ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c
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SHA512
0f68f11ca91eb49c9b4d9c0f9e36111cd7c4358d2094835a145bf85a2baeaa882e5e4f1852839ee9dac75735a8205d16e42fc530ea65b095b0cc73b010e35101
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SSDEEP
12288:pTmTJhliReYOTJ+TkzNql2bAHG0Ic2tukCEY6Nzub/1SBaDT6x+Krb/04L1d+mjg:4baeYiECW2j02rQbVTorz0i1LiNGoyg
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.covid19support.top - Port:
587 - Username:
[email protected] - Password:
7213575aceACE@@ - 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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Vipkeylogger family
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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 3288 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-1-5-21-2089655958-977706906-1981639424-1000\Control Panel\International\Geo\Nation ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.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 3 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-1-5-21-2089655958-977706906-1981639424-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe Key opened \REGISTRY\USER\S-1-5-21-2089655958-977706906-1981639424-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe Key opened \REGISTRY\USER\S-1-5-21-2089655958-977706906-1981639424-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 14 reallyfreegeoip.org 15 reallyfreegeoip.org 12 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2960 set thread context of 3292 2960 ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe 87 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3292 ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe 3288 powershell.exe 3288 powershell.exe 3292 ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3292 ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe Token: SeDebugPrivilege 3288 powershell.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2960 wrote to memory of 3288 2960 ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe 85 PID 2960 wrote to memory of 3288 2960 ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe 85 PID 2960 wrote to memory of 3288 2960 ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe 85 PID 2960 wrote to memory of 3292 2960 ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe 87 PID 2960 wrote to memory of 3292 2960 ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe 87 PID 2960 wrote to memory of 3292 2960 ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe 87 PID 2960 wrote to memory of 3292 2960 ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe 87 PID 2960 wrote to memory of 3292 2960 ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe 87 PID 2960 wrote to memory of 3292 2960 ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe 87 PID 2960 wrote to memory of 3292 2960 ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe 87 PID 2960 wrote to memory of 3292 2960 ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe 87 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2089655958-977706906-1981639424-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2089655958-977706906-1981639424-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe"C:\Users\Admin\AppData\Local\Temp\ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2960 -
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\ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3288
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C:\Users\Admin\AppData\Local\Temp\ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe"C:\Users\Admin\AppData\Local\Temp\ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3292
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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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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe.log
Filesize1KB
MD57cad59aef5a93f093b6ba494f13f796f
SHA13cef97b77939bfc06dfd3946fc1a8cd159f67100
SHA2561e1b444fe2d8772f6709b22b94bb5b0aa7fa590f6a693705d9bf1f2f71267a55
SHA5128cedd03efec34c6226a01fd6b4831a689be16545ea6b849cd96f775e0722bfefd4b47f3dd8401d2080d341d4319f75995ece60de44352a1f86a2e5dc01e6210b
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82