Analysis
- max time kernel
132s - max time network
133s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
08/10/2024, 10:43
Static task
static1
Behavioral task
behavioral1
Sample
u7vqmxbxIbxVBXn.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
u7vqmxbxIbxVBXn.exe
Resource
win10v2004-20241007-en
General
- Target u7vqmxbxIbxVBXn.exe
- Size 673KB
- Sample241008-msn8datbll
- SHA256 e82a67b020ca02403b8444cc5249ee827353082ee68a814a7c8053944e8b59b7
- MD5 5cce2f7bc1fd777f047c4b38e1112e49
- SHA1 e3476ecbbd1826b6f1ccdabb5b49e638171557a0
- SHA512 4cbb5dbc61902f6efad7dabd02f24a49d1a057e563323b3a20e7a7a07aec428c2bd00048cf0ff2106f3893d66f7638970177a01aaa049e7c93ce2e40a10671c0
- SSDEEP 12288:pef0P5dKS0Fa01L4YPTeDKSP/hHhGe5KyfTvJjkskkNMpxcQm3uUIDKjW/M:peKH8bCDtP/hHhGWTvFDkCMpl+uR8p
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.jhxkgroup.online
-
Port
587
-
Username
-
Password
7213575aceACE@@
Extracted
-
vipkeylogger
-
Protocol
smtp
-
Host
mail.jhxkgroup.online
-
Port
587
-
Username
-
Password
7213575aceACE@@
-
Email to
Signatures
- VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
- 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 1952 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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation u7vqmxbxIbxVBXn.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.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 u7vqmxbxIbxVBXn.exe Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 u7vqmxbxIbxVBXn.exe Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 u7vqmxbxIbxVBXn.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 15 checkip.dyndns.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2796 set thread context of 444 2796 u7vqmxbxIbxVBXn.exe 87 - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language u7vqmxbxIbxVBXn.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language u7vqmxbxIbxVBXn.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 444 u7vqmxbxIbxVBXn.exe 1952 powershell.exe 1952 powershell.exe 444 u7vqmxbxIbxVBXn.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 444 u7vqmxbxIbxVBXn.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 444 u7vqmxbxIbxVBXn.exe Token: SeDebugPrivilege 1952 powershell.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 444 u7vqmxbxIbxVBXn.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2796 wrote to memory of 1952 2796 u7vqmxbxIbxVBXn.exe 85 PID 2796 wrote to memory of 1952 2796 u7vqmxbxIbxVBXn.exe 85 PID 2796 wrote to memory of 1952 2796 u7vqmxbxIbxVBXn.exe 85 PID 2796 wrote to memory of 444 2796 u7vqmxbxIbxVBXn.exe 87 PID 2796 wrote to memory of 444 2796 u7vqmxbxIbxVBXn.exe 87 PID 2796 wrote to memory of 444 2796 u7vqmxbxIbxVBXn.exe 87 PID 2796 wrote to memory of 444 2796 u7vqmxbxIbxVBXn.exe 87 PID 2796 wrote to memory of 444 2796 u7vqmxbxIbxVBXn.exe 87 PID 2796 wrote to memory of 444 2796 u7vqmxbxIbxVBXn.exe 87 PID 2796 wrote to memory of 444 2796 u7vqmxbxIbxVBXn.exe 87 PID 2796 wrote to memory of 444 2796 u7vqmxbxIbxVBXn.exe 87 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 u7vqmxbxIbxVBXn.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 u7vqmxbxIbxVBXn.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\u7vqmxbxIbxVBXn.exe"C:\Users\Admin\AppData\Local\Temp\u7vqmxbxIbxVBXn.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2796 -
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\u7vqmxbxIbxVBXn.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1952
-
-
C:\Users\Admin\AppData\Local\Temp\u7vqmxbxIbxVBXn.exe"C:\Users\Admin\AppData\Local\Temp\u7vqmxbxIbxVBXn.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:444
-
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
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\u7vqmxbxIbxVBXn.exe.log
- Size 1KB
- SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
- MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
- SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
- SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3ylvanbc.mxd.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512