Analysis
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max time kernel
120s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
13-11-2024 07:02
General
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Target
blhbZrtqbLg6O1K.exe
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Size
699KB
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MD5
32317fa8ed09561ea6de5ee91c3a971d
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SHA1
a1dc40e480493d39a2335963e6d0f1e6bf9fea82
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SHA256
117f1bc3d9a04cc8bbc9b0f681745c480f6744ddebd5879e32a05e7c7b3c492f
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SHA512
49d43a2adaa04895025cba7810bcb6b980930e20307e5d8684c89b58e23e59639ded7e6a3396c54aa0475dd9f046de617f2cb16d7cf37263a1b643f7adf274c6
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SSDEEP
12288:gMyCGMZQ3C68gTcIeW0XS0v9q2nrGFBoK4cqDzcBFz8tcLwUjbc0Y7o:gMyQZF2T0XS0VHGFBoK4cq34Fotcdny
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.jhxkgroup.online - 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.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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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
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext 1 IoCs
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Browser Information Discovery 1 TTPs
Enumerate browser information.
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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.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 11 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\blhbZrtqbLg6O1K.exe"C:\Users\Admin\AppData\Local\Temp\blhbZrtqbLg6O1K.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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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\blhbZrtqbLg6O1K.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\blhbZrtqbLg6O1K.exe"C:\Users\Admin\AppData\Local\Temp\blhbZrtqbLg6O1K.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
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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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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
104KB
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Filesize
216KB
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Filesize
7.7MB
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Filesize
408KB
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Filesize
32KB
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Filesize
104KB
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Filesize
80KB
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Filesize
56KB
-
Filesize
68KB
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Filesize
600KB
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Filesize
408KB
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Filesize
40KB
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Filesize
6.5MB
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Filesize
304KB
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Filesize
6.2MB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
652KB
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Filesize
7.7MB
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Filesize
136KB
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Filesize
120KB
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Filesize
304KB
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Filesize
200KB
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Filesize
3.3MB
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Filesize
120KB
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Filesize
7.7MB
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Filesize
568KB
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Filesize
584KB
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Filesize
5.6MB
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Filesize
40KB
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Filesize
728KB
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Filesize
4KB
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Filesize
7.7MB
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Filesize
624KB
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Filesize
72KB
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Filesize
7.7MB
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Filesize
4KB
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Filesize
7.7MB
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Filesize
288KB
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Filesize
7.7MB
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Filesize
1.8MB
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Filesize
320KB
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Filesize
7.7MB
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Filesize
7.7MB