Analysis
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max time kernel
129s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
21-11-2024 11:21
General
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Target
Request for Quotation MK FMHS.RFQ.24.11.21.bat.exe
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Size
994KB
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MD5
1ae7a890014eba9c807c6adeabac7671
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SHA1
e3b92645849a3e064d9fc401badf115dab013839
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SHA256
bba1825bd893328442cb891a35420a5da41a5431d1ade643f085c5992e763d3a
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SHA512
3a54469caeb4052cb4b842b30292e5ae00c9bf2a29f0d293d975d7bd0283d657c2fb4c9fd0df0797782eda78474a9eab5f8fa6d1ff66ceaf59f00e128fbab2d7
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SSDEEP
24576:Yij0gzjizxWgioJqE9p9jzOtXGnwaEalbcHNGtAlUDRL:1zjkW2H9p9PmXMOHNzUDB
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.catanhoinvestments.com - Port:
587 - Username:
[email protected] - Password:
RPgi34L1yoc - 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 2 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 5 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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Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 8 IoCs
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Suspicious use of AdjustPrivilegeToken 4 IoCs
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Suspicious use of WriteProcessMemory 17 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\Request for Quotation MK FMHS.RFQ.24.11.21.bat.exe"C:\Users\Admin\AppData\Local\Temp\Request for Quotation MK FMHS.RFQ.24.11.21.bat.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
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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\Request for Quotation MK FMHS.RFQ.24.11.21.bat.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:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NuDUTBObHpKADz.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:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NuDUTBObHpKADz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE678.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Local\Temp\Request for Quotation MK FMHS.RFQ.24.11.21.bat.exe"C:\Users\Admin\AppData\Local\Temp\Request for Quotation MK FMHS.RFQ.24.11.21.bat.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
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential 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
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD55de05b13384927ff2659f5fe35e83a6e
SHA16b41deb836c5d8d671e9439861c8ec45e3bfb3aa
SHA2563348017d0e0d178ec8b4337ca672624fc5aa99d3f6d1d2817e31797024d399ab
SHA512064bd8d257e4e2935e85e2a737e44eb6fa3dac56fd02c89151cfd733dd9f793a27d2ff9f23454fd66964260f315b418366da272fa7cc5c04aa04685f4ca94ed6
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD562a1ced077e015c9101242754cefb665
SHA119c879dd9b44ad1db565a9623d302befa5b8731b
SHA256bf8fe4039a45f7eefc86f0e93beb8a90bf4f8fb3240228451c103ea0ed9a86aa
SHA5123770a6c5a115f94593f36ba28ca03bfddb88d24db8ef758d4be0f9c3b64652052bcff732cbe25a90001e5b9bac86074562b76991c098a4d5c6f6bcf02f6aeb9a
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Filesize
104KB
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Filesize
32KB
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Filesize
600KB
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Filesize
120KB
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Filesize
68KB
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Filesize
56KB
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Filesize
304KB
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Filesize
216KB
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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
7.7MB
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Filesize
7.7MB
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Filesize
584KB
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Filesize
5.6MB
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Filesize
7.7MB
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Filesize
40KB
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Filesize
568KB
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Filesize
1016KB
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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
4KB
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Filesize
72KB
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Filesize
624KB
-
Filesize
288KB
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Filesize
1.8MB
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Filesize
320KB
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Filesize
136KB
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Filesize
7.7MB
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Filesize
6.5MB
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Filesize
104KB
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Filesize
40KB
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Filesize
304KB
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Filesize
120KB
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Filesize
408KB
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Filesize
80KB
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Filesize
652KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
3.3MB
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Filesize
408KB
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Filesize
7.7MB
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Filesize
200KB
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Filesize
304KB