Analysis
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max time kernel
131s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
20-11-2024 08:32
General
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Target
Request for Quotation MK FMHS.RFQ.24.11.20.bat.exe
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Size
769KB
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MD5
7b5985233faf11890e9cf4c7b579983b
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SHA1
cb2f20ad79ea7d8a1758ac2ae90a1c6d7f47e784
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SHA256
5cce0ced936e5d9c13d6a4a8a3c149371c92236eb4c465e0e422142946509cea
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SHA512
bb8dd656ebf8a7c3c1a2abb86d10e0647e6c84f5d090ec8725fca504691f517c8b5776e2305bf041551e3d311ecd5797371a9c2cf77714ee8ac03b477b42cd0b
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SSDEEP
12288:nrOm+Ri3AgFdiFJ02txMwyv75ykUeobZ+G8uRGYK9dQLtVd+8hbi7E078mDX:SQ3AgQJHtxzPkrob827UQr/QE078mDX
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.contfly.pt - Port:
587 - Username:
[email protected] - Password:
Transportes2022* - 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 10 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.24.11.20.bat.exe"C:\Users\Admin\AppData\Local\Temp\Request for Quotation MK FMHS.RFQ.24.11.20.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.24.11.20.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\jnqeRRexnD.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\jnqeRRexnD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC553.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.24.11.20.bat.exe"C:\Users\Admin\AppData\Local\Temp\Request for Quotation MK FMHS.RFQ.24.11.20.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
MD5334a2a0f7414ddabcadb09c07ee3e7d4
SHA1f754087fed1e41e1317c3b9f1c5c06799afdabe8
SHA256298c6b4cb896114a7c3c6b30f25d630782e024f2fa0a5239a6eac96666e38cb0
SHA512bdaf7a56adee011095b98e2c922632dc5f0045cfaf5c0ffea1f2d6ef3f8ff9ba3eeb60f4fca872428fde79e63da7ac0b6f77d378539f75879742bb1d38973d01
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD53ce0f3a2a28a9fed8134d346c3b56d03
SHA1a76f854e7630f08e3f574312ce8f72697dade574
SHA256a90bba82a48eac8a8188db634b3cdb19161960e0ff5046924a641e95e0228cc2
SHA51240883c36c38e0f3d3ad4ad64efaaa010cde2e98708beceff984adce85fab19768a14e4d7067d88662e9961b2a34735d54aea0b35f03b97e77eb4ab5027629f54
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Filesize
320KB
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Filesize
1.8MB
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Filesize
288KB
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Filesize
600KB
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Filesize
56KB
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Filesize
304KB
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Filesize
68KB
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Filesize
304KB
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Filesize
120KB
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Filesize
7.7MB
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Filesize
6.2MB
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Filesize
7.7MB
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Filesize
104KB
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Filesize
7.7MB
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Filesize
32KB
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Filesize
40KB
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Filesize
4KB
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Filesize
7.7MB
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Filesize
72KB
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Filesize
584KB
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Filesize
624KB
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Filesize
7.7MB
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Filesize
5.6MB
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Filesize
792KB
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Filesize
568KB
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Filesize
7.7MB
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Filesize
4KB
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Filesize
3.3MB
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Filesize
200KB
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Filesize
6.5MB
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Filesize
652KB
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Filesize
40KB
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Filesize
304KB
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Filesize
120KB
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Filesize
7.7MB
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Filesize
80KB
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Filesize
104KB
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Filesize
408KB
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Filesize
408KB
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Filesize
7.7MB
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Filesize
136KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
216KB