Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
30/10/2024, 13:11
General
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Target
Factura Honorarios 2024-10.exe
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Size
972KB
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MD5
43a7d0b4c9aefb5dd8c1fbfad057b4b9
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SHA1
abcfcabf7f909fc140e8e00bfaeea404e23fca76
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SHA256
edf915e141af931f3bf0174a430576b7f7493449bdb1a4275515d0fe0a24fd8c
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SHA512
b4dc0386695b44859676f3c56f8712c4df27cdf1adf997993467cf2b73067fae64d503b496ebed74db386524f242e34e119c6f49352fa13b9871caa5a6c69845
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SSDEEP
24576:ynE9WTwAbnGY2rzGct2YBD9w254CQ+K1Q:yEqSfrzGctTDOBCL
Malware Config
Extracted
vipkeylogger
https://api.telegram.org/bot7807279596:AAEZM1QwkCh738-y0Qmnc3ubaoLMl6bUCVw/sendMessage?chat_id=7267131103
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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Loads dropped DLL 1 IoCs
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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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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 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 NtCreateThreadExHideFromDebugger 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
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Suspicious use of SetThreadContext 1 IoCs
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Drops file in Windows directory 2 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 2 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 2 IoCs
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Suspicious behavior: MapViewOfSection 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 5 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\Factura Honorarios 2024-10.exe"C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-10.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-10.exe"C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-10.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- 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
11KB
MD5fc90dfb694d0e17b013d6f818bce41b0
SHA13243969886d640af3bfa442728b9f0dff9d5f5b0
SHA2567fe77ca13121a113c59630a3dba0c8aaa6372e8082393274da8f8608c4ce4528
SHA512324f13aa7a33c6408e2a57c3484d1691ecee7c3c1366de2bb8978c8dc66b18425d8cab5a32d1702c13c43703e36148a022263de7166afdce141da2b01169f1c6
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Filesize
1.1MB
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Filesize
4KB
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Filesize
1.1MB
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Filesize
4KB
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Filesize
4KB
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Filesize
18.3MB
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Filesize
1.1MB
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Filesize
18.3MB
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Filesize
4KB
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Filesize
288KB
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Filesize
5.6MB
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Filesize
624KB
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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
1.8MB
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Filesize
320KB
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Filesize
584KB
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Filesize
40KB