Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
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submitted
11-02-2025 07:01
General
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Target
Factura proforma.exe
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Size
745KB
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MD5
8dc8cf246524b17d39192ce55775a432
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SHA1
26b08499349f01da7d19e237faee557896d55960
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SHA256
b9b1c8acdc64f654a3d8c2720782e6be9e7e4705f51649dae046324373e698db
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SHA512
02911c4024625a952def92c19cd60cf6aa41ff910d18a2069f07bb784d11a0f72b93074c5e9ad3ce541e89e7534d6066e9eb21b04d17731e28359a006fa8910b
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SSDEEP
12288:QnPdlJ6taLIKHLrNEVDGmWM4yEImuD+PrbxXD1MX2nxf/1mXi+e4bDvEye9HBr3:4PdlJ6tSTHAWMfRDED1MSrMi+xnMyo
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.grupobdb.com - Port:
587 - Username:
[email protected] - Password:
gsn224v - Email To:
[email protected]
Signatures
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Guloader family
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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
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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 2 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 3 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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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 4 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 proforma.exe"C:\Users\Admin\AppData\Local\Temp\Factura proforma.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Factura proforma.exe"C:\Users\Admin\AppData\Local\Temp\Factura proforma.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
12KB
MD54add245d4ba34b04f213409bfe504c07
SHA1ef756d6581d70e87d58cc4982e3f4d18e0ea5b09
SHA2569111099efe9d5c9b391dc132b2faf0a3851a760d4106d5368e30ac744eb42706
SHA5121bd260cabe5ea3cefbbc675162f30092ab157893510f45a1b571489e03ebb2903c55f64f89812754d3fe03c8f10012b8078d1261a7e73ac1f87c82f714bce03d
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Filesize
10.6MB
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Filesize
40KB
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Filesize
18.3MB
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Filesize
10.6MB
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Filesize
10.6MB
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Filesize
4KB
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Filesize
4KB
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Filesize
10.6MB
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Filesize
18.3MB
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Filesize
4KB
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Filesize
584KB
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Filesize
320KB
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Filesize
1.1MB
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Filesize
296KB
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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
1.1MB
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Filesize
4KB
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Filesize
10.6MB