Analysis
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max time kernel
148s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
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submitted
17-02-2025 22:00
General
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Target
rJustificante67.exe
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Size
1001KB
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MD5
96bc48e7cc38d731e7e2c25f3f80a88e
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SHA1
bd30afd2f438928b3cb98d9f74766f1e401db091
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SHA256
79714172680d9fd5b1d49fc518abe9cef9200194a04b6611466beccb28c31728
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SHA512
7d71064359f17cae6128db87fdc9a743368b441310d5118734e0ba2a44f5673aeb0f93ea129faa51c6f61f36f135a38f2d90dc550708e87bec67131e4011f908
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SSDEEP
24576:IGLEfEEQyQpBGB59WIMJfEKwqQnc9V4+QA3plULISW1D:1+3isWppTBEk3AAD
Malware Config
Extracted
vipkeylogger
https://api.telegram.org/bot7809339088:AAEUtMa_u0dd_zBfAWh2Ah2az4h6hNs_Wg0/sendMessage?chat_id=7618581100
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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Drops file in System32 directory 1 IoCs
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Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
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Drops file in Program Files directory 1 IoCs
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Drops file in Windows directory 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 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\rJustificante67.exe"C:\Users\Admin\AppData\Local\Temp\rJustificante67.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- 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\rJustificante67.exe"C:\Users\Admin\AppData\Local\Temp\rJustificante67.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
1KB
MD5b42775717ee4fd224b144c6ca553d650
SHA14723b32c4225dd5eb4c838c1d2b8b856ef79bde5
SHA25670244f8aa79313a9fb1205e1f769790a1ad24954b04b65ec8a5a489acb9f4ddd
SHA512ce4f9d51c16e9e800d06782afc9637e0af3ba8b622b95a182acf9c7ad50d82eb7a42413464627208b7e29bd7046bdc3a1a8e88607e6d2c016cc95b1fb096cef5
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Filesize
11KB
MD5b853d5d2361ade731e33e882707efc34
SHA1c58b1aeabdf1cbb8334ef8797e7aceaa7a1cb6be
SHA256f0cd96e0b6e40f92ad1aa0efacde833bae807b92fca19bf062c1cf8acf29484b
SHA5128ea31d82ffa6f58dab5632fe72690d3a6db0be65aec85fc8a1f71626773c0974dcebefae17bcf67c4c56ef442545e985eea0b348ff6e4fc36740640092b08d69
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Filesize
4KB
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Filesize
5.2MB
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Filesize
584KB
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Filesize
14.5MB
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Filesize
14.5MB
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Filesize
4KB
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Filesize
4KB
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Filesize
14.5MB
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Filesize
1.1MB
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Filesize
14.5MB
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Filesize
40KB
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Filesize
18.3MB
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Filesize
5.6MB
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Filesize
288KB
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Filesize
1.1MB
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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
1.1MB
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Filesize
4KB
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Filesize
14.5MB