MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4d981aa3766cb96492302bacd0f0211ca3c7134599db0c0293f3afe7e37507a6. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
VIPKeylogger
Vendor detections: 17
| SHA256 hash: | 4d981aa3766cb96492302bacd0f0211ca3c7134599db0c0293f3afe7e37507a6 |
|---|---|
| SHA3-384 hash: | a5586ae5c815148f2861d49e46df669e525e8fa5b675c975953d73758123eeda336c300670e4bdd8f57b45b4333c81db |
| SHA1 hash: | 07acc65df81cf73909167d587e4120820ecb060e |
| MD5 hash: | ac61d536ebef6757e2139543e09acdaa |
| humanhash: | papa-east-low-carbon |
| File name: | Pre Arrival Docs.exe |
| Download: | download sample |
| Signature | VIPKeylogger |
| File size: | 943'104 bytes |
| First seen: | 2025-02-24 08:24:44 UTC |
| Last seen: | 2025-03-10 11:38:00 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:dfiYfFMU5y1l9YBdEzZVJ32ELr8baOHgjLZLLlNzqUYfA3jYF2:YoQf9VJm+r8bwjL5L6Uo0 |
| TLSH | T1E215E150A3E94A94F9FE1B75883289140373BD2BBC32D71D029A74BA5B737D38922717 |
| TrID | 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10522/11/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.EXE) Win32 Executable (generic) (4504/4/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9) |
| Magika | pebin |
| dhash icon | 90a4642c8c818189 (2 x Formbook, 1 x VIPKeylogger) |
| Reporter |  lowmal3 |
| Tags: | exe VIPKeylogger |
Intelligence
File Origin
# of uploads :
2
# of downloads :
430
Origin country :
DEVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Pre Arrival Docs.exe
Verdict:
Malicious activity
Analysis date:
2025-02-24 08:34:27 UTC
Tags:
evasion snake keylogger telegram stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Tags:
dotnet micro smtp
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Creating a window
Launching a process
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
evasive obfuscated obfuscated obfuscated vbnet
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Result
Threat name:
DarkTortilla, Snake Keylogger, VIP Keylo
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
Tries to delay execution (extensive OutputDebugStringW loop)
Tries to detect the country of the analysis system (by using the IP)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected DarkTortilla Crypter
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Infostealer.Browsstl
Status:
Malicious
First seen:
2025-02-24 08:13:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
32
AV detection:
27 of 38 (71.05%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
vipkeylogger
Score:
10/10
Tags:
family:vipkeylogger collection discovery keylogger stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
VIPKeylogger
Vipkeylogger family
Malware Config
C2 Extraction:
https://api.telegram.org/bot7585694192:AAGLfsIW_RBiJFpsVE-aHUlOXlAUS1Hay0s/sendMessage?chat_id=6230067815
Verdict:
Suspicious
Tags:
404keylogger
YARA:
n/a
Unpacked files
SH256 hash:
4d981aa3766cb96492302bacd0f0211ca3c7134599db0c0293f3afe7e37507a6
MD5 hash:
ac61d536ebef6757e2139543e09acdaa
SHA1 hash:
07acc65df81cf73909167d587e4120820ecb060e
SH256 hash:
e4dab171b2403ce8da5e91bdc86df02689596205dfc44312ce991b38b185011d
MD5 hash:
e4f3a8cd997e3a861918c5ea33e0f545
SHA1 hash:
867cb41f9e5cacd802bdad392969690d9f136cc4
Detections:
win_404keylogger_g1
MAL_Envrial_Jan18_1
INDICATOR_SUSPICIOUS_Binary_References_Browsers
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
SH256 hash:
da4cb91d96214c7134a9e8799fdf241bd6b8103eecd4efb1b8c228ca3c8e7e91
MD5 hash:
9a06e083cd0531927dcd616b9b601ffa
SHA1 hash:
9584f7e1c8ab7be5900762abcaedf20cb92e4ae7
SH256 hash:
f52a5e61b81d351b7cf03d11dec650ef1ae67360920de8139c2d82f961e0be11
MD5 hash:
57ea940ffaf06b0c9766a62253e11eb7
SHA1 hash:
b39c382bc994da7904e4f8f124b21f0706dc0156
SH256 hash:
2cb5b8fbcd0994c8371837858c1f6dfe8e0de017e86437c7aee38d710209f10a
MD5 hash:
4f5880d558000b383fbb6efb21100997
SHA1 hash:
d2ceb9140d797b0f4db46a0a02c274e4fe89f349
Malware family:
VIPKeylogger
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
BLint
The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.
Findings
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (GUARD_CF) | high |
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