MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 d438bd2936d8564a021b534873b9bb3a34d421fa9bd442fcc1453892887849d6. 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
MassLogger
Vendor detections: 12
| SHA256 hash: | d438bd2936d8564a021b534873b9bb3a34d421fa9bd442fcc1453892887849d6 |
|---|---|
| SHA3-384 hash: | ad53df5fd2ef3b5026b3ba1e7c808a0f333e69c7b8f9d6807872051a2462a28bf8996ae87356ac9dd98e071eeafc6e0c |
| SHA1 hash: | e8f96931ab47e84706136ecd0640894ceb4bfd89 |
| MD5 hash: | f97f6514003e9fab1fd9661d58aa8726 |
| humanhash: | mike-floor-skylark-failed |
| File name: | QUOTATION_JANQTRA01312025·PDF.scr |
| Download: | download sample |
| Signature | MassLogger |
| File size: | 339'968 bytes |
| First seen: | 2025-02-05 10:46:16 UTC |
| Last seen: | 2025-02-05 11:29:11 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 768:4PuuQg2ZzEjss2VSg1I1cn0sspAgpq8hLyg1uMN0+dzsRs+eEP:8Q7qPpqOLy0uyL+fP |
| Threatray | 2'398 similar samples on MalwareBazaar |
| TLSH | T18D74D95A7A74A132ED04CA3419F69E11D2DBEE6C2BE0551D24C8F66D1B326FE8F039C1 |
| 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 |
| File icon (PE): |  |
| dhash icon | 7068ccb0b2b2b2f8 (129 x AgentTesla, 54 x SnakeKeylogger, 28 x AveMariaRAT) |
| Reporter |  threatcat_ch |
| Tags: | exe MassLogger |
Intelligence
File Origin
# of uploads :
2
# of downloads :
526
Origin country :
CHVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
QUOTATION_JANQTRA01312025·PDF.scr
Verdict:
Malicious activity
Analysis date:
2025-02-05 10:52:13 UTC
Tags:
fileshare purecrypter netreactor evasion snake keylogger stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Verdict:
Malicious
Score:
99.1%
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Creating a process from a recently created file
Creating a window
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Result
Verdict:
UNKNOWN
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:
MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Znyonm
Status:
Malicious
First seen:
2025-02-05 10:47:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
16 of 23 (69.57%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
snakekeylogger
Similar samples:
+ 2'388 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
collection discovery spyware stealer
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Unpacked files
SH256 hash:
d438bd2936d8564a021b534873b9bb3a34d421fa9bd442fcc1453892887849d6
MD5 hash:
f97f6514003e9fab1fd9661d58aa8726
SHA1 hash:
e8f96931ab47e84706136ecd0640894ceb4bfd89
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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