MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a05a48bc539a7439e3b1cf4bd4481b08aa43b0f2e4cf36219d2a79a0be2b6f63. 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



Threat unknown


Vendor detections: 10


Intelligence 10 IOCs YARA 7 File information Comments

SHA256 hash: a05a48bc539a7439e3b1cf4bd4481b08aa43b0f2e4cf36219d2a79a0be2b6f63
SHA3-384 hash: c5989458ba870de7822df9b9b69ec7d72b4bcffd6f02ef33714c28eb1345cd72f3da88b9fed8cfb2cc350f78b40daba5
SHA1 hash: 79aa663b14dfbc147649e2dc745f471cd813de05
MD5 hash: b38440f6d61b3c1d6cea4c0ab45cf776
humanhash: mike-happy-nebraska-winter
File name:QUOTATION_JANQUOTE312025úPDF.scr
Download: download sample
File size:1'641'472 bytes
First seen:2025-02-17 09:20:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 49152:Op+Z/GwsgT4tSXE36/zCdvNDwM4xpPu/HMWXJSGrWG1Qc2l/LPNMQx339vfJQllF:Op+Z/GwsgT4tSXE36/zCdvNDwM4xpPuv
Threatray 2'170 similar samples on MalwareBazaar
TLSH T10A752D597A186E33CA26BCB0C5679474DE9A5CD75FA231715848324FCF38228FE3247A
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):PE icon
dhash icon 7068ccb0b2b2b2f8 (129 x AgentTesla, 54 x SnakeKeylogger, 28 x AveMariaRAT)
Reporter threatcat_ch
Tags:exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
535
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
QUOTATION_JANQUOTE312025úPDF.scr
Verdict:
Malicious activity
Analysis date:
2025-02-17 09:23:20 UTC
Tags:
fileshare purecrypter netreactor snake keylogger evasion stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
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.
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious 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 Telegram RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Infostealer.Tinba
Status:
Malicious
First seen:
2025-02-17 08:19:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
11 of 37 (29.73%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection discovery spyware stealer
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
outlook_office_path
outlook_win_path
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
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
Downloads MZ/PE file
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Unpacked files
SH256 hash:
a05a48bc539a7439e3b1cf4bd4481b08aa43b0f2e4cf36219d2a79a0be2b6f63
MD5 hash:
b38440f6d61b3c1d6cea4c0ab45cf776
SHA1 hash:
79aa663b14dfbc147649e2dc745f471cd813de05
Please note that we are no longer able to provide a coverage score for Virus Total.

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:reverse_http
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:svg_attached_js_code
Author:Anish Bogati
Description:Detects suspicious SVG files with JS code and base 64 encoding
Rule name:test_Malaysia
Author:rectifyq
Description:Detects file containing malaysia string

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Executable exe a05a48bc539a7439e3b1cf4bd4481b08aa43b0f2e4cf36219d2a79a0be2b6f63

(this sample)

  
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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments