MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4f6dd83fef5f0ed79011807a9326bb94049a60d134daa9d607fdebf3e13a96c. 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



DarkTortilla


Vendor detections: 16


Intelligence 16 IOCs YARA 5 File information Comments

SHA256 hash: f4f6dd83fef5f0ed79011807a9326bb94049a60d134daa9d607fdebf3e13a96c
SHA3-384 hash: 8c48447b45720a203bde7bdc1a95031dd2945b1dede069bee8027a04918934ea1201b95fd589421046a487e72fbc87c1
SHA1 hash: 0e80e2864e125184610d555ff143a41db74f9c8b
MD5 hash: 6a79fb45296b2ebacc63aef434e34947
humanhash: florida-cup-snake-music
File name:NINGBO-Invoices-Past Due.exe
Download: download sample
Signature DarkTortilla
File size:580'096 bytes
First seen:2024-08-14 08:11:53 UTC
Last seen:2024-08-14 08:19:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:I/Scf38wYuotle9xDhk/erznaOBG78MH9:IdFIeHFlGOSP9
Threatray 3'843 similar samples on MalwareBazaar
TLSH T1C6C4E01D27E8E9D8E97E66344872501587F3B2C68873E31D24CC62FE6B737508D9236A
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
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)
Reporter Racco42
Tags:DarkTortilla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
392
Origin country :
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
NINGBO-Invoices-Past Due.exe
Verdict:
Malicious activity
Analysis date:
2024-08-14 08:14:37 UTC
Tags:
darktortilla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Execution Generic Network Static Stealth Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Running batch commands
Creating a file
Launching a process
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
formbook masquerade packed vbnet
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.
Result
Threat name:
DarkTortilla
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops executables to the windows directory (C:\Windows) and starts them
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected AntiVM3
Yara detected DarkTortilla Crypter
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.DarkTortilla
Status:
Malicious
First seen:
2024-08-05 00:05:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Drops file in System32 directory
Drops startup file
Executes dropped EXE
Loads dropped DLL
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
f4f6dd83fef5f0ed79011807a9326bb94049a60d134daa9d607fdebf3e13a96c
MD5 hash:
6a79fb45296b2ebacc63aef434e34947
SHA1 hash:
0e80e2864e125184610d555ff143a41db74f9c8b
Malware family:
AgentTesla
Verdict:
Malicious
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: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

DarkTortilla

Executable exe f4f6dd83fef5f0ed79011807a9326bb94049a60d134daa9d607fdebf3e13a96c

(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