MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5e0c028b051b4ce3b7547ae6bc41ce820a68646328ed7eaeab95734680e4ae68. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments 1

SHA256 hash: 5e0c028b051b4ce3b7547ae6bc41ce820a68646328ed7eaeab95734680e4ae68
SHA3-384 hash: 539fa972327498fd878adda2e4bc65e23edadf2874003aa0393e041c1228a94f1ac96c7cc0acf9086fed87192731d4b7
SHA1 hash: 05cfbe2737357b94d7a4a9b7ad5424030698e4c4
MD5 hash: 8aa84b467d8a13138ba9922b21d75661
humanhash: jig-solar-kentucky-oven
File name:8aa84b467d8a13138ba9922b21d75661
Download: download sample
Signature DarkTortilla
File size:1'154'560 bytes
First seen:2023-09-08 15:49:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:fjGVDKLZNs5S9c5VaNZPFeKhp9Emtb48Zmr3:fOuW5ScKPoKhpj
Threatray 1'160 similar samples on MalwareBazaar
TLSH T1283512ABAF86A4A1DAADA772402E245873F0E5CB2D63C10E41CB41A5DF773D9DD0314B
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter zbetcheckin
Tags:32 DarkTortilla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
297
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8aa84b467d8a13138ba9922b21d75661
Verdict:
Malicious activity
Analysis date:
2023-09-08 16:09:32 UTC
Tags:
n/a

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

Behaviour
Creating a window
Sending a custom TCP request
Gathering data
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:
evad
Score:
96 / 100
Signature
.NET source code contains very large array initializations
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected DarkTortilla Crypter
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1306365 Sample: TeuwGfPYuF.exe Startdate: 08/09/2023 Architecture: WINDOWS Score: 96 33 Multi AV Scanner detection for submitted file 2->33 35 Yara detected DarkTortilla Crypter 2->35 37 Yara detected AntiVM3 2->37 39 2 other signatures 2->39 8 MustFlush.exe 4 2->8         started        11 TeuwGfPYuF.exe 4 2->11         started        process3 signatures4 41 Multi AV Scanner detection for dropped file 8->41 43 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 8->43 45 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->45 13 MustFlush.exe 2 8->13         started        16 conhost.exe 8->16         started        18 MustFlush.exe 8->18         started        20 MustFlush.exe 8->20         started        47 Injects a PE file into a foreign processes 11->47 22 TeuwGfPYuF.exe 6 11->22         started        25 conhost.exe 11->25         started        process5 file6 49 Writes to foreign memory regions 13->49 51 Injects a PE file into a foreign processes 13->51 27 InstallUtil.exe 2 13->27         started        31 C:\Users\user\AppData\Local\...\MustFlush.exe, PE32 22->31 dropped signatures7 process8 process9 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.DarkTortilla
Status:
Malicious
First seen:
2023-09-08 15:50:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
36
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Executes dropped EXE
Unpacked files
SH256 hash:
720eb7865aa32950f28737087178ab60b13de358aeb838ede500c50f7235cc69
MD5 hash:
59ff3aedb3f9df07f7ed61aeec39d6d7
SHA1 hash:
d3df5789a205f7849ae626045f6fdb5a7a80da7e
SH256 hash:
e5183c595242ee6a7b57ed5b0f9d09636eb89c2813f72ea2b391e7a275e57096
MD5 hash:
3a4c9d009a1544485b0ae46795d6b9be
SHA1 hash:
cb8d8c9753849e6631f54df598cbbc6e8639c9f5
SH256 hash:
5e0c028b051b4ce3b7547ae6bc41ce820a68646328ed7eaeab95734680e4ae68
MD5 hash:
8aa84b467d8a13138ba9922b21d75661
SHA1 hash:
05cfbe2737357b94d7a4a9b7ad5424030698e4c4
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.

Web download

DarkTortilla

Executable exe 5e0c028b051b4ce3b7547ae6bc41ce820a68646328ed7eaeab95734680e4ae68

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-09-08 15:49:45 UTC

url : hxxp://81.161.229.120/raw/update/1iexpress.exe