MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 306b107ffbdd41d5231d452dfb7d121b88419015c191e05ec44502a06b76f319. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments

SHA256 hash: 306b107ffbdd41d5231d452dfb7d121b88419015c191e05ec44502a06b76f319
SHA3-384 hash: 26579c37e130b2d1252caf5b27cbf0e785156fec175c0bd5b2e2f63b894a1fe56106509083b03670b7870152c50f29a8
SHA1 hash: 24aff14913194d66500e88c3dff6e5aa9fe58e93
MD5 hash: 79ddbdcc175c1b6ac1a1c2767faff4db
humanhash: massachusetts-tango-ohio-steak
File name:IMPORT PO2024-0961 ASTG.exe
Download: download sample
Signature DarkTortilla
File size:2'467'328 bytes
First seen:2024-08-13 10:30:49 UTC
Last seen:2024-08-13 11:39:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 49152:sTo7KY/EhaBB4q38SQxZTC7YXepIt8RAF5IVIqI0:sM7j38/+eoAjI
Threatray 1 similar samples on MalwareBazaar
TLSH T129B5334563BFC578F45CC8711025A49EA378F053180AEB2DC5DD52AE8D6BBFBAF26080
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 threatcat_ch
Tags:DarkTortilla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
450
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
IMPORT PO2024-0961 ASTG.exe
Verdict:
Suspicious activity
Analysis date:
2024-08-13 10:35:14 UTC
Tags:
n/a

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 Stealth
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Running batch commands
Creating a file
Launching a process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated 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.
Malware family:
Malicious Packer
Verdict:
Malicious
Result
Threat name:
DarkTortilla, VIP Keylogger
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
AI detected suspicious sample
Antivirus detection for URL or domain
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Drops PE files to the startup folder
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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
Yara detected Generic Downloader
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1492105 Sample: IMPORT PO2024-0961 ASTG.exe Startdate: 13/08/2024 Architecture: WINDOWS Score: 100 32 Found malware configuration 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus detection for URL or domain 2->36 38 12 other signatures 2->38 7 IMPORT PO2024-0961 ASTG.exe 5 2->7         started        11 file.exe 2 2->11         started        process3 file4 24 C:\Users\...\IMPORT PO2024-0961 ASTG.exe.log, ASCII 7->24 dropped 40 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->40 13 cmd.exe 3 7->13         started        signatures5 process6 file7 26 C:\Users\user\AppData\Roaming\...\file.exe, PE32 13->26 dropped 28 C:\Users\user\...\file.exe:Zone.Identifier, ASCII 13->28 dropped 42 Uses ping.exe to sleep 13->42 44 Drops PE files to the startup folder 13->44 46 Uses ping.exe to check the status of other devices and networks 13->46 17 PING.EXE 1 13->17         started        20 conhost.exe 13->20         started        22 PING.EXE 1 13->22         started        signatures8 process9 dnsIp10 30 127.0.0.1 unknown unknown 17->30
Threat name:
Win32.Spyware.Snakekeylogger
Status:
Malicious
First seen:
2024-08-13 08:37:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
17 of 24 (70.83%)
Threat level:
  2/5
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 startup file
Executes dropped EXE
Loads dropped DLL
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
1815ef2533dde7134984c3b87fd1bec1ee4642871e7b39b24f1cb16da58e9c21
MD5 hash:
2ea626b687737ceaba1494bb59303d84
SHA1 hash:
d7ef27acb80e8aecc65872a31a75bc434e3f3768
Detections:
win_404keylogger_g1 MAL_Envrial_Jan18_1
SH256 hash:
9dac8e0c184f46c9a246a11fa95c2284003e7f0355061b92303d31f5c20c6d84
MD5 hash:
f0104eb57763672dbaf72b04351c3307
SHA1 hash:
b19b30093b6bf0dd739fde922b7de753919b86ac
SH256 hash:
306b107ffbdd41d5231d452dfb7d121b88419015c191e05ec44502a06b76f319
MD5 hash:
79ddbdcc175c1b6ac1a1c2767faff4db
SHA1 hash:
24aff14913194d66500e88c3dff6e5aa9fe58e93
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 306b107ffbdd41d5231d452dfb7d121b88419015c191e05ec44502a06b76f319

(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