MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e4754822ea080299aa8db5ca8d29c7a68a669c3c041a76466495c6809a98bb9a. 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: 11


Intelligence 11 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e4754822ea080299aa8db5ca8d29c7a68a669c3c041a76466495c6809a98bb9a
SHA3-384 hash: daccf9abd1e36ce40d0bfb08448b5ad5724216324b4c9ddfe32f977436245e97f9064ce904bf24cd924522455165343e
SHA1 hash: a095afee612c86b6b8e9f47b8b3ea14c7fd8edd4
MD5 hash: 81ce294185bc0254db097f06dbc72f2b
humanhash: mango-nitrogen-illinois-mountain
File name:81ce294185bc0254db097f06dbc72f2b.exe
Download: download sample
Signature DarkTortilla
Create hunting rule
File size:1'454'927 bytes
First seen:2023-09-03 14:20:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 24576:U2G/nvxW3Ww0tRp8GiXTBhq7yRDvHcUcjUvy0lr3Tl6icOB/UWoT:UbA30H4zF0UMSAicOB/UWk
Threatray 1'524 similar samples on MalwareBazaar
TLSH T1AF65E04EFC022F55C331D87B0A8E9A203CAA12BF5F529F1772656987DF805C6B03566B
TrID 91.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.6% (.EXE) Win64 Executable (generic) (10523/12/4)
1.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
0.6% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 9494b494d4aeaeac (832 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter abuse_ch
Tags:DarkTortilla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
287
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
81ce294185bc0254db097f06dbc72f2b.exe
Verdict:
Malicious activity
Analysis date:
2023-09-03 14:24:41 UTC
Tags:
evasion
Link:
https://app.any.run/tasks/37f80bb7-8594-490b-ba24-8799137fc9f5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/445860/
Detection(s):
SecuriteInfo.com.Trojan.Rasftuby.Gen.14.10239.27368.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% directory
Running batch commands
Launching a process
DNS request
Creating a process from a recently created file
Adding an exclusion to Microsoft Defender
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd fingerprint greyware lolbin lolbin netsh nslookup overlay packed packed powershell replace setupapi shdocvw shell32
Link:
https://www.filescan.io/uploads/64f496535c5d7698b7f5f161/reports/37360881-b536-45f1-be15-54e882524707/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/e4754822ea080299aa8db5ca8d29c7a68a669c3c041a76466495c6809a98bb9a
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dcdf3512-291b-4f67-94ca-11c1749e2f61
Result
Threat name:
DarkTortilla, Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1302425
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Drops large PE files
Drops PE files to the startup folder
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suspicious powershell command line found
Uses netsh to modify the Windows network and firewall settings
Uses nslookup.exe to query domains
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 Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1302425 Sample: czYNQbfioX.exe Startdate: 03/09/2023 Architecture: WINDOWS Score: 100 76 resolver1.opendns.com 2->76 92 Found malware configuration 2->92 94 Malicious sample detected (through community Yara rule) 2->94 96 Antivirus detection for URL or domain 2->96 98 8 other signatures 2->98 11 czYNQbfioX.exe 12 2->11         started        14 ratt.exe 2->14         started        signatures3 process4 file5 70 C:\Users\user\AppData\Local\Temp\7z.exe, PE32 11->70 dropped 72 C:\Users\user\AppData\Local\Temp\7z.dll, PE32 11->72 dropped 16 cmd.exe 3 11->16         started        process6 file7 68 C:\ProgramData\Microsoft\Windows\...\ratt.exe, PE32 16->68 dropped 84 Suspicious powershell command line found 16->84 86 Uses ping.exe to sleep 16->86 88 Drops PE files to the startup folder 16->88 90 4 other signatures 16->90 20 powershell.exe 22 16->20         started        22 ratt.exe 16->22         started        25 cmd.exe 1 16->25         started        27 9 other processes 16->27 signatures8 process9 file10 30 ratt.exe 20->30         started        33 cmd.exe 20->33         started        35 cmd.exe 20->35         started        44 3 other processes 20->44 100 Antivirus detection for dropped file 22->100 102 Multi AV Scanner detection for dropped file 22->102 104 Hides that the sample has been downloaded from the Internet (zone.identifier) 22->104 37 cmd.exe 22->37         started        106 Uses nslookup.exe to query domains 25->106 39 nslookup.exe 1 25->39         started        74 C:\Users\user\AppData\Local\Temp\ratt.exe, PE32 27->74 dropped 108 Uses netsh to modify the Windows network and firewall settings 27->108 110 Drops large PE files 27->110 112 Modifies the windows firewall 27->112 42 WMIC.exe 1 27->42         started        signatures11 process12 dnsIp13 114 Hides that the sample has been downloaded from the Internet (zone.identifier) 30->114 46 cmd.exe 30->46         started        49 cmd.exe 30->49         started        51 WMIC.exe 33->51         started        53 WMIC.exe 35->53         started        116 Uses ping.exe to sleep 37->116 55 conhost.exe 37->55         started        57 PING.EXE 37->57         started        78 myip.opendns.com 39->78 80 222.222.67.208.in-addr.arpa 39->80 118 May check the online IP address of the machine 39->118 signatures14 process15 signatures16 120 Uses ping.exe to sleep 46->120 59 PING.EXE 46->59         started        62 conhost.exe 46->62         started        64 conhost.exe 49->64         started        66 PING.EXE 49->66         started        process17 dnsIp18 82 127.0.0.1 unknown unknown 59->82
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e4754822ea080299aa8db5ca8d29c7a68a669c3c041a76466495c6809a98bb9a/
Threat name:
Win32.Backdoor.QuasarRAT
Create hunting rule
Status:
Malicious
First seen:
2023-09-03 13:26:38 UTC
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4r2uqixkbabjtkunwxfi2kohu2fgnhb4aqnhmrtesxdibguyxona._file
Verdict:
malicious
Similar samples:
0b3433ae8924ce17371de3d6b58e1fd913fe77a73de514e44049f1612fa71cfd
DarkTortilla
2373051514c08af26704de34d18387632b72005f08d2ac2aff4b55666c1e617a
DarkTortilla
2487094834dfcab7a6c088a1b19188ac66390eb688eb1f8ae290c9cc93b533e6
DarkTortilla
3594486ee2019ce81554baa4f01ecbbef8d0d392dbf2d4866ac340b3b0623c5c
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74f4632c70177bc53bd951fa37c1053796017b6b8a3d6d58a281fab70af7d3a3
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80e2f3ab9f85cfd764db0792a05b2a77889457522bb3f6d9b5edfac8321843f8
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8169cd35ac84069d5e1e101dc22a6e9cb2fcaffa0c357972ad5fbbd5c3d7c8e0
DarkTortilla
9c6ce2e75249843f2d6980efba7247338adcf40c6138fca7d0b923b4c8c283b5
DarkTortilla
b3232cf26bd9de37e2886331f76a75c0cce821858b71afe574c11ec942def210
DarkTortilla
eed35820ffacfd922412343f51ac4ea22ea10e1391251b785f06af09d614b812
DarkTortilla
+ 1'514 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
evasion persistence upx
Link:
https://tria.ge/reports/230903-rnzwjaae2t/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
Adds Run key to start application
ACProtect 1.3x - 1.4x DLL software
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
UPX packed file
Unexpected DNS network traffic destination
Modifies Windows Firewall
Modifies WinLogon for persistence
Unpacked files
SH256 hash:
e4754822ea080299aa8db5ca8d29c7a68a669c3c041a76466495c6809a98bb9a
MD5 hash:
81ce294185bc0254db097f06dbc72f2b
SHA1 hash:
a095afee612c86b6b8e9f47b8b3ea14c7fd8edd4
Link:
https://www.unpac.me/results/1a0ee3b9-26cb-477c-b0ad-ee5a7a1e4c0f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e4754822ea080299aa8db5ca8d29c7a68a669c3c041a76466495c6809a98bb9a

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants

File information

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

Web download

DarkTortilla

Executable exe e4754822ea080299aa8db5ca8d29c7a68a669c3c041a76466495c6809a98bb9a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2693711/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/445860/

Comments