MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77f43a25f8a747807da3c24f38d5644c6b9c23ba2e14bfb1096bcf3e37d5fae5. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 77f43a25f8a747807da3c24f38d5644c6b9c23ba2e14bfb1096bcf3e37d5fae5
SHA3-384 hash: 8d19b52cc4697c43f08fd12d8015f805331ccf78ce04f63cc8f454c2d787f072d24c40e40bf722ff5665d08b70960b06
SHA1 hash: 28973bf5da35118417cc16e87e106fb833c8e29e
MD5 hash: 53d41b4c66c6d8dbbebb902f3a9c4d58
humanhash: alpha-music-harry-jupiter
File name:53d41b4c66c6d8dbbebb902f3a9c4d58.exe
Download: download sample
Signature DarkTortilla
Create hunting rule
File size:1'458'742 bytes
First seen:2023-09-08 19:50:14 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 51 similar samples on MalwareBazaar
TLSH T18665E04EFC022F55C331D87B0A8E9A203CAA12BF5F529F1772656987DF805C6B03566B
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 :
324
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
53d41b4c66c6d8dbbebb902f3a9c4d58.exe
Verdict:
Malicious activity
Analysis date:
2023-09-08 19:53:03 UTC
Tags:
evasion
Link:
https://app.any.run/tasks/a85ed550-c355-4379-be0f-4ba0f744ee33

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/447592/
Detection(s):
SecuriteInfo.com.Trojan.Rasftuby.Gen.14.10239.27368.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% directory
Running batch commands
Launching a process
DNS request
Sending a custom TCP request
Creating a process from a recently created file
Adding an exclusion to Microsoft Defender
Gathering data
Gathering data
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/77f43a25f8a747807da3c24f38d5644c6b9c23ba2e14bfb1096bcf3e37d5fae5
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/ff210ee3-fa73-4094-8ced-4154ebde0790
Result
Threat name:
DarkTortilla, Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1306481
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Drops large PE files
Drops PE files to the startup folder
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Modifies the windows firewall
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 DarkTortilla Crypter
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1306481 Sample: NDPtUhK87w.exe Startdate: 08/09/2023 Architecture: WINDOWS Score: 100 40 127.0.0.1 unknown unknown 2->40 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for dropped file 2->56 58 Yara detected DarkTortilla Crypter 2->58 60 Yara detected Quasar RAT 2->60 9 NDPtUhK87w.exe 12 2->9         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\Temp\7z.exe, PE32 9->34 dropped 36 C:\Users\user\AppData\Local\Temp\7z.dll, PE32 9->36 dropped 12 cmd.exe 3 9->12         started        process6 file7 38 C:\ProgramData\Microsoft\Windows\...\ratt.exe, PE32 12->38 dropped 64 Suspicious powershell command line found 12->64 66 Uses ping.exe to sleep 12->66 68 Drops PE files to the startup folder 12->68 70 4 other signatures 12->70 16 cmd.exe 1 12->16         started        19 powershell.exe 7 12->19         started        21 7z.exe 3 12->21         started        24 6 other processes 12->24 signatures8 process9 file10 48 Uses nslookup.exe to query domains 16->48 26 nslookup.exe 1 16->26         started        50 Uses netsh to modify the Windows network and firewall settings 19->50 52 Modifies the windows firewall 19->52 32 C:\Users\user\AppData\Local\Temp\ratt.exe, PE32 21->32 dropped 30 WMIC.exe 1 24->30         started        signatures11 process12 dnsIp13 42 resolver1.opendns.com 26->42 44 myip.opendns.com 26->44 46 222.222.67.208.in-addr.arpa 26->46 62 May check the online IP address of the machine 26->62 signatures14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/77f43a25f8a747807da3c24f38d5644c6b9c23ba2e14bfb1096bcf3e37d5fae5/
Threat name:
Win32.Backdoor.QuasarRAT
Create hunting rule
Status:
Malicious
First seen:
2023-09-08 15:30:10 UTC
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=o72dujpyu5dya7ndyjhtrvlejrvzyi52fykl7mijnpht4n6v7lsq._file
Verdict:
malicious
Similar samples:
1ead164add4a39d1dea816fef36c153347edd9516554db804fd847ebdaad8688
DarkTortilla
2487094834dfcab7a6c088a1b19188ac66390eb688eb1f8ae290c9cc93b533e6
DarkTortilla
300511c3a97a5e97d592177d2625b57133b1a266856729cc6ab784d10d61ebf6
DarkTortilla
3561b1eab2b650f0a714dc2da14bb751e03008a444dcc7dc1293eca7056727a2
DarkTortilla
3594486ee2019ce81554baa4f01ecbbef8d0d392dbf2d4866ac340b3b0623c5c
DarkTortilla
446394f68754ec8ef7d4aa622921b8a5fd77b0dbea23a1b39c366d905fac4489
DarkTortilla
634760dc7f6262ffa59d74ac41d35bd441fa2974c6f0c2c41e68e61ca98af787
DarkTortilla
8169cd35ac84069d5e1e101dc22a6e9cb2fcaffa0c357972ad5fbbd5c3d7c8e0
DarkTortilla
a19c210ee7c596691805243f45285d4150be354955b2133d87833d5e23bdfac0
DarkTortilla
eed35820ffacfd922412343f51ac4ea22ea10e1391251b785f06af09d614b812
DarkTortilla
+ 41 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion persistence upx
Link:
https://tria.ge/reports/230908-yks25sfa93/
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
Unpacked files
SH256 hash:
77f43a25f8a747807da3c24f38d5644c6b9c23ba2e14bfb1096bcf3e37d5fae5
MD5 hash:
53d41b4c66c6d8dbbebb902f3a9c4d58
SHA1 hash:
28973bf5da35118417cc16e87e106fb833c8e29e
Link:
https://www.unpac.me/results/1488b1a0-d9b8-418f-a514-3a52a8fe9c76/
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/77f43a25f8a747807da3c24f38d5644c6b9c23ba2e14bfb1096bcf3e37d5fae5

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 77f43a25f8a747807da3c24f38d5644c6b9c23ba2e14bfb1096bcf3e37d5fae5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2693711/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/447592/

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