MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7085e3a803cd04ff43f726c07816734eb4fcf9499b432d67e35c193c663cde1b. 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: 7085e3a803cd04ff43f726c07816734eb4fcf9499b432d67e35c193c663cde1b
SHA3-384 hash: e9d4178a16f216fbfa49fa3965402c35c3d5f6c78234a8c111d63332a0a2f49151c571f6b9edb00b5175fd5e1670971c
SHA1 hash: e8e72b5f06f5f9794a163b3fe95269725383905d
MD5 hash: 2e5f94bd5dc6742857b0cfa7c527e1c8
humanhash: minnesota-alabama-jig-angel
File name:DebitTransactionCopyUSD16990.exe
Download: download sample
Signature DarkTortilla
File size:5'848'064 bytes
First seen:2025-08-09 01:50:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 98304:MJmKB526pCSP7GImvSyrdD1nU9Q37PE4rm:MRLCSPKLKyrM9Ibr
Threatray 1'298 similar samples on MalwareBazaar
TLSH T15A46D0343AEAA009F177BF759EE078869ABFBEA33F03905D145523850B13941EEE1539
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter aachum
Tags:DarkTortilla exe QuasarRAT yuba-ydns-eu


Avatar
iamaachum
Quasar C2: yuba.ydns.eu:6921

Intelligence


File Origin
# of uploads :
1
# of downloads :
53
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9c016b900cb5fc4424d7c8883a59dbadbb530008b4946a44f079cd609f251e49.zip
Verdict:
Malicious activity
Analysis date:
2025-08-01 00:18:35 UTC
Tags:
arch-exec auto-reg

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
Tags:
micro sage remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 keylogger obfuscated obfuscated reconnaissance redcap snake vbnet
Result
Threat name:
AsyncRAT, DarkTortilla, Quasar
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large strings
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected DarkTortilla Crypter
Yara detected Quasar RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1753497 Sample: DebitTransactionCopyUSD16990.exe Startdate: 09/08/2025 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 8 other signatures 2->39 8 DebitTransactionCopyUSD16990.exe 3 2->8         started        12 Edge.exe 2 2->12         started        process3 file4 29 C:\...\DebitTransactionCopyUSD16990.exe.log, ASCII 8->29 dropped 47 Uses schtasks.exe or at.exe to add and modify task schedules 8->47 49 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->49 51 Injects a PE file into a foreign processes 8->51 14 DebitTransactionCopyUSD16990.exe 4 8->14         started        18 Edge.exe 12->18         started        signatures5 process6 file7 31 C:\Users\user\AppData\Roaming\...dge.exe, PE32 14->31 dropped 53 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->53 20 Edge.exe 2 14->20         started        23 schtasks.exe 1 14->23         started        signatures8 process9 signatures10 41 Multi AV Scanner detection for dropped file 20->41 43 Hides that the sample has been downloaded from the Internet (zone.identifier) 20->43 45 Injects a PE file into a foreign processes 20->45 25 Edge.exe 20->25         started        27 conhost.exe 23->27         started        process11
Verdict:
inconclusive
YARA:
11 match(es)
Tags:
.Net Executable PE (Portable Executable) SOS: 0.46 Win 32 Exe x86
Threat name:
Win32.Backdoor.Quasar
Status:
Malicious
First seen:
2025-07-31 22:40:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
289
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:darktortilla family:quasar botnet:sim crypter discovery execution loader persistence spyware trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Executes dropped EXE
Darktortilla
Darktortilla family
Detects Darktortilla crypter.
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
yuba.ydns.eu:6921
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
7085e3a803cd04ff43f726c07816734eb4fcf9499b432d67e35c193c663cde1b
MD5 hash:
2e5f94bd5dc6742857b0cfa7c527e1c8
SHA1 hash:
e8e72b5f06f5f9794a163b3fe95269725383905d
SH256 hash:
b93bebd7f42919ccf2f07d84da350fd77d111485ed44391cbca6af70b50036bf
MD5 hash:
f78e095892191a48f2848f8372f65a87
SHA1 hash:
0fbad02a10028e049498ba8b11f49ac82c4214ae
SH256 hash:
da4cb91d96214c7134a9e8799fdf241bd6b8103eecd4efb1b8c228ca3c8e7e91
MD5 hash:
9a06e083cd0531927dcd616b9b601ffa
SHA1 hash:
9584f7e1c8ab7be5900762abcaedf20cb92e4ae7
SH256 hash:
2cb5b8fbcd0994c8371837858c1f6dfe8e0de017e86437c7aee38d710209f10a
MD5 hash:
4f5880d558000b383fbb6efb21100997
SHA1 hash:
d2ceb9140d797b0f4db46a0a02c274e4fe89f349
SH256 hash:
50a6915e6bc15f11b5f7a5ff8a6dc3dce2863baba6a64482dc2c477041479789
MD5 hash:
6a809860c4708c7c7aad2fa0b4a7eac1
SHA1 hash:
e751027a71698f11b13fc1bad46a87de0e96e0aa
Detections:
QuasarRAT cn_utf8_windows_terminal malware_windows_xrat_quasarrat MAL_QuasarRAT_May19_1 win_quasarrat_j2 win_quasar_rat_client INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_GENInfoStealer INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA MALWARE_Win_QuasarStealer
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
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information


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

Malspam

DarkTortilla

Executable exe 7085e3a803cd04ff43f726c07816734eb4fcf9499b432d67e35c193c663cde1b

(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