MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 754e785fcce05e768bf7637efa9b2ed9f83fb8fda0202634d0b123430ccf6d05. 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: 20


Intelligence 20 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 754e785fcce05e768bf7637efa9b2ed9f83fb8fda0202634d0b123430ccf6d05
SHA3-384 hash: 2844cdee211386e119b08ef4d67736a04f88efdf084015943d6e2b3f58f9c8d10a80b412864403d09749845888fc5851
SHA1 hash: 3bffad9c1f0d4603e6eda499448970ab6b4bccd0
MD5 hash: 664e7f8444cc35647d72ddaaef468549
humanhash: blue-winter-bacon-oxygen
File name:TWS INTL QUOTATION_#PO150034 #SGSA420  TW23032026.pdf(105KB).com
Download: download sample
Signature DarkTortilla
Create hunting rule
File size:560'640 bytes
First seen:2026-03-23 11:43:27 UTC
Last seen:2026-03-23 12:51:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'853 x AgentTesla, 19'779 x Formbook, 12'304 x SnakeKeylogger)
ssdeep 12288:C97wy30Ma4U9NUeC2ZszzBsdXGSQtTjJq/pV14J5cvTBg11EQ5rXH986U:CzEMalNUeC/K2uxb4STBa5rXH9PU
TLSH T179C4BD612E56AF55D17E1BB8C023058973F0C817A393E76AAFFD01F65A63BC0CA17492
TrID 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win64 Executable (generic) (6522/11/2)
4.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter lowmal3
Tags:DarkTortilla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
116
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
DeepSea
Details
DeepSea
DeepSea decrypted strings
Link:
https://research.acce.ciphertechsolutions.com/results/21d88329-e140-44b7-ae3e-700a1ba7748c/
Malware family:
remcos
Create hunting rule
ID:
1
File name:
TWS INTL QUOTATION_#PO150034 #SGSA420  TW23032026.pdf(105KB).com
Verdict:
Malicious activity
Analysis date:
2026-03-23 11:46:20 UTC
Tags:
netreactor auto-reg auto-startup xworm remote rat remcos
Link:
https://app.any.run/tasks/1c8914fd-48e2-47b7-babf-1ac4d4178698

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69c12790390b99647412fad2
Tags:
agenttesla virus micro remo
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Creating a process with a hidden window
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file in the %AppData% directory
Creating a process from a recently created file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
blustealer formbook lolbin masquerade obfuscated obfuscated packed tracker unsafe vbnet
Link:
https://www.filescan.io/uploads/69c1278e4678eefbc7b176f0/reports/7b3305e6-2b3b-4951-8603-113b955b1e05/overview
Verdict:
Malicious
Labled as:
Ser.Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/754e785fcce05e768bf7637efa9b2ed9f83fb8fda0202634d0b123430ccf6d05
Verdict:
Malicious
File Type:
exe x32
Detections:
Trojan-Downloader.Tiny.HTTP.Download Trojan-Downloader.Win32.PsDownload.sb Trojan.MSIL.Inject.sb Trojan.MSIL.Inject.b HEUR:Trojan.MSIL.APosT.gen Trojan.APosT.UDP.C&C PDM:Trojan.Win32.Generic PDM:Exploit.Win32.Generic Trojan.Win32.Agent.sb HEUR:Trojan-PSW.MSIL.Stealerium.gen HEUR:Backdoor.MSIL.Androm.gen
Link:
https://opentip.kaspersky.com/754e785fcce05e768bf7637efa9b2ed9f83fb8fda0202634d0b123430ccf6d05/results?tab=lookup
Malware family:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/92713f0b-1e84-41f8-a39b-3c36bec80ff7
Result
Threat name:
Remcos, DarkTortilla, Quasar, XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1887561
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Changes security center settings (notifications, updates, antivirus, firewall)
Connects to many ports of the same IP (likely port scanning)
Creates autostart registry keys with suspicious values (likely registry only malware)
Creates multiple autostart registry keys
Disables UAC (registry)
Disables user account control notifications
Drops PE files to the user root directory
Drops PE files with benign system names
Encrypted powershell cmdline option found
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Potential dropper URLs found in powershell memory
Potential Privilege Escalation using Task Scheduler highest RunLevel
Powershell drops PE file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Net WebClient Casing Anomalies
Sigma detected: Remcos
Sigma detected: System File Execution Location Anomaly
Suricata IDS alerts for network traffic
Unusual module load detection (module proxying)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected DarkTortilla Crypter
Yara detected MSIL Injector
Yara detected Quasar RAT
Yara detected Remcos RAT
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1887561 Sample: TWS INTL QUOTATION_#PO15003... Startdate: 23/03/2026 Architecture: WINDOWS Score: 100 105 code1.ydns.eu 2->105 107 rency.ydns.eu 2->107 109 2 other IPs or domains 2->109 125 Suricata IDS alerts for network traffic 2->125 127 Found malware configuration 2->127 129 Malicious sample detected (through community Yara rule) 2->129 131 20 other signatures 2->131 12 TWS INTL QUOTATION_#PO150034 #SGSA420 #U00a0TW23032026.pdf(105KB).com.exe 3 2->12         started        16 Opera.exe 2->16         started        signatures3 process4 file5 103 TWS INTL QUOTATION...(105KB).com.exe.log, ASCII 12->103 dropped 171 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->171 173 Injects a PE file into a foreign processes 12->173 18 TWS INTL QUOTATION_#PO150034 #SGSA420 #U00a0TW23032026.pdf(105KB).com.exe 1 12->18         started        175 Unusual module load detection (module proxying) 16->175 21 Opera.exe 16->21         started        signatures6 process7 file8 119 Encrypted powershell cmdline option found 18->119 24 powershell.exe 15 21 18->24         started        87 C:\ProgramData\remcos\logs.dat, data 21->87 dropped 121 Maps a DLL or memory area into another process 21->121 123 Installs a global keyboard hook 21->123 signatures9 process10 dnsIp11 115 igw.myfirewall.org 83.217.209.110, 49691, 49692, 80 INF-NET-ASRU Russian Federation 24->115 95 C:\Users\user\OneDrive.exe, PE32 24->95 dropped 97 C:\Users\user\AppData\Roaming\explorer.exe, PE32 24->97 dropped 99 C:\Users\user\...\backgroundTaskHost.exe, PE32 24->99 dropped 101 C:\Users\user\AppData\Roaming\OUTLOOK.EXE, PE32 24->101 dropped 163 Drops PE files to the user root directory 24->163 165 Potential dropper URLs found in powershell memory 24->165 167 Drops PE files with benign system names 24->167 169 Powershell drops PE file 24->169 29 explorer.exe 24->29         started        32 OneDrive.exe 3 24->32         started        34 OUTLOOK.EXE 2 24->34         started        36 2 other processes 24->36 file12 signatures13 process14 signatures15 177 Hides that the sample has been downloaded from the Internet (zone.identifier) 29->177 38 cmd.exe 29->38         started        42 cmd.exe 29->42         started        179 Writes to foreign memory regions 32->179 181 Allocates memory in foreign processes 32->181 183 Injects a PE file into a foreign processes 32->183 44 RegSvcs.exe 32->44         started        46 RegSvcs.exe 32->46         started        48 RegSvcs.exe 32->48         started        50 InstallUtil.exe 34->50         started        53 backgroundTaskHost.exe 36->53         started        process16 dnsIp17 89 C:\Users\user\AppData\Roaming\Opera.exe, PE32 38->89 dropped 133 Uses ping.exe to sleep 38->133 55 Opera.exe 38->55         started        71 3 other processes 38->71 135 Uses ping.exe to check the status of other devices and networks 42->135 58 reg.exe 42->58         started        60 PING.EXE 42->60         started        63 conhost.exe 42->63         started        91 C:\Users\user\AppData\...\++__++++__i.exe, PE32 44->91 dropped 137 Hides that the sample has been downloaded from the Internet (zone.identifier) 44->137 65 schtasks.exe 44->65         started        139 Uses schtasks.exe or at.exe to add and modify task schedules 46->139 141 Potential Privilege Escalation using Task Scheduler highest RunLevel 46->141 111 code1.ydns.eu 128.0.1.9, 52013, 59013 M247GB Romania 50->111 113 rency.ydns.eu 91.92.241.145, 2404, 49697, 49698 THEZONEBG Bulgaria 50->113 93 C:\Users\user\AppData\...\VersionUpdate.exe, PE32 50->93 dropped 143 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 50->143 145 Creates autostart registry keys with suspicious values (likely registry only malware) 50->145 147 Creates multiple autostart registry keys 50->147 149 Changes security center settings (notifications, updates, antivirus, firewall) 53->149 151 Disables user account control notifications 53->151 153 Writes to foreign memory regions 53->153 155 3 other signatures 53->155 67 iexplore.exe 53->67         started        69 iexplore.exe 53->69         started        73 2 other processes 53->73 file18 signatures19 process20 dnsIp21 157 Hides that the sample has been downloaded from the Internet (zone.identifier) 55->157 159 Injects a PE file into a foreign processes 55->159 75 Opera.exe 55->75         started        161 Creates multiple autostart registry keys 58->161 117 127.0.0.1 unknown unknown 60->117 77 conhost.exe 65->77         started        79 WerFault.exe 67->79         started        81 WerFault.exe 69->81         started        83 WerFault.exe 73->83         started        85 WerFault.exe 73->85         started        signatures22 process23
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/754e785fcce05e768bf7637efa9b2ed9f83fb8fda0202634d0b123430ccf6d05
Gathering data
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/754e785fcce05e768bf7637efa9b2ed9f83fb8fda0202634d0b123430ccf6d05/
Verdict:
Malicious
Threat:
Family.QUASAR
Link:
https://tip.neiki.dev/file/754e785fcce05e768bf7637efa9b2ed9f83fb8fda0202634d0b123430ccf6d05
Threat name:
Win32.Trojan.Qwexlafiba
Create hunting rule
Status:
Malicious
First seen:
2026-03-23 11:21:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ovhhqx6m4bphnc7xmn7pvgzo3h4d7oh5uaqcmngqwerugdgpnucq._file
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:quasar family:remcos family:xpertrat family:xworm botnet:b-w botnet:bkup xx26 botnet:bw-wld defense_evasion discovery execution persistence rat spyware trojan
Link:
https://tria.ge/reports/260323-nv861abw9n/
Behaviour
Runs ping.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Obfuscated Files or Information: Command Obfuscation
.NET Reactor proctector
Checks computer location settings
Drops startup file
Executes dropped EXE
Windows security modification
Adds policy Run key to start application
Badlisted process makes network request
Downloads MZ/PE file
Detect Xworm Payload
Quasar RAT
Quasar family
Quasar payload
Remcos
Remcos family
UAC bypass
Windows security bypass
XpertRAT
XpertRAT Core payload
Xpertrat family
Xworm
Xworm family
Malware Config
C2 Extraction:
wqo9.firewall-gateway.de:52013
code1.ydns.eu:52013
rency.ydns.eu:52013
twart.myfirewall.org:9792
rency.ydns.eu:5287
wqo9.firewall-gateway.de:8841
code1.ydns.eu:5287
wqo9.firewall-gateway.de:9792
rency.ydns.eu:2404
wqo9.firewall-gateway.de:4045
code1.ydns.eu:9302
Unpacked files
SH256 hash:
754e785fcce05e768bf7637efa9b2ed9f83fb8fda0202634d0b123430ccf6d05
MD5 hash:
664e7f8444cc35647d72ddaaef468549
SHA1 hash:
3bffad9c1f0d4603e6eda499448970ab6b4bccd0
Link:
https://www.unpac.me/results/e2c9d872-c99d-4c6d-a938-12a769b697bf/
SH256 hash:
fa82bec58c997dd30457365f6b7519114411f5e3b811d84c49e2c95f3e3396bb
MD5 hash:
f332b7c421c1369770652a04b692f398
SHA1 hash:
38d5a3ce2c1286a37b50d7dfb04743a59ffa76fa
Detections:
DotNetPSDownloader
Create hunting rule
Link:
https://www.unpac.me/results/e2c9d872-c99d-4c6d-a938-12a769b697bf/
SH256 hash:
18bf646fad26a0aa1264cac867789c6d9f4de762bc83b9aeeff0f8d8d48ee6ac
MD5 hash:
4faf9d90e22fe6f5452ab806bb763ed7
SHA1 hash:
564455391f73d9d8f3baf3b907dfb9723f249820
Link:
https://www.unpac.me/results/e2c9d872-c99d-4c6d-a938-12a769b697bf/
SH256 hash:
69b83d39655ef00f775e5bc22b91874d629e68319550000343c581318fbe6fd4
MD5 hash:
b02d83e8ecf71c6399a3b3be638fb93b
SHA1 hash:
dfaff9ecb5aeab521334bf05aa7832d3d9af9451
Link:
https://www.unpac.me/results/e2c9d872-c99d-4c6d-a938-12a769b697bf/
SH256 hash:
99dfac61751cc963c01b28c926c1a2c83d421087f74e6bca230c93d7f55ce169
MD5 hash:
085f4129f7c7dd807a66f3591a41a50c
SHA1 hash:
e0439d3fe0cefc800021d52d7b7906096023029a
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
INDICATOR_EXE_Packed_DotNetReactor
Create hunting rule
Link:
https://www.unpac.me/results/e2c9d872-c99d-4c6d-a938-12a769b697bf/
Parent samples :
754e785fcce05e768bf7637efa9b2ed9f83fb8fda0202634d0b123430ccf6d05
a1cf75f957a630cac1c6583440664efee2371cb923360c2d711a0dde2ddd38a1
e6bb646f56c9c4807ee6aa5d50101b0bc1240f748e6c9c12a3f673f2f828d10f
843927268c04f1c791bbed033576d07133d25b45c04efe7e1e8b4a0c8034bbea
6d5de61b4ceade81ec1a26f9d3c156344f0588efd20f35ed16ad9e50646c932a
836e1963d6361be75e979ffbb474c785ac0ee73582c2df9b6ec5345c61f9b320
7450d54f320aab5eceac8b80df6e7518b2ef891cb3b9669afc1b1422cbe8071a
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/754e785fcce0/report/overview.html
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/754e785fcce05e768bf7637efa9b2ed9f83fb8fda0202634d0b123430ccf6d05

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
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 754e785fcce05e768bf7637efa9b2ed9f83fb8fda0202634d0b123430ccf6d05

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/58849/

Comments