MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bcd1c816b9e32f30b205d3e311dbdadd97d4a85e4448fac94a1b178cbf8ba3b2. 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: bcd1c816b9e32f30b205d3e311dbdadd97d4a85e4448fac94a1b178cbf8ba3b2
SHA3-384 hash: a123649cdb54137c8f6d5ff8a6dfbf24ac6feb94852d1385fcd199760b41a98c545d649ae6c737bedb1c73bdaa406d46
SHA1 hash: 4ff7fe018fdc7ce4af0be559466ed81d800411a8
MD5 hash: 6c1ca2636e7ede7e94a08b2c14836ef3
humanhash: winner-florida-mike-violet
File name:Po-GT00028.exe
Download: download sample
Signature DarkTortilla
File size:3'640'320 bytes
First seen:2025-04-19 14:11:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'795 x AgentTesla, 19'693 x Formbook, 12'274 x SnakeKeylogger)
ssdeep 49152:4wZyf0wvplFzIRPo1XgqOQkumAZMLG/nZDb6JpUJugk9AC8ogwzfLwfNd:4wZyftvpPvg7Q8qP5cNggfiNd
Threatray 4 similar samples on MalwareBazaar
TLSH T108F5234E1BE84ED0D9FF5E39E2BC16A453B1B55B983AE39E118440FA5E31706E906333
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
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)
Magika pebin
Reporter TeamDreier
Tags:DarkTortilla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
417
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Po-GT00028.exe
Verdict:
Malicious activity
Analysis date:
2025-04-19 14:14:11 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Running batch commands
Launching a process
Creating a file
Enabling autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
entropy keylogger obfuscated obfuscated packed packed packer_detected snake vbnet
Result
Threat name:
DarkTortilla, Remcos
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
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
Tries to delay execution (extensive OutputDebugStringW loop)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected DarkTortilla Crypter
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1669203 Sample: Po-GT00028.exe Startdate: 19/04/2025 Architecture: WINDOWS Score: 100 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 7 other signatures 2->50 8 Po-GT00028.exe 3 2->8         started        process3 file4 36 C:\Users\user\AppData\...\Po-GT00028.exe.log, ASCII 8->36 dropped 62 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->62 12 cmd.exe 3 8->12         started        16 cmd.exe 1 8->16         started        signatures5 process6 file7 38 C:\Users\user\AppData\Roaming\chjdh.exe, PE32 12->38 dropped 40 C:\Users\user\...\chjdh.exe:Zone.Identifier, ASCII 12->40 dropped 64 Uses ping.exe to sleep 12->64 18 chjdh.exe 2 12->18         started        21 conhost.exe 12->21         started        23 PING.EXE 1 12->23         started        25 PING.EXE 1 12->25         started        66 Uses ping.exe to check the status of other devices and networks 16->66 27 reg.exe 1 1 16->27         started        29 PING.EXE 1 16->29         started        32 conhost.exe 16->32         started        signatures8 process9 dnsIp10 52 Multi AV Scanner detection for dropped file 18->52 54 Writes to foreign memory regions 18->54 56 Tries to delay execution (extensive OutputDebugStringW loop) 18->56 60 2 other signatures 18->60 34 AddInProcess32.exe 18->34         started        58 Creates an undocumented autostart registry key 27->58 42 127.0.0.1 unknown unknown 29->42 signatures11 process12
Threat name:
Win32.Backdoor.Remcos
Status:
Suspicious
First seen:
2025-04-17 08:44:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
43
AV detection:
26 of 36 (72.22%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection credential_access defense_evasion discovery execution persistence rat stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Drops file in Windows directory
Launches sc.exe
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks computer location settings
Executes dropped EXE
Stops running service(s)
Uses browser remote debugging
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Modifies WinLogon for persistence
Remcos
Remcos family
Malware Config
C2 Extraction:
bartsbee.kozow.com:6299
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
bcd1c816b9e32f30b205d3e311dbdadd97d4a85e4448fac94a1b178cbf8ba3b2
MD5 hash:
6c1ca2636e7ede7e94a08b2c14836ef3
SHA1 hash:
4ff7fe018fdc7ce4af0be559466ed81d800411a8
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_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(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 bcd1c816b9e32f30b205d3e311dbdadd97d4a85e4448fac94a1b178cbf8ba3b2

(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