MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2de3ca55b66d8eb4e1968d8b94fefe030bf6ba5a887817877c8c6e6b4246bcd. 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



a310Logger


Vendor detections: 20


Intelligence 20 IOCs YARA 12 File information Comments

SHA256 hash: a2de3ca55b66d8eb4e1968d8b94fefe030bf6ba5a887817877c8c6e6b4246bcd
SHA3-384 hash: 912090c4ce8d2136ab8859edb503d0965831c0cc9d2b69f42f41acbd26c00bcc4e5f1d30e3a3f04898dabd5fba7be442
SHA1 hash: 99e07243cecb9104ebf638e0df3d2908f4bf45dc
MD5 hash: 2349c46880fcba69dc19d408b5ee9cef
humanhash: venus-california-nebraska-oven
File name:Comprobante de pago (BBVA PAGOS).exe
Download: download sample
Signature a310Logger
File size:1'016'320 bytes
First seen:2025-06-20 07:23:37 UTC
Last seen:2025-07-07 14:24:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:sXxVb6zdPxjrOsZ+4dfWgQIxKoxJ2glqS2s0P:cxl6zzz/sFIooOuqJs
Threatray 1'273 similar samples on MalwareBazaar
TLSH T1E32512503263D813C8C947B549A5C7B652749FDEA113C30FAAEE7CAFBA0679634943C2
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 lowmal3
Tags:a310logger exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
418
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Comprobante de pago (BBVA PAGOS).exe
Verdict:
Malicious activity
Analysis date:
2025-06-20 07:36:19 UTC
Tags:
netreactor stealer evasion darkcloud upx

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
spawn shell hype
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
net_reactor obfuscated packed packed packer_detected vbnet
Result
Threat name:
DarkCloud
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected DarkCloud
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1719129 Sample: Comprobante de pago (BBVA P... Startdate: 20/06/2025 Architecture: WINDOWS Score: 100 49 showip.net 2->49 61 Malicious sample detected (through community Yara rule) 2->61 63 Antivirus / Scanner detection for submitted sample 2->63 65 Sigma detected: Scheduled temp file as task from temp location 2->65 67 8 other signatures 2->67 8 Comprobante de pago (BBVA PAGOS).exe 7 2->8         started        12 dCkdGbcQvjX.exe 5 2->12         started        14 svchost.exe 2->14         started        signatures3 process4 dnsIp5 39 C:\Users\user\AppData\...\dCkdGbcQvjX.exe, PE32 8->39 dropped 41 C:\Users\...\dCkdGbcQvjX.exe:Zone.Identifier, ASCII 8->41 dropped 43 C:\Users\user\AppData\Local\...\tmp7651.tmp, XML 8->43 dropped 45 Comprobante de pago (BBVA PAGOS).exe.log, ASCII 8->45 dropped 69 Adds a directory exclusion to Windows Defender 8->69 71 Injects a PE file into a foreign processes 8->71 17 Comprobante de pago (BBVA PAGOS).exe 75 8->17         started        21 powershell.exe 23 8->21         started        23 schtasks.exe 1 8->23         started        73 Antivirus detection for dropped file 12->73 75 Multi AV Scanner detection for dropped file 12->75 25 dCkdGbcQvjX.exe 66 12->25         started        27 schtasks.exe 1 12->27         started        29 dCkdGbcQvjX.exe 12->29         started        51 127.0.0.1 unknown unknown 14->51 file6 signatures7 process8 dnsIp9 47 showip.net 162.55.60.2, 49681, 49682, 80 ACPCA United States 17->47 53 Loading BitLocker PowerShell Module 21->53 31 WmiPrvSE.exe 21->31         started        33 conhost.exe 21->33         started        35 conhost.exe 23->35         started        55 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 25->55 57 Tries to steal Mail credentials (via file / registry access) 25->57 59 Tries to harvest and steal browser information (history, passwords, etc) 25->59 37 conhost.exe 27->37         started        signatures10 process11
Verdict:
Malware
YARA:
5 match(es)
Tags:
.Net Obfuscator .Net Reactor Executable PE (Portable Executable) Win 32 Exe x86
Threat name:
Win32.Trojan.Taskun
Status:
Malicious
First seen:
2025-06-19 16:03:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Result
Malware family:
darkcloud
Score:
  10/10
Tags:
family:darkcloud discovery execution spyware stealer
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
DarkCloud
Darkcloud family
Unpacked files
SH256 hash:
a2de3ca55b66d8eb4e1968d8b94fefe030bf6ba5a887817877c8c6e6b4246bcd
MD5 hash:
2349c46880fcba69dc19d408b5ee9cef
SHA1 hash:
99e07243cecb9104ebf638e0df3d2908f4bf45dc
SH256 hash:
611213b54662447b5d813cf795e1fdab84dbb804f43c9a0311268ccb2645f08d
MD5 hash:
5cecce40da260e7f6a8ca72b9f74e777
SHA1 hash:
4a9ae07c44dff4234a0feb147569501206d3264c
Detections:
MALWARE_Win_A310Logger
SH256 hash:
cbeb7b39c02f9fe66102d0b7326175bc72f0f0bbc8064225f793693454e4cb6c
MD5 hash:
7971cdfb929a8fa16055eddb86dcad92
SHA1 hash:
cf566c848c0dc797cfbfc881743d776c00d683a3
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
3b75425895af4ae3186b36277553641e37ca1d620ae18d68e40d13351b54de6a
MD5 hash:
94d1531b52774dce52a89e33646d5b1d
SHA1 hash:
29bf887b025b97bd7a9e1e261852ba824234a625
Malware family:
DarkCloud
Verdict:
Malicious
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:MALWARE_Win_A310Logger
Author:ditekSHen
Description:Detects A310Logger
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:ProtectSharewareV11eCompservCMS
Author:malware-lu
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:Runtime_Broker_Variant_1
Author:Sn0wFr0$t
Description:Detecting malicious Runtime Broker
Rule name:SEH__vba
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
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)
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:Windows_Trojan_DarkCloud_9905abce
Author:Elastic Security

File information


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

Malspam

a310Logger

Executable exe a2de3ca55b66d8eb4e1968d8b94fefe030bf6ba5a887817877c8c6e6b4246bcd

(this sample)

  
Delivery method
Distributed via e-mail attachment

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