MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81aaa4374132fce34696a55cac25f3ab2fcca844500f88d13e4f217cde9349ec. 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: 19


Intelligence 19 IOCs YARA 24 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81aaa4374132fce34696a55cac25f3ab2fcca844500f88d13e4f217cde9349ec
SHA3-384 hash: bd6deef3c02f9dabf3acacfa9fa3fbb4d6e856c437e8acc9973e7fac5d0eda0c4a97f6685e10dc759f5c6a7c91119248
SHA1 hash: ce3677472dd2d6cda16f0e32d4261e908f065f98
MD5 hash: e2fe41164e4633af641c8fcf8941226f
humanhash: steak-wisconsin-arkansas-shade
File name:Comprobante de pago (BBVA).exe
Download: download sample
Signature a310Logger
Create hunting rule
File size:1'165'312 bytes
First seen:2025-09-02 08:21:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1895460fffad9475fda0c84755ecfee1 (307 x Formbook, 52 x AgentTesla, 36 x SnakeKeylogger)
ssdeep 24576:m5EmXFtKaL4/oFe5T9yyXYfP1ijXdapsas9AznetfA:mPVt/LZeJbInQRapspv
TLSH T16C45BE0273D1D062FFAB91334B5AF6115ABC79260123A62F13981DB9BE701B1563E7A3
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter abuse_ch
Tags:a310logger BBVA exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
72
Origin country :
SE SE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ComprobantedepagoBBVA.exe
Verdict:
No threats detected
Analysis date:
2025-09-02 08:26:21 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/007c136f-32b6-4ebe-89d5-4d7053060f48

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
DarkCloud
Create hunting rule
Link:
https://www.capesandbox.com/analysis/24677/
Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68b6a9543e988eb6ab839262
Tags:
autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Restart of the analyzed sample
Launching a process
Сreating synchronization primitives
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
DNS request
Connection attempt
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context autoit compiled-script evasive fingerprint keylogger lolbin microsoft_visual_cc obfuscated packed packed packer_detected squirrel threat
Link:
https://www.filescan.io/uploads/68b6a96d564e61a821548291/reports/a7db3463-d938-471f-8210-45ecdc080d85/overview
Verdict:
Malicious
Labled as:
TR/AD.DarkCloudSteal
Link:
https://www.hybrid-analysis.com/sample/81aaa4374132fce34696a55cac25f3ab2fcca844500f88d13e4f217cde9349ec
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-01T11:59:00Z UTC
Last seen:
2025-09-01T11:59:00Z UTC
Hits:
~100
Detections:
Trojan-PSW.Win32.Stelega.sb Trojan-PSW.Win32.Greedy.sb Trojan-PSW.Win32.DarkCloud.sb Trojan.Win32.Strab.sb Trojan.Win32.Inject.sb Trojan.MSIL.Donut.sb HEUR:Trojan.Script.AUO.gen
Link:
https://opentip.kaspersky.com/81aaa4374132fce34696a55cac25f3ab2fcca844500f88d13e4f217cde9349ec/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3e5f754e-7154-4752-b53d-edd6dba1ef2e
Result
Threat name:
DarkCloud
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1769321
Signature
Binary is likely a compiled AutoIt script file
Found API chain indicative of sandbox detection
Found malware configuration
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
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Writes to foreign memory regions
Yara detected DarkCloud
Yara detected Generic Dropper
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/81aaa4374132fce34696a55cac25f3ab2fcca844500f88d13e4f217cde9349ec
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PDB Path PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86
Link:
https://app.malva.re/file/e2fe41164e4633af641c8fcf8941226f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81aaa4374132fce34696a55cac25f3ab2fcca844500f88d13e4f217cde9349ec/
Verdict:
Malicious
Threat:
Family.DARKCLOUD
Link:
https://tip.neiki.dev/file/81aaa4374132fce34696a55cac25f3ab2fcca844500f88d13e4f217cde9349ec
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-09-01 15:04:41 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qgvkin2bgl6ogruwuvokyjptvmx4zkcekahyruj6j4qxzxutjhwa._file
Verdict:
malicious
Label(s):
darkcloudstealer
Create hunting rule
Similar samples:
error
a310Logger
Result
Malware family:
darkcloud
Create hunting rule
Score:
  10/10
Tags:
family:darkcloud discovery stealer
Link:
https://tria.ge/reports/250902-kafr6sfl9y/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
DarkCloud
Darkcloud family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0f19ac26-eb2e-4636-8f5d-e25069081849
Unpacked files
SH256 hash:
81aaa4374132fce34696a55cac25f3ab2fcca844500f88d13e4f217cde9349ec
MD5 hash:
e2fe41164e4633af641c8fcf8941226f
SHA1 hash:
ce3677472dd2d6cda16f0e32d4261e908f065f98
Link:
https://www.unpac.me/results/6e9c530c-9e44-41f7-9967-7b0da5978181/
SH256 hash:
206022f6a98ffd3ed53150cfb297bf2c7b59b5da1fbb9080734b6621128dc29f
MD5 hash:
c2ba0f62557fd0ca15520998c95622ae
SHA1 hash:
c057a6dfa82aaff8c8d3e0231951748e34f9d64d
Detections:
darkcloudstealer
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_CC_Regex
Create hunting rule
MALWARE_Win_A310Logger
Create hunting rule
MALWARE_Win_DarkCloud
Create hunting rule
Link:
https://www.unpac.me/results/6e9c530c-9e44-41f7-9967-7b0da5978181/
Parent samples :
81aaa4374132fce34696a55cac25f3ab2fcca844500f88d13e4f217cde9349ec
f152904e5d22122a4ccaa29fb03fbaf06fe030b319ee4fa6d10c30ad895b18c8
e46c9489a12a2b616ffe154da4fa43457a61c70442332b8642fde73a69f22fdd
1aa8a0d186840fc2a6cf512d3064808b6ad405a12479842e93169bf479a0dc33
b21399e4283631c68a3e60d3f826df09815e8bbb50e1790b8266bad03f9b5b7d
Malware family:
DarkCloud
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/81aaa4374132/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/81aaa4374132fce34696a55cac25f3ab2fcca844500f88d13e4f217cde9349ec

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:darkcloud_stealer
Create hunting rule
Author:Michelle Khalil
Description:This rule detects unpacked darkcloud malware samples.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_CC_Regex
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing credit card regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MALWARE_Win_A310Logger
Create hunting rule
Author:ditekSHen
Description:Detects A310Logger
Rule name:MALWARE_Win_DarkCloud
Create hunting rule
Author:ditekSHen
Description:Detects DarkCloud infostealer
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:ProtectSharewareV11eCompservCMS
Create hunting rule
Author:malware-lu
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vba
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:telegram_bot_api
Create hunting rule
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:Windows_Trojan_DarkCloud_9905abce
Create hunting rule
Author:Elastic Security

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/24677/

Comments