MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c7376d94977591ba486c5b5e6fb4ec7bf84e13cbd37c51ae49a4935e36849a7. 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: 18


Intelligence 18 IOCs YARA 24 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1c7376d94977591ba486c5b5e6fb4ec7bf84e13cbd37c51ae49a4935e36849a7
SHA3-384 hash: 0911bf2690655a7f31bfeea8b4c87c7b516e83c041837ca3d8bc0b192b41503a25f3dd1c5a23e152249f5234f57a2ff7
SHA1 hash: c8cd9bf3139cec167a8039dd6d9f9448f46c2714
MD5 hash: e4c0ca29d0d9903c8d947c0ccafa6d1b
humanhash: romeo-single-princess-island
File name:INVOICE COPY.exe
Download: download sample
Signature a310Logger
Create hunting rule
File size:1'329'664 bytes
First seen:2026-03-11 05:42:29 UTC
Last seen:2026-03-11 12:09:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1895460fffad9475fda0c84755ecfee1 (438 x Formbook, 139 x AgentTesla, 69 x a310Logger)
ssdeep 24576:F5EmXFtKaL4/oFe5T9yyXYfP1ijXdaw2FhvtR/E29tRuJYdGXd91pLves9:FPVt/LZeJbInQRawchbRu2gpC
TLSH T19155CF0273D1C062FFAB95734B5AF6215ABC79260123EA1F13981D7ABD701B1463E7A3
TrID 29.5% (.EXE) Win64 Executable (generic) (6522/11/2)
22.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
20.3% (.EXE) Win32 Executable (generic) (4504/4/1)
9.1% (.EXE) OS/2 Executable (generic) (2029/13)
9.0% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter threatcat_ch
Tags:a310logger exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
168
Origin country :
CH CH
Vendor Threat Intelligence
Malware configuration found for:
AutoIt
Details
AutoIt
extracted scripts and files
Link:
https://research.acce.ciphertechsolutions.com/results/c42619f9-78c3-4433-ac03-5a1f39bcc6b5/
Malware family:
n/a
ID:
1
File name:
INVOICE COPY.exe
Verdict:
No threats detected
Analysis date:
2026-03-11 05:44:43 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e71855a3-2ed5-4f7e-9cad-97d0fac49102

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
A310Logger
Create hunting rule
Link:
https://www.capesandbox.com/analysis/56996/
Detection(s):
SecuriteInfo.com.Win32.Trojan.Agent.35E5V6.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69b100f5e41a5a099931f860
Tags:
autoit emotet
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug autoit compiled-script fingerprint formbook installer-heuristic keylogger masquerade microsoft_visual_cc packed unsafe
Link:
https://www.filescan.io/uploads/69b100f397feb4afd67d4e6e/reports/6049f302-5142-4bae-89dd-ac7af182ab52/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/1c7376d94977591ba486c5b5e6fb4ec7bf84e13cbd37c51ae49a4935e36849a7
Verdict:
Malicious
File Type:
exe x32
Detections:
Trojan-Spy.Agent.SMTP.C&C Trojan-PSW.Win32.Stelega.sb Trojan-PSW.Win32.Stealer.sb Trojan-Dropper.Win32.Injector.sb Trojan.Win32.Agent.sb Trojan-PSW.Win32.DarkCloud.sb VHO:Trojan.Win64.Injects.iaz Trojan.Win32.Strab.sb Trojan.Win32.Inject.sb Trojan.MSIL.Donut.sb PDM:Trojan.Win32.Generic Backdoor.Win32.Androm.sb NetTool.PlainTextCredentials.SMTP.C&C Trojan.Win64.Injects.iaz
Link:
https://opentip.kaspersky.com/1c7376d94977591ba486c5b5e6fb4ec7bf84e13cbd37c51ae49a4935e36849a7/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4961b680-1dc7-417c-ad41-de45317cf5c8
Result
Threat name:
DarkCloud
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1881617
Signature
Binary is likely a compiled AutoIt script file
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Sample uses string decryption to hide its real strings
Switches to a custom stack to bypass stack traces
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)
Writes to foreign memory regions
Yara detected DarkCloud
Yara detected Generic Dropper
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1c7376d94977591ba486c5b5e6fb4ec7bf84e13cbd37c51ae49a4935e36849a7
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/e4c0ca29d0d9903c8d947c0ccafa6d1b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1c7376d94977591ba486c5b5e6fb4ec7bf84e13cbd37c51ae49a4935e36849a7/
Verdict:
Malicious
Threat:
Family.DARKCLOUD
Link:
https://tip.neiki.dev/file/1c7376d94977591ba486c5b5e6fb4ec7bf84e13cbd37c51ae49a4935e36849a7
Threat name:
Win32.Trojan.ShellcodeCrypter
Create hunting rule
Status:
Malicious
First seen:
2026-03-11 01:57:44 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=drzxnwkjo5mrxjegyw26n62oy67yjyj4xu34kgxetjetly3ijgtq._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 persistence stealer
Link:
https://tria.ge/reports/260311-gepn4ae15y/
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Drops file in System32 directory
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
DarkCloud
Darkcloud family
Unpacked files
SH256 hash:
1c7376d94977591ba486c5b5e6fb4ec7bf84e13cbd37c51ae49a4935e36849a7
MD5 hash:
e4c0ca29d0d9903c8d947c0ccafa6d1b
SHA1 hash:
c8cd9bf3139cec167a8039dd6d9f9448f46c2714
Link:
https://www.unpac.me/results/246ae2f3-7579-492e-a9c1-1af19cdd3c3e/
SH256 hash:
4ff1f0ed9795f7f3990891bd6cf7e3dd317de240958b6a4731606aa0c5d61220
MD5 hash:
c3fbc8c17b8cd7ca439510ef778a0114
SHA1 hash:
1a6afa791ac54abc7235db2e3d31eb15824f9d84
Detections:
darkcloudstealer
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
MALWARE_Win_A310Logger
Create hunting rule
MALWARE_Win_DarkCloud
Create hunting rule
Link:
https://www.unpac.me/results/246ae2f3-7579-492e-a9c1-1af19cdd3c3e/
Parent samples :
8d9f8265ce85222ef929005522d3c45fc185cccd1ffca0b365ef3b2b165d7868
d38ef5cbcaca37040e9b629a5f9fc3179c171c80643808bd364f7312fdce236d
f583ffd3f8a32243ed872e8a123f8ac6aa84d506d34a8792edd5e9ee41ba6c7c
1c7376d94977591ba486c5b5e6fb4ec7bf84e13cbd37c51ae49a4935e36849a7
a9c13daf86047d15238ba16b3f38c419e3b863fa6cf2bd49ceb12e517b7db2d3
76a6874c692e69f4e3c73b82515537033dbc4fd5f1628b9c40580c5231668271
394428d680417d0ed67819e3f29e0bd472d56fae49615106ca2c426a6336e6f5
SH256 hash:
3b75425895af4ae3186b36277553641e37ca1d620ae18d68e40d13351b54de6a
MD5 hash:
94d1531b52774dce52a89e33646d5b1d
SHA1 hash:
29bf887b025b97bd7a9e1e261852ba824234a625
Link:
https://www.unpac.me/results/246ae2f3-7579-492e-a9c1-1af19cdd3c3e/
Malware family:
DarkCloud
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1c7376d94977/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/1c7376d94977591ba486c5b5e6fb4ec7bf84e13cbd37c51ae49a4935e36849a7

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_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
Create hunting rule
Author:YungBinary
Description:https://x.com/YungBinary/status/1971585972912689643
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_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:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:TelegramAPIMalware_PowerShell_EXE
Create hunting rule
Author:@polygonben
Description:Hunting for pwsh malware using Telegram for C2
Rule name:telegram_bot_api
Create hunting rule
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:TH_Generic_MassHunt_Win_Malware_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Windows malware mass-hunt rule - 2025
Reference:https://cyfare.net/
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
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.

Malspam

a310Logger

Executable exe 1c7376d94977591ba486c5b5e6fb4ec7bf84e13cbd37c51ae49a4935e36849a7

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/56996/

Comments