MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a89e4904dda9cbb86124d8479fe68113e9b927626a902f185d1c9f76cc9144d6. 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 25 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a89e4904dda9cbb86124d8479fe68113e9b927626a902f185d1c9f76cc9144d6
SHA3-384 hash: 5189d7462f42573df247e3da8de5d506a2fd647c39ff5b196e7a264b2b851289f315b5867e33e2fd9eb3eec07c5fd58c
SHA1 hash: 832f063b20ac1a0b01a3cfd64e6cf2bf9deeb74f
MD5 hash: a729e8be71ee094174219d052e254468
humanhash: london-delaware-table-island
File name:298HN.exe
Download: download sample
Signature a310Logger
Create hunting rule
File size:1'169'408 bytes
First seen:2025-09-09 05:05:02 UTC
Last seen:2025-09-15 15:03:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1895460fffad9475fda0c84755ecfee1 (307 x Formbook, 52 x AgentTesla, 36 x SnakeKeylogger)
ssdeep 24576:W5EmXFtKaL4/oFe5T9yyXYfP1ijXdaQrauZQVcsJaSE1:WPVt/LZeJbInQRaQrauZQVUS
Threatray 317 similar samples on MalwareBazaar
TLSH T15345BE027391C062FFAB96334B5AF6115BBC79260123A62F13981DB9FD701B1563E7A3
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 threatcat_ch
Tags:a310logger exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
83
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
298HN.txt
Verdict:
Suspicious activity
Analysis date:
2025-09-08 23:56:41 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e28a8fb5-c195-48bb-a5a4-a71c75bc4634

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/26408/
Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68bfb5ac6e66ba602d7946d1
Tags:
autorun autoit emotet
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug autoit compiled-script cscript evasive findstr fingerprint keylogger lolbin microsoft_visual_cc mpcmdrun packed
Link:
https://www.filescan.io/uploads/68bfb5adcfa59bfdc7f4cf2f/reports/c1af9393-4439-4977-b747-17b22579a5d0/overview
Verdict:
Malicious
Labled as:
Trojan.BAT.Agent.gen
Link:
https://www.hybrid-analysis.com/sample/a89e4904dda9cbb86124d8479fe68113e9b927626a902f185d1c9f76cc9144d6
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-09T02:14:00Z UTC
Last seen:
2025-09-09T02:14:00Z UTC
Hits:
~10
Detections:
PDM:Trojan.Win32.Generic Trojan-PSW.Win32.Stelega.sb Trojan.Win32.Strab.sb Trojan.Win32.Inject.sb HEUR:Trojan.Script.AUO.gen Trojan-Ransom.Blocker.HTTP.ServerRequest Trojan.Reconyc.HTTP.ServerRequest Trojan-PSW.Win32.Stealer.sb Trojan-PSW.Win32.DarkCloud.sb HackTool.ReconScan.TCP.ServerRequest
Link:
https://opentip.kaspersky.com/a89e4904dda9cbb86124d8479fe68113e9b927626a902f185d1c9f76cc9144d6/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/04a5e8e0-9fe0-4ec6-84bb-3d9f8b66a677
Result
Threat name:
DarkCloud
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1773699
Signature
Binary is likely a compiled AutoIt script file
Drops VBS files to the startup folder
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 dropped file
Multi AV Scanner detection for submitted file
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected DarkCloud
Yara detected Generic Dropper
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1773699 Sample: 298HN.exe Startdate: 09/09/2025 Architecture: WINDOWS Score: 100 30 showip.net 2->30 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 7 other signatures 2->40 8 298HN.exe 6 2->8         started        12 wscript.exe 1 2->12         started        signatures3 process4 file5 26 C:\Users\user\AppData\...\unfatigued.exe, PE32 8->26 dropped 48 Binary is likely a compiled AutoIt script file 8->48 50 Found API chain indicative of sandbox detection 8->50 14 unfatigued.exe 3 8->14         started        52 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->52 18 unfatigued.exe 2 12->18         started        signatures6 process7 file8 28 C:\Users\user\AppData\...\unfatigued.vbs, data 14->28 dropped 54 Multi AV Scanner detection for dropped file 14->54 56 Binary is likely a compiled AutoIt script file 14->56 58 Drops VBS files to the startup folder 14->58 60 Switches to a custom stack to bypass stack traces 14->60 20 svchost.exe 15 14->20         started        62 Writes to foreign memory regions 18->62 64 Maps a DLL or memory area into another process 18->64 24 svchost.exe 12 18->24         started        signatures9 process10 dnsIp11 32 showip.net 162.55.60.2, 49717, 49721, 80 ACPCA United States 20->32 42 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 20->42 44 System process connects to network (likely due to code injection or exploit) 24->44 46 Tries to harvest and steal browser information (history, passwords, etc) 24->46 signatures12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a89e4904dda9cbb86124d8479fe68113e9b927626a902f185d1c9f76cc9144d6
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a89e4904dda9cbb86124d8479fe68113e9b927626a902f185d1c9f76cc9144d6/
Verdict:
Malicious
Threat:
Family.DARKCLOUD
Link:
https://tip.neiki.dev/file/a89e4904dda9cbb86124d8479fe68113e9b927626a902f185d1c9f76cc9144d6
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-09-09 05:05:48 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
29 of 38 (76.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vcpesbg5vhf3qyje3bdz7zubcpu3sj3cnkic6gc5dspxnteritla._file
Verdict:
malicious
Label(s):
darkcloudstealer
Create hunting rule
Similar samples:
025c1d273e83a5e44c7a0aedb9eab452198e764b927d02463fa9c9c3bc0d3a2b
a310Logger
40eef915ba2a07c79245cf756df19409e4ec1aedb063d7a2c7bc9e587d4951d8
a310Logger
53855fe3a5c31ae94a3bfea7892bfa98e0da861a62000863d47ee25eb4a3e4de
a310Logger
a89e4904dda9cbb86124d8479fe68113e9b927626a902f185d1c9f76cc9144d6
a310Logger
cd37c70f73432edc09ba5eaddc861f58ba8574febbe4d5744b5c743631ce0165
a310Logger
error
a310Logger
+ 307 additional samples on MalwareBazaar
Result
Malware family:
darkcloud
Create hunting rule
Score:
  10/10
Tags:
family:darkcloud discovery stealer
Link:
https://tria.ge/reports/250909-fq745styey/
Behaviour
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
AutoIT Executable
Suspicious use of SetThreadContext
Drops startup file
Executes dropped EXE
DarkCloud
Darkcloud family
Malware Config
C2 Extraction:
https://api.telegram.org/bot8244207363:AAHhtKUGftoCzBZ9i5FB_qXv4P6NNmp9GoU/sendMessage?chat_id=6150016039
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e97fc734-529e-49dd-8ee3-c06a34827207
Unpacked files
SH256 hash:
a89e4904dda9cbb86124d8479fe68113e9b927626a902f185d1c9f76cc9144d6
MD5 hash:
a729e8be71ee094174219d052e254468
SHA1 hash:
832f063b20ac1a0b01a3cfd64e6cf2bf9deeb74f
Link:
https://www.unpac.me/results/bd953878-59ad-4502-ae5e-8b77ae9f1a03/
SH256 hash:
d0527795cdfed81ff224686089b3da96b67cdc21548cbb3a14fb6232c1363aff
MD5 hash:
241a4e3c3b8d329326e810042bb7191a
SHA1 hash:
e504561dc1e126f2539cb4573f8d6afa27a1a05a
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/bd953878-59ad-4502-ae5e-8b77ae9f1a03/
Malware family:
DarkCloud
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a89e4904dda9/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/a89e4904dda9cbb86124d8479fe68113e9b927626a902f185d1c9f76cc9144d6

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.

Malspam

a310Logger

Executable exe a89e4904dda9cbb86124d8479fe68113e9b927626a902f185d1c9f76cc9144d6

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/26408/

Comments