MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec00fef0a4b089daaad9bf08c5d195cf291adb2330989d1045dfa12c23783301. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ec00fef0a4b089daaad9bf08c5d195cf291adb2330989d1045dfa12c23783301
SHA3-384 hash: 9f594455b662021c5ce4e2af7627eb21d906e6ad7d32e08c7458cfa3e8a17e3578f8bbaff174599309305ed429b24f7b
SHA1 hash: 92bd01624dc9021a04025a52fe62fbb73ab86b1f
MD5 hash: 3189cf810e805db8334aa879d751edfd
humanhash: orange-mike-video-low
File name:Halkbank.pdf.exe
Download: download sample
Signature a310Logger
Create hunting rule
File size:939'008 bytes
First seen:2025-12-08 16:58:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:WrlbSmd/Kz4ZJhngavJ2OmE5Dl6iSLf/f:ylxgSngaIOpMnLP
Threatray 18 similar samples on MalwareBazaar
TLSH T1F815F1D43A26B31ADE650A34D578EDBA82F91E7870117EFA59DD3B4B399C2109D0CF02
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 abuse_ch
Tags:a310logger exe geo Halkbank TUR

Intelligence

File Origin
# of uploads :
1
# of downloads :
95
Origin country :
SE SE
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/7276273e-c764-4d42-a636-d59ec78faa68/
Malware family:
n/a
ID:
1
File name:
_ec00fef0a4b089daaad9bf08c5d195cf291adb2330989d1045dfa12c23783301.exe
Verdict:
Malicious activity
Analysis date:
2025-12-08 17:39:51 UTC
Tags:
auto-sch-xml darkcloud crypto-regex upx
Link:
https://app.any.run/tasks/d504111f-6af9-47ee-9dee-2d83f96fc02d

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/43892/
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=693703ee881313558a2ba0f7
Tags:
underscore extens shell hype
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
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
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/ec00fef0a4b089daaad9bf08c5d195cf291adb2330989d1045dfa12c23783301
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-08T04:21:00Z UTC
Last seen:
2025-12-10T10:49:00Z UTC
Hits:
~1000
Detections:
Trojan-PSW.TeleBot.HTTP.C&C Trojan.MSIL.Taskun.sb Trojan.MSIL.Inject.sb HEUR:Trojan.MSIL.Taskun.sb Trojan-PSW.Win32.Stealer.sb PDM:Trojan.Win32.Generic PDM:Trojan.Win32.Badex.d HEUR:Trojan-PSW.MSIL.Agensla.gen Trojan-PSW.Win32.Stelega.sb Trojan-PSW.Win32.DarkCloud.sb not-a-virus:PDM:AdWare.Win32.Vopak.a HackTool.ReconScan.TCP.ServerRequest
Link:
https://opentip.kaspersky.com/ec00fef0a4b089daaad9bf08c5d195cf291adb2330989d1045dfa12c23783301/results?tab=lookup
Result
Threat name:
DarkCloud
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1829030
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Changes security center settings (notifications, updates, antivirus, firewall)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Double Extension File Execution
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 an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AntiVM3
Yara detected DarkCloud
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1829030 Sample: Halkbank.pdf.exe Startdate: 08/12/2025 Architecture: WINDOWS Score: 100 94 api.telegram.org 2->94 96 showip.net 2->96 98 2 other IPs or domains 2->98 110 Found malware configuration 2->110 112 Malicious sample detected (through community Yara rule) 2->112 114 Antivirus detection for dropped file 2->114 118 13 other signatures 2->118 10 Halkbank.pdf.exe 7 2->10         started        14 egqYHVxZYW.exe 2->14         started        signatures3 116 Uses the Telegram API (likely for C&C communication) 94->116 process4 file5 78 C:\Users\user\AppData\...\egqYHVxZYW.exe, PE32 10->78 dropped 80 C:\Users\...\egqYHVxZYW.exe:Zone.Identifier, ASCII 10->80 dropped 82 C:\Users\user\AppData\Local\...\tmp38BD.tmp, XML 10->82 dropped 84 C:\Users\user\...\Halkbank.pdf.exe.log, ASCII 10->84 dropped 120 Uses schtasks.exe or at.exe to add and modify task schedules 10->120 122 Adds a directory exclusion to Windows Defender 10->122 124 Injects a PE file into a foreign processes 10->124 16 Halkbank.pdf.exe 3 55 10->16         started        21 powershell.exe 23 10->21         started        23 powershell.exe 23 10->23         started        29 2 other processes 10->29 126 Multi AV Scanner detection for dropped file 14->126 25 egqYHVxZYW.exe 14->25         started        27 schtasks.exe 14->27         started        signatures6 process7 dnsIp8 88 showip.net 162.55.60.2, 49723, 49724, 49781 ACPCA United States 16->88 72 C:\Users\user\AppData\...\chrome.exe (copy), PE32 16->72 dropped 74 C:\Users\user\AppData\...\Project1.exe, PE32 16->74 dropped 76 C:\Users\user\AppData\...\hermeneut.exe, PE32 16->76 dropped 100 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->100 102 Tries to steal Mail credentials (via file / registry access) 16->102 104 Tries to harvest and steal browser information (history, passwords, etc) 16->104 31 chrome.exe 16->31         started        34 Google-Chrome.exe 16->34         started        36 Google-Chrome.exe 16->36         started        46 7 other processes 16->46 106 Loading BitLocker PowerShell Module 21->106 48 2 other processes 21->48 38 conhost.exe 23->38         started        90 api.telegram.org 149.154.167.220, 443, 49739, 49773 TELEGRAMRU United Kingdom 25->90 92 gdcrl.godaddy.com.akadns.net 192.124.249.36, 49741, 49775, 49867 SUCURI-SECUS United States 25->92 40 taskkill.exe 25->40         started        42 conhost.exe 27->42         started        108 Changes security center settings (notifications, updates, antivirus, firewall) 29->108 44 conhost.exe 29->44         started        file9 signatures10 process11 file12 86 C:\Program Filesbehaviorgraphoogle\...behaviorgraphoogle-Chrome.exe, PE32+ 31->86 dropped 50 Google-Chrome.exe 31->50         started        52 conhost.exe 34->52         started        54 WerFault.exe 34->54         started        56 conhost.exe 36->56         started        58 WerFault.exe 36->58         started        60 conhost.exe 40->60         started        62 conhost.exe 46->62         started        64 conhost.exe 46->64         started        66 5 other processes 46->66 process13 process14 68 conhost.exe 50->68         started        70 WerFault.exe 50->70         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ec00fef0a4b089daaad9bf08c5d195cf291adb2330989d1045dfa12c23783301
Verdict:
inconclusive
YARA:
6 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.39 Win 32 Exe x86
Link:
https://app.malva.re/file/3189cf810e805db8334aa879d751edfd
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ec00fef0a4b089daaad9bf08c5d195cf291adb2330989d1045dfa12c23783301/
Verdict:
Malicious
Threat:
Family.DARKCLOUD
Link:
https://tip.neiki.dev/file/ec00fef0a4b089daaad9bf08c5d195cf291adb2330989d1045dfa12c23783301
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2025-12-08 10:21:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5qap54fewce5vkwzx4emlumvz4urvwzdgcmj2ecf36qsyi3ygmaq._file
Verdict:
malicious
Label(s):
darkcloudstealer
Create hunting rule
Similar samples:
34c4142c1ce499a86d75d293dc49bdbdc7f98f7d5dbe95a5947315e37a94a4c9
a310Logger
9fe7289e6e6eff48961ebe44aed0440e21d35702da284c34f4ef8c37b6ad7419
a310Logger
ce8bb22be29d0043943e2a2a0516d6138aae58dafcd9ad76236a4510e693d9f0
a310Logger
ecd80dc690eee6d7f89ad7f036aed2000c548440fabd8df91ab539307eb317aa
a310Logger
+ 8 additional samples on MalwareBazaar
Result
Malware family:
darkcloud
Create hunting rule
Score:
  10/10
Tags:
family:darkcloud discovery execution persistence stealer
Link:
https://tria.ge/reports/251208-vhha3sypez/
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
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
DarkCloud
Darkcloud family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c42ada9d-f558-4998-b188-ee8d58eeb0c9
Unpacked files
SH256 hash:
ec00fef0a4b089daaad9bf08c5d195cf291adb2330989d1045dfa12c23783301
MD5 hash:
3189cf810e805db8334aa879d751edfd
SHA1 hash:
92bd01624dc9021a04025a52fe62fbb73ab86b1f
Link:
https://www.unpac.me/results/24832046-84dd-4e1e-8ef6-cd55b6f979e7/
SH256 hash:
a562de6942d0df32a71d12ea88e2ef93147de0c231d592ba62701370e87d2a3a
MD5 hash:
c5bcf1136195b589f92accd25df56679
SHA1 hash:
49b15a61538c408978b2f25e9d3a1a53dda2033d
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/24832046-84dd-4e1e-8ef6-cd55b6f979e7/
SH256 hash:
71e72160e48062cdfd30e7f2afa69210b8089dcc36a5bc0e95db7444ca4bad47
MD5 hash:
896ff4cef7d8f9313d7e73cc96b167f8
SHA1 hash:
8d9f9c87bb69c1f01ff5c9b34180e22cfc87a2cd
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/24832046-84dd-4e1e-8ef6-cd55b6f979e7/
SH256 hash:
efb6a13171efda5436a296f735066a438a281d0c38a63831d59c9bb86ed4e1cb
MD5 hash:
03be1634a292fb3b9dd147fc52404a43
SHA1 hash:
9b814356f9cf32900e28e1a3ba69018b7b31c471
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/24832046-84dd-4e1e-8ef6-cd55b6f979e7/
Parent samples :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 hash:
3b75425895af4ae3186b36277553641e37ca1d620ae18d68e40d13351b54de6a
MD5 hash:
94d1531b52774dce52a89e33646d5b1d
SHA1 hash:
29bf887b025b97bd7a9e1e261852ba824234a625
Link:
https://www.unpac.me/results/24832046-84dd-4e1e-8ef6-cd55b6f979e7/
Malware family:
DarkCloud
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ec00fef0a4b0/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/ec00fef0a4b089daaad9bf08c5d195cf291adb2330989d1045dfa12c23783301

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
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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/43892/

Comments