MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f08318090a1dd5d08d0ebe5b2ef3d2a9aa2f54cb5b30db64773756b50bd21e9. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: 8f08318090a1dd5d08d0ebe5b2ef3d2a9aa2f54cb5b30db64773756b50bd21e9
SHA3-384 hash: fdb0f9a199862acee078b838b4c860aaed8ae01f0908309ddb42496caa26dab6ab75b0cfb08d3282f15537ec6a2f19e4
SHA1 hash: 98b111f3f779b0c25eabdeeb0d5b9c2db8e6f46e
MD5 hash: cba31acc00740bbb9ecb71c3b367b8ec
humanhash: may-nineteen-eighteen-avocado
File name:Halkbank_Ekstre_20221009_080900_117636.pdf.exe
Download: download sample
Signature a310Logger
File size:1'230'848 bytes
First seen:2022-10-10 07:26:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:AjA21whiCDbsRqHIEPdplOFdb5P6b769gg2IGtL82RdHCk:AE2ChFYRspItP6b1g2Dtt
Threatray 3'127 similar samples on MalwareBazaar
TLSH T160456ABA22C58507D4247532C487D5B32AFBAD506162D2CB6AD73F2FBC412BF951338A
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter Anonymous
Tags:a310logger exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
223
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
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
Drops PE files to the user root directory
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
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
Writes or reads registry keys via WMI
Yara detected AntiVM3
Yara detected DarkCloud
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 720086 Sample: Halkbank_Ekstre_20221009_08... Startdate: 11/10/2022 Architecture: WINDOWS Score: 100 46 Malicious sample detected (through community Yara rule) 2->46 48 Sigma detected: Scheduled temp file as task from temp location 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 8 other signatures 2->52 7 Halkbank_Ekstre_20221009_080900_117636.pdf.exe 7 2->7         started        11 ygCpcKOh.exe 5 2->11         started        process3 file4 34 C:\Users\user\AppData\Roaming\ygCpcKOh.exe, PE32 7->34 dropped 36 C:\Users\...\ygCpcKOh.exe:Zone.Identifier, ASCII 7->36 dropped 38 C:\Users\user\AppData\Local\...\tmpEDDD.tmp, XML 7->38 dropped 40 Halkbank_Ekstre_20..._117636.pdf.exe.log, ASCII 7->40 dropped 56 May check the online IP address of the machine 7->56 58 Drops PE files to the user root directory 7->58 60 Uses schtasks.exe or at.exe to add and modify task schedules 7->60 62 Adds a directory exclusion to Windows Defender 7->62 13 Halkbank_Ekstre_20221009_080900_117636.pdf.exe 15 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        64 Multi AV Scanner detection for dropped file 11->64 66 Machine Learning detection for dropped file 11->66 68 Writes or reads registry keys via WMI 11->68 21 ygCpcKOh.exe 13 11->21         started        24 schtasks.exe 1 11->24         started        26 ygCpcKOh.exe 11->26         started        signatures5 process6 dnsIp7 44 showip.net 162.55.60.2, 49697, 49699, 80 ACPCA United States 13->44 42 C:\Users\Public\vbsqlite3.dll, PE32 13->42 dropped 28 conhost.exe 17->28         started        30 conhost.exe 19->30         started        54 Tries to harvest and steal browser information (history, passwords, etc) 21->54 32 conhost.exe 24->32         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.RemLoader
Status:
Malicious
First seen:
2022-10-10 07:27:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
3b75425895af4ae3186b36277553641e37ca1d620ae18d68e40d13351b54de6a
MD5 hash:
94d1531b52774dce52a89e33646d5b1d
SHA1 hash:
29bf887b025b97bd7a9e1e261852ba824234a625
SH256 hash:
7f72c314b5f0064946da8a6785931485066d086b320331ec5d8769bdec549280
MD5 hash:
569332c331b87614140305f2a09bbd52
SHA1 hash:
070d7a49d10a2e547ed743b5aa3661570f137e48
SH256 hash:
29fc01ecf9194c4f4f06de88ae49d92592f5b4430b76f288ee2b19ef9661fb80
MD5 hash:
b64621da0491e9f17bdb41bcc5951c34
SHA1 hash:
f908dea021476a02be84919bd2199f1adcbbbeea
SH256 hash:
8f653b29e047abe73cfbf159266c89b845de80cada5cde7400c15f933cd7f321
MD5 hash:
bb9628bc8e32e017479bdaf2a4e0d083
SHA1 hash:
45e9cbd1fb281f5c4f9840331fe6f76e82c34d19
SH256 hash:
1383999cb3682a0a0a54fad8a8e3f0fda2d4ce6422fa35286cece258aa1844a1
MD5 hash:
d891ee2f90e3392ee593067a038f3335
SHA1 hash:
347e96ac60f38938b0061ce5c21bec28c87f71f9
SH256 hash:
edadc813f4440ada276da601d8f31780e5e138b8ee392e3f49a509322a1fb51e
MD5 hash:
574597554c69083c1af2b742a97a92b6
SHA1 hash:
043eea660b8650c5a0042f842fd8db3516d37a2c
SH256 hash:
8f08318090a1dd5d08d0ebe5b2ef3d2a9aa2f54cb5b30db64773756b50bd21e9
MD5 hash:
cba31acc00740bbb9ecb71c3b367b8ec
SHA1 hash:
98b111f3f779b0c25eabdeeb0d5b9c2db8e6f46e
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments