MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a55d4c3a6ff031ca6502aef0e7c59374721f9ffed5856124e583b3e433fdfb16. 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



SnakeKeylogger


Vendor detections: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: a55d4c3a6ff031ca6502aef0e7c59374721f9ffed5856124e583b3e433fdfb16
SHA3-384 hash: 275700a4021afee324111325ec97f26732e1ca19b193b62248cbcc4cc2eec40db388a5c87cef29bf7cbe2e8cb3f38ea8
SHA1 hash: 15e6e454726b5ca5740ef800ef8c63913f2e8103
MD5 hash: 988b68f0c1aee763d496e39fc24df835
humanhash: vegan-yankee-bluebird-batman
File name:Halkbank_Ekstre_20221004_08.pdf.exe
Download: download sample
Signature SnakeKeylogger
File size:999'424 bytes
First seen:2022-10-06 09:30:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:UThKiR/4ve8f7wYfa0z7VAqouazvOWbIDcIVVTG+QwzFL3Kj77JfhqJ8bQ5:ml4ve81S8Vp7DbVRGaxLm
Threatray 5'587 similar samples on MalwareBazaar
TLSH T122259E293691A54FC4138635CDD1DEB0AF946DB6932BC2439AE77D6FF80E0A79F001A1
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon ec82e8e8eab2ced8 (17 x SnakeKeylogger, 9 x Loki, 9 x AgentTesla)
Reporter abuse_ch
Tags:exe geo Halkbank SnakeKeylogger TUR

Intelligence


File Origin
# of uploads :
1
# of downloads :
214
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Halkbank_Ekstre_20221004_08.pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-10-06 12:50:15 UTC
Tags:
snake

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
packed
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.
Malware family:
Snake Keylogger
Verdict:
Malicious
Result
Threat name:
Snake Keylogger
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Snort IDS alert for network traffic
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)
Tries to harvest and steal ftp login credentials
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 Generic Downloader
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 717814 Sample: Halkbank_Ekstre_20221004_08... Startdate: 06/10/2022 Architecture: WINDOWS Score: 100 51 Snort IDS alert for network traffic 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus / Scanner detection for submitted sample 2->55 57 12 other signatures 2->57 7 Halkbank_Ekstre_20221004_08.pdf.exe 7 2->7         started        11 cDtdiDfiwq.exe 5 2->11         started        process3 file4 33 C:\Users\user\AppData\...\cDtdiDfiwq.exe, PE32 7->33 dropped 35 C:\Users\...\cDtdiDfiwq.exe:Zone.Identifier, ASCII 7->35 dropped 37 C:\Users\user\AppData\Local\...\tmp7AB2.tmp, XML 7->37 dropped 39 Halkbank_Ekstre_20221004_08.pdf.exe.log, ASCII 7->39 dropped 59 Detected unpacking (changes PE section rights) 7->59 61 Detected unpacking (overwrites its own PE header) 7->61 63 May check the online IP address of the machine 7->63 71 3 other signatures 7->71 13 Halkbank_Ekstre_20221004_08.pdf.exe 15 2 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        65 Antivirus detection for dropped file 11->65 67 Multi AV Scanner detection for dropped file 11->67 69 Machine Learning detection for dropped file 11->69 21 cDtdiDfiwq.exe 11->21         started        23 schtasks.exe 11->23         started        25 cDtdiDfiwq.exe 11->25         started        signatures5 process6 dnsIp7 41 checkip.dyndns.com 132.226.8.169, 49703, 80 UTMEMUS United States 13->41 43 checkip.dyndns.org 13->43 49 2 other IPs or domains 13->49 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        45 132.226.247.73, 49741, 80 UTMEMUS United States 21->45 47 checkip.dyndns.org 21->47 73 Tries to steal Mail credentials (via file / registry access) 21->73 75 Tries to harvest and steal ftp login credentials 21->75 77 Tries to harvest and steal browser information (history, passwords, etc) 21->77 31 conhost.exe 23->31         started        signatures8 process9
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-10-06 06:09:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
26 of 40 (65.00%)
Threat level:
  5/5
Result
Malware family:
snakekeylogger
Score:
  10/10
Tags:
family:snakekeylogger collection keylogger spyware stealer
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Snake Keylogger
Snake Keylogger payload
Malware Config
C2 Extraction:
https://api.telegram.org/bot5751029513:AAFcCTwse8CZv3roeUkdxahSto8D8mbC1m4/sendMessage?chat_id=652475543
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
fb2e7ec17d6eb32e090a7c6b8b9e42ff90ad352b17f3535e9a851f4c8ab69400
MD5 hash:
a9f88a85ae0c5d6c7827a161ecacdc06
SHA1 hash:
e142f02875d92cab82f4f03242affca1f5c6613b
SH256 hash:
1cd47a00382dd907b81f3466b543d8ac73ad6f0d72dbff74c66b2140a3e533c5
MD5 hash:
899aa20d1a3607f9fb5c2282ed331bf3
SHA1 hash:
d047ec959ac631cef2b829bd364ab919c588cfd2
SH256 hash:
5fbdcb76c77563ed3d729fdca3396169c54443253001cf9b1b6b75a0f75cdcb4
MD5 hash:
629c31e71cfa6aab7a62bef45298816c
SHA1 hash:
932da9270d08d3b97ad1fb75e3d3180481f91096
SH256 hash:
edadc813f4440ada276da601d8f31780e5e138b8ee392e3f49a509322a1fb51e
MD5 hash:
574597554c69083c1af2b742a97a92b6
SHA1 hash:
043eea660b8650c5a0042f842fd8db3516d37a2c
SH256 hash:
a55d4c3a6ff031ca6502aef0e7c59374721f9ffed5856124e583b3e433fdfb16
MD5 hash:
988b68f0c1aee763d496e39fc24df835
SHA1 hash:
15e6e454726b5ca5740ef800ef8c63913f2e8103
Malware family:
SnakeKeylogger
Verdict:
Malicious
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