MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2c1f0f9c197a419ea458a06bc1edd3bab8c80baa4f8bdadcfe8dbff6edb14fe8. 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: 2c1f0f9c197a419ea458a06bc1edd3bab8c80baa4f8bdadcfe8dbff6edb14fe8
SHA3-384 hash: e40964642fa8f7d8e019d9a4c521c0ff662e0d76aa5b8e0465393fef02c79e6bc13ef348877dbeee50d8ba7c74fcfda2
SHA1 hash: 0a29877b3e39e6c296f736d0404238b8e9d50bdb
MD5 hash: f71798b749f7b43d4674317d8f6121aa
humanhash: burger-king-beer-september
File name:Halkbank_Ekstre_20221011_08.pdf.exe
Download: download sample
Signature SnakeKeylogger
File size:1'006'592 bytes
First seen:2022-10-11 20:17:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:MBHtJyTpMgeaUYm8JcF94ae9BXcud6AtQy4A:knyNMRaUle9PbX
Threatray 2'871 similar samples on MalwareBazaar
TLSH T114256B7E2A9A4907D8157131C487D1F32AFBAE506061D2CB6AD72F1FBC512BF950338A
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 9aa298d4d4b8a29a (18 x SnakeKeylogger, 10 x Formbook, 5 x Loki)
Reporter GovCERT_CH
Tags:exe SnakeKeylogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
252
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Result
Verdict:
MALICIOUS
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 contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
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 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: 720916 Sample: Halkbank_Ekstre_20221011_08... Startdate: 11/10/2022 Architecture: WINDOWS Score: 100 51 Snort IDS alert for network traffic 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Sigma detected: Scheduled temp file as task from temp location 2->55 57 12 other signatures 2->57 7 Halkbank_Ekstre_20221011_08.pdf.exe 7 2->7         started        11 xmaoYvpeLbHusr.exe 5 2->11         started        process3 file4 33 C:\Users\user\AppData\...\xmaoYvpeLbHusr.exe, PE32 7->33 dropped 35 C:\...\xmaoYvpeLbHusr.exe:Zone.Identifier, ASCII 7->35 dropped 37 C:\Users\user\AppData\Local\...\tmp8350.tmp, XML 7->37 dropped 39 Halkbank_Ekstre_20221011_08.pdf.exe.log, ASCII 7->39 dropped 59 May check the online IP address of the machine 7->59 61 Uses schtasks.exe or at.exe to add and modify task schedules 7->61 63 Adds a directory exclusion to Windows Defender 7->63 65 Injects a PE file into a foreign processes 7->65 13 Halkbank_Ekstre_20221011_08.pdf.exe 15 2 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        67 Machine Learning detection for dropped file 11->67 21 xmaoYvpeLbHusr.exe 11->21         started        23 schtasks.exe 1 11->23         started        25 xmaoYvpeLbHusr.exe 11->25         started        signatures5 process6 dnsIp7 41 checkip.dyndns.com 193.122.6.168, 49683, 80 ORACLE-BMC-31898US United States 13->41 43 checkip.dyndns.org 13->43 45 api.telegram.org 149.154.167.220, 443, 49684, 49685 TELEGRAMRU United Kingdom 13->45 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        47 132.226.247.73, 49734, 80 UTMEMUS United States 21->47 49 checkip.dyndns.org 21->49 69 Tries to steal Mail credentials (via file / registry access) 21->69 71 Tries to harvest and steal ftp login credentials 21->71 73 Tries to harvest and steal browser information (history, passwords, etc) 21->73 31 conhost.exe 23->31         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-10-11 11:45:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
22 of 26 (84.62%)
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 payload
Snake Keylogger
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:
161903f7d5633a0cdc5d416c229e1af16ad3f5a6d11dbe8d500aa9151a273f62
MD5 hash:
b460e7cd67e88a80f0b65f65d28b1c4c
SHA1 hash:
fef017687483cf2b5b9d5f8061b6f0645fdcf779
SH256 hash:
fbaee152795e1977078585a679982862e6f2377f2ee653042d965a4d600f53ef
MD5 hash:
ed7758bd1361b2d65c15d322d9691f60
SHA1 hash:
d731991b50fc25742d3a52e4b94ffca2a0d18e09
SH256 hash:
af7ac1171b44c9a949ad80bfaf05095048d0b74cfb527f66479e22f47d340110
MD5 hash:
f696dc0e00cb8f70799ac3fcaa5f9f6a
SHA1 hash:
cde2283de5b89639ea52f6388feef8f77efc63ce
SH256 hash:
725347ce5e0b6a6d1ffb770bdedf760fa23ee81028ebdb2e9faf09da98b51e21
MD5 hash:
9c46f10937181a4ab58d23784417d189
SHA1 hash:
6037ef0c01ce2101d79a6f37401ffdde94212aa6
SH256 hash:
2c1f0f9c197a419ea458a06bc1edd3bab8c80baa4f8bdadcfe8dbff6edb14fe8
MD5 hash:
f71798b749f7b43d4674317d8f6121aa
SHA1 hash:
0a29877b3e39e6c296f736d0404238b8e9d50bdb
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.

Malspam

SnakeKeylogger

Executable exe 2c1f0f9c197a419ea458a06bc1edd3bab8c80baa4f8bdadcfe8dbff6edb14fe8

(this sample)

  
Dropped by
snakekeylogger
  
Delivery method
Distributed via e-mail attachment

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