MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1aa3e19aaa042198af892f216f9f32bc506249c499ac2a31e71f012fce68f97. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments

SHA256 hash: c1aa3e19aaa042198af892f216f9f32bc506249c499ac2a31e71f012fce68f97
SHA3-384 hash: e21cfaffc74f12226d3e13094d72ae04eeddb0f4b6cb3f4b20181696bc9e3e1825dc5bdc9fa352bcef06200bc358e799
SHA1 hash: 3ef82bbbd285b5d77e23ce28013757ecf7ff4383
MD5 hash: 69204d26fa0531e62112e92de0d6c1ad
humanhash: butter-charlie-sixteen-mobile
File name:Halkbank_Ekstre_20230321_080804_358439.pdf.exe
Download: download sample
Signature SnakeKeylogger
File size:1'754'624 bytes
First seen:2023-04-04 16:38:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 332f7ce65ead0adfb3d35147033aabe9 (82 x XRed, 18 x SnakeKeylogger, 7 x DarkComet)
ssdeep 24576:DnsJ39LyjbJkQFMhmC+6GD9R12zVZ97i9DIDenEigyaOI9wU6cOM+b:DnsHyjtk2MYC5GDbAR37QDIDeTxRF
Threatray 460 similar samples on MalwareBazaar
TLSH T19385B026F1D170BBC22317398C96E372542FFFC11E24A98DAAF41D9FAA7F6441819193
TrID 92.9% (.EXE) Win32 Executable Borland Delphi 7 (664796/42/58)
1.9% (.EXE) Win32 Executable Delphi generic (14182/79/4)
1.4% (.EXE) Win64 Executable (generic) (10523/12/4)
1.3% (.EXE) DOS Borland compiled Executable (generic) (10000/1/2)
0.6% (.EXE) Win32 Executable (generic) (4505/5/1)
dhash icon e863eae6b696c6ee (2 x AsyncRAT, 2 x SnakeKeylogger, 2 x Neshta)
Reporter Anonymous
Tags:exe SnakeKeylogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
275
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Halkbank_Ekstre_20230321_080804_358439.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-04-04 16:40:08 UTC
Tags:
snake keylogger trojan evasion

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

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
Creating a file
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Moving a recently created file
Creating a file in the %temp% directory
Moving a file to the %temp% directory
Modifying an executable file
DNS request
Sending an HTTP GET request
Sending a UDP request
Setting browser functions hooks
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Infecting executable files
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
86%
Tags:
autorun cmd.exe darkkomet emotet evasive fingerprint greyware hacktool keylogger macros macros-on-close macros-on-open packed shell32.dll virus
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:
expl.evad.troj.spyw
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Document contains an embedded VBA macro with suspicious strings
Document contains an embedded VBA with functions possibly related to ADO stream file operations
Document contains an embedded VBA with functions possibly related to HTTP operations
Document contains an embedded VBA with functions possibly related to WSH operations (process, registry, environment, or keystrokes)
Drops PE files to the document folder of the user
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
Snort IDS alert for network traffic
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 dynamic DNS services
Yara detected Generic Downloader
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 841126 Sample: Halkbank_Ekstre_20230321_08... Startdate: 04/04/2023 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 detection for dropped file 2->55 57 16 other signatures 2->57 7 Halkbank_Ekstre_20230321_080804_358439.pdf.exe 1 6 2->7         started        10 EXCEL.EXE 23 19 2->10         started        12 Synaptics.exe 2->12         started        process3 file4 27 ._cache_Halkbank_E...0804_358439.pdf.exe, PE32 7->27 dropped 29 C:\ProgramData\Synaptics\Synaptics.exe, PE32 7->29 dropped 31 C:\ProgramData\Synaptics\RCXF934.tmp, PE32 7->31 dropped 33 C:\...\Synaptics.exe:Zone.Identifier, ASCII 7->33 dropped 14 ._cache_Halkbank_Ekstre_20230321_080804_358439.pdf.exe 3 7->14         started        18 Synaptics.exe 80 7->18         started        process5 dnsIp6 35 ._cache_Halkbank_E..._358439.pdf.exe.log, ASCII 14->35 dropped 65 Multi AV Scanner detection for dropped file 14->65 67 May check the online IP address of the machine 14->67 69 Machine Learning detection for dropped file 14->69 71 Injects a PE file into a foreign processes 14->71 21 ._cache_Halkbank_Ekstre_20230321_080804_358439.pdf.exe 15 2 14->21         started        39 docs.google.com 142.251.36.206, 443, 49696, 49697 GOOGLEUS United States 18->39 41 freedns.afraid.org 69.42.215.252, 49701, 80 AWKNET-LLCUS United States 18->41 43 xred.mooo.com 18->43 37 C:\Users\user\Documents\CZQKSDDMWR\~$cache1, PE32 18->37 dropped 73 Antivirus detection for dropped file 18->73 75 Drops PE files to the document folder of the user 18->75 25 WerFault.exe 9 18->25         started        file7 signatures8 process9 dnsIp10 45 checkip.dyndns.com 132.226.247.73, 49790, 80 UTMEMUS United States 21->45 47 checkip.dyndns.org 21->47 49 192.168.2.1 unknown unknown 21->49 59 Tries to steal Mail credentials (via file / registry access) 21->59 61 Tries to harvest and steal ftp login credentials 21->61 63 Tries to harvest and steal browser information (history, passwords, etc) 21->63 signatures11
Threat name:
Win32.Virus.Napwhich
Status:
Malicious
First seen:
2023-03-29 12:10:29 UTC
File Type:
PE (Exe)
Extracted files:
81
AV detection:
34 of 37 (91.89%)
Threat level:
  5/5
Result
Malware family:
snakekeylogger
Score:
  10/10
Tags:
family:snakekeylogger collection keylogger persistence spyware stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
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/bot5253212199:AAG-02qWN77aEjxlYTZ-WAZ7WOi_I4kCde8/sendMessage?chat_id=2128925974
Unpacked files
SH256 hash:
b4b190818a658f0b64f5aa6d39e901e9d731bf1f58fa072b4c73120a96489bdb
MD5 hash:
3c6f8b2e78f5ebf58c4f170b30c04607
SHA1 hash:
c0ee09a1a9d1c673ad7eadabab7de44ebe0ff765
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
SH256 hash:
111d42a9ca0390c2da005690b74bb547c3be811e025ad02127706871ffd608be
MD5 hash:
393d6c4ee5dd62ecf2f0c487ccfba75c
SHA1 hash:
7573b43e8e51c4d671ee6f3851bd0cd98898ca95
Detections:
snake_keylogger
Parent samples :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 hash:
3553d8a37635f6a6379ebe830aceb3c40d003f11110dae469f5d1d499c2518ae
MD5 hash:
1f21014104a7c6b2bdb7a3f4c2420654
SHA1 hash:
71c478b4973de62d2a89e01afdb1f1c9d4818ca2
SH256 hash:
f90962c9c8968ad1798bad551a4a533b87246ce2d7cec82da5f3427ca6822cec
MD5 hash:
7fc01eb3c5329b60900a412b1e64c28f
SHA1 hash:
16dd2ca3f29a39a02de940b14bccd7619fcd01c2
SH256 hash:
6bef1889e2124e776aad61e98ab354d9067b25fef573bd67563d691e01ff4169
MD5 hash:
2c750c6bb2c221d51f9306b887d21b64
SHA1 hash:
9bb56fdb10ed22275e134de634c95daa7aa03035
SH256 hash:
c1aa3e19aaa042198af892f216f9f32bc506249c499ac2a31e71f012fce68f97
MD5 hash:
69204d26fa0531e62112e92de0d6c1ad
SHA1 hash:
3ef82bbbd285b5d77e23ce28013757ecf7ff4383
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:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Suspicious_Macro_Presence
Author:Mehmet Ali Kerimoglu (CYB3RMX)
Description:This rule detects common malicious/suspicious implementations.
Rule name:vbaproject_bin
Author:CD_R0M_
Description:{76 62 61 50 72 6f 6a 65 63 74 2e 62 69 6e} is hex for vbaproject.bin. Macros are often used by threat actors. Work in progress - Ran out of time
Rule name:yara_template

File information


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

Malspam

SnakeKeylogger

Executable exe c1aa3e19aaa042198af892f216f9f32bc506249c499ac2a31e71f012fce68f97

(this sample)

  
Dropped by
snakekeylogger
  
Delivery method
Distributed via e-mail attachment

Comments