MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ab3c976c7751f3252dd4b53bdc8eb7a5a6d42006dec7b01da7a72f7addb3518. 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: 12


Intelligence 12 IOCs YARA 11 File information Comments

SHA256 hash: 1ab3c976c7751f3252dd4b53bdc8eb7a5a6d42006dec7b01da7a72f7addb3518
SHA3-384 hash: 76187d2e2cde4bcfc98ec64fe452112033ef8521979ef57192cc3ec8074831f104f566ad7d0e78f10bc8654f6fc4b7a3
SHA1 hash: 888db1efea5ec2f3af21a4089f7ad9812237cf70
MD5 hash: 24c2daf1275fd9679b45b919a7df7a5e
humanhash: michigan-kitten-missouri-low
File name:Tkjbas.exe
Download: download sample
Signature SnakeKeylogger
File size:158'208 bytes
First seen:2023-08-15 12:19:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:p0ADW+CcjLpoljCyiTNtHaZM935btdfhAP8tk:zIcjtKV4tHb9pJAE
Threatray 5'707 similar samples on MalwareBazaar
TLSH T165F3170BB78F85B2D3451B7EC7AB523003B1DA96B3B3C24B744D23151B027F99A6664B
TrID 36.9% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
23.5% (.EXE) Win64 Executable (generic) (10523/12/4)
11.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
10.0% (.EXE) Win32 Executable (generic) (4505/5/1)
4.6% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 00000c353034d4c0 (20 x SnakeKeylogger, 3 x Formbook, 3 x RemcosRAT)
Reporter abuse_ch
Tags:exe SnakeKeylogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
286
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Tkjbas.exe
Verdict:
Malicious activity
Analysis date:
2023-08-15 12:27:55 UTC
Tags:
evasion snake keylogger trojan

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
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a file in the %AppData% directory
Launching a process
Creating a file
Searching for synchronization primitives
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Forced shutdown of a browser
Gathering data
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
Found malware configuration
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
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1291395 Sample: Tkjbas.exe Startdate: 15/08/2023 Architecture: WINDOWS Score: 100 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 5 other signatures 2->57 6 Tkjbas.exe 15 5 2->6         started        11 Xniswyesyvt.exe 14 5 2->11         started        13 Xniswyesyvt.exe 4 2->13         started        process3 dnsIp4 25 cdn.discordapp.com 162.159.130.233, 443, 49717 CLOUDFLARENETUS United States 6->25 23 C:\Users\user\AppData\...\Xniswyesyvt.exe, PE32+ 6->23 dropped 59 Writes to foreign memory regions 6->59 61 Modifies the context of a thread in another process (thread injection) 6->61 63 Injects a PE file into a foreign processes 6->63 15 MSBuild.exe 14 2 6->15         started        27 162.159.133.233, 443, 49760 CLOUDFLARENETUS United States 11->27 65 Machine Learning detection for dropped file 11->65 19 MSBuild.exe 11->19         started        29 162.159.135.233, 443, 49762 CLOUDFLARENETUS United States 13->29 21 MSBuild.exe 13->21         started        file5 signatures6 process7 dnsIp8 31 checkip.dyndns.org 15->31 33 checkip.dyndns.com 132.226.247.73, 49757, 49766, 80 UTMEMUS United States 15->33 35 api.telegram.org 149.154.167.220, 443, 49759, 49767 TELEGRAMRU United Kingdom 15->35 45 May check the online IP address of the machine 15->45 47 Tries to steal Mail credentials (via file / registry access) 15->47 37 checkip.dyndns.org 19->37 39 193.122.130.0, 49765, 80 ORACLE-BMC-31898US United States 19->39 41 checkip.dyndns.org 21->41 43 192.168.2.1 unknown unknown 21->43 49 Tries to harvest and steal browser information (history, passwords, etc) 21->49 signatures9
Threat name:
ByteCode-MSIL.Trojan.Leonem
Status:
Malicious
First seen:
2023-08-15 07:26:41 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
8
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
snakekeylogger
Score:
  10/10
Tags:
family:snakekeylogger keylogger persistence stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Snake Keylogger
Snake Keylogger payload
Malware Config
C2 Extraction:
https://api.telegram.org/bot6234651025:AAFjbt6iZ1vTAi98WikYTmxJFGRMPTZ_0rI/sendMessage?chat_id=5000869361
Unpacked files
SH256 hash:
1ab3c976c7751f3252dd4b53bdc8eb7a5a6d42006dec7b01da7a72f7addb3518
MD5 hash:
24c2daf1275fd9679b45b919a7df7a5e
SHA1 hash:
888db1efea5ec2f3af21a4089f7ad9812237cf70
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:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
Author:ditekSHen
Description:Detects executables with potential process hoocking
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MALWARE_Win_SnakeKeylogger
Author:ditekSHen
Description:Detects Snake Keylogger
Rule name:MAL_Envrial_Jan18_1
Author:Florian Roth (Nextron Systems)
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:MAL_Envrial_Jan18_1_RID2D8C
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:NET
Author:malware-lu
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:Windows_Trojan_SnakeKeylogger_af3faa65
Author:Elastic Security

File information


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

Malspam

SnakeKeylogger

Executable exe 1ab3c976c7751f3252dd4b53bdc8eb7a5a6d42006dec7b01da7a72f7addb3518

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments