MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b256a7b80d0dfe978acf9e21ea3c4003e4b2fc36a1f2d64b1cc909917c7ce78. 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: 16


Intelligence 16 IOCs YARA 5 File information Comments
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SHA256 hash: 4b256a7b80d0dfe978acf9e21ea3c4003e4b2fc36a1f2d64b1cc909917c7ce78
SHA3-384 hash: 6fde983078d252b7725184e8d8ea89b0f36ab783f7ca1024150170de254f0a7ce5a819ad1cc0bd4c0f681cd3924a9504
SHA1 hash: 0740f3af2526186ac8e50eab613300b52248c67e
MD5 hash: 7bf3fb9daedc7c2888add1b2987e5636
humanhash: bluebird-queen-orange-batman
File name:LOI SPECIFIFCATION.pdf.exe
Download: download sample
Signature SnakeKeylogger
Create hunting rule
File size:693'760 bytes
First seen:2024-10-10 13:13:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:Bgth7cHaMZDcJXZvbqISD9U/PxO8cMPy4KmeH6baiaWqp4a:B47cVDcJJvb+lRSgmhb1v04a
TLSH T18AE412D56A7AEC36C9E627B10470E277077A2EADA410E3064EFDECE7F10A32535D8125
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon 1ee5e39be66238a0 (9 x Formbook, 3 x MassLogger, 2 x SnakeKeylogger)
Reporter James_inthe_box
Tags:exe SnakeKeylogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
388
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
LOI SPECIFIFCATION.pdf.exe
Verdict:
Malicious activity
Analysis date:
2024-10-10 13:21:23 UTC
Tags:
evasion snake keylogger telegram
Link:
https://app.any.run/tasks/343bdcbf-d4f2-49ed-a6aa-fe6aea84b067

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.15390.23862.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6707d31ef936b5621b0c47d2
Tags:
Powershell Underscore Snake
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/6707d31c192a225263bcb34d/reports/658ad77f-b04b-4f18-86da-46a34fada3d4/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/4b256a7b80d0dfe978acf9e21ea3c4003e4b2fc36a1f2d64b1cc909917c7ce78
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5c4f82a2-8426-40f9-b0fa-67258e0d42d6
Result
Threat name:
Snake Keylogger, VIP Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1530807
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Suspicious Double Extension File Execution
Tries to detect the country of the analysis system (by using the IP)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1530807 Sample: LOI SPECIFIFCATION.pdf.exe Startdate: 10/10/2024 Architecture: WINDOWS Score: 100 22 reallyfreegeoip.org 2->22 24 api.telegram.org 2->24 26 2 other IPs or domains 2->26 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 44 13 other signatures 2->44 8 LOI SPECIFIFCATION.pdf.exe 4 2->8         started        signatures3 40 Tries to detect the country of the analysis system (by using the IP) 22->40 42 Uses the Telegram API (likely for C&C communication) 24->42 process4 file5 20 C:\Users\...\LOI SPECIFIFCATION.pdf.exe.log, ASCII 8->20 dropped 46 Writes to foreign memory regions 8->46 48 Allocates memory in foreign processes 8->48 50 Adds a directory exclusion to Windows Defender 8->50 52 Injects a PE file into a foreign processes 8->52 12 RegSvcs.exe 15 2 8->12         started        16 powershell.exe 23 8->16         started        signatures6 process7 dnsIp8 28 api.telegram.org 149.154.167.220, 443, 49729 TELEGRAMRU United Kingdom 12->28 30 reallyfreegeoip.org 188.114.97.3, 443, 49710, 49712 CLOUDFLARENETUS European Union 12->30 32 checkip.dyndns.com 158.101.44.242, 49707, 49713, 49715 ORACLE-BMC-31898US United States 12->32 54 Tries to steal Mail credentials (via file / registry access) 12->54 56 Tries to harvest and steal browser information (history, passwords, etc) 12->56 58 Loading BitLocker PowerShell Module 16->58 18 conhost.exe 16->18         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4b256a7b80d0dfe978acf9e21ea3c4003e4b2fc36a1f2d64b1cc909917c7ce78
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4b256a7b80d0dfe978acf9e21ea3c4003e4b2fc36a1f2d64b1cc909917c7ce78/
Threat name:
ByteCode-MSIL.Trojan.SnakeLogger
Create hunting rule
Status:
Malicious
First seen:
2024-10-10 11:09:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jmswu64a2dp6s6fm7hrb5i6eaa7ewl6dnips2zfrzsijsf6hzz4a._file
Verdict:
malicious
Label(s):
unknown_loader_037
Create hunting rule
vipkeylogger
Create hunting rule
Similar samples:
error
SnakeKeylogger
Result
Malware family:
vipkeylogger
Create hunting rule
Score:
  10/10
Tags:
family:vipkeylogger collection discovery execution keylogger stealer
Link:
https://tria.ge/reports/241010-qgmrysxclc/
Behaviour
outlook_office_path
outlook_win_path
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Command and Scripting Interpreter: PowerShell
VIPKeylogger
Verdict:
Malicious
Tags:
snake_keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/b48475b8-a6ee-4c5e-87a6-5364a8bf8213
Unpacked files
SH256 hash:
6f1b10a989558100e5cd5fbc09db4b9c3377252f6aa81022b81e05c07f487626
MD5 hash:
d7a5f9dd8347a4ccf724c1fb918adc47
SHA1 hash:
b7805816c2b4702f48ae83334f5409b99e4d6e8a
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/390077ab-428e-46c7-9bf2-3dc87ac60b18/
SH256 hash:
ea72f09a3e2db37b19bfa374fe98de07c0f5a1b2dce60ae875c17d996d312b38
MD5 hash:
bee035eaba04a77312f1bb527a3f4183
SHA1 hash:
8542e144f98b03728b4d255ee3f470d5d80e93a8
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/390077ab-428e-46c7-9bf2-3dc87ac60b18/
Parent samples :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 hash:
d34278f480af17e73d0190a8998048f03d7b35a5fb20a2790748dc63c8c3ba5e
MD5 hash:
47d4b90459dac6a56ad6cb1f8baf8f61
SHA1 hash:
214277c0b2e0cc0d38c565b147a745d7cf70d0bd
Detections:
win_404keylogger_g1
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
MAL_Envrial_Jan18_1
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Link:
https://www.unpac.me/results/390077ab-428e-46c7-9bf2-3dc87ac60b18/
SH256 hash:
4b256a7b80d0dfe978acf9e21ea3c4003e4b2fc36a1f2d64b1cc909917c7ce78
MD5 hash:
7bf3fb9daedc7c2888add1b2987e5636
SHA1 hash:
0740f3af2526186ac8e50eab613300b52248c67e
Link:
https://www.unpac.me/results/390077ab-428e-46c7-9bf2-3dc87ac60b18/
Malware family:
VIPKeylogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4b256a7b80d0/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4b256a7b80d0dfe978acf9e21ea3c4003e4b2fc36a1f2d64b1cc909917c7ce78

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 4b256a7b80d0dfe978acf9e21ea3c4003e4b2fc36a1f2d64b1cc909917c7ce78

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

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