MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6856c9f31a306accbaec81ae104cba40b2088ff32131532b4bb52eb70e2d13c. 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: 18


Intelligence 18 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b6856c9f31a306accbaec81ae104cba40b2088ff32131532b4bb52eb70e2d13c
SHA3-384 hash: 210fc64890170926c84393c109a32add85e6b31c2f26025efca6f927ce3bb29b547862549580e9e47d87b324d9bc03fc
SHA1 hash: 1ef312a6c3435835accf3d09d2f5a0fe0a38a89a
MD5 hash: 646e7fca8ee07a6258f0d95ca8b25883
humanhash: wisconsin-eleven-harry-sixteen
File name:nDetalle_transferencia_29-07-2024.exe
Download: download sample
Signature SnakeKeylogger
Create hunting rule
File size:739'328 bytes
First seen:2024-07-29 15:31:28 UTC
Last seen:2024-07-30 11:10:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:Si2SkhEOo7Ge+zU9GkYSh0CeYt5JOGzxeAOQmcVqVMExIQirYUarvoV19NzDhV2v:ykuCeofOGteAOQmcVqVMExIQirJnfhCA
Threatray 5 similar samples on MalwareBazaar
TLSH T17CF49DE1B3948A1BD49B47BAA03644274637A28EDDADDA4D2DC0BF9F3C6334244135E7
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 6cecccccb4c2f2b2 (38 x AgentTesla, 30 x Formbook, 24 x PythonStealer)
Reporter FXOLabs
Tags:exe SnakeKeylogger

Intelligence

File Origin
# of uploads :
3
# of downloads :
447
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
nDetalle_transferencia_29-07-2024.exe
Verdict:
Malicious activity
Analysis date:
2024-07-29 15:34:56 UTC
Tags:
evasion snake keylogger
Link:
https://app.any.run/tasks/d0785b88-3183-4907-946a-c056aa772a35

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66a7b5f49d47c7700ac5e821
Tags:
Discovery Execution Generic Network Stealth
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Searching for synchronization primitives
Creating a file
Launching the default Windows debugger (dwwin.exe)
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
dotnet lolbin packed
Link:
https://www.filescan.io/uploads/66a7b5fc4c5c17942a7faa67/reports/1db7aad6-b407-4a52-80c8-b6fda62d5cec/overview
Verdict:
Malicious
Labled as:
Ransom.Agent.Generic
Link:
https://www.hybrid-analysis.com/sample/b6856c9f31a306accbaec81ae104cba40b2088ff32131532b4bb52eb70e2d13c
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4c437a0a-5e74-40c8-bf62-f818982ce72a
Result
Threat name:
Snake Keylogger
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1484161
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
AI detected suspicious sample
Bypasses PowerShell execution policy
Drops PE files to the startup folder
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Sigma detected: Copy file to startup via Powershell
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)
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Snake Keylogger
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1484161 Sample: nDetalle_transferencia_29-0... Startdate: 29/07/2024 Architecture: WINDOWS Score: 100 38 reallyfreegeoip.org 2->38 40 checkip.dyndns.org 2->40 42 checkip.dyndns.com 2->42 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Multi AV Scanner detection for dropped file 2->62 66 11 other signatures 2->66 8 nDetalle_transferencia_29-07-2024.exe 3 2->8         started        12 Detalle_transferencia_29-07-2024.exe 3 2->12         started        14 svchost.exe 1 1 2->14         started        signatures3 64 Tries to detect the country of the analysis system (by using the IP) 38->64 process4 dnsIp5 36 nDetalle_transfere..._29-07-2024.exe.log, ASCII 8->36 dropped 68 Bypasses PowerShell execution policy 8->68 17 powershell.exe 13 8->17         started        21 nDetalle_transferencia_29-07-2024.exe 15 2 8->21         started        24 Detalle_transferencia_29-07-2024.exe 14 2 12->24         started        26 powershell.exe 11 12->26         started        48 127.0.0.1 unknown unknown 14->48 file6 signatures7 process8 dnsIp9 32 C:\...\Detalle_transferencia_29-07-2024.exe, PE32 17->32 dropped 34 Detalle_transferen...exe:Zone.Identifier, ASCII 17->34 dropped 50 Drops PE files to the startup folder 17->50 52 Powershell drops PE file 17->52 28 conhost.exe 17->28         started        44 reallyfreegeoip.org 188.114.97.3, 443, 49733, 49734 CLOUDFLARENETUS European Union 21->44 46 checkip.dyndns.com 193.122.130.0, 49730, 49736, 49738 ORACLE-BMC-31898US United States 21->46 54 Tries to steal Mail credentials (via file / registry access) 24->54 56 Tries to harvest and steal browser information (history, passwords, etc) 24->56 30 conhost.exe 26->30         started        file10 signatures11 process12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b6856c9f31a306accbaec81ae104cba40b2088ff32131532b4bb52eb70e2d13c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b6856c9f31a306accbaec81ae104cba40b2088ff32131532b4bb52eb70e2d13c/
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Create hunting rule
Status:
Malicious
First seen:
2024-07-29 14:53:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=w2cwzhzrumdkzs5ozanocbgluqfsbch7gijrkmvuxnjow4hc2e6a._file
Verdict:
malicious
Similar samples:
6388fa8777c9af8707bbf9c908cfa4fd5ef6222a290be88397a5eee66b098d41
SnakeKeylogger
b6856c9f31a306accbaec81ae104cba40b2088ff32131532b4bb52eb70e2d13c
SnakeKeylogger
b92825019cbc1d89521e0c8e0463e5c248a48c03acb4554979e8b12295cb073f
SnakeKeylogger
Result
Malware family:
snakekeylogger
Create hunting rule
Score:
  10/10
Tags:
family:snakekeylogger collection credential_access discovery execution keylogger spyware stealer
Link:
https://tria.ge/reports/240729-sylmbsvdlj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Command and Scripting Interpreter: PowerShell
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Drops startup file
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Credentials from Password Stores: Credentials from Web Browsers
Snake Keylogger
Snake Keylogger payload
Malware Config
C2 Extraction:
https://api.telegram.org/bot7417344719:AAFjGftgLvQWujAYiCSh8xu2YSSnzJXasq4/sendMessage?chat_id=6452398890
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/4ed73499-62c6-4d8f-bdfb-228f94a7d5e9
Unpacked files
SH256 hash:
45c7b64a55dca23ee1239649e03a7c361813dbcfc2a0817b0d8e94c907d6ed4b
MD5 hash:
fb1bc19121c4e190d83672bc71b493f0
SHA1 hash:
c3488b969ba578e28ee360be24b6416425a224a0
Link:
https://www.unpac.me/results/b98e21c2-f35c-4517-87b0-4cd69a236878/
SH256 hash:
f5202f5461f76a3ded902ebe8d86cc7e7ddcdc4704fece29b0e7d33de268d929
MD5 hash:
16c4654099425a76948b8ef033e34fa0
SHA1 hash:
8670aee86cccaa1eeb2d68ced9fd1c416c576f5f
Detections:
snake_keylogger
Create hunting rule
win_404keylogger_g1
Create hunting rule
MAL_Envrial_Jan18_1
Create hunting rule
Link:
https://www.unpac.me/results/b98e21c2-f35c-4517-87b0-4cd69a236878/
Parent samples :
b6856c9f31a306accbaec81ae104cba40b2088ff32131532b4bb52eb70e2d13c
433cb2143587bacd21ada6c2c15ca014a20d3a1f5f78c495e307f81442f2a382
SH256 hash:
e98e12a4d679f12d1be6805a02c9741a7d1a112deae2adad9aafff8724174fbd
MD5 hash:
8b601835fa02d5fdfaa517804183e89a
SHA1 hash:
21a134773d2c593c15468ef83844cc3f1b50c9cc
Link:
https://www.unpac.me/results/b98e21c2-f35c-4517-87b0-4cd69a236878/
SH256 hash:
b6856c9f31a306accbaec81ae104cba40b2088ff32131532b4bb52eb70e2d13c
MD5 hash:
646e7fca8ee07a6258f0d95ca8b25883
SHA1 hash:
1ef312a6c3435835accf3d09d2f5a0fe0a38a89a
Link:
https://www.unpac.me/results/b98e21c2-f35c-4517-87b0-4cd69a236878/
Malware family:
SnakeKeylogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b6856c9f31a3/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b6856c9f31a306accbaec81ae104cba40b2088ff32131532b4bb52eb70e2d13c

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 b6856c9f31a306accbaec81ae104cba40b2088ff32131532b4bb52eb70e2d13c

(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 (HIGH_ENTROPY_VA)high

Comments