MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4eac55f2d0ae6099d7f119f406e091fdeb6acc00a6d37e32ba469d0e36323acf. 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: 15


Intelligence 15 IOCs YARA 11 File information Comments

SHA256 hash: 4eac55f2d0ae6099d7f119f406e091fdeb6acc00a6d37e32ba469d0e36323acf
SHA3-384 hash: 5767cf6c4549d131fd6bffd0fa9a4531e446192dc904f53c8f6c0ab7c364dc489858b34476cc44fc4c7c3fd246fb5418
SHA1 hash: 22719ac0e5ec879293e17ae939e94dd4af8d6253
MD5 hash: de7775acb95010f70b0e91e3067b2be6
humanhash: seven-failed-lactose-north
File name:rZiraatBankasSwiftMesaj.pdf.exe
Download: download sample
Signature SnakeKeylogger
File size:542'720 bytes
First seen:2024-02-07 10:37:04 UTC
Last seen:2024-02-07 12:51:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:VgpxLvnA7eUO/oNiNb8jwPl79IQWCGhVLpTnMVXdlMz3:Cpx7nA7efosN7l79Fc9wng
TLSH T192B41214B3C86A11DABF77B169B596461FFB7C243AB0E20D2AC1B2ED0976B055E04F34
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter FXOLabs
Tags:exe SnakeKeylogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
304
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4eac55f2d0ae6099d7f119f406e091fdeb6acc00a6d37e32ba469d0e36323acf.exe
Verdict:
Malicious activity
Analysis date:
2024-02-07 10:52:37 UTC
Tags:
evasion snake keylogger

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
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 contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Double Extension File Execution
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 dynamic DNS services
Uses known network protocols on non-standard ports
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Snake Keylogger
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1388256 Sample: rZiraatBankasSwiftMesaj.pdf.exe Startdate: 07/02/2024 Architecture: WINDOWS Score: 100 40 aborters.duckdns.org 2->40 42 checkip.dyndns.org 2->42 44 3 other IPs or domains 2->44 52 Multi AV Scanner detection for domain / URL 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 60 14 other signatures 2->60 8 rZiraatBankasSwiftMesaj.pdf.exe 7 2->8         started        12 PrJaYp.exe 5 2->12         started        signatures3 58 Uses dynamic DNS services 40->58 process4 file5 36 C:\Users\user\AppData\Roaming\PrJaYp.exe, PE32 8->36 dropped 38 C:\Users\user\AppData\Local\...\tmp36F3.tmp, XML 8->38 dropped 62 Uses schtasks.exe or at.exe to add and modify task schedules 8->62 64 Adds a directory exclusion to Windows Defender 8->64 66 Injects a PE file into a foreign processes 8->66 14 rZiraatBankasSwiftMesaj.pdf.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        22 rZiraatBankasSwiftMesaj.pdf.exe 8->22         started        68 Multi AV Scanner detection for dropped file 12->68 70 Machine Learning detection for dropped file 12->70 24 PrJaYp.exe 14 2 12->24         started        26 schtasks.exe 1 12->26         started        signatures6 process7 dnsIp8 46 aborters.duckdns.org 91.92.255.235, 49749, 49751, 8081 THEZONEBG Bulgaria 14->46 48 checkip.dyndns.com 132.226.8.169, 49709, 49712, 49714 UTMEMUS United States 14->48 50 2 other IPs or domains 14->50 28 WmiPrvSE.exe 18->28         started        30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        72 Tries to steal Mail credentials (via file / registry access) 24->72 74 Tries to harvest and steal browser information (history, passwords, etc) 24->74 34 conhost.exe 26->34         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2024-02-07 08:12:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Verdict:
malicious
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 user/profile data of local email clients
Reads user/profile data of web browsers
Snake Keylogger
Snake Keylogger payload
Unpacked files
SH256 hash:
3e91564af7885d913998a980c17103d5c990f02883753ffbf52d89ab30043b0d
MD5 hash:
ff053ee169701337666d5fa2bad9f799
SHA1 hash:
fc5a540ef6f977c580248a4379256fce2327653a
SH256 hash:
d87fd1e82d6a93df7c83f504442f50eb0d7470b55a15130ddefd4be709712b88
MD5 hash:
3658acf87597ab790008f894c6574c87
SHA1 hash:
e18b872e7328dc019c8bb36412438be33682b869
Detections:
snake_keylogger win_404keylogger_g1 MAL_Envrial_Jan18_1 MALWARE_Win_SnakeKeylogger INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_DotNetProcHook INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
SH256 hash:
04bf7ce1da4e3158d36db2660b550aeffd925d9dd1263be60f003aa728899544
MD5 hash:
5bbeeca05c6014e79632284d4bc679ab
SHA1 hash:
2b5b730b4bcdf81293725ee15e2d691ca17a7922
SH256 hash:
3dff12ee9183149386bfb90aa8bb671f57201de4e1157b79dd22fea45d837562
MD5 hash:
02e3968ff81ca78205efb912d981ea81
SHA1 hash:
0846251d2774064940f11617e1b15b2eb63834aa
SH256 hash:
4eac55f2d0ae6099d7f119f406e091fdeb6acc00a6d37e32ba469d0e36323acf
MD5 hash:
de7775acb95010f70b0e91e3067b2be6
SHA1 hash:
22719ac0e5ec879293e17ae939e94dd4af8d6253
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: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:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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 4eac55f2d0ae6099d7f119f406e091fdeb6acc00a6d37e32ba469d0e36323acf

(this sample)

  
Delivery method
Distributed via e-mail attachment

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