MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab21f04dfff9067abc07e8bc80e5d3b3450b8891dffe53f58034c1c7ad51ed55. 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 18 File information Comments

SHA256 hash: ab21f04dfff9067abc07e8bc80e5d3b3450b8891dffe53f58034c1c7ad51ed55
SHA3-384 hash: 8fe995aba370a6763f8a56a40d6dc50b92fb8968770ad4d0f97077064bef67ed68608dfae0996da9b69894ec82d14c4c
SHA1 hash: db5dee45dc3a25091ae455a49db41cdba70dd8cc
MD5 hash: 23ad078999fb9901917f9f7bde5fe6cd
humanhash: fourteen-vegan-spaghetti-winner
File name:Invoice#2968 (PO#83270) pdf.exe
Download: download sample
Signature SnakeKeylogger
File size:544'768 bytes
First seen:2025-02-03 08:55:40 UTC
Last seen:2025-02-03 08:56:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash fc6683d30d9f25244a50fd5357825e79 (92 x Formbook, 52 x AgentTesla, 23 x SnakeKeylogger)
ssdeep 12288:uYV6MorX7qzuC3QHO9FQVHPF51jgco+UAex8WzBUhe:NBXu9HGaVHJex8Sx
Threatray 180 similar samples on MalwareBazaar
TLSH T131C412856B81D93BC15123B6D03BDD2059127876CBE8377E82A5F12EFC32783D8165AB
TrID 35.7% (.EXE) UPX compressed Win32 Executable (27066/9/6)
35.0% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
8.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.9% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter adrian__luca
Tags:exe SnakeKeylogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
456
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice#2968 (PO#83270) pdf.exe
Verdict:
Malicious activity
Analysis date:
2025-02-03 09:14:13 UTC
Tags:
snake keylogger evasion telegram stealer smtp

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
underscore autorun autoit
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Forced shutdown of a browser
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug autoit compiled-script evasive hacktool masquerade microsoft_visual_cc overlay packed packed packed packer_detected powershell upx
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, VIP Keylogger
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Binary is likely a compiled AutoIt script file
Drops VBS files to the startup folder
Found malware configuration
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 the Telegram API (likely for C&C communication)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1605429 Sample: Invoice#2968 (PO#83270) pdf.exe Startdate: 03/02/2025 Architecture: WINDOWS Score: 100 33 reallyfreegeoip.org 2->33 35 api.telegram.org 2->35 37 3 other IPs or domains 2->37 61 Suricata IDS alerts for network traffic 2->61 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 71 11 other signatures 2->71 9 Invoice#2968 (PO#83270) pdf.exe 6 2->9         started        13 wscript.exe 1 2->13         started        signatures3 67 Tries to detect the country of the analysis system (by using the IP) 33->67 69 Uses the Telegram API (likely for C&C communication) 35->69 process4 file5 29 C:\Users\user\AppData\Local\...\Fonda.exe, PE32 9->29 dropped 77 Binary is likely a compiled AutoIt script file 9->77 79 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->79 15 Fonda.exe 3 9->15         started        81 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->81 19 Fonda.exe 2 13->19         started        signatures6 process7 file8 31 C:\Users\user\AppData\Roaming\...\Fonda.vbs, data 15->31 dropped 47 Multi AV Scanner detection for dropped file 15->47 49 Binary is likely a compiled AutoIt script file 15->49 51 Machine Learning detection for dropped file 15->51 59 2 other signatures 15->59 21 RegSvcs.exe 15 2 15->21         started        53 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 19->53 55 Writes to foreign memory regions 19->55 57 Maps a DLL or memory area into another process 19->57 24 RegSvcs.exe 2 19->24         started        signatures9 process10 dnsIp11 39 checkip.dyndns.com 193.122.130.0, 49710, 49759, 49811 ORACLE-BMC-31898US United States 21->39 27 WerFault.exe 23 16 21->27         started        41 api.telegram.org 149.154.167.220, 443, 49862, 49919 TELEGRAMRU United Kingdom 24->41 43 us2.smtp.mailhostbox.com 208.91.199.225, 49903, 587 PUBLIC-DOMAIN-REGISTRYUS United States 24->43 45 reallyfreegeoip.org 104.21.64.1, 443, 49797, 49807 CLOUDFLARENETUS United States 24->45 73 Tries to steal Mail credentials (via file / registry access) 24->73 75 Tries to harvest and steal browser information (history, passwords, etc) 24->75 signatures12 process13
Threat name:
Win32.Exploit.Generic
Status:
Malicious
First seen:
2025-01-29 11:47:00 UTC
File Type:
PE (Exe)
Extracted files:
52
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
vipkeylogger
Score:
  10/10
Tags:
family:vipkeylogger collection discovery keylogger stealer upx
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
UPX packed file
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Drops startup file
Executes dropped EXE
Loads dropped DLL
VIPKeylogger
Vipkeylogger family
Malware Config
C2 Extraction:
https://api.telegram.org/bot8066712820:AAEAb01u8B6eDO5xCMdAz6XCOHC_L2RpVGo/sendMessage?chat_id=7667424178
Verdict:
Malicious
Tags:
trojan 404keylogger
YARA:
SUSP_Imphash_Mar23_3
Unpacked files
SH256 hash:
ab21f04dfff9067abc07e8bc80e5d3b3450b8891dffe53f58034c1c7ad51ed55
MD5 hash:
23ad078999fb9901917f9f7bde5fe6cd
SHA1 hash:
db5dee45dc3a25091ae455a49db41cdba70dd8cc
SH256 hash:
e822ae73d8e21083d9491bb88797bc2e97579ca99ae6d84500bd6863f58e270d
MD5 hash:
9cee143291e41ab1a7a33923f0a074ff
SHA1 hash:
804b5018e1b30c025326f0b5d73585760ebdd183
Detections:
win_404keylogger_g1 MAL_Envrial_Jan18_1 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_DotNetProcHook INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
SH256 hash:
676faf4247fcf5baacceb5c87e3cb9948ec8f43b65284be7a7b78dde71e002f9
MD5 hash:
3a1f3c001d23f41406b1613f16469813
SHA1 hash:
a07d84193fa0ccce67341a78037344232fcc4f62
Detections:
AutoIT_Compiled
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:crime_snake_keylogger
Author:Rony (r0ny_123)
Description:Detects Snake keylogger payload
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: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:RANSOMWARE
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Imphash_Mar23_3
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:telegram_bot_api
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:upx_largefile
Author:k3nr9
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 ab21f04dfff9067abc07e8bc80e5d3b3450b8891dffe53f58034c1c7ad51ed55

(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
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::GetAce
MULTIMEDIA_APICan Play MultimediaWINMM.dll::timeGetTime
WIN_BASE_APIUses Win Base APIKERNEL32.DLL::LoadLibraryA
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetUseConnectionW

Comments