MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 637d1b54df18fb9be79b0c415fde48fbadffdc286e96d196e244f11e5793caae. 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: 19


Intelligence 19 IOCs YARA 4 File information Comments

SHA256 hash: 637d1b54df18fb9be79b0c415fde48fbadffdc286e96d196e244f11e5793caae
SHA3-384 hash: e8ff950ab8833d19f751cf89201b938a4ddca048b97372ddaa57a41855e1126055286287d3c35ca55eea4cb98597af6c
SHA1 hash: caaf1824a409a0f567b8958d1626b35443f32f80
MD5 hash: d282c6a7a64a64668af127fd4f028cad
humanhash: winner-alaska-bluebird-utah
File name:DHL Delivery Form.exe
Download: download sample
Signature SnakeKeylogger
File size:708'096 bytes
First seen:2025-09-29 14:13:39 UTC
Last seen:2025-10-09 15:12:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'658 x Formbook, 12'249 x SnakeKeylogger)
ssdeep 12288:oyc87ITvZb7wEcOSsirluZcZVhPp1Mi1OyXw5lt3rHsvhszYzUPm:c87IlvDWuZcDhPpJAF7Ht9Pm
TLSH T196E4124CBB42BA53C85C1EBBD41396498275C76BE922F2B608D94ED90ABDF14460DFC3
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter abuse_ch
Tags:DHL exe SnakeKeylogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
106
Origin country :
SE SE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL Delivery Form.exe
Verdict:
Malicious activity
Analysis date:
2025-09-29 14:49:24 UTC
Tags:
evasion snake keylogger telegram stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
spawn shell virus spam
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process with a hidden window
Launching a process
Creating a file
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade obfuscated obfuscated packed packed packer_detected vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-29T00:34:00Z UTC
Last seen:
2025-09-29T00:34:00Z UTC
Hits:
~1000
Detections:
Trojan.Win32.Diztakun.sb Trojan.Win32.Agent.sb Trojan.MSIL.Inject.sb Trojan.MSIL.Crypt.sb Trojan-PSW.SnakeLogger.HTTP.C&C PDM:Trojan.Win32.Generic Trojan-PSW.Win32.Stelega.sb Trojan-PSW.Win32.Stealer.sb VHO:Backdoor.Win32.Agent.gen HEUR:Trojan.MSIL.Taskun.gen Trojan.MSIL.Taskun.sb
Result
Threat name:
Snake Keylogger, VIP Keylogger
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Disable Task Manager(disabletaskmgr)
Disables the Windows task manager (taskmgr)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
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: Silenttrinity Stager Msbuild Activity
Suricata IDS alerts for network traffic
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)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1785980 Sample: DHL Delivery Form.exe Startdate: 29/09/2025 Architecture: WINDOWS Score: 100 22 reallyfreegeoip.org 2->22 24 api.telegram.org 2->24 26 3 other IPs or domains 2->26 34 Suricata IDS alerts for network traffic 2->34 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 44 14 other signatures 2->44 8 DHL Delivery Form.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\user\...\DHL Delivery Form.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 MSBuild.exe 16 2 8->12         started        16 powershell.exe 23 8->16         started        signatures6 process7 dnsIp8 28 checkip.dyndns.com 132.226.247.73, 49687, 49689, 49693 UTMEMUS United States 12->28 30 api.telegram.org 149.154.167.220, 443, 49705 TELEGRAMRU United Kingdom 12->30 32 reallyfreegeoip.org 104.21.67.152, 443, 49688, 49691 CLOUDFLARENETUS 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 Disable Task Manager(disabletaskmgr) 12->58 60 Disables the Windows task manager (taskmgr) 12->60 62 Loading BitLocker PowerShell Module 16->62 18 conhost.exe 16->18         started        signatures9 process10
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Darkcloud
Status:
Malicious
First seen:
2025-09-29 05:27:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
30 of 38 (78.95%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
vipkeylogger unc_loader_037
Similar samples:
Result
Malware family:
vipkeylogger
Score:
  10/10
Tags:
family:vipkeylogger collection defense_evasion discovery evasion execution keylogger stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
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
Disables Task Manager via registry modification
Modifies Windows Defender DisableAntiSpyware settings
VIPKeylogger
Vipkeylogger family
Verdict:
Malicious
Tags:
404Keylogger
YARA:
n/a
Unpacked files
SH256 hash:
637d1b54df18fb9be79b0c415fde48fbadffdc286e96d196e244f11e5793caae
MD5 hash:
d282c6a7a64a64668af127fd4f028cad
SHA1 hash:
caaf1824a409a0f567b8958d1626b35443f32f80
SH256 hash:
889ec14703f1c17652244d66c857df1da8848da497651ba2d3308488b292a1a5
MD5 hash:
d5cde7b39c93212e3faa702e349c5e3f
SHA1 hash:
08f98762af837078675bbf6b2c540761b9dda162
SH256 hash:
1a47748f229cfafd752341eda945dfeaf034642be2d59e745a0ae059d054c0d7
MD5 hash:
b6e74bd1979029b7ffbfd602262935fb
SHA1 hash:
198ecbe651ad868ddee8677fce7c4c749ee725e5
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
7d58c35faa202722204a6c249a114f6754d4de92979df99691eba399dedb2f11
MD5 hash:
9d339d3575236095f2840c868ad2e9c1
SHA1 hash:
f2b0bfe487948086207bbba073323c9b031eb0d3
Detections:
win_404keylogger_g1 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_DotNetProcHook INDICATOR_SUSPICIOUS_EXE_TelegramChatBot INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
Malware family:
VIPKeylogger
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

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