MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91cbaf0eafd7e647fe5e9d6524d0190d1e62ef168bbe6aac0e6ea017c6aa55bb. 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 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91cbaf0eafd7e647fe5e9d6524d0190d1e62ef168bbe6aac0e6ea017c6aa55bb
SHA3-384 hash: 99c87e06611e9d3f4e4f4f60fa916980bc6504b4725c8ca938954453860881bc466234a3957cba29a9ff174df33f88f7
SHA1 hash: 072f4e4446357094c89bc75ee24bb41392fb6efa
MD5 hash: e4be85fd39b06077ad62ee5411e529fa
humanhash: carpet-red-lamp-golf
File name:DHL - OVERDUE ACCOUNT LETTER - 1300711528.exe
Download: download sample
Signature SnakeKeylogger
Create hunting rule
File size:1'368'064 bytes
First seen:2025-02-27 08:48:54 UTC
Last seen:2025-02-27 09:33:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'646 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 24576:ySCF6rZw5Ac1MnnEZ7tEmkgqLxF15g4iWfdFeBzIAx96NsHL:dCotw5Ac1B7tE5BLxLy4xreBisHL
TLSH T1BF55F04C0AA136D6C37E4775EAF4880F4A16CA1588FBB38A558BB6F018427D77C19BC3
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
Reporter Anonymous
Tags:exe SnakeKeylogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
442
Origin country :
PL PL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL - OVERDUE ACCOUNT LETTER - 1300711528.exe
Verdict:
Malicious activity
Analysis date:
2025-02-27 08:52:45 UTC
Tags:
evasion snake keylogger telegram stealer ims-api generic
Link:
https://app.any.run/tasks/f33b51e3-f5f4-44fa-9ecc-bc029186c682

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.26223.5533.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67c0275f28ab76d43a5dacf2
Tags:
autorun snake
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %AppData% directory
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Creating a window
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Forced shutdown of a browser
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade obfuscated obfuscated obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/67c027063c5f644bd93a7546/reports/ff92f006-1f8e-4179-b0e2-11daebd89863/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/91cbaf0eafd7e647fe5e9d6524d0190d1e62ef168bbe6aac0e6ea017c6aa55bb
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/addf97b2-6753-4ce9-95d2-96219e525f5b
Result
Threat name:
Snake Keylogger, VIP Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1625464
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Drops VBS files to the startup folder
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
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: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
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 AntiVM3
Yara detected Costura Assembly Loader
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1625464 Sample: DHL - OVERDUE ACCOUNT LETTE... Startdate: 27/02/2025 Architecture: WINDOWS Score: 100 35 reallyfreegeoip.org 2->35 37 api.telegram.org 2->37 39 2 other IPs or domains 2->39 41 Suricata IDS alerts for network traffic 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 51 14 other signatures 2->51 8 wscript.exe 1 2->8         started        11 DHL - OVERDUE ACCOUNT LETTER - 1300711528.exe 5 2->11         started        signatures3 47 Tries to detect the country of the analysis system (by using the IP) 35->47 49 Uses the Telegram API (likely for C&C communication) 37->49 process4 file5 57 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->57 59 Windows Scripting host queries suspicious COM object (likely to drop second stage) 8->59 14 TypeId.exe 2 8->14         started        23 C:\Users\user\AppData\Roaming\TypeId.exe, PE32 11->23 dropped 25 C:\Users\user\...\TypeId.exe:Zone.Identifier, ASCII 11->25 dropped 27 C:\Users\user\AppData\Roaming\...\TypeId.vbs, ASCII 11->27 dropped 61 Writes to foreign memory regions 11->61 63 Injects a PE file into a foreign processes 11->63 17 InstallUtil.exe 15 2 11->17         started        signatures6 process7 dnsIp8 65 Multi AV Scanner detection for dropped file 14->65 67 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 14->67 69 Writes to foreign memory regions 14->69 71 Injects a PE file into a foreign processes 14->71 20 InstallUtil.exe 2 14->20         started        29 api.telegram.org 149.154.167.220, 443, 49764, 49769 TELEGRAMRU United Kingdom 17->29 31 checkip.dyndns.com 193.122.6.168, 49733, 49736, 49738 ORACLE-BMC-31898US United States 17->31 33 reallyfreegeoip.org 104.21.112.1, 443, 49734, 49735 CLOUDFLARENETUS United States 17->33 73 Tries to steal Mail credentials (via file / registry access) 17->73 signatures9 process10 signatures11 53 Tries to steal Mail credentials (via file / registry access) 20->53 55 Tries to harvest and steal browser information (history, passwords, etc) 20->55
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/91cbaf0eafd7e647fe5e9d6524d0190d1e62ef168bbe6aac0e6ea017c6aa55bb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/91cbaf0eafd7e647fe5e9d6524d0190d1e62ef168bbe6aac0e6ea017c6aa55bb/
Threat name:
Win32.Exploit.Generic
Create hunting rule
Status:
Malicious
First seen:
2025-02-27 08:49:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=shf26dvp27tep7s6tvssjuazbupgf3ywro7gvlaon2qbprvkkw5q._file
Result
Malware family:
vipkeylogger
Create hunting rule
Score:
  10/10
Tags:
family:vipkeylogger collection discovery keylogger stealer
Link:
https://tria.ge/reports/250227-kq3a4ssvax/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
Program crash
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
Suspicious use of NtCreateUserProcessOtherParentProcess
VIPKeylogger
Vipkeylogger family
Malware Config
C2 Extraction:
https://api.telegram.org/bot7552206830:AAGZUrvJgSRgT_tfVCG5NR-NdC35UuRR1yg/sendMessage?chat_id=6357516296
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/ead67629-cfec-45d2-a474-1dd0e88d49df
Unpacked files
SH256 hash:
91cbaf0eafd7e647fe5e9d6524d0190d1e62ef168bbe6aac0e6ea017c6aa55bb
MD5 hash:
e4be85fd39b06077ad62ee5411e529fa
SHA1 hash:
072f4e4446357094c89bc75ee24bb41392fb6efa
Link:
https://www.unpac.me/results/9ea681d4-b9a1-48ec-996a-4729bc96214c/
SH256 hash:
4a8e279f86b3aacffa19365a7a9d85385471e22cdea7f591c54670ad0fb8564d
MD5 hash:
2c9b578317b2abf742188de5bab81d59
SHA1 hash:
72b0d116ec0d509c887d8c3ed73d50a8921bc509
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/9ea681d4-b9a1-48ec-996a-4729bc96214c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Password Stealer
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/91cbaf0eafd7e647fe5e9d6524d0190d1e62ef168bbe6aac0e6ea017c6aa55bb

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
Create hunting rule
Author:Rony (r0ny_123)
Description:Detects Snake keylogger payload
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
Create hunting rule
Author:ditekSHen
Description:Detects executables with potential process hoocking
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MAL_Envrial_Jan18_1
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
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:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:telegram_bot_api
Create hunting rule
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:Windows_Trojan_SnakeKeylogger_af3faa65
Create hunting rule
Author:Elastic Security

File information

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

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

Comments