MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91b5e06c42d452a5c3d137c1556a341ec18163395ffff7ace946633f86ac637f. 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: 12


Intelligence 12 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91b5e06c42d452a5c3d137c1556a341ec18163395ffff7ace946633f86ac637f
SHA3-384 hash: 9a022bf0a829f252c604bd1d6ed448c202fea418e393e6393efd4e448cf7aeeaf665c5084fb63ef193e3f48ec003e68f
SHA1 hash: b4f87ab82be7be0cdd7776d259fbc897b8966378
MD5 hash: d5b43a7dff1820fbe3ed53dbb12e5dcd
humanhash: sixteen-washington-triple-sierra
File name:QEF_54100_308102103.exe
Download: download sample
Signature SnakeKeylogger
Create hunting rule
File size:467'456 bytes
First seen:2021-11-23 08:25:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:9wj6X1qZVcmu0LbChOQECv2NddUOdiZy1a/t6swG:ejs1qZVcm1WOQECOKSlkt6bG
Threatray 2'343 similar samples on MalwareBazaar
TLSH T1E8A430AC7B491A72FD1ED0718D410A46BB760B037290A9926FFB15CA874F1B72E45CCB
File icon (PE):PE icon
dhash icon f6998cb69a8cdce8 (4 x SnakeKeylogger, 2 x AgentTesla, 1 x njrat)
Reporter abuse_ch
Tags:exe SnakeKeylogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
118
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
QEF_54100_308102103.exe
Verdict:
Malicious activity
Analysis date:
2021-11-23 08:46:22 UTC
Tags:
evasion trojan snakekeylogger keylogger
Link:
https://app.any.run/tasks/b8d9d41a-e7c9-46ea-90f6-f2d1c70ec843

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Unauthorized injection to a recently created process
Running batch commands
Launching a process
Creating a file in the %AppData% subdirectories
Sending an HTTP GET request
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Creating a process from a recently created file
Searching for the window
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm obfuscated packed
Link:
https://www.filescan.io/uploads/619ca5a3b71ceed4152cb317/reports/9edf595d-5957-4221-850a-07957f32345f/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d4e6b5c6-18d5-411c-8e3d-decfff30e542
Result
Threat name:
Snake Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/894685
Signature
.NET source code references suspicious native API functions
Binary or sample is protected by dotNetProtector
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
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)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to delay execution (extensive OutputDebugStringW loop)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 527158 Sample: QEF_54100_308102103.exe Startdate: 23/11/2021 Architecture: WINDOWS Score: 100 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Multi AV Scanner detection for submitted file 2->65 67 5 other signatures 2->67 7 QEF_54100_308102103.exe 3 2->7         started        10 msis.exe 2 2->10         started        process3 signatures4 69 May check the online IP address of the machine 7->69 71 Tries to delay execution (extensive OutputDebugStringW loop) 7->71 73 Injects a PE file into a foreign processes 7->73 12 QEF_54100_308102103.exe 15 2 7->12         started        16 cmd.exe 3 7->16         started        19 cmd.exe 1 7->19         started        75 Multi AV Scanner detection for dropped file 10->75 77 Machine Learning detection for dropped file 10->77 79 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 10->79 21 msis.exe 14 2 10->21         started        23 cmd.exe 1 10->23         started        25 cmd.exe 1 10->25         started        process5 dnsIp6 51 checkip.dyndns.com 131.186.113.70, 49780, 49781, 80 DYNDNSUS United States 12->51 53 freegeoip.app 104.21.19.200, 443, 49782 CLOUDFLARENETUS United States 12->53 55 checkip.dyndns.org 12->55 81 Tries to steal Mail credentials (via file / registry access) 12->81 83 Tries to harvest and steal ftp login credentials 12->83 85 Tries to harvest and steal browser information (history, passwords, etc) 12->85 43 C:\Users\user\AppData\Roaming\msis\msis.exe, PE32 16->43 dropped 45 C:\Users\user\...\msis.exe:Zone.Identifier, ASCII 16->45 dropped 27 conhost.exe 16->27         started        87 Uses schtasks.exe or at.exe to add and modify task schedules 19->87 29 conhost.exe 19->29         started        31 schtasks.exe 1 19->31         started        57 193.122.130.0, 49783, 80 ORACLE-BMC-31898US United States 21->57 59 checkip.dyndns.org 21->59 33 WerFault.exe 23 9 21->33         started        37 conhost.exe 23->37         started        39 schtasks.exe 1 23->39         started        41 conhost.exe 25->41         started        file7 signatures8 process9 dnsIp10 49 192.168.2.1 unknown unknown 33->49 47 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 33->47 dropped file11
Detection:
snakekeylogger
Create hunting rule
Link:
https://mwdb.cert.pl/sample/91b5e06c42d452a5c3d137c1556a341ec18163395ffff7ace946633f86ac637f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-23 06:37:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sg26a3cc2rjklq6rg7avk2rud3aycyzzl777plhjizrt7bvmmn7q._file
Verdict:
malicious
Similar samples:
4010e4cf063629069f5a7fc586b1845433b426d6c09f5a8eeabb348a2686f89f
SnakeKeylogger
531284168c3d5dee90d9d45b762d7e3b0fb409a670efcf61b378df7677d58b55
SnakeKeylogger
751473d0bdfa674927317b2747b52a04372b4f1e38616cc465763d64cb7bbee6
SnakeKeylogger
aa16e563346384cfcb7fbd83727cce3dfffa7ae31ee3581671ba3d57a5e21829
SnakeKeylogger
ad2bf8487310a468bc4e71714b81d4616d75310206c6c35e8a7cd495b7f90c22
SnakeKeylogger
dbba7dd4355342a19336aba7d468ecbdfb0d730287e8f8f28ed88ba445bab2fc
SnakeKeylogger
dd5c4335594b77493bc8960293af89aecce0c3ff6e66bdddd13d239f29929b2d
SnakeKeylogger
+ 2'333 additional samples on MalwareBazaar
Result
Malware family:
snakekeylogger
Create hunting rule
Score:
  10/10
Tags:
family:snakekeylogger collection keylogger spyware stealer
Link:
https://tria.ge/reports/211123-kbvygscfe9/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
Snake Keylogger
Unpacked files
SH256 hash:
49388185008463032571e1a76b83154cbed2d6247f2a516c898d7058d3fb22e4
MD5 hash:
9968c240f6f1227e6a2035cad7819e3a
SHA1 hash:
2ad6db87d149e12659e89e5c5ad115309299cf81
Link:
https://www.unpac.me/results/299153d9-b384-4acc-a252-e82027f66df8/
SH256 hash:
91b5e06c42d452a5c3d137c1556a341ec18163395ffff7ace946633f86ac637f
MD5 hash:
d5b43a7dff1820fbe3ed53dbb12e5dcd
SHA1 hash:
b4f87ab82be7be0cdd7776d259fbc897b8966378
Link:
https://www.unpac.me/results/299153d9-b384-4acc-a252-e82027f66df8/
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/91b5e06c42d452a5c3d137c1556a341ec18163395ffff7ace946633f86ac637f

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_EXE_Packed_Dotfuscator
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with Dotfuscator
Rule name:INDICATOR_EXE_Packed_dotNetProtector
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with dotNetProtector
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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_Referenfces_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:MALWARE_Win_SnakeKeylogger
Create hunting rule
Author:ditekSHen
Description:Detects Snake Keylogger
Rule name:MAL_Envrial_Jan18_1
Create hunting rule
Author:Florian Roth
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:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Telegram_Exfiltration_Via_Api
Create hunting rule
Author:lsepaolo

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/208547/

Comments