MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c095f21efda98638c4432ff0e13cd78838e806e00fa8e8264c9db3ba00b7bc10. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c095f21efda98638c4432ff0e13cd78838e806e00fa8e8264c9db3ba00b7bc10
SHA3-384 hash: d83353585ff860eaaf27c12be51d68c81a4ed4de6c1f856c3dc90833d68c5a3df352f46353a6df5b9041213f25853f51
SHA1 hash: d29f9145e11fef1e3b1fb4da82cc41412743cbb6
MD5 hash: 3f1dad67541851280f1c445db772ebbb
humanhash: georgia-ten-hotel-seventeen
File name:Halkbank_Ekstre_20220327_073712_983787.pdf.exe
Download: download sample
Signature SnakeKeylogger
Create hunting rule
File size:140'800 bytes
First seen:2022-04-21 10:36:45 UTC
Last seen:2022-04-21 11:30:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:cOqFvTxhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhX:cfoMx97FjAsOKlmVcl
Threatray 5'546 similar samples on MalwareBazaar
TLSH T170D34451E6812232D507BE7563392B31C2724E8A7C5FF6493D44F92AEA73CE3A7D0606
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 18e6e8c8c42bc000 (6 x SnakeKeylogger)
Reporter lowmal3
Tags:exe SnakeKeylogger

Intelligence

File Origin
# of uploads :
3
# of downloads :
259
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Snake
Create hunting rule
Link:
https://www.capesandbox.com/analysis/265424/
Detection(s):
SecuriteInfo.com.Trojan.Downloader.10124.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated packed
Link:
https://www.filescan.io/uploads/626133d0482f2f41cadfb6bf/reports/00efd28b-0813-4d7a-9f0d-043ddd7ad666/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/d272bd18-3c56-4788-8b5b-8c670d9f7382
Result
Threat name:
Snake Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/980596
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Creates an undocumented autostart registry key
Drops executable to a common third party application directory
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)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Silenttrinity Stager Msbuild Activity
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 613083 Sample: Halkbank_Ekstre_20220327_07... Startdate: 21/04/2022 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 12 other signatures 2->42 7 Halkbank_Ekstre_20220327_073712_983787.pdf.exe 15 7 2->7         started        process3 dnsIp4 28 cdn.discordapp.com 162.159.134.233, 443, 49738 CLOUDFLARENETUS United States 7->28 22 C:\Users\user\AppData\Roaming\...\cloud.exe, PE32 7->22 dropped 24 C:\Users\user\...\cloud.exe:Zone.Identifier, ASCII 7->24 dropped 26 Halkbank_Ekstre_20..._983787.pdf.exe.log, ASCII 7->26 dropped 44 Creates an undocumented autostart registry key 7->44 46 Writes to foreign memory regions 7->46 48 Drops executable to a common third party application directory 7->48 50 Injects a PE file into a foreign processes 7->50 12 MSBuild.exe 14 2 7->12         started        16 cmd.exe 1 7->16         started        file5 signatures6 process7 dnsIp8 30 checkip.dyndns.com 193.122.6.168, 49753, 80 ORACLE-BMC-31898US United States 12->30 32 checkip.dyndns.org 12->32 34 freegeoip.app 188.114.97.7, 443, 49754 CLOUDFLARENETUS European Union 12->34 52 May check the online IP address of the machine 12->52 54 Tries to steal Mail credentials (via file / registry access) 12->54 56 Tries to harvest and steal ftp login credentials 12->56 58 Tries to harvest and steal browser information (history, passwords, etc) 12->58 18 conhost.exe 16->18         started        20 timeout.exe 1 16->20         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c095f21efda98638c4432ff0e13cd78838e806e00fa8e8264c9db3ba00b7bc10/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Suspicious
First seen:
2022-04-21 08:56:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
18 of 37 (48.65%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yck7ehx5vgddrrcdf7yocpgxra4oqbxab6uoqjsmtwz3uafxxqia._file
Verdict:
malicious
Similar samples:
0bc6152941893e5d36af2520150b93cc439e5efdb476038e6fac9a17dacc743f
SnakeKeylogger
3305726cd2ac7a09f12133089d37faa8d591d0e85280588501317eb80e3c7fc8
SnakeKeylogger
459ffd564cff546baed72dc2ba79fff156b533600495098f319eed8239d0bb21
SnakeKeylogger
5200239c6c97dec08be49d8859e68973a475fd9b8522b79502deb6c91d2ea7ea
SnakeKeylogger
742526bc4de3287b0d55149acdc82c1578cbaae2c42066e40ac5812ed9fd3159
SnakeKeylogger
7529261b01e2f6d420aa0239c584a7d6c0022ea71ce562335d1384a03d529bbd
SnakeKeylogger
ae13fe36ae25d1c276ec9efaaa8599e186f9df2b2d742c7999b895fdf2d302d7
SnakeKeylogger
c15a83bff3c8bcc0e48254ea814726d372eaa0e11d83a7246f18690c93b3a7cc
SnakeKeylogger
+ 5'536 additional samples on MalwareBazaar
Result
Malware family:
snakekeylogger
Create hunting rule
Score:
  10/10
Tags:
family:snakekeylogger collection keylogger stealer
Link:
https://tria.ge/reports/220421-mnsp1aebd2/
Behaviour
Delays execution with timeout.exe
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
Snake Keylogger
Snake Keylogger Payload
Malware Config
C2 Extraction:
https://api.telegram.org/bot5253212199:AAG-02qWN77aEjxlYTZ-WAZ7WOi_I4kCde8/sendMessage?chat_id=2128925974
Unpacked files
SH256 hash:
c095f21efda98638c4432ff0e13cd78838e806e00fa8e8264c9db3ba00b7bc10
MD5 hash:
3f1dad67541851280f1c445db772ebbb
SHA1 hash:
d29f9145e11fef1e3b1fb4da82cc41412743cbb6
Link:
https://www.unpac.me/results/cb734eff-09e8-4516-8a23-c1c0201cb548/
Malware family:
SnakeKeylogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c095f21efda9/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/c095f21efda98638c4432ff0e13cd78838e806e00fa8e8264c9db3ba00b7bc10

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_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Discord_Attachments_URL
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Create hunting rule
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information

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

Malspam

SnakeKeylogger

Executable exe c095f21efda98638c4432ff0e13cd78838e806e00fa8e8264c9db3ba00b7bc10

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/265424/

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