MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb71469d805ac7a4888fad7e3a65a75c4b48af2941880ae7796afab127323a19. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fb71469d805ac7a4888fad7e3a65a75c4b48af2941880ae7796afab127323a19
SHA3-384 hash: a7844fcf16281add14fbc965d439cb32a38fbe118a30b808e13dd9c9d939110cfed1bb81a92fd76e969b43f9eea53586
SHA1 hash: bed0be9026ed03a6613d40b4ec78a2de9aaabf71
MD5 hash: 90c3d3276d0e468b9b41e2714ba550f6
humanhash: uranus-kentucky-october-jupiter
File name:Halkbank_Ekstre_20222501_ 073653_270424.pdf.exe
Download: download sample
Signature SnakeKeylogger
Create hunting rule
File size:13'312 bytes
First seen:2022-07-06 15:52:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 192:5opqPDRBw2Hd6DVyVMjSiXK4afskh9mhMuu9edHTLWWiWKP:dDo2HIByKGiXXafskh9u9usdHTfO
Threatray 5'101 similar samples on MalwareBazaar
TLSH T15C52A51263E89235E5BA0E3A547252D1C577BE46DCB2CF6D34CC200A9B7F7054EA2F62
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 333729dd958d8d85 (4 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe geo Halkbank SnakeKeylogger TUR

Intelligence

File Origin
# of uploads :
1
# of downloads :
255
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fb71469d805ac7a4888fad7e3a65a75c4b48af2941880ae7796afab127323a19.exe
Verdict:
Suspicious activity
Analysis date:
2022-07-06 16:24:08 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f00b10b5-aba3-455f-8855-71977ce1c483

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/285198/
Detection(s):
SecuriteInfo.com.Trojan.Downloader.10124.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm packed
Link:
https://www.filescan.io/uploads/62c5b021783441cda10e2e77/reports/d25a3f11-5bc8-4ed7-9d35-fd3e2da79f49/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/355009ff-1161-4220-b885-5d4ebd28d539
Result
Threat name:
Snake Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1025773
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Creates an undocumented autostart registry key
Encrypted powershell cmdline option found
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
Snort IDS alert for network traffic
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 Costura Assembly Loader
Yara detected Generic Downloader
Yara detected MSILDownloaderGeneric
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 658273 Sample: Halkbank_Ekstre_20222501_ 0... Startdate: 06/07/2022 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for dropped file 2->38 40 13 other signatures 2->40 7 Halkbank_Ekstre_20222501_ 073653_270424.pdf.exe 15 7 2->7         started        process3 dnsIp4 28 cdn.discordapp.com 162.159.133.233, 443, 49728 CLOUDFLARENETUS United States 7->28 22 C:\Users\user\AppData\...\Psuytdlx.exe, PE32 7->22 dropped 24 C:\Users\...\Psuytdlx.exe:Zone.Identifier, ASCII 7->24 dropped 26 Halkbank_Ekstre_20..._270424.pdf.exe.log, ASCII 7->26 dropped 42 Creates an undocumented autostart registry key 7->42 44 Encrypted powershell cmdline option found 7->44 46 Writes to foreign memory regions 7->46 48 2 other signatures 7->48 12 InstallUtil.exe 14 2 7->12         started        16 InstallUtil.exe 7->16         started        18 powershell.exe 15 7->18         started        file5 signatures6 process7 dnsIp8 30 checkip.dyndns.com 132.226.8.169, 49780, 80 UTMEMUS United States 12->30 32 checkip.dyndns.org 12->32 50 Tries to steal Mail credentials (via file / registry access) 12->50 52 Tries to harvest and steal ftp login credentials 12->52 54 Tries to harvest and steal browser information (history, passwords, etc) 12->54 56 May check the online IP address of the machine 16->56 20 conhost.exe 18->20         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fb71469d805ac7a4888fad7e3a65a75c4b48af2941880ae7796afab127323a19/
Threat name:
ByteCode-MSIL.Downloader.PsDownload
Create hunting rule
Status:
Malicious
First seen:
2022-07-06 15:53:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
10 of 40 (25.00%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7nyunhmalld2jcepvv7duznhlrfurlzjigeavz3znl5lcjzshimq._file
Verdict:
malicious
Similar samples:
0462b577e576cd4b51d091c962eea360316be7b16665fa2a4cf6259d711d7e55
SnakeKeylogger
075d1ac0887f0028c537e2b45c1d1686d26e18464792ca65b374a4ac82261d93
SnakeKeylogger
089d64094a0cbe3fc87733eaf8f49bb1d818948429fa80de8953b8ff2c667a6a
SnakeKeylogger
10c2718857ad39e2dc165eea92a9854c528f169d0f9ccf887ee62e29ec0f208f
SnakeKeylogger
4f5c717b397608e6c58b8133b041e258b9d4446f4f8c286ae4b5f5c13bf2a404
SnakeKeylogger
6854be3657cbb743286183f6a18048d849e9e3dd5a1ba47d1d6f2e2d05195fd5
SnakeKeylogger
900eb9594b34519d8935f2c4a627a365a4eb8f68fa5ec14b9eed9544c2e9551e
SnakeKeylogger
b3ff992cc3e6d83faa2328915e916df30b9484ca21f35e1d96f7a6a7fa0a44ac
SnakeKeylogger
c6b830eb57c4bad87392f58857a37691511be8dab6cc595ce0052f6f6ee421a0
SnakeKeylogger
+ 5'091 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/220706-tbmrjsgfc6/
Behaviour
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/bot1939897600:AAFkoPsh0GqeaOfexc3PJ91CjFvH6rmGT-M/sendMessage?chat_id=1715191138
Unpacked files
SH256 hash:
fb71469d805ac7a4888fad7e3a65a75c4b48af2941880ae7796afab127323a19
MD5 hash:
90c3d3276d0e468b9b41e2714ba550f6
SHA1 hash:
bed0be9026ed03a6613d40b4ec78a2de9aaabf71
Link:
https://www.unpac.me/results/8091988d-cbf4-4261-9268-f5ddbb969d09/
Malware family:
SnakeKeylogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fb71469d805a/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/fb71469d805ac7a4888fad7e3a65a75c4b48af2941880ae7796afab127323a19

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_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 fb71469d805ac7a4888fad7e3a65a75c4b48af2941880ae7796afab127323a19

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/285198/

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