MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37840987b437459b8f5774cfd36eb5a271c61808ccfa5e4aa63b005db127f71a. 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: 14


Intelligence 14 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 37840987b437459b8f5774cfd36eb5a271c61808ccfa5e4aa63b005db127f71a
SHA3-384 hash: 2a6cb8c0dca7c267d40c1cdb617da808bcbf26fafcfcbf8b6682d1d9457d5b679e17ad8a3a082e9d0f6cfd6cb14b212f
SHA1 hash: f63e052ba7f25077d625f841241e2d2aa1ea7011
MD5 hash: b1553384deba6a98d1a0caa98468d0ee
humanhash: hydrogen-sixteen-maryland-robin
File name:Hahza.exe
Download: download sample
Signature SnakeKeylogger
Create hunting rule
File size:10'240 bytes
First seen:2023-08-02 08:46:35 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 96:JG/woST6RfWsr/Kk+M1k4XpCiwe5KhBC14P3R8jleB/TA2ezNt:J6RfWsjv+M1k4XFw0Kva4P3Slc/R4
Threatray 5'700 similar samples on MalwareBazaar
TLSH T15D22F75177BCC227C636077388636742173AAB116CD2DF9FBC80691F6DA13808EA2A35
TrID 56.5% (.EXE) Win64 Executable (generic) (10523/12/4)
11.0% (.ICL) Windows Icons Library (generic) (2059/9)
10.9% (.EXE) OS/2 Executable (generic) (2029/13)
10.7% (.EXE) Generic Win/DOS Executable (2002/3)
10.7% (.EXE) DOS Executable Generic (2000/1)
File icon (PE):PE icon
dhash icon 00000c353034d4c0 (20 x SnakeKeylogger, 3 x Formbook, 3 x RemcosRAT)
Reporter abuse_ch
Tags:exe SnakeKeylogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
275
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Hahza.exe
Verdict:
Malicious activity
Analysis date:
2023-08-02 08:52:23 UTC
Tags:
evasion snake keylogger trojan
Link:
https://app.any.run/tasks/7165556d-ea01-4ccf-96fa-7e4c00d2d3cd

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/439766/
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
Creating a file in the %AppData% directory
Launching a process
Creating a file
Searching for synchronization primitives
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Forced shutdown of a browser
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin
Link:
https://www.filescan.io/uploads/64ca180a58785b2ae2186b7f/reports/7ed6137a-5377-4e04-bf1b-6a9c94beb7df/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/37840987b437459b8f5774cfd36eb5a271c61808ccfa5e4aa63b005db127f71a
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.
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e0183bdd-2094-4295-b354-777cbc8d0648
Result
Threat name:
Snake Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1284224
Signature
.NET source code contains potential unpacker
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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 MSILDownloaderGeneric
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1284224 Sample: Hahza.exe Startdate: 02/08/2023 Architecture: WINDOWS Score: 100 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 5 other signatures 2->49 6 Hahza.exe 15 5 2->6         started        11 pdf.exe 14 2 2->11         started        13 pdf.exe 2 2->13         started        process3 dnsIp4 23 cdn.discordapp.com 162.159.133.233, 443, 49692 CLOUDFLARENETUS United States 6->23 19 C:\Users\user\AppData\Roaming\pdf.exe, PE32+ 6->19 dropped 21 C:\Users\user\AppData\Local\...\Hahza.exe.log, CSV 6->21 dropped 51 Writes to foreign memory regions 6->51 53 Modifies the context of a thread in another process (thread injection) 6->53 55 Injects a PE file into a foreign processes 6->55 15 MSBuild.exe 14 2 6->15         started        25 162.159.129.233, 443, 49698 CLOUDFLARENETUS United States 11->25 27 192.168.2.1 unknown unknown 11->27 57 Multi AV Scanner detection for dropped file 11->57 29 162.159.134.233, 443, 49699 CLOUDFLARENETUS United States 13->29 file5 signatures6 process7 dnsIp8 31 checkip.dyndns.org 15->31 33 checkip.dyndns.com 132.226.247.73, 49696, 80 UTMEMUS United States 15->33 35 api.telegram.org 149.154.167.220, 443, 49697 TELEGRAMRU United Kingdom 15->35 37 May check the online IP address of the machine 15->37 39 Tries to steal Mail credentials (via file / registry access) 15->39 41 Tries to harvest and steal browser information (history, passwords, etc) 15->41 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/37840987b437459b8f5774cfd36eb5a271c61808ccfa5e4aa63b005db127f71a/
Threat name:
Win64.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-08-02 06:13:18 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
7
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g6catb5ug5czxd2xoth5g3vvujy4mgaizt5f4svghmaf3mjh64na._file
Verdict:
malicious
Similar samples:
06a9ec554700c23590c89a5281d875fb042e1f8f1ce0ba8615883a4529cbe84f
SnakeKeylogger
509ab6d6f1089879e023ce06a093219765d41c19e2f6252f5ae7bd276483733d
SnakeKeylogger
6894f623dddd03e3be59b6785c21962cf71686a215e2db68f83f621b01afa7ef
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6bcf3454be579fca552338a3f5c192d5301ade9b8c7cb2ace0dc049e33ffa385
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75fe2e05556461cf5b623ce60ba191ec4153ca13931260faa99ce558ac86914a
SnakeKeylogger
9cab35781360174ec179b142782b298fb5b7b3cf60dda169e5991fb6a86bd3a4
SnakeKeylogger
c9ab09547338e5fabc9a5389c098597734e14e00da6f455d106c813177fce35e
SnakeKeylogger
d658e8fb0b5f39bb035ce027c28331853331bf176ba5eb394d93b639233c6660
SnakeKeylogger
ef634f411178f4e4b177515d80dd363158a73004da3229b07789d696d7c8dea8
SnakeKeylogger
+ 5'690 additional samples on MalwareBazaar
Result
Malware family:
snakekeylogger
Create hunting rule
Score:
  10/10
Tags:
family:snakekeylogger keylogger persistence stealer
Link:
https://tria.ge/reports/230802-kpv6eaeg9s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Snake Keylogger
Snake Keylogger payload
Malware Config
C2 Extraction:
https://api.telegram.org/bot6631000928:AAFiCjddpMvTQX5-pktE-_9Ryd2LS01DYeE/sendMessage?chat_id=5716598986
Unpacked files
SH256 hash:
37840987b437459b8f5774cfd36eb5a271c61808ccfa5e4aa63b005db127f71a
MD5 hash:
b1553384deba6a98d1a0caa98468d0ee
SHA1 hash:
f63e052ba7f25077d625f841241e2d2aa1ea7011
Link:
https://www.unpac.me/results/b37c3ff1-74d1-4696-bf7c-98ba74c49271/
Malware family:
SnakeKeylogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/37840987b437/report/overview.html
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/37840987b437459b8f5774cfd36eb5a271c61808ccfa5e4aa63b005db127f71a

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:MSIL_TinyDownloader_Generic
Create hunting rule
Author:albertzsigovits
Description:Detects small-sized dotNET downloaders
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 (Nextron Systems)
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.

Cape
Cape
https://www.capesandbox.com/analysis/439766/

Comments