MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f40d74392783bac7663d32193b2200511aff2a76bb83bc3dc6cef37ae8d966a. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2f40d74392783bac7663d32193b2200511aff2a76bb83bc3dc6cef37ae8d966a
SHA3-384 hash: 5d8dfb8ddfbaac97475b3c7d622d5fe7290ac8ccef70f27c032319a5e4f14927d0b561c5d3b774b36906aee50a818caa
SHA1 hash: b15340b67a4ec975ef6d4a5f185e82f24f1a1a23
MD5 hash: 6849ae72667b2948e606b358cba434df
humanhash: massachusetts-twenty-saturn-quiet
File name:MRKU8781602.exe
Download: download sample
Signature SnakeKeylogger
Create hunting rule
File size:643'072 bytes
First seen:2023-12-06 16:21:12 UTC
Last seen:2023-12-06 18:25:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:hvqc3+GCueH5qGHVkGm83N0q6CmkaLVqzGFkzbRhRbyDgKnlgW:hv/uG2qGBmvq6CHaLczGFkz5by1nOW
TLSH T10FD41210BBFC8726EAEB8BF9647510507BBABD2B5875E54C4C9A10DF0931B418A52F33
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe SnakeKeylogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
335
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MRKU8781602.exe
Verdict:
Malicious activity
Analysis date:
2023-12-06 16:24:42 UTC
Tags:
evasion stealer snake
Link:
https://app.any.run/tasks/e1601fc7-8269-4e58-a68c-281cda3aec3e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Snake
Create hunting rule
Link:
https://www.capesandbox.com/analysis/462911/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65709faffa995ae1533fb28f/reports/4b083663-8f63-4f35-9245-712974d89634/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/2f40d74392783bac7663d32193b2200511aff2a76bb83bc3dc6cef37ae8d966a
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/b892b013-2c33-4329-b87b-81f10a8d5ae3
Result
Threat name:
Snake Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1354721
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses dynamic DNS services
Uses known network protocols on non-standard ports
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1354721 Sample: MRKU8781602.exe Startdate: 06/12/2023 Architecture: WINDOWS Score: 100 38 aborters.duckdns.org 2->38 40 checkip.dyndns.org 2->40 42 4 other IPs or domains 2->42 50 Malicious sample detected (through community Yara rule) 2->50 52 Sigma detected: Scheduled temp file as task from temp location 2->52 54 Multi AV Scanner detection for submitted file 2->54 58 8 other signatures 2->58 8 MRKU8781602.exe 7 2->8         started        12 KnPVuHi.exe 5 2->12         started        signatures3 56 Uses dynamic DNS services 38->56 process4 file5 34 C:\Users\user\AppData\Roaming\KnPVuHi.exe, PE32 8->34 dropped 36 C:\Users\user\AppData\Local\...\tmp4A2B.tmp, XML 8->36 dropped 60 Uses schtasks.exe or at.exe to add and modify task schedules 8->60 62 Adds a directory exclusion to Windows Defender 8->62 14 MRKU8781602.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        22 MRKU8781602.exe 8->22         started        64 Multi AV Scanner detection for dropped file 12->64 66 Machine Learning detection for dropped file 12->66 24 KnPVuHi.exe 14 2 12->24         started        26 schtasks.exe 1 12->26         started        signatures6 process7 dnsIp8 44 aborters.duckdns.org 51.38.247.67, 49737, 49739, 49742 OVHFR France 14->44 46 checkip.dyndns.com 193.122.130.0, 49707, 49711, 49713 ORACLE-BMC-31898US United States 14->46 48 reallyfreegeoip.org 172.67.177.134, 443, 49709, 49710 CLOUDFLARENETUS United States 14->48 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        68 Tries to steal Mail credentials (via file / registry access) 24->68 70 Tries to harvest and steal browser information (history, passwords, etc) 24->70 32 conhost.exe 26->32         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2f40d74392783bac7663d32193b2200511aff2a76bb83bc3dc6cef37ae8d966a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-12-06 16:22:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=f5anoq4spa52y5td2mqzhmraaui274vhno4dxq64ntxtplunszva._file
Result
Malware family:
snakekeylogger
Create hunting rule
Score:
  10/10
Tags:
family:snakekeylogger collection keylogger spyware stealer
Link:
https://tria.ge/reports/231206-tvbtdsed5s/
Behaviour
Creates scheduled task(s)
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
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Snake Keylogger
Snake Keylogger payload
Unpacked files
SH256 hash:
797e57bd74a68f7b4808a213f5c319ee4f4b023bc73088175d4393dfee9fe329
MD5 hash:
3c927935fbd608e7628cc2c5ad7d52fd
SHA1 hash:
ee0c880c0614ac960fd641f7d479233584aed1d8
Link:
https://www.unpac.me/results/a85393d1-33c1-4ba8-88e8-1fdefd84b9d0/
SH256 hash:
e72b64e3119db4738c1525a4f336d9343da4196939b9e38143c684b5f1e1b5aa
MD5 hash:
dde684e9f1482a79b0dc510cb9f5fcf9
SHA1 hash:
a39dddb3e0d3408e46b7ec63ec0477fd613b4546
Link:
https://www.unpac.me/results/a85393d1-33c1-4ba8-88e8-1fdefd84b9d0/
SH256 hash:
a863973e8a9883c0e7e2071d0be55cb86340ace1a6a3af443ef84444a0cd7ad9
MD5 hash:
9f54ad2a09dd65b96995bb14f4db794a
SHA1 hash:
8fa0c7d1e67f48709ccefaa766f6de29f46d3501
Link:
https://www.unpac.me/results/a85393d1-33c1-4ba8-88e8-1fdefd84b9d0/
SH256 hash:
3749c349683e7d84f5024ec164d362ad56c11d8643a359e89e62e6915eb7df24
MD5 hash:
a3c90caf16dd832436b3553aebf119a6
SHA1 hash:
342465e80433a1f3f0d636eba7fedb6152d516aa
Detections:
snake_keylogger
Create hunting rule
win_404keylogger_g1
Create hunting rule
MAL_Envrial_Jan18_1
Create hunting rule
MALWARE_Win_SnakeKeylogger
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Link:
https://www.unpac.me/results/a85393d1-33c1-4ba8-88e8-1fdefd84b9d0/
Parent samples :
1ab6ad1baf7099b79f78d5cc575dc08d33320b1f607b6fa038432c3a27fb2dfd
dd85a193900788d9b13eabcaa02085cdf8a72cb5d3d4e3444ec1bd741c6721f2
2f40d74392783bac7663d32193b2200511aff2a76bb83bc3dc6cef37ae8d966a
bfbf5dd88bd0bcb0169682724a95c62cf0f9ca2f029e6cfe16cb9b00d0c08428
e9f88073d5491f31b1adfaea06537b8601075e4cf5990a415248ae0508240126
SH256 hash:
2f40d74392783bac7663d32193b2200511aff2a76bb83bc3dc6cef37ae8d966a
MD5 hash:
6849ae72667b2948e606b358cba434df
SHA1 hash:
b15340b67a4ec975ef6d4a5f185e82f24f1a1a23
Link:
https://www.unpac.me/results/a85393d1-33c1-4ba8-88e8-1fdefd84b9d0/
Malware family:
SnakeKeylogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2f40d7439278/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2f40d74392783bac7663d32193b2200511aff2a76bb83bc3dc6cef37ae8d966a

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

SnakeKeylogger

Executable exe 2f40d74392783bac7663d32193b2200511aff2a76bb83bc3dc6cef37ae8d966a

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/462911/

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