MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfbf5dd88bd0bcb0169682724a95c62cf0f9ca2f029e6cfe16cb9b00d0c08428. 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: bfbf5dd88bd0bcb0169682724a95c62cf0f9ca2f029e6cfe16cb9b00d0c08428
SHA3-384 hash: e276f2683eecd07f6e3c139d7de869a5e6c337fa275c67d8e9baf3194b8bc4aef2a5192db84aa5291ee2c750eb5525e1
SHA1 hash: 562ce8d3bfe44cef9261329b7eeb59c10c81ec8e
MD5 hash: ec3c1af717cb658836c84d141a1af89d
humanhash: spring-finch-twelve-wyoming
File name:Maersk MRKU8781602.exe
Download: download sample
Signature SnakeKeylogger
Create hunting rule
File size:804'352 bytes
First seen:2023-12-08 18:32:10 UTC
Last seen:2023-12-08 20:26:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:uGtCFh/gh4DmBmPz4qYKfnUkk15pvvj1rWL4g:CFh/wlMPzffBk1jb1qL4g
TLSH T18A05A03C58BE1A37D076C2AACFE88967F540947F3A21AD6A84D787550346AD374C323E
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 Maersk SnakeKeylogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
324
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
Snake
Create hunting rule
Link:
https://www.capesandbox.com/analysis/463746/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP 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%
Link:
https://www.filescan.io/uploads/657361608b5ba47db2d8c8ba/reports/3786e65d-e1e5-4c35-832a-c48bb60d8293/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/bfbf5dd88bd0bcb0169682724a95c62cf0f9ca2f029e6cfe16cb9b00d0c08428
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/1174095a-113c-4ba3-8bf7-fe4582488c5c
Result
Threat name:
Snake Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1356511
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
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: 1356511 Sample: Maersk_MRKU8781602.exe Startdate: 08/12/2023 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 Antivirus / Scanner detection for submitted sample 2->52 54 Sigma detected: Scheduled temp file as task from temp location 2->54 58 10 other signatures 2->58 8 PFuKTOkjRFEwum.exe 5 2->8         started        11 Maersk_MRKU8781602.exe 7 2->11         started        signatures3 56 Uses dynamic DNS services 38->56 process4 file5 60 Antivirus detection for dropped file 8->60 62 Multi AV Scanner detection for dropped file 8->62 64 Machine Learning detection for dropped file 8->64 66 Injects a PE file into a foreign processes 8->66 14 PFuKTOkjRFEwum.exe 8->14         started        17 schtasks.exe 1 8->17         started        19 PFuKTOkjRFEwum.exe 8->19         started        34 C:\Users\user\AppData\...\PFuKTOkjRFEwum.exe, PE32 11->34 dropped 36 C:\Users\user\AppData\Local\Temp\tmp25F.tmp, XML 11->36 dropped 68 Uses schtasks.exe or at.exe to add and modify task schedules 11->68 70 Adds a directory exclusion to Windows Defender 11->70 21 Maersk_MRKU8781602.exe 15 2 11->21         started        24 powershell.exe 23 11->24         started        26 schtasks.exe 1 11->26         started        signatures6 process7 dnsIp8 72 Tries to steal Mail credentials (via file / registry access) 14->72 74 Tries to harvest and steal browser information (history, passwords, etc) 14->74 28 conhost.exe 17->28         started        44 aborters.duckdns.org 51.38.247.67, 49741, 49743, 49744 OVHFR France 21->44 46 checkip.dyndns.com 132.226.8.169, 49709, 49712, 49715 UTMEMUS United States 21->46 48 reallyfreegeoip.org 172.67.177.134, 443, 49711, 49713 CLOUDFLARENETUS United States 21->48 30 conhost.exe 24->30         started        32 conhost.exe 26->32         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bfbf5dd88bd0bcb0169682724a95c62cf0f9ca2f029e6cfe16cb9b00d0c08428
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bfbf5dd88bd0bcb0169682724a95c62cf0f9ca2f029e6cfe16cb9b00d0c08428/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-12-08 15:07:43 UTC
AV detection:
22 of 35 (62.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x67v3wel2c6lafuwqjzevfogftyptsrpakpgz7qwzonqbugaqqua._file
Result
Malware family:
snakekeylogger
Create hunting rule
Score:
  10/10
Tags:
family:snakekeylogger collection keylogger spyware stealer
Link:
https://tria.ge/reports/231208-w67fjsdde5/
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
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Snake Keylogger
Snake Keylogger payload
Unpacked files
SH256 hash:
7457acd5f09f4c5e844cab1b0010a2f65c00a819d610d53272178e1538ac2278
MD5 hash:
e38aa126ee143df77575bbe8551e668f
SHA1 hash:
8eb2e7080bc166f463155a8b6aea0aac987cf697
Link:
https://www.unpac.me/results/b006f197-bcdf-451d-add7-73cf852accc9/
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/b006f197-bcdf-451d-add7-73cf852accc9/
Parent samples :
1ab6ad1baf7099b79f78d5cc575dc08d33320b1f607b6fa038432c3a27fb2dfd
dd85a193900788d9b13eabcaa02085cdf8a72cb5d3d4e3444ec1bd741c6721f2
2f40d74392783bac7663d32193b2200511aff2a76bb83bc3dc6cef37ae8d966a
bfbf5dd88bd0bcb0169682724a95c62cf0f9ca2f029e6cfe16cb9b00d0c08428
e9f88073d5491f31b1adfaea06537b8601075e4cf5990a415248ae0508240126
SH256 hash:
119f6f30e19a643f2412a6c816494831cce5768865b8adb818bb98a69e660c32
MD5 hash:
e6ef0a87b07c4ae1e257ff7a45948f75
SHA1 hash:
2b1011495393d366d7627fa5a862dbc709974af6
Link:
https://www.unpac.me/results/b006f197-bcdf-451d-add7-73cf852accc9/
SH256 hash:
872eeb561233f6b27e5307890162c13fafbf5f63234eb2577a290b55a7e56b09
MD5 hash:
0b474cb1779c8e711c2519065d5044e8
SHA1 hash:
004bf308957d96a603c79baf1111b785e47c458e
Link:
https://www.unpac.me/results/b006f197-bcdf-451d-add7-73cf852accc9/
SH256 hash:
bfbf5dd88bd0bcb0169682724a95c62cf0f9ca2f029e6cfe16cb9b00d0c08428
MD5 hash:
ec3c1af717cb658836c84d141a1af89d
SHA1 hash:
562ce8d3bfe44cef9261329b7eeb59c10c81ec8e
Link:
https://www.unpac.me/results/b006f197-bcdf-451d-add7-73cf852accc9/
Malware family:
SnakeKeylogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bfbf5dd88bd0/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/bfbf5dd88bd0bcb0169682724a95c62cf0f9ca2f029e6cfe16cb9b00d0c08428

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 bfbf5dd88bd0bcb0169682724a95c62cf0f9ca2f029e6cfe16cb9b00d0c08428

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/463746/

Comments