MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca31d3dda6487773b84e7d0624b9837f0cbe6257ba9598f8cafb98b07abf250f. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ca31d3dda6487773b84e7d0624b9837f0cbe6257ba9598f8cafb98b07abf250f
SHA3-384 hash: 93de72a37c26b12c87abc6fc99f8e18aa6fba90f0b5eab7c5d5f16b4dee926aa718fd8446a4908df0c01591b1b2f34c4
SHA1 hash: 68a34c5d5650e48123316a0d51ac2ef34df287e2
MD5 hash: 8d889d81be6ef86a465290dd7c635002
humanhash: carbon-vermont-six-winner
File name:Request to Buy Pengasius, Frozen Sardines and Fish.pdf.exe
Download: download sample
Signature SnakeKeylogger
Create hunting rule
File size:962'560 bytes
First seen:2022-11-08 18:52:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'749 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 12288:cmKg5UxQiE2iNpntQRjNzdz15Z+VIr3s7nqTFY9Z49GmW7bLjCxdlBomN5Lkpq:CQ2E1PtQ7djEqrmAFj9Gm0bLGz0mN9L
Threatray 2'909 similar samples on MalwareBazaar
TLSH T17325DF5C57959E65D0AF877EC0A04420D374E31AE6AFE7294EC060EC9DB3721EE5A2C3
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13097/50/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe SnakeKeylogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
189
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Request to Buy Pengasius, Frozen Sardines and Fish.pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-11-08 18:55:45 UTC
Tags:
evasion trojan snake keylogger
Link:
https://app.any.run/tasks/16ed0e36-af16-4ddb-81ee-025a3604e586

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/330799/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/636aa58f38db7c2a0385fb5f/reports/8a996b82-0599-41b7-a2c6-65b08a80dff5/overview
Result
Verdict:
UNKNOWN
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/87bb98a0-5c3c-4c14-9962-b62135767ad6
Result
Threat name:
Snake Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1108541
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
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: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
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 signatures2 2 Behavior Graph ID: 741206 Sample: Request to Buy Pengasius, F... Startdate: 08/11/2022 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Sigma detected: Scheduled temp file as task from temp location 2->53 55 14 other signatures 2->55 7 YBvIIPbCAETry.exe 5 2->7         started        10 Request to Buy Pengasius, Frozen Sardines and Fish.pdf.exe 7 2->10         started        process3 file4 57 Multi AV Scanner detection for dropped file 7->57 59 May check the online IP address of the machine 7->59 61 Machine Learning detection for dropped file 7->61 13 YBvIIPbCAETry.exe 14 2 7->13         started        17 schtasks.exe 1 7->17         started        31 C:\Users\user\AppData\...\YBvIIPbCAETry.exe, PE32 10->31 dropped 33 C:\...\YBvIIPbCAETry.exe:Zone.Identifier, ASCII 10->33 dropped 35 C:\Users\user\AppData\Local\...\tmp6EE2.tmp, XML 10->35 dropped 37 Request to Buy Pen...nd Fish.pdf.exe.log, ASCII 10->37 dropped 63 Adds a directory exclusion to Windows Defender 10->63 65 Injects a PE file into a foreign processes 10->65 19 Request to Buy Pengasius, Frozen Sardines and Fish.pdf.exe 15 2 10->19         started        21 powershell.exe 21 10->21         started        23 schtasks.exe 1 10->23         started        signatures5 process6 dnsIp7 39 158.101.44.242, 49712, 80 ORACLE-BMC-31898US United States 13->39 41 checkip.dyndns.org 13->41 67 Tries to steal Mail credentials (via file / registry access) 13->67 69 Tries to harvest and steal ftp login credentials 13->69 71 Tries to harvest and steal browser information (history, passwords, etc) 13->71 25 conhost.exe 17->25         started        43 checkip.dyndns.com 132.226.247.73, 49710, 80 UTMEMUS United States 19->43 45 checkip.dyndns.org 19->45 47 192.168.2.1 unknown unknown 19->47 27 conhost.exe 21->27         started        29 conhost.exe 23->29         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ca31d3dda6487773b84e7d0624b9837f0cbe6257ba9598f8cafb98b07abf250f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-11-08 17:03:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ziy5hxngjb3xhocopudcjomdp4gl4ysxxkkzr6gk7omla6v7euhq._file
Verdict:
malicious
Similar samples:
0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6
SnakeKeylogger
03eec36713cca07f95690407d15153746c46d7b12ea84390b68b4cdfee1efce7
SnakeKeylogger
30510789fc5cc03c7c3f9bf84f02bb1ba48cedc47a91c55611139ce90c8688ef
SnakeKeylogger
4ade79259ddc557d6b0abf68de4b5fbe61e532db6eae5b29ef30e3a71bbf17e2
SnakeKeylogger
72591e77bbafe38b00b3946db0ac4dfd559ff18a13562d6e58a9bdb10a668ae9
SnakeKeylogger
bd101151493572e15312c745f4216063668d99a1ac5d24584595975eb5ecde1f
SnakeKeylogger
c9089b729c04a9c07067163df4e244a66e9ecf8122510f5d93aa9f2c1142039a
SnakeKeylogger
+ 2'899 additional samples on MalwareBazaar
Result
Malware family:
snakekeylogger
Create hunting rule
Score:
  10/10
Tags:
family:snakekeylogger collection keylogger spyware stealer
Link:
https://tria.ge/reports/221108-xjl2rsebel/
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 data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Snake Keylogger
Snake Keylogger payload
Unpacked files
SH256 hash:
841a67bef88b26fe37d2fca2a613d206757ad6d955118fa9136852d5c292e1cd
MD5 hash:
38b2257aae526f798352a9d31c06ffe9
SHA1 hash:
ffd69166c8d019e283e209fd79f9c5a9dc87a57b
Link:
https://www.unpac.me/results/ff37093e-4985-44ca-8dca-0c0a6d3dca6a/
SH256 hash:
582cbd43a3c2efa3b9b0b3936ffe56b2f86026419fa79117bcf43d1a0ceb9554
MD5 hash:
3de45149b010ce499fd97511f9d8b22e
SHA1 hash:
f34040faaa1fe2651b48276aa5d728a8ffb84e4a
Detections:
snake_keylogger
Create hunting rule
Link:
https://www.unpac.me/results/ff37093e-4985-44ca-8dca-0c0a6d3dca6a/
Parent samples :
f7b5512ca0d67dbe16d59a5ccfc7bbd5f59021adcb6fac0b09dd5533aac6e820
1ab39b59bd987548de3ae8715b9270a1c55dbee9c8a3a73a6a6bf7317d4f7075
38662e4581c093a8ec9254756bd59aa99f8d579434034ace17deea99fe2eb27e
ca31d3dda6487773b84e7d0624b9837f0cbe6257ba9598f8cafb98b07abf250f
23a56b8eaf027a2efdd129fcf2923c6e9dcabe0161d75beb14f8a0b8d3930b87
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
Link:
https://www.unpac.me/results/ff37093e-4985-44ca-8dca-0c0a6d3dca6a/
SH256 hash:
5df2ecaf161db4cba6eeda765762216bffadf27130a997a63e4b470592c7417f
MD5 hash:
8d70c564e0074677583f82f2f10a0702
SHA1 hash:
415da72deca69e35632418bbbf6d8034707e1c28
Link:
https://www.unpac.me/results/ff37093e-4985-44ca-8dca-0c0a6d3dca6a/
SH256 hash:
92bd802a0f7eb1213758a6c1a4c07302e0320c3a2aeb6273b0303dd3bbdefe90
MD5 hash:
046e97119545e5abde2f40b5dc3a0344
SHA1 hash:
3e69b67ddff2554c8cd72e129d4da9c8acd9d331
Link:
https://www.unpac.me/results/ff37093e-4985-44ca-8dca-0c0a6d3dca6a/
SH256 hash:
ca31d3dda6487773b84e7d0624b9837f0cbe6257ba9598f8cafb98b07abf250f
MD5 hash:
8d889d81be6ef86a465290dd7c635002
SHA1 hash:
68a34c5d5650e48123316a0d51ac2ef34df287e2
Link:
https://www.unpac.me/results/ff37093e-4985-44ca-8dca-0c0a6d3dca6a/
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/ca31d3dda6487773b84e7d0624b9837f0cbe6257ba9598f8cafb98b07abf250f

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: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 ca31d3dda6487773b84e7d0624b9837f0cbe6257ba9598f8cafb98b07abf250f

(this sample)

  
Dropped by
SnakeKeylogger
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/330799/

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