MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a436b06aed9437e48c2aa467ebd238404e4e6b95916e76208542438e9c810ac4. 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: a436b06aed9437e48c2aa467ebd238404e4e6b95916e76208542438e9c810ac4
SHA3-384 hash: 4ff3156e7e09d1727f0d2bbadb189b00fc4de79c939f9eab17bc6fe0f001398dee5680b14a617e19518ca53fcc6193cc
SHA1 hash: 99647712b5fc8a2daf39d6444721cae5befe8277
MD5 hash: ab14747be854eb141e66de86b9280696
humanhash: twelve-ceiling-grey-tango
File name:dekont.pdf.exe
Download: download sample
Signature SnakeKeylogger
Create hunting rule
File size:763'904 bytes
First seen:2022-11-21 20:13:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:Icr2iNvsOL/GXh8L74mBfNUstzo4skYwCmv5+EuI/55fNLlCuy3rUNVJNT:br18+L74mBfNUstzo0yOn5fNLYX3r8JN
TLSH T177F4194F2A7FDDE0EB246CFB22155703AE355DE9AA8BCA6C43943BC650F261C5B70424
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:Dofoil exe SnakeKeylogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
313
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
dekont.pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-11-21 20:17:46 UTC
Tags:
evasion trojan snake keylogger
Link:
https://app.any.run/tasks/d6de8216-d5ef-4965-aa55-ec7b990e06fa

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/336936/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/637bdc0bfe423916e8d072be/reports/318f1de5-2c47-481d-9953-0e24c861eed8/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/17029c15-1868-43b5-89c8-2899cfdde2e5
Result
Threat name:
Snake Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1118470
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
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: 751182 Sample: dekont.pdf.exe Startdate: 21/11/2022 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Sigma detected: Scheduled temp file as task from temp location 2->51 53 10 other signatures 2->53 7 dekont.pdf.exe 7 2->7         started        11 tyVugWeN.exe 5 2->11         started        process3 file4 31 C:\Users\user\AppData\Roaming\tyVugWeN.exe, PE32 7->31 dropped 33 C:\Users\...\tyVugWeN.exe:Zone.Identifier, ASCII 7->33 dropped 35 C:\Users\user\AppData\Local\...\tmp5FCD.tmp, XML 7->35 dropped 37 C:\Users\user\AppData\...\dekont.pdf.exe.log, ASCII 7->37 dropped 55 May check the online IP address of the machine 7->55 57 Uses schtasks.exe or at.exe to add and modify task schedules 7->57 59 Adds a directory exclusion to Windows Defender 7->59 13 dekont.pdf.exe 15 2 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        61 Machine Learning detection for dropped file 11->61 63 Injects a PE file into a foreign processes 11->63 21 tyVugWeN.exe 14 2 11->21         started        23 schtasks.exe 1 11->23         started        signatures5 process6 dnsIp7 39 checkip.dyndns.com 132.226.247.73, 49698, 80 UTMEMUS United States 13->39 41 checkip.dyndns.org 13->41 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        43 132.226.8.169, 49699, 80 UTMEMUS United States 21->43 45 checkip.dyndns.org 21->45 65 Tries to steal Mail credentials (via file / registry access) 21->65 67 Tries to harvest and steal ftp login credentials 21->67 69 Tries to harvest and steal browser information (history, passwords, etc) 21->69 29 conhost.exe 23->29         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a436b06aed9437e48c2aa467ebd238404e4e6b95916e76208542438e9c810ac4/
Threat name:
Win32.Backdoor.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2022-11-21 19:04:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
25 of 41 (60.98%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uq3la2xnsq36jdbkurt6xuryibhe424vsfxhmiefijby5hebblca._file
Verdict:
malicious
Result
Malware family:
snakekeylogger
Create hunting rule
Score:
  10/10
Tags:
family:snakekeylogger collection keylogger spyware stealer
Link:
https://tria.ge/reports/221121-yzzhgaac4x/
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:
5c6796c0a0deedfe483408b586a1fa4daffb03abe1950dd60cb1e6a8abcd0f5d
MD5 hash:
90bdf0c586ca981a550d53faee17740b
SHA1 hash:
d2becb8925881fc97c73f585dbfaabb932c1889f
Detections:
snake_keylogger
Create hunting rule
Link:
https://www.unpac.me/results/228dcf4b-430d-4a9d-b409-bd4368202781/
Parent samples :
a436b06aed9437e48c2aa467ebd238404e4e6b95916e76208542438e9c810ac4
a98c90428efde7716e3b0be5f81ab67bb4c9f0f0cbb7d77258e64c18a50e20cb
bf02f7e41f593c0f4bf6d5a8b97e0fefeb07763d62f35a9fe6705cca56bb895e
SH256 hash:
0c80f44adba12dd6e45ab6fb5ea6dc70f60a82c2c18da4d3abb0ad5c9c86dd45
MD5 hash:
6e4d9e63789c8e67f5fb2b40240c4ee0
SHA1 hash:
b6e2945d1dcfd3815437add6201b1606c65cba9b
Link:
https://www.unpac.me/results/228dcf4b-430d-4a9d-b409-bd4368202781/
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
Link:
https://www.unpac.me/results/228dcf4b-430d-4a9d-b409-bd4368202781/
SH256 hash:
a55905ea9045bf5274839b9461c0712b012c1d3c0708ce9208d384b55153e34f
MD5 hash:
21cb9ed7c67ef92f662710b8848a9e3c
SHA1 hash:
4ae271c7f111cff4e75c5e9cbecba31597502a25
Link:
https://www.unpac.me/results/228dcf4b-430d-4a9d-b409-bd4368202781/
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
Link:
https://www.unpac.me/results/228dcf4b-430d-4a9d-b409-bd4368202781/
SH256 hash:
a436b06aed9437e48c2aa467ebd238404e4e6b95916e76208542438e9c810ac4
MD5 hash:
ab14747be854eb141e66de86b9280696
SHA1 hash:
99647712b5fc8a2daf39d6444721cae5befe8277
Link:
https://www.unpac.me/results/228dcf4b-430d-4a9d-b409-bd4368202781/
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/a436b06aed9437e48c2aa467ebd238404e4e6b95916e76208542438e9c810ac4

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.

Cape
Cape
https://www.capesandbox.com/analysis/336936/

Comments