MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20fb89955cb329bf5597f90a7510f92a33ab31d05c21e1374a52e89dde377a91. 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 2 File information Comments

SHA256 hash: 20fb89955cb329bf5597f90a7510f92a33ab31d05c21e1374a52e89dde377a91
SHA3-384 hash: facda1f7db45715b6ac4f19f1fffac2757c6e6f336ec259abaec18a9cbdff402233ffa77e245b16651f5dc36fda431e1
SHA1 hash: d0b3a2066f1a3aaf34431c4e2cca840cbcb2136c
MD5 hash: da8c6efa2807d4a85dc2269f4f763951
humanhash: sad-may-spring-kansas
File name:Signed Purchase Order.exe
Download: download sample
Signature SnakeKeylogger
File size:592'384 bytes
First seen:2023-05-08 18:24:25 UTC
Last seen:2023-05-09 10:26:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:6LdowDNQo1KHtLUnJroFFxAK0h4pDyxJ:6LTNQhLUnJKLO
Threatray 886 similar samples on MalwareBazaar
TLSH T1C3C4F11172E9BF92E93E4BF42424724007B1316B64E4F6AD4DE2A4E97AE5F810741F2F
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:exe SnakeKeylogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
265
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Signed Purchase Order.exe
Verdict:
Malicious activity
Analysis date:
2023-05-08 18:29:28 UTC
Tags:
snake keylogger trojan evasion

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo jigsaw packed
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
Verdict:
Malicious
Result
Threat name:
Snake Keylogger, StormKitty
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected Generic Downloader
Yara detected Snake Keylogger
Yara detected StormKitty Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 861547 Sample: Signed_Purchase_Order.exe Startdate: 08/05/2023 Architecture: WINDOWS Score: 100 53 Snort IDS alert for network traffic 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 10 other signatures 2->59 7 Signed_Purchase_Order.exe 7 2->7         started        11 WNfTFZpuvqwY.exe 5 2->11         started        process3 file4 35 C:\Users\user\AppData\...\WNfTFZpuvqwY.exe, PE32 7->35 dropped 37 C:\Users\...\WNfTFZpuvqwY.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\Users\user\AppData\Local\...\tmpF379.tmp, XML 7->39 dropped 41 C:\Users\...\Signed_Purchase_Order.exe.log, ASCII 7->41 dropped 61 May check the online IP address of the machine 7->61 63 Uses schtasks.exe or at.exe to add and modify task schedules 7->63 65 Adds a directory exclusion to Windows Defender 7->65 67 Injects a PE file into a foreign processes 7->67 13 Signed_Purchase_Order.exe 15 2 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        21 Signed_Purchase_Order.exe 7->21         started        69 Multi AV Scanner detection for dropped file 11->69 71 Machine Learning detection for dropped file 11->71 23 WNfTFZpuvqwY.exe 2 11->23         started        25 schtasks.exe 1 11->25         started        signatures5 process6 dnsIp7 43 checkip.dyndns.com 132.226.247.73, 49711, 80 UTMEMUS United States 13->43 45 checkip.dyndns.org 13->45 47 api.telegram.org 149.154.167.220, 443, 49712 TELEGRAMRU United Kingdom 13->47 73 Tries to steal Mail credentials (via file / registry access) 13->73 75 Tries to harvest and steal browser information (history, passwords, etc) 13->75 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        49 158.101.44.242, 49713, 80 ORACLE-BMC-31898US United States 23->49 51 checkip.dyndns.org 23->51 31 WerFault.exe 23->31         started        33 conhost.exe 25->33         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-05-08 15:42:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
51
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
stormkitty
Score:
  10/10
Tags:
family:snakekeylogger family:stormkitty collection keylogger spyware stealer
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 web browsers
Snake Keylogger
Snake Keylogger payload
StormKitty
StormKitty payload
Malware Config
C2 Extraction:
https://api.telegram.org/bot5923227859:AAEYo__DCK9GpHPQHPaQXx_5mU4DPDQb_xs/sendMessage?chat_id=1965959123
Unpacked files
SH256 hash:
f1903c05a02d9280e75bc781fd5e3a2863b87b623ed2c3ea6aedec1ea1b9239b
MD5 hash:
d8ccac1af3cba4928851f048bd0cbe67
SHA1 hash:
ab8fa60432a8bee7b1b68220e6265e8f66e2f87c
SH256 hash:
16c255190eaaf1b60ec7d07abcac5f614ea197cee2416ca9d01bb563c526c87d
MD5 hash:
fb4ed205b442f470bbf10913128efdcb
SHA1 hash:
9a0a4c5ae429769e3253a9a3daefa24270b87a5b
SH256 hash:
5e080f4d113ff5593b01c31d3ff48ee2a9f8a9a986cc09b4b2a2cf54c31cb711
MD5 hash:
925cd742c6cc1aa4708065e96da42311
SHA1 hash:
408a7739e63830176ecaea7db88ac5cdac45331d
SH256 hash:
7d4d2727af16bd43a8b84684fcf9471ffac7adb5a99bab3476951c16dcdfa4c3
MD5 hash:
48f25f70764858909ab7fa96721f9d01
SHA1 hash:
1a8628d1c7ea6cf1d06dbfc58cbca14d32139fbd
SH256 hash:
20fb89955cb329bf5597f90a7510f92a33ab31d05c21e1374a52e89dde377a91
MD5 hash:
da8c6efa2807d4a85dc2269f4f763951
SHA1 hash:
d0b3a2066f1a3aaf34431c4e2cca840cbcb2136c
Malware family:
SnakeKeylogger
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments