MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23a56b8eaf027a2efdd129fcf2923c6e9dcabe0161d75beb14f8a0b8d3930b87. 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: 23a56b8eaf027a2efdd129fcf2923c6e9dcabe0161d75beb14f8a0b8d3930b87
SHA3-384 hash: f390438f024d5ca75f8a83f068f3aa46fca3006f2468feda792597ec38e6562255e165f1f1653b77716da851be527c99
SHA1 hash: 00afdf6156670db8b934561b688052f6d48a429b
MD5 hash: 58ca0e988e5624a1277b3d1c515eb4c3
humanhash: nevada-snake-video-east
File name:New Purchase Enquiry.pdf.exe
Download: download sample
Signature SnakeKeylogger
File size:994'304 bytes
First seen:2022-11-15 11:36:40 UTC
Last seen:2022-11-15 13:54:09 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:aUEkYUrDdqJvI74ebOh/u3Pzb9nok1ksA0w/vRqVXA56swBBM+4:aUkU9IvI7LOhm3PzRon065+XswXM+4
Threatray 5'766 similar samples on MalwareBazaar
TLSH T10425BFA034B02FB8E67EDBF68668166483F33DA5625AF64E5CD070EE1533F924620D17
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 adrian__luca
Tags:exe SnakeKeylogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
New Purchase Enquiry.pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-11-15 12:02:49 UTC
Tags:
evasion trojan snake keylogger

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

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Launching the default Windows debugger (dwwin.exe)
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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
Verdict:
Malicious
Result
Threat name:
Snake Keylogger
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 746943 Sample: New Purchase Enquiry.pdf.exe Startdate: 15/11/2022 Architecture: WINDOWS Score: 100 53 Snort IDS alert for network traffic 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 Sigma detected: Scheduled temp file as task from temp location 2->57 59 14 other signatures 2->59 7 QCZAufCrHYpn.exe 5 2->7         started        10 New Purchase Enquiry.pdf.exe 7 2->10         started        process3 file4 61 Multi AV Scanner detection for dropped file 7->61 63 May check the online IP address of the machine 7->63 65 Machine Learning detection for dropped file 7->65 13 QCZAufCrHYpn.exe 7->13         started        17 schtasks.exe 7->17         started        35 C:\Users\user\AppData\...\QCZAufCrHYpn.exe, PE32 10->35 dropped 37 C:\Users\...\QCZAufCrHYpn.exe:Zone.Identifier, ASCII 10->37 dropped 39 C:\Users\user\AppData\Local\...\tmpA05F.tmp, XML 10->39 dropped 41 C:\Users\...41ew Purchase Enquiry.pdf.exe.log, ASCII 10->41 dropped 67 Adds a directory exclusion to Windows Defender 10->67 69 Injects a PE file into a foreign processes 10->69 19 New Purchase Enquiry.pdf.exe 15 2 10->19         started        21 powershell.exe 21 10->21         started        23 powershell.exe 21 10->23         started        25 schtasks.exe 1 10->25         started        signatures5 process6 dnsIp7 43 158.101.44.242, 49721, 80 ORACLE-BMC-31898US United States 13->43 45 checkip.dyndns.org 13->45 71 Tries to steal Mail credentials (via file / registry access) 13->71 73 Tries to harvest and steal ftp login credentials 13->73 75 Tries to harvest and steal browser information (history, passwords, etc) 13->75 27 conhost.exe 17->27         started        47 checkip.dyndns.com 193.122.6.168, 49718, 80 ORACLE-BMC-31898US United States 19->47 49 checkip.dyndns.org 19->49 51 192.168.2.1 unknown unknown 19->51 29 conhost.exe 21->29         started        31 conhost.exe 23->31         started        33 conhost.exe 25->33         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-11-08 08:55:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
31
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Result
Malware family:
snakekeylogger
Score:
  10/10
Tags:
family:snakekeylogger 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 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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
e1de724d60dd6532e7f2f129790eba53a539cace356cca74a80aa49ce57c81f4
MD5 hash:
89a84ff9e9330b3180b1b7957e2b9b97
SHA1 hash:
d07a2b8cae2e0a2b9e81cdc813c892706d8dcfb8
SH256 hash:
bc444c4ec803b91da7af06cb0eb233fe69f565067f89544bf750fc17a9ede6dd
MD5 hash:
b52058082749f08bbcb7036b0d4189e8
SHA1 hash:
90365baf6b18ff3139da00cd5caf30660643110e
SH256 hash:
f511b2e7827c3c2a88ef08d25866b1f3d1f83791b34c699a616506fc450886b9
MD5 hash:
54c15c8633eb3228e82051bc607f4d85
SHA1 hash:
6d58d854cc19350bc54dab2b78cc071ea037a9d4
SH256 hash:
92bd802a0f7eb1213758a6c1a4c07302e0320c3a2aeb6273b0303dd3bbdefe90
MD5 hash:
046e97119545e5abde2f40b5dc3a0344
SHA1 hash:
3e69b67ddff2554c8cd72e129d4da9c8acd9d331
SH256 hash:
23a56b8eaf027a2efdd129fcf2923c6e9dcabe0161d75beb14f8a0b8d3930b87
MD5 hash:
58ca0e988e5624a1277b3d1c515eb4c3
SHA1 hash:
00afdf6156670db8b934561b688052f6d48a429b
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.

Malspam

SnakeKeylogger

Executable exe 23a56b8eaf027a2efdd129fcf2923c6e9dcabe0161d75beb14f8a0b8d3930b87

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments