MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a7c732e04071421b16fceefad0a2a2c046d8d59b2ece54f50f89645b4eac10d. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: 4a7c732e04071421b16fceefad0a2a2c046d8d59b2ece54f50f89645b4eac10d
SHA3-384 hash: ee776b656aed375c86acfba7ac49a3b39c1be7b0d748075efb07732b6849f09b56b0474099cd5ae379b923238ab42d9c
SHA1 hash: 228d6b4081c9610668b2d30eb75c121ab27bf3ef
MD5 hash: 035cd7d854598083698309c35362ee32
humanhash: high-hot-floor-utah
File name:Halkbank_Ekstre_20221028_08.pdf.exe
Download: download sample
Signature SnakeKeylogger
File size:522'240 bytes
First seen:2022-10-28 09:25:10 UTC
Last seen:2022-10-28 16:17:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'664 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Ah7BAlmq96AaKDtp99uNd6mmFlhUa7HqF3tDdV5EyLhkQH:Y094SpIuE8qFxL5EyLhk
Threatray 8'447 similar samples on MalwareBazaar
TLSH T165B412953514B19FCE4BC7729A9C5CE0BF3118B6536FD293900325EC6A4ED5BCB1A0E2
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon f4f4ac8cacacd4d4 (85 x Heodo, 11 x Formbook, 10 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe geo Halkbank SnakeKeylogger TUR

Intelligence


File Origin
# of uploads :
2
# of downloads :
254
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Halkbank_Ekstre_20221028_08.pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-10-28 09:59:51 UTC
Tags:
evasion trojan snake

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
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
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
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
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 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
Uses the Telegram API (likely for C&C communication)
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 732949 Sample: Halkbank_Ekstre_20221028_08... Startdate: 28/10/2022 Architecture: WINDOWS Score: 100 40 checkip.dyndns.org 2->40 42 checkip.dyndns.com 2->42 54 Snort IDS alert for network traffic 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Sigma detected: Scheduled temp file as task from temp location 2->58 60 13 other signatures 2->60 8 Halkbank_Ekstre_20221028_08.pdf.exe 7 2->8         started        12 IbLrcFrhrEkd.exe 5 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\...\IbLrcFrhrEkd.exe, PE32 8->32 dropped 34 C:\Users\...\IbLrcFrhrEkd.exe:Zone.Identifier, ASCII 8->34 dropped 36 C:\Users\user\AppData\Local\...\tmp7E17.tmp, XML 8->36 dropped 38 Halkbank_Ekstre_20221028_08.pdf.exe.log, CSV 8->38 dropped 62 May check the online IP address of the machine 8->62 64 Uses schtasks.exe or at.exe to add and modify task schedules 8->64 66 Adds a directory exclusion to Windows Defender 8->66 14 Halkbank_Ekstre_20221028_08.pdf.exe 15 2 8->14         started        18 powershell.exe 19 8->18         started        20 schtasks.exe 1 8->20         started        68 Machine Learning detection for dropped file 12->68 22 IbLrcFrhrEkd.exe 2 12->22         started        24 schtasks.exe 1 12->24         started        signatures6 process7 dnsIp8 44 checkip.dyndns.com 132.226.247.73, 49699, 80 UTMEMUS United States 14->44 46 checkip.dyndns.org 14->46 48 api.telegram.org 149.154.167.220, 443, 49700, 49701 TELEGRAMRU United Kingdom 14->48 26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        50 193.122.6.168, 49718, 80 ORACLE-BMC-31898US United States 22->50 52 checkip.dyndns.org 22->52 70 Tries to steal Mail credentials (via file / registry access) 22->70 72 Tries to harvest and steal ftp login credentials 22->72 74 Tries to harvest and steal browser information (history, passwords, etc) 22->74 30 conhost.exe 24->30         started        signatures9 process10
Threat name:
ByteCode-MSIL.Spyware.SnakeLogger
Status:
Malicious
First seen:
2022-10-28 10:26:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
18 of 26 (69.23%)
Threat level:
  2/5
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot5582701255:AAG6EwFmBC6AWDB7ijWIdb3jOpyBEYRlBgU/sendMessage?chat_id=1856108848
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
b4e45937a1926b7e4e6cfc2aeabbb8a746ca58069cf67a92045a9ec262fbc53b
MD5 hash:
48b7ae2cd01407a2fc2f02804e351e0e
SHA1 hash:
e2c3c048322bb9714b354319c3253891a7398e18
SH256 hash:
248a7c4997aacb14ca032daf9668636839f921d0a3403f09a3b0ccfdc948cbf1
MD5 hash:
a7952169b04a2c6a39661aad59e79dcf
SHA1 hash:
88722f1a32c913307c0c6385b04478a79fabd12b
SH256 hash:
7f272c4db499b1501a5ea1711d23de0e6a0c07faf16275e9b01722dae889c7c9
MD5 hash:
dd8b9511dda8eb7c84e1621046828883
SHA1 hash:
7f715270ffcadcba5c3148d2a0cecfaaf6c2e805
SH256 hash:
8b9022ce3e41bcd6c75476e49bb36506fde15827b14e88c7381cfb5078c9e9ab
MD5 hash:
8cd6681826949e95316b7276f1d2483f
SHA1 hash:
70783cea076abbfbde956a08862aa143e837b3f8
SH256 hash:
4a7c732e04071421b16fceefad0a2a2c046d8d59b2ece54f50f89645b4eac10d
MD5 hash:
035cd7d854598083698309c35362ee32
SHA1 hash:
228d6b4081c9610668b2d30eb75c121ab27bf3ef
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 4a7c732e04071421b16fceefad0a2a2c046d8d59b2ece54f50f89645b4eac10d

(this sample)

  
Delivery method
Distributed via e-mail attachment

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