MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2a6c37a9c06dd99e8b897fa89981cdfc0517469fdc49d6f4be416669c4e6fb1. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments

SHA256 hash: a2a6c37a9c06dd99e8b897fa89981cdfc0517469fdc49d6f4be416669c4e6fb1
SHA3-384 hash: 1bbd1e2b17bb7c62290f730d402704004f3646297a7f2b2669c74bcfdcc880b629207a6079938dda2922e5ea55f41d87
SHA1 hash: 719820b9e180b0424aed7c99539ddc1a6c06eedf
MD5 hash: d8b05157b3b2358b828ddf6a8c6ffb48
humanhash: india-violet-five-stairway
File name:Dekont.exe
Download: download sample
Signature SnakeKeylogger
File size:593'920 bytes
First seen:2023-11-22 14:21:26 UTC
Last seen:2023-11-22 16:22:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'472 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:/q8oUlQ9c6U0bR6zcVFnAr96sVrPn7zkt+rGEbma9B1S:FQfhRFGAslnPxXma9B1S
TLSH T1A9C40210B1B67B67E37D53F5495291280FF27AAF136AD3185CC6B0C66278B098A91F33
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 lowmal3
Tags:exe SnakeKeylogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
355
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Dekont.exe
Verdict:
Malicious activity
Analysis date:
2023-11-22 14:24:52 UTC
Tags:
n/a

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

Behaviour
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Sending a custom TCP request
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
DNS request
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Gathering data
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 contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses dynamic DNS services
Uses known network protocols on non-standard ports
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Snake Keylogger
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1346446 Sample: Dekont.exe Startdate: 22/11/2023 Architecture: WINDOWS Score: 100 40 aborters.duckdns.org 2->40 42 checkip.dyndns.org 2->42 44 4 other IPs or domains 2->44 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Sigma detected: Scheduled temp file as task from temp location 2->56 60 8 other signatures 2->60 8 Dekont.exe 7 2->8         started        12 nlkxCwAb.exe 4 2->12         started        signatures3 58 Uses dynamic DNS services 40->58 process4 file5 36 C:\Users\user\AppData\Roaming\nlkxCwAb.exe, PE32 8->36 dropped 38 C:\Users\user\AppData\Local\...\tmpEFD8.tmp, XML 8->38 dropped 62 Uses schtasks.exe or at.exe to add and modify task schedules 8->62 64 Adds a directory exclusion to Windows Defender 8->64 66 Injects a PE file into a foreign processes 8->66 14 Dekont.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        68 Multi AV Scanner detection for dropped file 12->68 70 Machine Learning detection for dropped file 12->70 24 nlkxCwAb.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 46 aborters.duckdns.org 51.38.247.67, 49745, 49746, 49748 OVHFR France 14->46 48 checkip.dyndns.com 132.226.8.169, 49714, 49717, 49719 UTMEMUS United States 14->48 50 reallyfreegeoip.org 104.21.67.152, 443, 49715, 49716 CLOUDFLARENETUS United States 14->50 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        72 Tries to steal Mail credentials (via file / registry access) 24->72 74 Tries to harvest and steal browser information (history, passwords, etc) 24->74 34 conhost.exe 26->34         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-11-22 09:57:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Verdict:
malicious
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 user/profile data of local email clients
Reads user/profile data of web browsers
Snake Keylogger
Snake Keylogger payload
Unpacked files
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
186bc47f84bd549cd52598955cdb159efc8f11c6c04ab3d72b42f2e85aeb7669
MD5 hash:
46f31ce406879d3fa817588414d40997
SHA1 hash:
86724872ac35ec0a7f2ba704c9ccb5b6120384f5
SH256 hash:
89b339f862735b029b913bf2c4983742e5e1eef6b4073d61b749bd469e964ac0
MD5 hash:
21c0b6cbf6a55a8e67f8e3b92a47917c
SHA1 hash:
3793166ed344048c58d3b431a8b0c9c610c2746d
SH256 hash:
df0add7aa3ade828d18b228e49fd18cc420a193d2ca96ba31b01dc92c303342c
MD5 hash:
02f0c43645e48dc924f2a127979f304a
SHA1 hash:
173fec34998b4eefffb9af25b2e75c0995ddfc8e
Detections:
win_404keylogger_g1 MAL_Envrial_Jan18_1 MALWARE_Win_SnakeKeylogger INDICATOR_SUSPICIOUS_EXE_DotNetProcHook INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_Binary_References_Browsers
SH256 hash:
a2a6c37a9c06dd99e8b897fa89981cdfc0517469fdc49d6f4be416669c4e6fb1
MD5 hash:
d8b05157b3b2358b828ddf6a8c6ffb48
SHA1 hash:
719820b9e180b0424aed7c99539ddc1a6c06eedf
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Author:malware-lu
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 a2a6c37a9c06dd99e8b897fa89981cdfc0517469fdc49d6f4be416669c4e6fb1

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments