MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4. 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 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4
SHA3-384 hash: 697b93dab9a34183f52b92aa0fded0eeef14605398fb77ac1c5f612ca1fe2091dd743e8bec389d362b351583d7d8787c
SHA1 hash: 122645622b73002a2d8b8215d6573ab22523a0e2
MD5 hash: 7f9adfa5c6ddb5471f7b391d037252b2
humanhash: apart-yankee-virginia-nineteen
File name:documents_24.5.13YTKargo.pdf.exe
Download: download sample
Signature SnakeKeylogger
Create hunting rule
File size:602'624 bytes
First seen:2024-05-14 13:27:52 UTC
Last seen:2024-05-14 14:28:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:2rRgAXYMjhvPie/rByY7777777777777c99E4NQ2CMiH99dsgJJ8Z0WQoiQFzpgi:2dgAXYMFniyyXzEMCMid9prPwDajgSxF
TLSH T16CD4220561BCEB72D57CE37B086800C603B9A222F527FA868FC3689D79AD3745B44F56
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter lowmal3
Tags:exe SnakeKeylogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
347
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4.exe
Verdict:
Malicious activity
Analysis date:
2024-05-14 13:29:19 UTC
Tags:
snake keylogger evasion
Link:
https://app.any.run/tasks/12e9d082-9619-4b72-8134-fb0844c34c1a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2842.5779.10229.UNOFFICIAL
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
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
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/664366f0a82a5106c5fec0da/reports/62e2253b-12a9-4c56-bd16-73d2c3b6b6e5/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9a589ace-627f-416a-ab93-72a2b83af14b
Result
Threat name:
PureLog Stealer, Snake Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1441378
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
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: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Double Extension File Execution
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
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected PureLog Stealer
Yara detected Snake Keylogger
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1441378 Sample: documents_24.5.13YTKargo.pdf.exe Startdate: 14/05/2024 Architecture: WINDOWS Score: 100 42 scratchdreams.tk 2->42 44 checkip.dyndns.org 2->44 46 2 other IPs or domains 2->46 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for URL or domain 2->58 60 12 other signatures 2->60 8 documents_24.5.13YTKargo.pdf.exe 7 2->8         started        12 EDqfTdWmvf.exe 5 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\...DqfTdWmvf.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmpF788.tmp, XML 8->40 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 documents_24.5.13YTKargo.pdf.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 EDqfTdWmvf.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 48 scratchdreams.tk 104.21.27.85, 443, 49733, 49741 CLOUDFLARENETUS United States 14->48 50 checkip.dyndns.com 132.226.8.169, 49702, 49707, 49708 UTMEMUS United States 14->50 52 reallyfreegeoip.org 104.21.67.152, 443, 49705, 49706 CLOUDFLARENETUS United States 14->52 72 Loading BitLocker PowerShell Module 18->72 28 conhost.exe 18->28         started        30 WmiPrvSE.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        74 Tries to steal Mail credentials (via file / registry access) 24->74 76 Tries to harvest and steal browser information (history, passwords, etc) 24->76 36 conhost.exe 26->36         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2024-05-14 08:49:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7aksqxg2d5dr3qrlhrcyfuof7liaxlghyxtwuchsrhl7vzvdlpka._file
Result
Malware family:
snakekeylogger
Create hunting rule
Score:
  10/10
Tags:
family:snakekeylogger collection execution keylogger spyware stealer
Link:
https://tria.ge/reports/240514-qqnevaha7x/
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
Command and Scripting Interpreter: PowerShell
Snake Keylogger
Snake Keylogger payload
Malware Config
C2 Extraction:
https://scratchdreams.tk
Unpacked files
SH256 hash:
fd3f1f3f0c984361bb23b2f6ba22a4bbd636095bf6e9d0c31d77b5ccfceed307
MD5 hash:
1e504d0d93436a776666cc8236d65844
SHA1 hash:
834490f9be03a0814c6460f5aae33af12e83b8f5
Link:
https://www.unpac.me/results/6017495e-6a7d-4736-b6e4-abdbfab72227/
SH256 hash:
8061407aeb65b8914429cb0b760e86eab8569eb24e6d824e8d3a29f16549a1e8
MD5 hash:
0ef97124d13a870319243aae77c86215
SHA1 hash:
7c9a537fe311c6e9f873d603bf8f9b9ee75144fc
Link:
https://www.unpac.me/results/6017495e-6a7d-4736-b6e4-abdbfab72227/
SH256 hash:
880e9c96cf780e81333bd13ca12c05692abdab645688df90cfeb1120a965c68e
MD5 hash:
7fe1838c25f2a254cfa748aa9b477bc4
SHA1 hash:
506a0c3f09be74a7aeab91c61653e0229897bf8e
Link:
https://www.unpac.me/results/6017495e-6a7d-4736-b6e4-abdbfab72227/
SH256 hash:
3e1fd817115852d741f30b3f5951ed864e8cfec1a6bf0d91b2f2cea66e05f433
MD5 hash:
292b8b9faebd62a7219ce9e5acf5a23f
SHA1 hash:
42963f1ae424cc17df471edbf2071d6b9862dd1a
Link:
https://www.unpac.me/results/6017495e-6a7d-4736-b6e4-abdbfab72227/
SH256 hash:
ad7ae891b90b41b3b2f1d18032c7762385ab83e0f657ab7e8080ff309b2e5af3
MD5 hash:
0ec8b21296400c857f212aa7efd72b63
SHA1 hash:
2145ea561236e0199f438632694309e20c720b3d
Detections:
snake_keylogger
Create hunting rule
win_404keylogger_g1
Create hunting rule
MAL_Envrial_Jan18_1
Create hunting rule
MALWARE_Win_SnakeKeylogger
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Link:
https://www.unpac.me/results/6017495e-6a7d-4736-b6e4-abdbfab72227/
Parent samples :
f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4
5b444702184683f4254b5a0768bd02dd51ddaaa3706b1fa7d00f95d1eb55ca7b
SH256 hash:
f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4
MD5 hash:
7f9adfa5c6ddb5471f7b391d037252b2
SHA1 hash:
122645622b73002a2d8b8215d6573ab22523a0e2
Link:
https://www.unpac.me/results/6017495e-6a7d-4736-b6e4-abdbfab72227/
Malware family:
SnakeKeylogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f815285cda1f/report/overview.html
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/f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4

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
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
Create hunting rule
Author:ditekSHen
Description:Detects executables with potential process hoocking
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:MALWARE_Win_SnakeKeylogger
Create hunting rule
Author:ditekSHen
Description:Detects Snake Keylogger
Rule name:MAL_Envrial_Jan18_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:MAL_Envrial_Jan18_1_RID2D8C
Create hunting rule
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_SnakeKeylogger_af3faa65
Create hunting rule
Author:Elastic Security

File information

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

Malspam

SnakeKeylogger

Executable exe f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments