MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 17f1ed61991cf8d7e900a14a98716a989389631cbb1339b8bc932f7265747e9c. 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 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 17f1ed61991cf8d7e900a14a98716a989389631cbb1339b8bc932f7265747e9c
SHA3-384 hash: 93724f971afebbe8c33a5baf60e2c6cec29c9d5582b5cd4d7881474542a38db17d486f866cd487b8ea01367f376d336c
SHA1 hash: 442e85bda43d4c16e188721a55242395693f46de
MD5 hash: 580bd2a41500f5ccffe367121c09d832
humanhash: saturn-bluebird-four-maine
File name:Remittance Advice Copy.exe
Download: download sample
Signature SnakeKeylogger
Create hunting rule
File size:734'720 bytes
First seen:2025-02-11 07:55:41 UTC
Last seen:Never
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:i3FN3ZHXV3ybD8wBhdQI3mib6Jowrelqc/Z9GVOZaM7S2eyrPvpT2lPK7JS:i3v3ybDpl31bKrelLgn2ZN2BK
TLSH T1F7F4D0C03B65E706CD6957709A35DDB147B82D69B001FAAA2ECA37DB7C793114A0CF0A
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter threatcat_ch
Tags:exe SnakeKeylogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
437
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Remittance Advice Copy.exe
Verdict:
Malicious activity
Analysis date:
2025-02-11 08:41:37 UTC
Tags:
snake keylogger evasion telegram stealer
Link:
https://app.any.run/tasks/7078a58c-81d7-4e62-8379-d17e7b5012df

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Formbook-10021419-0
Create hunting rule

Win.Dropper.Nanocore-10025638-0
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67ab02d549f32dfb0d82edb3
Tags:
snake shell sage msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Reading critical registry keys
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Forced shutdown of a browser
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/67ab4e08f03bdb5ce5243569/reports/f1ed0e1c-f443-4468-8a1a-95c97ec1637b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/17f1ed61991cf8d7e900a14a98716a989389631cbb1339b8bc932f7265747e9c
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8b74f319-6457-4ad2-ac3f-9ab29bae45ee
Result
Threat name:
Snake Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1611876
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
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
Suricata IDS alerts for network traffic
Tries to detect the country of the analysis system (by using the IP)
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 AntiVM3
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1611876 Sample: Remittance Advice Copy.exe Startdate: 11/02/2025 Architecture: WINDOWS Score: 100 52 reallyfreegeoip.org 2->52 54 api.telegram.org 2->54 56 2 other IPs or domains 2->56 58 Suricata IDS alerts for network traffic 2->58 60 Found malware configuration 2->60 62 Malicious sample detected (through community Yara rule) 2->62 68 12 other signatures 2->68 8 Remittance Advice Copy.exe 7 2->8         started        12 GgffZSnS.exe 5 2->12         started        signatures3 64 Tries to detect the country of the analysis system (by using the IP) 52->64 66 Uses the Telegram API (likely for C&C communication) 54->66 process4 file5 38 C:\Users\user\AppData\RoamingbehaviorgraphgffZSnS.exe, PE32 8->38 dropped 40 C:\Users\...behaviorgraphgffZSnS.exe:Zone.Identifier, ASCII 8->40 dropped 42 C:\Users\user\AppData\Local\Temp\tmpC3A.tmp, XML 8->42 dropped 44 C:\Users\...\Remittance Advice Copy.exe.log, ASCII 8->44 dropped 70 Adds a directory exclusion to Windows Defender 8->70 14 powershell.exe 23 8->14         started        17 Remittance Advice Copy.exe 15 2 8->17         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        72 Antivirus detection for dropped file 12->72 74 Multi AV Scanner detection for dropped file 12->74 76 Machine Learning detection for dropped file 12->76 78 Injects a PE file into a foreign processes 12->78 24 GgffZSnS.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 80 Loading BitLocker PowerShell Module 14->80 28 conhost.exe 14->28         started        30 WmiPrvSE.exe 14->30         started        46 api.telegram.org 149.154.167.220, 443, 49829, 49866 TELEGRAMRU United Kingdom 17->46 48 checkip.dyndns.com 158.101.44.242, 49713, 49719, 49726 ORACLE-BMC-31898US United States 17->48 50 reallyfreegeoip.org 104.21.32.1, 443, 49715, 49717 CLOUDFLARENETUS United States 17->50 32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        82 Tries to steal Mail credentials (via file / registry access) 24->82 84 Tries to harvest and steal browser information (history, passwords, etc) 24->84 36 conhost.exe 26->36         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/17f1ed61991cf8d7e900a14a98716a989389631cbb1339b8bc932f7265747e9c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/17f1ed61991cf8d7e900a14a98716a989389631cbb1339b8bc932f7265747e9c/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-02-11 06:41:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
29
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=c7y62ymzdt4np2iauffjq4lktcjysyy4xmjttof4smxxezlup2oa._file
Verdict:
malicious
Label(s):
snakekeylogger
Create hunting rule
unknown_loader_037
Create hunting rule
Similar samples:
error
SnakeKeylogger
Result
Malware family:
snakekeylogger
Create hunting rule
Score:
  10/10
Tags:
family:snakekeylogger collection discovery execution keylogger spyware stealer
Link:
https://tria.ge/reports/250211-jsrrqa1jgs/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
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
Downloads MZ/PE file
Snake Keylogger
Snake Keylogger payload
Snakekeylogger family
Malware Config
C2 Extraction:
https://api.telegram.org/bot7810622048:AAGlXVtU9EeAX6sumC63y05EJISEAmugavs/sendMessage?chat_id=986310232
Verdict:
Malicious
Tags:
Win.Packed.Formbook-10021419-0 404keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/f8d9b3fd-6906-4679-af7a-95ac7caae857
Unpacked files
SH256 hash:
17f1ed61991cf8d7e900a14a98716a989389631cbb1339b8bc932f7265747e9c
MD5 hash:
580bd2a41500f5ccffe367121c09d832
SHA1 hash:
442e85bda43d4c16e188721a55242395693f46de
Link:
https://www.unpac.me/results/fbe00d65-1365-4b73-bbe7-7bd7e37ca32e/
SH256 hash:
5575a4c35b3f94820483dbd907edfaf9a6258749b5547f8fbb19459542b6b3f8
MD5 hash:
309980762f952195d6148a2c5cc095e6
SHA1 hash:
718b27fe6715276d8fef9304510e4b674de6a88b
Detections:
win_404keylogger_g1
Create hunting rule
snake_keylogger
Create hunting rule
MAL_Envrial_Jan18_1
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
Create hunting rule
MALWARE_Win_SnakeKeylogger
Create hunting rule
Link:
https://www.unpac.me/results/fbe00d65-1365-4b73-bbe7-7bd7e37ca32e/
SH256 hash:
3ca8c441cb4b0aab336327c2d1d6050e6d6da8fd676a29237c68a50acc1ca982
MD5 hash:
9b1b4ffe857c947d9ce5b439a55313cb
SHA1 hash:
9c691b953169624c5db6afd2b7327ff8ae37fbe3
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/fbe00d65-1365-4b73-bbe7-7bd7e37ca32e/
SH256 hash:
e712bcd56fe64742c0f674f3acff83490f8103c260ea3389f56151b5066b7cd3
MD5 hash:
7bad4197d1ae020c9049a782eb9a71d2
SHA1 hash:
e1253047ea92beb7d161b106765ad8b03bc86b1e
Link:
https://www.unpac.me/results/fbe00d65-1365-4b73-bbe7-7bd7e37ca32e/
Malware family:
SnakeKeylogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/17f1ed61991c/report/overview.html
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
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:crime_snake_keylogger
Create hunting rule
Author:Rony (r0ny_123)
Description:Detects Snake keylogger payload
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: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:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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 17f1ed61991cf8d7e900a14a98716a989389631cbb1339b8bc932f7265747e9c

(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

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