MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3d97de19e911cc7f6a5dd8d5a69bdd7acf6c5dd1b5278a3119f44b2203c9b55. 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 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c3d97de19e911cc7f6a5dd8d5a69bdd7acf6c5dd1b5278a3119f44b2203c9b55
SHA3-384 hash: 643bd924cc66f4f0a6fe8237109b20edeae25b00378e96d714ef6d96a9f9d08c1594e9492aa83ba7d0911d95bc636761
SHA1 hash: d5b7975bd7d638c933a7c9ed82e4e396dc13ce13
MD5 hash: bebb906aa2df0d9b8f01d738151f7cef
humanhash: gee-harry-spaghetti-oxygen
File name:Citibank_xxxxx3209.exe
Download: download sample
Signature SnakeKeylogger
Create hunting rule
File size:690'688 bytes
First seen:2023-01-30 10:33:07 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:xD40+w0DtzsROLdrClNDndaIuxAe/CE1OOGOO/OOOljwXcd7wJErzqP9JjMhQn0+:azsYxcNDndNuxAe/CEVKIiWOP7MhQZd5
Threatray 5'598 similar samples on MalwareBazaar
TLSH T1A4E4C33D99761ED2C23AF9B1C6E1C020B5AC81C23313CB5DDBD61AD94F066926EEE51C
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:Citibank exe SnakeKeylogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
197
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Citibank_xxxxx3209.exe
Verdict:
Malicious activity
Analysis date:
2023-01-30 10:44:14 UTC
Tags:
evasion trojan snake keylogger
Link:
https://app.any.run/tasks/01b1133a-700e-4d35-9cb5-399f80786807

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Snake
Create hunting rule
Link:
https://www.capesandbox.com/analysis/358220/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
DNS request
Sending an HTTP GET request
Reading critical registry keys
Moving of the original file
Enabling autorun by creating a file
Forced shutdown of a browser
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63d79d1c89bd67c10fdb8271/reports/ad871b19-ff5e-4e32-8fc1-b6e368e6016d/overview
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:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7d93478a-4e55-4185-951e-0b8cf71d464a
Result
Threat name:
Snake Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1161507
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large strings
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
Moves itself to temp directory
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 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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 794262 Sample: Citibank_xxxxx3209.exe Startdate: 30/01/2023 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Multi AV Scanner detection for dropped file 2->54 56 10 other signatures 2->56 7 zSFyzUb.exe 5 2->7         started        10 Citibank_xxxxx3209.exe 6 2->10         started        process3 file4 58 Multi AV Scanner detection for dropped file 7->58 60 May check the online IP address of the machine 7->60 62 Machine Learning detection for dropped file 7->62 13 zSFyzUb.exe 14 2 7->13         started        18 schtasks.exe 1 7->18         started        20 zSFyzUb.exe 7->20         started        22 zSFyzUb.exe 7->22         started        32 C:\Users\user\AppData\Roaming\zSFyzUb.exe, PE32 10->32 dropped 34 C:\Users\user\AppData\Local\...\tmp1EB8.tmp, XML 10->34 dropped 36 C:\Users\user\...\Citibank_xxxxx3209.exe.log, ASCII 10->36 dropped 64 Uses schtasks.exe or at.exe to add and modify task schedules 10->64 66 Injects a PE file into a foreign processes 10->66 24 Citibank_xxxxx3209.exe 15 2 10->24         started        26 schtasks.exe 1 10->26         started        signatures5 process6 dnsIp7 40 132.226.247.73, 49702, 80 UTMEMUS United States 13->40 42 checkip.dyndns.org 13->42 38 C:\Users\user\AppData\...\tmpG354.tmp (copy), PE32 13->38 dropped 68 Tries to steal Mail credentials (via file / registry access) 13->68 70 Tries to harvest and steal ftp login credentials 13->70 72 Tries to harvest and steal browser information (history, passwords, etc) 13->72 28 conhost.exe 18->28         started        44 checkip.dyndns.com 158.101.44.242, 49697, 80 ORACLE-BMC-31898US United States 24->44 46 checkip.dyndns.org 24->46 48 192.168.2.1 unknown unknown 24->48 74 Moves itself to temp directory 24->74 30 conhost.exe 26->30         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c3d97de19e911cc7f6a5dd8d5a69bdd7acf6c5dd1b5278a3119f44b2203c9b55/
Threat name:
ByteCode-MSIL.Trojan.Tnega
Create hunting rule
Status:
Malicious
First seen:
2023-01-30 09:29:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ypmx3ym6seomp5vf3wgvu2n526wpnro5dnjhriyrt5cleib4tnkq._file
Verdict:
malicious
Similar samples:
05aa0bfb38f56b8c9d55a2e1ee9e678ae1bd6973bed9d4c1620ddb9cc18e7ef1
SnakeKeylogger
0bbc61629171137fcf90a07950ef649620c67a2dacf3a473b8b39fe0fe3c3945
SnakeKeylogger
18824045ac4b14baa21003dfc20b607d2b2a7fedd09bae62382bf66cd20df0d0
SnakeKeylogger
2ca9e2712098e5b6a7e425f1d99c1df463922aa5b67fe587ee0406c8b4b38d43
SnakeKeylogger
35d105be1afee51e261bf3f9f0391335c6ac2143dde3dfa452e9d40e61468185
SnakeKeylogger
6c0f4b396f3c424a4f98906a0782857c992039b5604a7288d10547e27e4e4ab5
SnakeKeylogger
d428f60cab13bb3180aebc0001d3be88758b370e142ac3cf14a1e5951051bc19
SnakeKeylogger
d9fd70e09b6277658de42ea772d2124d653706ab3f48afd15e1212d71415583b
SnakeKeylogger
+ 5'588 additional samples on MalwareBazaar
Result
Malware family:
snakekeylogger
Create hunting rule
Score:
  10/10
Tags:
family:snakekeylogger collection keylogger spyware stealer
Link:
https://tria.ge/reports/230130-ml5a1sbf5y/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
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
Unpacked files
SH256 hash:
7f708cea53a7866e20ac57e70b2ab9c1754aa164bb9127900a288b7329ddcaf2
MD5 hash:
e4c93edabc999a568f31394ac5191aa1
SHA1 hash:
c85578440bc143a48ce957405d165ef99b3d330b
Detections:
snake_keylogger
Create hunting rule
Link:
https://www.unpac.me/results/ad4802a6-0532-4ecd-a27b-87f248783adc/
Parent samples :
2ca9e2712098e5b6a7e425f1d99c1df463922aa5b67fe587ee0406c8b4b38d43
c3d97de19e911cc7f6a5dd8d5a69bdd7acf6c5dd1b5278a3119f44b2203c9b55
556b9345b19fd45c3d08a046d653a5f0d216a51a77c67d92b1a64abd3958c456
SH256 hash:
03066e3fb3e3e050f58398790cb1ace5c8fe4c89acdd88ca627ab1a6f0ea23ba
MD5 hash:
3e5f6e3f5537864af88995716f7c3167
SHA1 hash:
a0ea43b89547d51ddf958ba3c4896aa7b971ef89
Link:
https://www.unpac.me/results/ad4802a6-0532-4ecd-a27b-87f248783adc/
SH256 hash:
395a65d20e3cbfd0060d70b92f76748209bf644b7ed8b6a903dad0aaa44b873d
MD5 hash:
32be984a6c9a151e4dbeb352af99262e
SHA1 hash:
9420310d8774979dd16fce7ea8d2215dc9ef63f2
Link:
https://www.unpac.me/results/ad4802a6-0532-4ecd-a27b-87f248783adc/
SH256 hash:
c3d97de19e911cc7f6a5dd8d5a69bdd7acf6c5dd1b5278a3119f44b2203c9b55
MD5 hash:
bebb906aa2df0d9b8f01d738151f7cef
SHA1 hash:
d5b7975bd7d638c933a7c9ed82e4e396dc13ce13
Link:
https://www.unpac.me/results/ad4802a6-0532-4ecd-a27b-87f248783adc/
Malware family:
SnakeKeylogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c3d97de19e91/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Password Stealer
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/c3d97de19e911cc7f6a5dd8d5a69bdd7acf6c5dd1b5278a3119f44b2203c9b55

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: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:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
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
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: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.

Cape
Cape
https://www.capesandbox.com/analysis/358220/

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