MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3749478a82ac3d090acd858d16fcbc3e23a6e477f97a3cc31bb591bc098ac11d. 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: 11


Intelligence 11 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3749478a82ac3d090acd858d16fcbc3e23a6e477f97a3cc31bb591bc098ac11d
SHA3-384 hash: e84d1daf89f43facb340698fe3be747256dad95f2f241aeaee19ddbde50abd6445b0386455662d1891f03f4eca1bc1d8
SHA1 hash: 51dee59727a5d476a1b03754ad1769666a9b733b
MD5 hash: e7bca1248d9585bc9fc38d5ba56cad99
humanhash: oven-oregon-jig-tennis
File name:RF50113025776.scr
Download: download sample
Signature SnakeKeylogger
Create hunting rule
File size:52'224 bytes
First seen:2022-03-07 11:21:42 UTC
Last seen:2022-03-07 11:37:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'754 x AgentTesla, 19'662 x Formbook, 12'252 x SnakeKeylogger)
ssdeep 768:lulPdMZiHTYL5ExH4C4BOsOI7p7Dh+ACIiI0aWPCNJ8veGG:kpdMZiHTu5ExH4CdsOI7p/C80aX/
Threatray 2'818 similar samples on MalwareBazaar
TLSH T15033E80D279F7626D6786BB985D205FC07F5ADA36912E31B9D80317C1833BA6B701E0B
File icon (PE):PE icon
dhash icon 07d0d8d4d4d8f007 (4 x AgentTesla, 3 x Formbook, 1 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe SnakeKeylogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
202
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RF50113025776.rev
Verdict:
Suspicious activity
Analysis date:
2022-03-07 09:51:38 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/45cffba4-c4c3-45a5-a8a3-31568d87a4d2

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/247889/
Detection(s):
SecuriteInfo.com.generic.ml.21470.14064.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
Launching a process
Creating a window
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/79c228b7-00ac-4efe-b003-02f90e8eecee
Result
Threat name:
Snake Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/951755
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
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)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Silenttrinity Stager Msbuild Activity
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 584236 Sample: RF50113025776.scr Startdate: 07/03/2022 Architecture: WINDOWS Score: 100 34 checkip.dyndns.org 2->34 36 checkip.dyndns.com 2->36 38 3 other IPs or domains 2->38 50 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 10 other signatures 2->56 7 RF50113025776.exe 16 6 2->7         started        12 Uixtjrctk.exe 14 2 2->12         started        14 Uixtjrctk.exe 2 2->14         started        signatures3 process4 dnsIp5 40 13.112.233.199, 49733, 49765, 49766 AMAZON-02US United States 7->40 22 C:\Users\user\AppData\...\Uixtjrctk.exe, PE32 7->22 dropped 24 C:\Users\...\Uixtjrctk.exe:Zone.Identifier, ASCII 7->24 dropped 26 C:\Users\user\...\RF50113025776.exe.log, ASCII 7->26 dropped 58 Writes to foreign memory regions 7->58 60 Allocates memory in foreign processes 7->60 62 Injects a PE file into a foreign processes 7->62 16 MSBuild.exe 14 2 7->16         started        20 MSBuild.exe 7->20         started        64 Multi AV Scanner detection for dropped file 12->64 66 Machine Learning detection for dropped file 12->66 file6 signatures7 process8 dnsIp9 28 checkip.dyndns.com 193.122.130.0, 49767, 80 ORACLE-BMC-31898US United States 16->28 30 checkip.dyndns.org 16->30 32 freegeoip.app 188.114.97.7, 443, 49770, 49804 CLOUDFLARENETUS European Union 16->32 42 Tries to steal Mail credentials (via file / registry access) 16->42 44 Tries to harvest and steal ftp login credentials 16->44 46 Tries to harvest and steal browser information (history, passwords, etc) 16->46 48 May check the online IP address of the machine 20->48 signatures10
Detection:
snakekeylogger
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3749478a82ac3d090acd858d16fcbc3e23a6e477f97a3cc31bb591bc098ac11d/
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Create hunting rule
Status:
Malicious
First seen:
2022-03-07 10:26:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
23 of 27 (85.19%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=g5eupcucvq6qscwnqwgrn7f4hyr2nzdx7f5dzqy3wwi3ycmkyeoq._file
Verdict:
malicious
Similar samples:
1a58c708f0c8b203949c9f180813f7fd6665b2f7bbf6f474b39d94e3d6638a30
SnakeKeylogger
332eb007a5e9b3e603bcd8546505d6df1b480ab032f772f5a24730c4cc6edfc5
SnakeKeylogger
44b764e014bc56b28a3b803ca10758d94a3f0ad587835c0104a16f7968feb234
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63a3030e7976336af80d4f489128aa9ecbe98173b595a6ea641c3f335e3c7d80
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8247b8fabf058c2b719647eb01a5dc0f72da5df5730f6152909f12d9cd1aaf50
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95b3882e2ba6d5f35be8c35aa3d047e41ec110eb7f8aa69af7652f1cc29a6fb7
SnakeKeylogger
c42b8a5dc308fe050318dbb5856cc3d8825143b132cc1e02e0799d9e7109fbe0
SnakeKeylogger
c73a8629499a2e95adf6ec545b360f49d607fb8b737ab5a26020d54b37df8b8d
SnakeKeylogger
eb750ca2f4a93f7b8674c77cf2178ec75f3f858abd51c5fc4979d373b8438545
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fa11ff2dfdf24b8e4628ba1e868a27510b4cb3936d1c03dd1d6bb8049cbdefa8
SnakeKeylogger
+ 2'808 additional samples on MalwareBazaar
Result
Malware family:
snakekeylogger
Create hunting rule
Score:
  10/10
Tags:
family:snakekeylogger collection keylogger persistence stealer
Link:
https://tria.ge/reports/220307-ngkw9adgh8/
Behaviour
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Snake Keylogger
Snake Keylogger Payload
Unpacked files
SH256 hash:
3749478a82ac3d090acd858d16fcbc3e23a6e477f97a3cc31bb591bc098ac11d
MD5 hash:
e7bca1248d9585bc9fc38d5ba56cad99
SHA1 hash:
51dee59727a5d476a1b03754ad1769666a9b733b
Link:
https://www.unpac.me/results/6f1000f2-d1e7-4ba2-80d2-200e5d643d21/
Malware family:
Phoenix
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/3749478a82ac/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/3749478a82ac3d090acd858d16fcbc3e23a6e477f97a3cc31bb591bc098ac11d

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:Telegram_Exfiltration_Via_Api
Create hunting rule
Author:lsepaolo

File information

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

Malspam

SnakeKeylogger

Executable exe 3749478a82ac3d090acd858d16fcbc3e23a6e477f97a3cc31bb591bc098ac11d

(this sample)

  
Dropped by
snakekeylogger
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/247889/
  
URLhaus
https://urlhaus.abuse.ch/url/2082096/

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