MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 090308227b82a631e99933cb1b744f0bb6e41b7c622099cb4582d32847b3f703. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 090308227b82a631e99933cb1b744f0bb6e41b7c622099cb4582d32847b3f703
SHA3-384 hash: 5a8fad28c64840a680501cdc523977149cfaab729dccaed1c98004bcfc9a5717c4db50f31ec4a93494954275f9082f38
SHA1 hash: df421fffe90e7c64093c95cd8ba3c126fb3a7dd1
MD5 hash: 29b7796efa09b2df5878094dd2bff07f
humanhash: foxtrot-oklahoma-charlie-eighteen
File name:Revise Invoice.pdf.exe
Download: download sample
Signature SnakeKeylogger
Create hunting rule
File size:524'800 bytes
First seen:2021-02-11 10:08:46 UTC
Last seen:2021-02-11 11:59:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:ipRfwkD4J7fzvLvlvBvPv4vHvvvevcvcGuqFJ/Za86bJ8f:ufwhfFGuI/Zn6b+f
Threatray 2 similar samples on MalwareBazaar
TLSH 48B4BFD6011CCA95F2690AF3FCE167C68B8504B172ADD6DC916CCBF9E3A3F647848852
Reporter abuse_ch
Tags:exe SnakeKeylogger


Avatar
abuse_ch
Malspam distributing SnakeKeylogger:

From: "日本アイアール <s_a_l_e_s"@nar-corp.co.jp
Subject: Price Adjustment /shipments
Attachment: Revise Invoice.pdf.gz (contains "Revise Invoice.pdf.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
111
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Revise Invoice.pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-02-11 10:28:20 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7d8929c9-2c96-4d41-88db-7632fc5ceb9d

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/116784/
Detection(s):
SecuriteInfo.com.Artemis29B7796EFA09.13860.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Sending a UDP request
Reading critical registry keys
Creating a window
Unauthorized injection to a system process
Enabling autorun by creating a file
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.
Result
Threat name:
Snake Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/605705
Signature
Bypasses PowerShell execution policy
Drops PE files to the startup folder
Initial sample is a PE file and has a suspicious name
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected Snake Keylogger
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 351888 Sample: Revise Invoice.pdf.exe Startdate: 11/02/2021 Architecture: WINDOWS Score: 96 36 Multi AV Scanner detection for dropped file 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 Yara detected Snake Keylogger 2->40 42 4 other signatures 2->42 7 Revise Invoice.pdf.exe 2 2->7         started        9 I$s#$lT3ssl.exe 2 2->9         started        process3 process4 11 powershell.exe 15 7->11         started        15 InstallUtil.exe 15 2 7->15         started        18 InstallUtil.exe 2 9->18         started        20 powershell.exe 19 9->20         started        dnsIp5 26 C:\Users\user\AppData\...\I$s#$lT3ssl.exe, PE32 11->26 dropped 44 Drops PE files to the startup folder 11->44 46 Powershell drops PE file 11->46 22 conhost.exe 11->22         started        28 checkip.dyndns.org 15->28 30 checkip.dyndns.com 162.88.193.70, 49727, 49728, 49749 DYNDNSUS United States 15->30 34 2 other IPs or domains 15->34 48 Tries to steal Mail credentials (via file access) 15->48 50 Tries to harvest and steal browser information (history, passwords, etc) 15->50 32 checkip.dyndns.org 18->32 24 conhost.exe 20->24         started        file6 signatures7 process8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/090308227b82a631e99933cb1b744f0bb6e41b7c622099cb4582d32847b3f703/
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Create hunting rule
Status:
Malicious
First seen:
2021-02-11 09:32:16 UTC
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=bebqqit3qktdd2mzgpfrw5cpbo3oig34miqjts2fqljsqr5t64bq._file
Verdict:
unknown
Similar samples:
5527aee4e45fad012be08beb8622e0471286523fa3abb1719d1f71deedf323eb
SnakeKeylogger
fa5ce219ed13ed1b4a2d4547d79c953d4a12e034078c9e8d4ff6063f9f71311d
SnakeKeylogger
Result
Malware family:
snakekeylogger
Create hunting rule
Score:
  10/10
Tags:
family:snakekeylogger keylogger stealer
Link:
https://tria.ge/reports/210211-hjxal3kvwx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Drops startup file
Snake Keylogger
Snake Keylogger Payload
Unpacked files
SH256 hash:
97024f17003dd3d31dab64c4d1b8251e50d428644eb59ed3692ad79ce42019cf
MD5 hash:
8cd28be4bd9a1404c6d3600db32b3ed1
SHA1 hash:
fb90b0ca51118e771390d58b19d0a404ee14cfbc
Link:
https://www.unpac.me/results/43754f80-fd1d-4137-8ba7-5defb79f91ce/
SH256 hash:
ec54362cd81b1b6422bd155a30257ddc8a7f90982ed086c5612d348c42f4cb93
MD5 hash:
40f6ce713a27ad6f81d91162a9645cac
SHA1 hash:
c9fc5742baa3b53e6cde9def87de8d8c006fca37
Link:
https://www.unpac.me/results/43754f80-fd1d-4137-8ba7-5defb79f91ce/
SH256 hash:
15059f872f603765ec3e26a3ea24ba99988b4613406b21efabfdc2110f3cdfe7
MD5 hash:
ed112022834aedbd69790666b589c6f7
SHA1 hash:
075232392f3f304ce9e2b58949b61dad6db5b1a1
Link:
https://www.unpac.me/results/43754f80-fd1d-4137-8ba7-5defb79f91ce/
SH256 hash:
090308227b82a631e99933cb1b744f0bb6e41b7c622099cb4582d32847b3f703
MD5 hash:
29b7796efa09b2df5878094dd2bff07f
SHA1 hash:
df421fffe90e7c64093c95cd8ba3c126fb3a7dd1
Link:
https://www.unpac.me/results/43754f80-fd1d-4137-8ba7-5defb79f91ce/
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:INDICATOR_EXE_Packed_ConfuserExMod_BedsProtector
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod Beds Protector
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:MALWARE_Win_SnakeKeylogger
Create hunting rule
Author:ditekSHen
Description:Detects Snake Keylogger

File information

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

Malspam

SnakeKeylogger

gz ce34355f55e1c7456841c31878cc8e60e8f7e8a35fbb8935a891fca367727936

SnakeKeylogger

Executable exe 090308227b82a631e99933cb1b744f0bb6e41b7c622099cb4582d32847b3f703

(this sample)

  
Dropped by
MD5 36fa66587eb5a9ac7faf6b1057adea7a
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/116784/
  
Dropped by
SHA256 ce34355f55e1c7456841c31878cc8e60e8f7e8a35fbb8935a891fca367727936

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