MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a589d456a4ea2378e63eeadff19759654d2db9dad0900a074ad99d61e7d4a36a. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a589d456a4ea2378e63eeadff19759654d2db9dad0900a074ad99d61e7d4a36a
SHA3-384 hash: d385bd582625d6f8e4c718bdff25a4b4a4208f7f6c0d770f5849430299e61b6f78664f8c349f1c6766f40f067a856a1e
SHA1 hash: cd299811db5a43e6d6d5a67fee8482645cc29c0d
MD5 hash: 405d4b2db1f8c3fbc04f9fb838f9dac9
humanhash: robin-quiet-foxtrot-muppet
File name:Bjfjv.exe
Download: download sample
Signature SnakeKeylogger
Create hunting rule
File size:19'456 bytes
First seen:2022-09-11 06:36:46 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 384:lZ22uAhOi/bO0wWLtQ59Eetep7cNrNQB3yYLef:ml1P05tN+M7QL2M
Threatray 9'014 similar samples on MalwareBazaar
TLSH T18992F728364EBA75D49F06BE5862E68136F4AEF14F23874E38B4324BBD72D17CD02914
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 00404080a0a08000 (13 x SnakeKeylogger, 2 x Formbook, 1 x AgentTesla)
Reporter abuse_ch
Tags:exe SnakeKeylogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
266
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Bjfjv.exe
Verdict:
Malicious activity
Analysis date:
2022-09-11 06:37:27 UTC
Tags:
evasion trojan snake
Link:
https://app.any.run/tasks/2089c8f9-6606-4c81-9a96-df95df76fdf2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/309198/
Detection(s):
SecuriteInfo.com.Trojan.Downloader.10124.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
DNS request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Creating a window
Сreating synchronization primitives
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/631d8221a90642bcbbff8aff/reports/f9a24b11-5ac0-47b6-b938-8c7d20f3d3fe/overview
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:
Unknown
Link:
https://analyze.intezer.com/analyses/8e111d5e-c80c-467a-98f2-9d0f766bec54
Result
Threat name:
AsyncRAT, Snake Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1068370
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates an undocumented autostart registry key
Encrypted powershell cmdline option found
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
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)
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected MSILDownloaderGeneric
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 700902 Sample: Bjfjv.exe Startdate: 11/09/2022 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for dropped file 2->38 40 14 other signatures 2->40 7 Bjfjv.exe 15 7 2->7         started        process3 dnsIp4 28 cdn.discordapp.com 162.159.134.233, 443, 49728 CLOUDFLARENETUS United States 7->28 22 C:\Users\user\AppData\Roaming\...\dddddd.exe, PE32 7->22 dropped 24 C:\Users\user\...\dddddd.exe:Zone.Identifier, ASCII 7->24 dropped 26 C:\Users\user\AppData\Local\...\Bjfjv.exe.log, ASCII 7->26 dropped 42 Creates an undocumented autostart registry key 7->42 44 Encrypted powershell cmdline option found 7->44 46 Writes to foreign memory regions 7->46 48 Injects a PE file into a foreign processes 7->48 12 MSBuild.exe 14 2 7->12         started        16 MSBuild.exe 7->16         started        18 powershell.exe 16 7->18         started        file5 signatures6 process7 dnsIp8 30 checkip.dyndns.com 193.122.130.0, 49793, 80 ORACLE-BMC-31898US United States 12->30 32 checkip.dyndns.org 12->32 50 Tries to steal Mail credentials (via file / registry access) 12->50 52 Tries to harvest and steal ftp login credentials 12->52 54 Tries to harvest and steal browser information (history, passwords, etc) 12->54 56 May check the online IP address of the machine 16->56 20 conhost.exe 18->20         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a589d456a4ea2378e63eeadff19759654d2db9dad0900a074ad99d61e7d4a36a/
Threat name:
ByteCode-MSIL.Downloader.PsDownload
Create hunting rule
Status:
Malicious
First seen:
2022-09-09 05:30:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
25 of 40 (62.50%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uwe5ivve5irxrzr65lp7df2zmvgs3oo22ciaub2k3gowdz6uunva._file
Verdict:
malicious
Similar samples:
0cca0bbeb38310bde6f3585ef3d5aa0d45f750851182590231fb7f7d85d2eee6
SnakeKeylogger
2905e326c6b2b52023f4fa8d36b9a73283a1bab61a0ff374ea11e2d95393048d
SnakeKeylogger
2bf3189c9ee98121b1a5b2746f3a46a141990a68ddfa8145ab08b347c6d66502
SnakeKeylogger
480e6eafca7220040b5c881ba63412843e888fb54e21b158a2568bec0cce0acf
SnakeKeylogger
6897412732ce8f38317aefff9c2bb19b15a91caccb0922c53fe29c36474de665
SnakeKeylogger
c1bff6750d2e97e236ec9af546da99de586e947375ca5b70f2004805786eb262
SnakeKeylogger
fa6901852ed9fd26b1adf6140ea9f8fe498edcf73f6b2350f825c10d71783a15
SnakeKeylogger
+ 9'004 additional samples on MalwareBazaar
Result
Malware family:
snakekeylogger
Create hunting rule
Score:
  10/10
Tags:
family:snakekeylogger collection keylogger stealer
Link:
https://tria.ge/reports/220911-hdhd3aeghq/
Behaviour
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
Snake Keylogger
Snake Keylogger payload
Malware Config
C2 Extraction:
https://api.telegram.org/bot5468060739:AAHTtG7b8nnFFt3O9vMseyMbOjG7j5nypNw/sendMessage?chat_id=2005325729
Unpacked files
SH256 hash:
a589d456a4ea2378e63eeadff19759654d2db9dad0900a074ad99d61e7d4a36a
MD5 hash:
405d4b2db1f8c3fbc04f9fb838f9dac9
SHA1 hash:
cd299811db5a43e6d6d5a67fee8482645cc29c0d
Link:
https://www.unpac.me/results/761c303f-ca1f-4d58-b53a-c4ac730402d1/
Malware family:
SnakeKeylogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a589d456a4ea/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/a589d456a4ea2378e63eeadff19759654d2db9dad0900a074ad99d61e7d4a36a

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_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:pe_imphash
Create hunting rule
Rule name:RansomwareTest3
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Discord_Attachments_URL
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Create hunting rule
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information

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

Malspam

SnakeKeylogger

Executable exe a589d456a4ea2378e63eeadff19759654d2db9dad0900a074ad99d61e7d4a36a

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/309198/

Comments