MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cdbed3a79d37d581fc5be268df61e13aaafa5c88a001f4e8b298d77c4b37ae13. 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


JesterStealer


Vendor detections: 8


Intelligence 8 IOCs YARA 6 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cdbed3a79d37d581fc5be268df61e13aaafa5c88a001f4e8b298d77c4b37ae13
SHA3-384 hash: 467dfb6f63863673f0dbb5d9f828be7e92f950f023639e55908db67d436d10bfce2a3d8a9032c6020be9dd4314e9104a
SHA1 hash: 0af319908e3694a61beb6c46b6d1348953fe802f
MD5 hash: 2d8ebe016b08ce37b916c8ce5889970b
humanhash: wolfram-fix-echo-equal
File name:2d8ebe016b08ce37b916c8ce5889970b
Download: download sample
Signature JesterStealer
Create hunting rule
File size:1'574'744 bytes
First seen:2022-01-17 04:02:15 UTC
Last seen:2022-01-17 05:39:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:b+NTvHjGD02Lilv9oLfJCTDX+NTvHjGD02Lilv9oLfJCTDX:bO/eBmxXXO/eBmxXX
TLSH T15F7508203BE5062DF1B2AB3D9DF77B31C3BE62632F17731A650222861E12595CD436B9
Reporter zbetcheckin
Tags:32 exe JesterStealer

Intelligence

File Origin
# of uploads :
2
# of downloads :
219
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2d8ebe016b08ce37b916c8ce5889970b
Verdict:
No threats detected
Analysis date:
2022-01-17 04:05:22 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7731b84d-f154-41ff-9bcb-14466163ceaa

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/219686/
Detection(s):
SecuriteInfo.com.Variant.MSILHeracles.31987.30528.13935.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Running batch commands
Reading critical registry keys
Launching a process
Launching the process to change network settings
Searching for synchronization primitives
Creating a file in the %temp% directory
Sending a custom TCP request
Creating a window
Sending an HTTP POST request
Creating a process with a hidden window
Creating a file
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
ftp.exe greyware obfuscated overlay packed packed replace.exe stealer warp
Link:
https://www.filescan.io/uploads/61e4ea780f8c757253c2a709/reports/06594b23-aad3-456d-8143-0d0075e50752/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:
Malicious
Link:
https://analyze.intezer.com/analyses/cc472bd7-aaa9-42c2-8a11-6fcd487acdd6
Result
Threat name:
Jester Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/921533
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Found Tor onion address
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Self deletion via cmd delete
Sigma detected: Capture Wi-Fi password
Sigma detected: Koadic Execution
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to harvest and steal WLAN passwords
Tries to steal Mail credentials (via file / registry access)
Uses known network protocols on non-standard ports
Uses netsh to modify the Windows network and firewall settings
Uses ping.exe to check the status of other devices and networks
Yara detected Jester Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 554011 Sample: 1fei4q3hIU Startdate: 17/01/2022 Architecture: WINDOWS Score: 100 48 Antivirus detection for URL or domain 2->48 50 Antivirus / Scanner detection for submitted sample 2->50 52 Sigma detected: Capture Wi-Fi password 2->52 54 6 other signatures 2->54 7 1fei4q3hIU.exe 15 4 2->7         started        process3 dnsIp4 40 168.98.4.0.in-addr.arpa 7->40 42 ip-api.com 208.95.112.1, 49750, 80 TUT-ASUS United States 7->42 44 46.173.214.33, 19797, 49753 GARANT-PARK-INTERNETRU Russian Federation 7->44 38 C:\Users\user\AppData\...\1fei4q3hIU.exe.log, ASCII 7->38 dropped 56 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 7->56 58 May check the online IP address of the machine 7->58 60 Tries to steal Mail credentials (via file / registry access) 7->60 62 6 other signatures 7->62 12 cmd.exe 1 7->12         started        15 cmd.exe 1 7->15         started        17 cmd.exe 1 7->17         started        file5 signatures6 process7 signatures8 64 Uses ping.exe to check the status of other devices and networks 12->64 66 Uses netsh to modify the Windows network and firewall settings 12->66 68 Tries to harvest and steal WLAN passwords 12->68 19 netsh.exe 3 12->19         started        21 conhost.exe 12->21         started        34 2 other processes 12->34 23 netsh.exe 3 15->23         started        25 conhost.exe 15->25         started        36 2 other processes 15->36 27 PING.EXE 1 17->27         started        30 conhost.exe 17->30         started        32 chcp.com 1 17->32         started        process9 dnsIp10 46 127.0.0.1 unknown unknown 27->46
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cdbed3a79d37d581fc5be268df61e13aaafa5c88a001f4e8b298d77c4b37ae13/
Threat name:
ByteCode-MSIL.Trojan.Heracles
Create hunting rule
Status:
Malicious
First seen:
2022-01-17 03:10:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zw7nhj45g7kyd7c34jun6ypbhkvpuxeiuaa7j2fstdlxyszxvyjq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/220117-emcy6agfh3/
Behaviour
Checks processor information in registry
Suspicious use of AdjustPrivilegeToken
Unpacked files
SH256 hash:
cdbed3a79d37d581fc5be268df61e13aaafa5c88a001f4e8b298d77c4b37ae13
MD5 hash:
2d8ebe016b08ce37b916c8ce5889970b
SHA1 hash:
0af319908e3694a61beb6c46b6d1348953fe802f
Link:
https://www.unpac.me/results/8b6a745b-fb88-44c1-bc71-7af3287e1b24/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/cdbed3a79d37/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/cdbed3a79d37d581fc5be268df61e13aaafa5c88a001f4e8b298d77c4b37ae13

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:grakate_stealer_nov_2021
Create hunting rule
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_References_CryptoWallets
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

JesterStealer

Executable exe cdbed3a79d37d581fc5be268df61e13aaafa5c88a001f4e8b298d77c4b37ae13

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1982715/
Cape
Cape
https://www.capesandbox.com/analysis/219686/

Comments


Avatar
zbet commented on 2022-01-17 04:02:18 UTC

url : hxxp://data-host-coin-8.com/files/5304_1642027539_6274.exe