MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 748a36e5127c392d387ba30b0b44a6eef998e35785a8476e9f0db74496094290. 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


AgentTesla


Vendor detections: 10


Intelligence 10 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 748a36e5127c392d387ba30b0b44a6eef998e35785a8476e9f0db74496094290
SHA3-384 hash: b95074092ba6f535f1ae5a01414d714af80690742951a1db9e5c408f668d09905ab613594c7ff053ccb2d729198939b7
SHA1 hash: 84a35c7c3b5ccb7d02dcaad1b7c3bcea03938510
MD5 hash: 16df179825fb2d583b4954d28557e8c9
humanhash: grey-vermont-speaker-connecticut
File name:dekond.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:24'576 bytes
First seen:2022-05-25 08:01:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 384:mUzq3FLtIJ/TeQlORkJfJQZZoj5JYNJ6lnCZF4shRvxbq2UFGk+Oqhsd:tItI38ZmjzYnP7RhRvxbq2Y1rqhu
Threatray 17'389 similar samples on MalwareBazaar
TLSH T12CB2E7C2F3C58694FCAF0931143B9E440B6AFF35BCC52618399976574AB328196B372B
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 e0c4e2a2a4bcbcf8 (7 x AgentTesla, 2 x Formbook, 1 x SnakeKeylogger)
Reporter abuse_ch
Tags:AgentTesla exe geo TUR

Intelligence

File Origin
# of uploads :
1
# of downloads :
284
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
dekond.exe
Verdict:
Suspicious activity
Analysis date:
2022-05-25 10:16:48 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ee783639-b5a7-42f2-8d0a-1e85f84a97c1

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/274402/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed update.exe
Link:
https://www.filescan.io/uploads/628de27b3ec49f83a6c9e656/reports/962c9fd5-b3f1-4bd3-bd7f-ecb0862dee3e/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/26d4eedf-d2db-4b69-adbc-a3f846751d44
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1001361
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Creates an undocumented autostart registry key
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 633855 Sample: dekond.exe Startdate: 25/05/2022 Architecture: WINDOWS Score: 100 30 Found malware configuration 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Multi AV Scanner detection for dropped file 2->34 36 8 other signatures 2->36 7 dekond.exe 16 7 2->7         started        process3 dnsIp4 26 cdn.discordapp.com 162.159.129.233, 443, 49752 CLOUDFLARENETUS United States 7->26 22 C:\Users\user\AppData\Roaming\...\Jmrvuv.exe, PE32 7->22 dropped 24 C:\Users\user\AppData\...\dekond.exe.log, ASCII 7->24 dropped 38 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->38 40 Creates an undocumented autostart registry key 7->40 42 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->42 44 Injects a PE file into a foreign processes 7->44 12 dekond.exe 2 7->12         started        16 cmd.exe 1 7->16         started        file5 signatures6 process7 dnsIp8 28 api.telegram.org 149.154.167.220, 443, 49791 TELEGRAMRU United Kingdom 12->28 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->46 48 Tries to steal Mail credentials (via file / registry access) 12->48 50 Tries to harvest and steal ftp login credentials 12->50 52 2 other signatures 12->52 18 conhost.exe 16->18         started        20 timeout.exe 1 16->20         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/748a36e5127c392d387ba30b0b44a6eef998e35785a8476e9f0db74496094290/
Threat name:
ByteCode-MSIL.Downloader.Seraph
Create hunting rule
Status:
Malicious
First seen:
2022-05-25 03:07:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
18 of 26 (69.23%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=osfdnzispq4s2od3umfqwrfg534zry2xqwueo3u7bw3ujfqjikia._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
12debb5b625d08f6bc4dd6160435cfde52a33c11dccd4b10fa07c225aba9565b
AgentTesla
1b7382ea2de070f5b428fc1cab6608b28f475e928ac8bc26ab30bbfa21703a5c
AgentTesla
7ffa5fb65cb420698a4d9f54c52bc97d5bd4ac30813c727381d3bec8d3a0e192
AgentTesla
b2bbfbdba323c64a9e7ad546bb2ae1df96b264ba1c76fb670213113e60e1a93f
AgentTesla
b64081fc4a7dc5e73ab017b1f0453c27d5e6040134dd269bc01de45cad3713b7
AgentTesla
b789ea800e24253ead1c150643aa729e7b7d5253bf6319aa4321680c615b8ec2
AgentTesla
c5df359c7b21d6544c166cf142071d68a028f429ff47e80b8e855b9bc02decfd
AgentTesla
cd157abb678f29acfb7d4461fbdb5005dee9bd33ed4ba07c186b63d1746547fe
AgentTesla
+ 17'379 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220525-jw5gzshcc9/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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
AgentTesla
Modifies WinLogon for persistence
Malware Config
C2 Extraction:
https://api.telegram.org/bot5134505060:AAEM06dt6eRhSMYn4UqGXyrLc66SKfCD5-I/sendDocument
Unpacked files
SH256 hash:
748a36e5127c392d387ba30b0b44a6eef998e35785a8476e9f0db74496094290
MD5 hash:
16df179825fb2d583b4954d28557e8c9
SHA1 hash:
84a35c7c3b5ccb7d02dcaad1b7c3bcea03938510
Link:
https://www.unpac.me/results/77037ed8-19f6-44c6-9c3d-407f1cbf2f9f/
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/748a36e5127c392d387ba30b0b44a6eef998e35785a8476e9f0db74496094290

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/274402/

Comments