MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c5f738dd2bfc890e9c66249928560fbbcc449e86ce9936744cc2ed132870f69. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4c5f738dd2bfc890e9c66249928560fbbcc449e86ce9936744cc2ed132870f69
SHA3-384 hash: 17c5e0950b16e38783b34d27ab3100553e015c3ef89913693918157468eec435972aac4a9e90ba11621cd5a9a28f8963
SHA1 hash: a284f768d5cfd4ccdd072112bbf4f12326c1f025
MD5 hash: 0926d583105553dd95164b5d628412c5
humanhash: table-mexico-oscar-one
File name:WADEP n° 1057 M_pdf .exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:16'896 bytes
First seen:2022-09-28 09:22:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 96:dudZblY2PEDZHpoaRXRwjWOw0XCdJSihfSYons6ixZ6ZZkugeH6q26QBqjEKzNt:dujr2DRXa9w/n9/CK6ENs
Threatray 19'727 similar samples on MalwareBazaar
TLSH T159726F6E77CFC61AD4A889F21C6382D42CA2FE58AD21CBA971E3B73D54F53880815721
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 7ce6e69292caced4 (7 x AgentTesla)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
297
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
WADEP n° 1057 M_pdf .exe
Verdict:
Malicious activity
Analysis date:
2022-09-28 09:22:36 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d52bce7c-ab57-450e-9a66-757729d46246

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/314298/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1594.6830.7953.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63341277c9e2f34354310820/reports/3309731c-5679-4ead-b699-4ee2850b68d2/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/4709a323-251a-4985-8356-4906d97098e6
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1079101
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Encrypted powershell cmdline option found
Initial sample is a PE file and has a suspicious name
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)
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)
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 harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (a lot of spaces)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 711655 Sample: WADEP n#U00b0 1057 M_pdf   ... Startdate: 28/09/2022 Architecture: WINDOWS Score: 100 37 api.telegram.org 2->37 51 Snort IDS alert for network traffic 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus detection for URL or domain 2->55 57 14 other signatures 2->57 8 WADEP n#U00b0 1057 M_pdf                                                  .exe 16 7 2->8         started        13 Bvqlvy.exe 14 4 2->13         started        signatures3 process4 dnsIp5 39 103.207.39.154, 49700, 49704, 80 VNPT-AS-VNVNPTCorpVN Viet Nam 8->39 31 C:\Users\user\AppData\Roaming\...\Bvqlvy.exe, PE32 8->31 dropped 33 C:\Users\user\...\Bvqlvy.exe:Zone.Identifier, ASCII 8->33 dropped 35 WADEP n#U00b0 1057...           .exe.log, ASCII 8->35 dropped 59 Encrypted powershell cmdline option found 8->59 61 Injects a PE file into a foreign processes 8->61 15 WADEP n#U00b0 1057 M_pdf                                                  .exe 2 8->15         started        19 powershell.exe 16 8->19         started        21 WADEP n#U00b0 1057 M_pdf                                                  .exe 8->21         started        63 Multi AV Scanner detection for dropped file 13->63 65 Machine Learning detection for dropped file 13->65 23 powershell.exe 13 13->23         started        25 Bvqlvy.exe 2 13->25         started        file6 signatures7 process8 dnsIp9 41 api.telegram.org 149.154.167.220, 443, 49703, 49705 TELEGRAMRU United Kingdom 15->41 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->43 45 Tries to steal Mail credentials (via file / registry access) 15->45 47 Tries to harvest and steal ftp login credentials 15->47 49 Tries to harvest and steal browser information (history, passwords, etc) 15->49 27 conhost.exe 19->27         started        29 conhost.exe 23->29         started        signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4c5f738dd2bfc890e9c66249928560fbbcc449e86ce9936744cc2ed132870f69/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-09-28 09:23:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jrpxhdosx7ejb2ogmjezfbla7o6mispintuzgz2ezqxncmuhb5uq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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a2a3fd4b8c4a6ced54de6a596a9cd01b974ecd40fa7b016da293a1fb267efd0a
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ab91459253a14ca086ed1b79f0958b331fc09b7d611ef953ca85c045ff43024e
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b163fbf05c76b6ecf5065dbad14bc2079964dbfedeb76d6f3e9da339c0f33253
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ba7668b41ac8a2295eaa9a02952ff8b5947782b77645f53e06fbb3bb33c110df
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c12780831455d11678c4f38afa6c20585685c2ba8ada4c0d806b774ea16f4301
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d0f425d632246499581adac0452d9c38cb2076b9708760660e1256c974caf1a8
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d1be2499de89be1f90b8fba3abbf20cfd30152c3ae10674152b2604ac86d76ac
AgentTesla
+ 19'717 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/220928-lcgb6agfdl/
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
Adds Run key to start application
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot5630874250:AAEDuunIn-R-MBj31dAwDrUJIyI2VkuBgP4/
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/de09faa8-b395-4935-a4a7-141ed51cdf2d
Unpacked files
SH256 hash:
4c5f738dd2bfc890e9c66249928560fbbcc449e86ce9936744cc2ed132870f69
MD5 hash:
0926d583105553dd95164b5d628412c5
SHA1 hash:
a284f768d5cfd4ccdd072112bbf4f12326c1f025
Link:
https://www.unpac.me/results/45b5401d-93a0-49ab-8866-2c6053667c90/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4c5f738dd2bf/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/4c5f738dd2bfc890e9c66249928560fbbcc449e86ce9936744cc2ed132870f69

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/314298/

Comments