MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b14b4179a3ba7ec52b1c8b1eacc7ebb341b62424a3fff50c3c491da3c2b631cd. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments

SHA256 hash: b14b4179a3ba7ec52b1c8b1eacc7ebb341b62424a3fff50c3c491da3c2b631cd
SHA3-384 hash: 30382851e61b01f9930cd3e2fbec52a0c8edabc6bfb241a97cc146b103a8e2e520a88335e5c7bceb16a00030b9c8c6de
SHA1 hash: 55ef06ff93383f9e6d3d6201de129aeb0783383a
MD5 hash: b75c6b4d276f66dec4b604cf861b7009
humanhash: hydrogen-monkey-gee-fifteen
File name:Selected Sample.exe
Download: download sample
Signature AgentTesla
File size:805'888 bytes
First seen:2023-08-09 17:43:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'116 x AgentTesla, 20'118 x Formbook, 12'357 x SnakeKeylogger)
ssdeep 12288:+EzK/pEOSLYTtMSub+TRw6CT7fwDfCieSRzMyDpo0trgoqm:+eK/pEO6YTtMSub+nCT7YDGewye+g
Threatray 737 similar samples on MalwareBazaar
TLSH T13105273C156D6A8DF7A485FCB6708CFF17A4692F80BBF9F3884CA4D306A97D04502266
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f2ceaeaeb2968eaa (76 x RedLineStealer, 22 x AgentTesla, 18 x AveMariaRAT)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
290
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Selected Sample.exe
Verdict:
Malicious activity
Analysis date:
2023-08-09 18:03:36 UTC
Tags:
stealer agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Adding an exclusion to Microsoft Defender
Gathering data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: MSBuild connects to smtp port
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes / dynamic malware analysis system (file name check)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1288857 Sample: Selected_Sample.exe Startdate: 09/08/2023 Architecture: WINDOWS Score: 100 51 Found malware configuration 2->51 53 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->53 55 Sigma detected: Scheduled temp file as task from temp location 2->55 57 6 other signatures 2->57 7 Selected_Sample.exe 7 2->7         started        11 vlWdyp.exe 5 2->11         started        process3 file4 37 C:\Users\user\AppData\Roaming\vlWdyp.exe, PE32 7->37 dropped 39 C:\Users\user\AppData\Local\...\tmp8D1C.tmp, XML 7->39 dropped 59 Tries to detect sandboxes / dynamic malware analysis system (file name check) 7->59 61 Uses schtasks.exe or at.exe to add and modify task schedules 7->61 63 Writes to foreign memory regions 7->63 65 Adds a directory exclusion to Windows Defender 7->65 13 MSBuild.exe 15 2 7->13         started        17 powershell.exe 21 7->17         started        19 powershell.exe 21 7->19         started        21 schtasks.exe 1 7->21         started        67 Multi AV Scanner detection for dropped file 11->67 69 Machine Learning detection for dropped file 11->69 71 Injects a PE file into a foreign processes 11->71 23 MSBuild.exe 11->23         started        25 schtasks.exe 11->25         started        27 MSBuild.exe 11->27         started        signatures5 process6 dnsIp7 41 polypharma90.com 162.19.57.142, 49698, 49700, 587 CENTURYLINK-US-LEGACY-QWESTUS United States 13->41 43 mail.polypharma90.com 13->43 49 2 other IPs or domains 13->49 73 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->73 75 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->75 77 May check the online IP address of the machine 13->77 29 conhost.exe 17->29         started        31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        45 mail.polypharma90.com 23->45 47 api.ipify.org 23->47 79 Tries to steal Mail credentials (via file / registry access) 23->79 81 Tries to harvest and steal browser information (history, passwords, etc) 23->81 83 Installs a global keyboard hook 23->83 35 conhost.exe 25->35         started        signatures8 process9
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-08-09 05:08:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
AgentTesla
Unpacked files
SH256 hash:
ea3fe17563a2bac02bc5e6fe166c662d7318cc4c69f7f44480cfcb8af9692571
MD5 hash:
2c6f984784b1d464f23b4606ad10095f
SHA1 hash:
ef4aff2518dfcd6d8191b82ca020b66c5f7199bf
Detections:
AgentTeslaXorStringsNet
SH256 hash:
504410fd6158a7346f5a2e7b7714203b329d46dab5d129719410d5c325122804
MD5 hash:
74ed681a2d7aed1dae5627d4367474f8
SHA1 hash:
cad2df636d3f0710f69fdb18cbae03a332341dd3
SH256 hash:
4bc0541974fe00584a554a0ea43ec7b17ec1896158afba11af489aae14702a74
MD5 hash:
15123ce9106d171fc538d3ae045922ee
SHA1 hash:
7642e8cbef5108b91e178c6b30ef6ae45d8d4924
SH256 hash:
16432d3f944321ab3f3c76843fd6115bffa11972b0deb0d0148d054b50f546c8
MD5 hash:
734580bae3fe0fcbc866040910359bf0
SHA1 hash:
263792640d2efd51832ec01cc65baef05b04ec6e
SH256 hash:
b14b4179a3ba7ec52b1c8b1eacc7ebb341b62424a3fff50c3c491da3c2b631cd
MD5 hash:
b75c6b4d276f66dec4b604cf861b7009
SHA1 hash:
55ef06ff93383f9e6d3d6201de129aeb0783383a
Malware family:
AgentTesla.v4
Verdict:
Malicious
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

AgentTesla

Executable exe b14b4179a3ba7ec52b1c8b1eacc7ebb341b62424a3fff50c3c491da3c2b631cd

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments