MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5bf96b8b4dbcaefb28de614a310a78b5abf3f61d97efdf1f446ab3acf0a373e. 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: 17


Intelligence 17 IOCs YARA 9 File information Comments

SHA256 hash: f5bf96b8b4dbcaefb28de614a310a78b5abf3f61d97efdf1f446ab3acf0a373e
SHA3-384 hash: 3a9f52420c96b602378e521b8173d380d7ae37a801935fa3097526ed7917fa7d781b0d2651fe5bafe163d65ed1cd8373
SHA1 hash: 3714557ca1d49e729c6f8a6923fa3fd21898e7f3
MD5 hash: a92821dede6218f813696d1a058ae9dd
humanhash: cup-gee-bacon-violet
File name:Notice of payment_SWIFT BJ23004300IU.exe
Download: download sample
Signature AgentTesla
File size:779'776 bytes
First seen:2023-10-11 09:51:40 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 12288:95Te+X9K04x0vknAGqeRYytwBDJZ6FUbJwplZekgEyGcyhGGFgG88FPW4:9Ze+tP4x0hytSAF7/nypc9pW
Threatray 129 similar samples on MalwareBazaar
TLSH T1F9F4F1057AA8AF53DD3583F2466454401BF63C6F1534E298AFE232DF2871F806AA5F47
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
294
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Notice of payment_SWIFT BJ23004300IU.exe
Verdict:
Malicious activity
Analysis date:
2023-10-11 09:53:46 UTC
Tags:
agenttesla stealer

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
Sending a custom TCP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Gathering data
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
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: Scheduled temp file as task from temp location
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
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1323593 Sample: Notice_of_payment_SWIFT_BJ2... Startdate: 11/10/2023 Architecture: WINDOWS Score: 100 36 mail.absbldg.com 2->36 38 h12.hksx.com 2->38 42 Found malware configuration 2->42 44 Antivirus / Scanner detection for submitted sample 2->44 46 Sigma detected: Scheduled temp file as task from temp location 2->46 48 9 other signatures 2->48 8 byeuEDXFbDSzk.exe 4 2->8         started        11 Notice_of_payment_SWIFT_BJ23004300IU.exe 6 2->11         started        signatures3 process4 file5 50 Antivirus detection for dropped file 8->50 52 Multi AV Scanner detection for dropped file 8->52 54 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->54 56 Machine Learning detection for dropped file 8->56 14 byeuEDXFbDSzk.exe 2 8->14         started        17 schtasks.exe 1 8->17         started        32 C:\Users\user\AppData\...\byeuEDXFbDSzk.exe, PE32 11->32 dropped 34 C:\Users\user\AppData\Local\...\tmp7433.tmp, XML 11->34 dropped 58 Uses schtasks.exe or at.exe to add and modify task schedules 11->58 60 Adds a directory exclusion to Windows Defender 11->60 19 Notice_of_payment_SWIFT_BJ23004300IU.exe 2 11->19         started        22 powershell.exe 23 11->22         started        24 schtasks.exe 1 11->24         started        signatures6 process7 dnsIp8 62 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->62 64 Tries to steal Mail credentials (via file / registry access) 14->64 66 Tries to harvest and steal browser information (history, passwords, etc) 14->66 26 conhost.exe 17->26         started        40 h12.hksx.com 202.181.239.232, 49715, 49718, 587 HKCIX-AS-APHongKongCommercialInternetExchangeHK Hong Kong 19->40 28 conhost.exe 22->28         started        30 conhost.exe 24->30         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-10-10 16:26:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
16 of 22 (72.73%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
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
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
Unpacked files
SH256 hash:
a040efb5ce92995b5d40fd2536c8ad6a93f2d8584a3dd52f07cdb0b34c9e6e29
MD5 hash:
a5a52675690de850e3de6c05a9bd885f
SHA1 hash:
fd953edf2e910fbb43c9e6d4c8d48632bb4e55c6
SH256 hash:
7f9333770a33e568326d85ddffc1a45de6dc16893769cabe2678e34932e5d414
MD5 hash:
4433f27d683726ad8be05a8aaff005a1
SHA1 hash:
f04dde0fe795a6e053080bcd64841f682ffecb30
SH256 hash:
83504e4957b6a912f212206d84c5a30c8878ff864359700e69f73586c19cc098
MD5 hash:
3503951190f52faa6b1e6860b82e0f3b
SHA1 hash:
eb5ebba6411b525114ee1fa1ede005bf6a3b70f8
SH256 hash:
f5bf96b8b4dbcaefb28de614a310a78b5abf3f61d97efdf1f446ab3acf0a373e
MD5 hash:
a92821dede6218f813696d1a058ae9dd
SHA1 hash:
3714557ca1d49e729c6f8a6923fa3fd21898e7f3
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
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
Rule name:win_agent_tesla_bytecodes_sep_2023
Author:Matthew @embee_research

File information


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

Malspam

AgentTesla

Executable exe f5bf96b8b4dbcaefb28de614a310a78b5abf3f61d97efdf1f446ab3acf0a373e

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments