MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfa6b4961784928929bcd97f3ffc3ffe24b54af4e50b6e49bb075eebf4d2147d. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments

SHA256 hash: bfa6b4961784928929bcd97f3ffc3ffe24b54af4e50b6e49bb075eebf4d2147d
SHA3-384 hash: 080e21577ae822e9a4ee89a3bcc1feb9d3ccc8aa04a83489cbbdfbc96ca9fa7c43bbe49c36e1ec83d7ee40b92a74ffa9
SHA1 hash: 04221759fe848d9e03cf08fd190e810555808fb3
MD5 hash: 852599530cd1c27a2f4b469748164813
humanhash: princess-delaware-undress-fish
File name:JULY SOA.exe
Download: download sample
Signature AgentTesla
File size:81'408 bytes
First seen:2023-08-14 15:54:35 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 768:gv9DxqMd/I5B5lbyQ+qG0YelP09U4295duAAaZR5Sv9aCQ2N2s8Fe+M:gPqHrbUcdl5PAaZ/Sv93Q28FHM
Threatray 5'599 similar samples on MalwareBazaar
TLSH T14F835B07A758833EE1920676EB7B53421734E85B1765C3CF344D72692B127E8EA72387
TrID 53.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
12.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
9.5% (.SCR) Windows screen saver (13097/50/3)
7.6% (.EXE) Win64 Executable (generic) (10523/12/4)
4.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
306
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
JULY SOA.exe
Verdict:
Malicious activity
Analysis date:
2023-08-14 15:56:06 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
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a file in the %AppData% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
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:
spre.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates multiple autostart registry keys
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1291050 Sample: JULY_SOA.exe Startdate: 14/08/2023 Architecture: WINDOWS Score: 100 37 wecaresvc.com 2->37 39 mail.wecaresvc.com 2->39 41 3 other IPs or domains 2->41 49 Found malware configuration 2->49 51 Antivirus / Scanner detection for submitted sample 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 9 other signatures 2->55 7 JULY_SOA.exe 16 5 2->7         started        12 Myefrsk.exe 14 5 2->12         started        14 Myefrsk.exe 2->14         started        16 2 other processes 2->16 signatures3 process4 dnsIp5 47 files.catbox.moe 108.181.20.39, 443, 49750, 49764 ASN852CA Canada 7->47 35 C:\Users\user\AppData\Roaming\Myefrsk.exe, PE32 7->35 dropped 69 Creates multiple autostart registry keys 7->69 71 Writes to foreign memory regions 7->71 73 Injects a PE file into a foreign processes 7->73 18 MSBuild.exe 16 4 7->18         started        23 MSBuild.exe 7->23         started        75 Antivirus detection for dropped file 12->75 77 Multi AV Scanner detection for dropped file 12->77 79 Machine Learning detection for dropped file 12->79 25 MSBuild.exe 12->25         started        27 MSBuild.exe 14->27         started        29 conhost.exe 16->29         started        31 conhost.exe 16->31         started        file6 signatures7 process8 dnsIp9 43 wecaresvc.com 103.138.106.17, 49759, 49767, 49769 ABOVE-AS-APAboveNetCommunicationsTaiwanTW Taiwan; Republic of China (ROC) 18->43 45 api4.ipify.org 173.231.16.76, 443, 49753, 49766 WEBNXUS United States 18->45 33 C:\Users\user\AppData\Roaming\...\qLYhCbk.exe, PE32 18->33 dropped 57 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->57 59 Tries to steal Mail credentials (via file / registry access) 18->59 61 Creates multiple autostart registry keys 18->61 63 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 23->63 65 Tries to harvest and steal browser information (history, passwords, etc) 27->65 67 Hides that the sample has been downloaded from the Internet (zone.identifier) 27->67 file10 signatures11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-08-14 15:55:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Unpacked files
SH256 hash:
bfa6b4961784928929bcd97f3ffc3ffe24b54af4e50b6e49bb075eebf4d2147d
MD5 hash:
852599530cd1c27a2f4b469748164813
SHA1 hash:
04221759fe848d9e03cf08fd190e810555808fb3
Malware family:
AgentTesla
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:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Malspam

AgentTesla

Executable exe bfa6b4961784928929bcd97f3ffc3ffe24b54af4e50b6e49bb075eebf4d2147d

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments