MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39f961f5b49ef78a9cb32548c8941dda6202da28953ce7013f5d8d3b49a69f48. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: 39f961f5b49ef78a9cb32548c8941dda6202da28953ce7013f5d8d3b49a69f48
SHA3-384 hash: 91b487161e1b1dff2bc09fb250edcec583950336caac82c5be04a67f0d85ea89bd1c609f6e95f986385fb0930131e058
SHA1 hash: 5c5d5909802257baa0c07e5833d12132021322a6
MD5 hash: 0a948dbaa1ceef35d2c12518fe631031
humanhash: alaska-tango-texas-vermont
File name:39f961f5b49ef78a9cb32548c8941dda6202da28953ce7013f5d8d3b49a69f48
Download: download sample
Signature AgentTesla
File size:696'832 bytes
First seen:2023-06-08 11:24:03 UTC
Last seen:2023-06-08 11:41:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:17z5GoJiGaq5au0FYoaL/0RscpsoBBc9TdMvpZ1H8lE46lN9Rl:x5GoR5azLi0h2oQ9TOf8lMl/Rl
Threatray 2'492 similar samples on MalwareBazaar
TLSH T1DEE42264322A181BF8B7777526169EB00BB77B657430E79E0DC133EF5A8AF525228703
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 c4ccccd4d4cccccc (8 x AgentTesla, 7 x Loki, 3 x RemcosRAT)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
265
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
39f961f5b49ef78a9cb32548c8941dda6202da28953ce7013f5d8d3b49a69f48
Verdict:
Malicious activity
Analysis date:
2023-06-08 11:23:32 UTC
Tags:
n/a

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 process with a hidden window
Launching a process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
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 potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
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: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 884452 Sample: a2rFqDKHUr.exe Startdate: 08/06/2023 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic 2->38 40 Found malware configuration 2->40 42 Sigma detected: Scheduled temp file as task from temp location 2->42 44 7 other signatures 2->44 7 a2rFqDKHUr.exe 15 11 2->7         started        12 xaRKAdbKnon.exe 3 2->12         started        process3 dnsIp4 32 api4.ipify.org 173.231.16.76, 443, 49709 WEBNXUS United States 7->32 34 api.telegram.org 149.154.167.220, 443, 49710, 49711 TELEGRAMRU United Kingdom 7->34 36 api.ipify.org 7->36 26 C:\Users\user\AppData\...\xaRKAdbKnon.exe, PE32 7->26 dropped 28 C:\Users\...\xaRKAdbKnon.exe:Zone.Identifier, ASCII 7->28 dropped 30 C:\Users\user\AppData\Local\...\tmpD59D.tmp, XML 7->30 dropped 46 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->46 48 May check the online IP address of the machine 7->48 50 Tries to steal Mail credentials (via file / registry access) 7->50 56 4 other signatures 7->56 14 powershell.exe 21 7->14         started        16 powershell.exe 21 7->16         started        18 schtasks.exe 1 7->18         started        52 Multi AV Scanner detection for dropped file 12->52 54 Machine Learning detection for dropped file 12->54 file5 signatures6 process7 process8 20 conhost.exe 14->20         started        22 conhost.exe 16->22         started        24 conhost.exe 18->24         started       
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2023-05-31 15:53:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
22 of 37 (59.46%)
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 SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
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/bot6045247615:AAHhJ3cfSHaXw3ZVFV0QJWaTMcgPU9OMGvM/
Unpacked files
SH256 hash:
3130e472495e1e5ab091ef442e605945aaeda5e81a9a2645e34bfc85f6a423a5
MD5 hash:
33ec8a14b2b13b300dd21f61d9c3e93b
SHA1 hash:
9ec1f17035ab854fd836c38802b100e10d1398e9
Detections:
AgentTeslaXorStringsNet
SH256 hash:
6faf9b5d868152eaab79ada83cc833cce4f04618d9cf944ee2d65c07d41561f1
MD5 hash:
5e211f8f0635dd35dc978079b0ec510f
SHA1 hash:
9c942dd3d5b2bf3752a1595dec1283e1a6c7926f
SH256 hash:
16c255190eaaf1b60ec7d07abcac5f614ea197cee2416ca9d01bb563c526c87d
MD5 hash:
fb4ed205b442f470bbf10913128efdcb
SHA1 hash:
9a0a4c5ae429769e3253a9a3daefa24270b87a5b
SH256 hash:
02e7fe77946c875ba3ab4868210e7b979211c80e83a73d5d24e6e4e01fec36e8
MD5 hash:
a21577853037595c1c2c2f17863b8354
SHA1 hash:
6d286a5113bb01d84ce55a4d80dd4a57189c63d0
SH256 hash:
aa55a49c4e26b6c0cfb3aa599f5cb5c6eae65e0a7884458e75614092d073cf5f
MD5 hash:
9d9bed3fb41b5b721aafd13220f48c73
SHA1 hash:
069c54846fffaf8ba3abc8f140a60dd9755ff20a
SH256 hash:
39f961f5b49ef78a9cb32548c8941dda6202da28953ce7013f5d8d3b49a69f48
MD5 hash:
0a948dbaa1ceef35d2c12518fe631031
SHA1 hash:
5c5d5909802257baa0c07e5833d12132021322a6
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: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.

Comments