MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90839a93f2916d06225104ae35029f218d115c3730b457de2a64238fe0b3023a. 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 4 File information Comments

SHA256 hash: 90839a93f2916d06225104ae35029f218d115c3730b457de2a64238fe0b3023a
SHA3-384 hash: 1fe3f201a39e7f8d5f93955d21f9160f4496d63241aa49a51e0dc35a970e0ca8059aecc1927046faba1332a9305ae801
SHA1 hash: dfe4056098a40d2cdfdb0992881ec7d6ffe9c9fe
MD5 hash: 2573cb2fa03467320ca9903161ab0bf8
humanhash: batman-friend-wyoming-michigan
File name:SecuriteInfo.com.Trojan.PackedNET.1389.29450.6620
Download: download sample
Signature AgentTesla
File size:485'888 bytes
First seen:2022-06-20 12:32:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:8tPs1w3QU5VGW+6qcMWHCl5EhI5S8uP9tUWivSnIAxirXFmTAGy2NRvTMKNoWboH:CZEl5EhoSrqSIAizATU2NBosk9A
Threatray 17'948 similar samples on MalwareBazaar
TLSH T136A41224A27977A3C037E7F889AB06D0C3F556359E43F05A8ED161EE4837F988691B07
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 d4aae8cce8b296cc (16 x AgentTesla, 10 x Loki, 7 x FormBook)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
220
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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 very large array initializations
Adds a directory exclusion to Windows Defender
Injects a PE file into a foreign processes
Installs a global keyboard hook
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 648789 Sample: SecuriteInfo.com.Trojan.Pac... Startdate: 20/06/2022 Architecture: WINDOWS Score: 100 31 Snort IDS alert for network traffic 2->31 33 Malicious sample detected (through community Yara rule) 2->33 35 Multi AV Scanner detection for dropped file 2->35 37 5 other signatures 2->37 7 SecuriteInfo.com.Trojan.PackedNET.1389.29450.exe 7 2->7         started        process3 file4 23 C:\Users\user\AppData\...\kyBNsayJOxydi.exe, PE32 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmp4570.tmp, XML 7->25 dropped 27 SecuriteInfo.com.T....1389.29450.exe.log, ASCII 7->27 dropped 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->39 41 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->41 43 Uses schtasks.exe or at.exe to add and modify task schedules 7->43 45 2 other signatures 7->45 11 SecuriteInfo.com.Trojan.PackedNET.1389.29450.exe 6 7->11         started        15 powershell.exe 25 7->15         started        17 schtasks.exe 1 7->17         started        signatures5 process6 dnsIp7 29 mail.manyet.com 178.210.170.65, 49785, 49788, 587 PREMIERDC-VERI-MERKEZI-ANONIM-SIRKETIPREMIERDC-SHTR Turkey 11->29 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->47 49 Tries to steal Mail credentials (via file / registry access) 11->49 51 Tries to harvest and steal ftp login credentials 11->51 53 2 other signatures 11->53 19 conhost.exe 15->19         started        21 conhost.exe 17->21         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-06-20 10:53:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer suricata 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
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
suricata: ET MALWARE AgentTesla Exfil Via SMTP
Unpacked files
SH256 hash:
aefb0506dda236e4f1186873affc43890b8165f98179e8b33fe2adc3085450a5
MD5 hash:
e42ceedec8de534c51aa8e8668bd2cb5
SHA1 hash:
a1906cc63bd814fa8a4a5dc8591f6e9d09e689bc
SH256 hash:
c331072ebdd5c447c053da96da7fa3eec698fa0cadfbc08443f6cc9b68112c77
MD5 hash:
a18eb2629ae5f263dc736364b3b8516f
SHA1 hash:
b04fc36e8a143cb17f382db65825986922fb2428
SH256 hash:
6de8bc7d4844efdb55328126b632a374bee9aaf3073cf9ca5fe5fdf303106f8e
MD5 hash:
7ce2d10bd0f02667bc0e1343d9ffc1c1
SHA1 hash:
c3a5b4e5721085022eb7bf0008b7e449f9369fcf
SH256 hash:
26216b634e146f57f9232e8b6fd74422932a6b8db054d04a62b789fd37e99a61
MD5 hash:
50e54cda2a7193d5520bf5d7f83ffb31
SHA1 hash:
f8c38691fc6be98ad4ae8dce441e07dfc5074c94
SH256 hash:
90839a93f2916d06225104ae35029f218d115c3730b457de2a64238fe0b3023a
MD5 hash:
2573cb2fa03467320ca9903161ab0bf8
SHA1 hash:
dfe4056098a40d2cdfdb0992881ec7d6ffe9c9fe
Malware family:
AgentTesla.v3
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:exploit_any_poppopret
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
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.

Web download

AgentTesla

Executable exe 90839a93f2916d06225104ae35029f218d115c3730b457de2a64238fe0b3023a

(this sample)

  
Delivery method
Distributed via web download

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