MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e4a672a0b99971c509fc59fce64fb7d42284233533f3561e81bda78427a5bc81. 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 3 File information Comments

SHA256 hash: e4a672a0b99971c509fc59fce64fb7d42284233533f3561e81bda78427a5bc81
SHA3-384 hash: 136695b77e1897e996e7822345e30663b0e13626cd6d87b8e4952b955c7823fa63100dddcaf3e29b17b884032942b184
SHA1 hash: eeeb8cd3bc2dcc20414928df021aab9289d91356
MD5 hash: f10861ffb66d0d4ae3a882de9b1c163f
humanhash: alpha-nevada-east-nuts
File name:SecuriteInfo.com.Trojan.PackedNET.1392.25882.14677
Download: download sample
Signature AgentTesla
File size:772'096 bytes
First seen:2022-06-23 02:41:50 UTC
Last seen:2022-06-23 10:41:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:sNQzoCAeoghGXOp3mDpyfgoVmgjEw/Lwp6WqPNxYK2yJ2iX6jpEKAjjB:WS45AGXOpWdcgoV
Threatray 18'119 similar samples on MalwareBazaar
TLSH T10BF41868350D31EFCDABC575DA280C68EAA4387F971B81177123119EAA4CB87EF151F2
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
235
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Sending a custom TCP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
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.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
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
Malicious sample detected (through community Yara rule)
Modifies the hosts file
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: 650847 Sample: SecuriteInfo.com.Trojan.Pac... Startdate: 23/06/2022 Architecture: WINDOWS Score: 100 62 Snort IDS alert for network traffic 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 Multi AV Scanner detection for dropped file 2->66 68 7 other signatures 2->68 7 SecuriteInfo.com.Trojan.PackedNET.1392.25882.exe 6 2->7         started        11 yqWDN.exe 5 2->11         started        13 yqWDN.exe 4 2->13         started        process3 file4 42 C:\Users\user\AppData\Roaming\sIfCpLN.exe, PE32 7->42 dropped 44 C:\Users\user\AppData\Local\...\tmpAB4D.tmp, XML 7->44 dropped 46 SecuriteInfo.com.T....1392.25882.exe.log, ASCII 7->46 dropped 70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->70 72 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->72 74 Uses schtasks.exe or at.exe to add and modify task schedules 7->74 15 SecuriteInfo.com.Trojan.PackedNET.1392.25882.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        76 Multi AV Scanner detection for dropped file 11->76 78 Machine Learning detection for dropped file 11->78 80 Injects a PE file into a foreign processes 11->80 22 yqWDN.exe 11->22         started        24 schtasks.exe 11->24         started        26 yqWDN.exe 13->26         started        28 schtasks.exe 13->28         started        signatures5 process6 dnsIp7 48 mail.standardengg-works.com 192.186.233.163, 49759, 49773, 49776 AS-26496-GO-DADDY-COM-LLCUS United States 15->48 36 C:\Users\user\AppData\Roaming\...\yqWDN.exe, PE32 15->36 dropped 38 C:\Windows\System32\drivers\etc\hosts, ASCII 15->38 dropped 40 C:\Users\user\...\yqWDN.exe:Zone.Identifier, ASCII 15->40 dropped 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->50 52 Tries to steal Mail credentials (via file / registry access) 15->52 54 Modifies the hosts file 15->54 56 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->56 30 conhost.exe 20->30         started        32 conhost.exe 24->32         started        58 Tries to harvest and steal ftp login credentials 26->58 60 Tries to harvest and steal browser information (history, passwords, etc) 26->60 34 conhost.exe 28->34         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-06-23 00:23:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer suricata 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
Adds Run key to start application
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
Drops file in Drivers directory
AgentTesla
suricata: ET MALWARE AgentTesla Exfil Via SMTP
Unpacked files
SH256 hash:
9eeed840ceb6f9d91df250069604f8e8f7194ebbcdd599f2dda21fe2782d1dd1
MD5 hash:
44c2ff19ce1724119278f45a3d2d9644
SHA1 hash:
769fd63a6cea8de040903c8ab7d37b0fd61e0b1f
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
79540466ae8bce3d23d34a889a58d0e27a9ff5c28e9ad8d6caf7f38ae170f173
MD5 hash:
5511f1482c58ca53fe231c584fd4bbfb
SHA1 hash:
1cccd5b76ef1918239426df00ec93d4bd9d707c4
SH256 hash:
e4a672a0b99971c509fc59fce64fb7d42284233533f3561e81bda78427a5bc81
MD5 hash:
f10861ffb66d0d4ae3a882de9b1c163f
SHA1 hash:
eeeb8cd3bc2dcc20414928df021aab9289d91356
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:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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