MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b770d99eac75fd82f3a9c9e10caa1b6c98c12d3e21abaa7e7c090ad55b807af3. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: b770d99eac75fd82f3a9c9e10caa1b6c98c12d3e21abaa7e7c090ad55b807af3
SHA3-384 hash: bd046cdf26eba6f90e550898bbad074f6df8b80901f29e90ed5067c84d8bee4ad3938b276c05ddbe7a2c03b38292e009
SHA1 hash: ac5566d9b1acc7fa2ecdc86f4735bfef263cc249
MD5 hash: 2d0d13db7f07db5f45e08676e89b34bf
humanhash: chicken-oklahoma-berlin-wisconsin
File name:SOA.exe
Download: download sample
Signature AgentTesla
File size:856'576 bytes
First seen:2021-05-31 12:52:39 UTC
Last seen:2021-05-31 14:15:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:yhTRuENoy6N7c/DzMLYsJhhEGjoasxPZjphtkBOx1usSUQqTUFerybAYvLU6yRsp:W/DILdkNxPkBi1usSU9THinCmv
Threatray 5'425 similar samples on MalwareBazaar
TLSH 6005E12232AD9FE5C33E83F985E0D07303F1B4A7F722E93D2E9191994992740DB51AB5
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
199
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SOA.exe
Verdict:
No threats detected
Analysis date:
2021-05-31 12:53:14 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 UDP request
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
Allocates memory in foreign processes
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Modifies the hosts 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)
Sigma detected: Suspicious Process Start Without DLL
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-05-31 09:40:52 UTC
AV detection:
14 of 28 (50.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
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.

Malspam

AgentTesla

Executable exe b770d99eac75fd82f3a9c9e10caa1b6c98c12d3e21abaa7e7c090ad55b807af3

(this sample)

  
Delivery method
Distributed via e-mail attachment

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