MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3660e5c8b93737203d8fd83e8bf059e2dedc8ca43e7cbf91e15f75df7ee4a1d2. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments 1

SHA256 hash: 3660e5c8b93737203d8fd83e8bf059e2dedc8ca43e7cbf91e15f75df7ee4a1d2
SHA3-384 hash: d54eb9f3ba9d54b46686d13f6ed3a1c60b00c2045bb27e5c025918766634385bffebe34fe599b7d1352d92ac1ee09d1a
SHA1 hash: fbc6c10f087ee2d003d1444a2c06cb9fa1fcb110
MD5 hash: 106c2e554bf1cbcd6b42d7e1347976cf
humanhash: twelve-mountain-fish-yellow
File name:file.exe
Download: download sample
Signature AgentTesla
File size:887'808 bytes
First seen:2021-05-24 15:44:15 UTC
Last seen:2021-05-24 16:03:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:pBC7DH6SWG4BmLgbIlpqxcG1RCRdKZX1C+pmW+tTV:pBC7DaSX+mqIlcWG14RdKZX1C+pE
Threatray 5'147 similar samples on MalwareBazaar
TLSH E115AD2C516EF126C2ACC37946D4443BE590D7377032FE28ECD757A85B29E80B99227E
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
96
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file.exe
Verdict:
Suspicious activity
Analysis date:
2021-05-25 01:45:32 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
Changing a file
Creating a window
Sending a UDP request
Searching for the window
Creating a file in the Windows subdirectories
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
.NET source code contains very large strings
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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 (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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 423367 Sample: file.exe Startdate: 25/05/2021 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 6 other signatures 2->53 6 file.exe 3 2->6         started        10 gqxRqe.exe 3 2->10         started        12 gqxRqe.exe 2 2->12         started        process3 file4 27 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 6->27 dropped 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->55 57 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->57 59 Injects a PE file into a foreign processes 6->59 14 file.exe 17 9 6->14         started        19 file.exe 6->19         started        61 Multi AV Scanner detection for dropped file 10->61 21 gqxRqe.exe 10->21         started        23 gqxRqe.exe 10->23         started        25 gqxRqe.exe 2 12->25         started        signatures5 process6 dnsIp7 35 iquna-eg.com 62.210.94.85, 21, 49761, 49762 OnlineSASFR France 14->35 37 ftp.iquna-eg.com 14->37 29 C:\Users\user\AppData\Roaming\...\gqxRqe.exe, PE32 14->29 dropped 31 C:\Users\user\...\gqxRqe.exe:Zone.Identifier, ASCII 14->31 dropped 39 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->39 41 Tries to steal Mail credentials (via file access) 14->41 43 Tries to harvest and steal ftp login credentials 14->43 45 3 other signatures 14->45 33 C:\Windows\System32\drivers\etc\hosts, ASCII 25->33 dropped file8 signatures9
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2021-05-24 14:55:08 UTC
AV detection:
15 of 28 (53.57%)
Threat level:
  2/5
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 3660e5c8b93737203d8fd83e8bf059e2dedc8ca43e7cbf91e15f75df7ee4a1d2

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-24 16:07:01 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0001.025] Anti-Behavioral Analysis::Software Breakpoints
1) [B0009.029] Anti-Behavioral Analysis::Instruction Testing