MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a6431acda94d042416bcab37257d49217114ea3f3050b72e8df66b49b0545a3. 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 7 File information Comments

SHA256 hash: 3a6431acda94d042416bcab37257d49217114ea3f3050b72e8df66b49b0545a3
SHA3-384 hash: a65ac46a6e30bc6c25d7104615142c250fbe653b4e37fa8681b58d9d8ecf7bf5645b1a2a58f8bb7de711d267de0eeb5a
SHA1 hash: 39588b5a8b481181e8ab11c5860573b1cd92197e
MD5 hash: 2460bf25545d144cffe7bc8f3c57a164
humanhash: carbon-december-indigo-nitrogen
File name:MKi988.exe
Download: download sample
Signature AgentTesla
File size:137'288 bytes
First seen:2024-02-13 13:46:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 3072:Z362Y9K0GZtvlyYjIbc/7GmCMY7pdk5LrTIXAJ:ZubGZtvly5bPsTqAJ
Threatray 28 similar samples on MalwareBazaar
TLSH T1EDD3D44BB6891751D81569B081FB1A3407E2AED71B33D6C53F08639E4E027A3DE96B0F
TrID 66.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.0% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 00be8323b233bac0 (79 x AgentTesla, 11 x Loki, 9 x DarkCloud)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
312
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Creating a window
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anydesk compromised net_reactor overlay packed packed pup stealer
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, Discord Token Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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
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 steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Discord Token Stealer
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2024-02-12 10:45:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
AgentTesla
Malware Config
C2 Extraction:
https://discord.com/api/webhooks/1205053859760701470/zEcMtN-LdyG9d_5j6FHXEYO3_VL2BXys4pdYdS9SngP-f9O14c-2Tr_I_gJCn-t3-7GN
Unpacked files
SH256 hash:
3a6431acda94d042416bcab37257d49217114ea3f3050b72e8df66b49b0545a3
MD5 hash:
2460bf25545d144cffe7bc8f3c57a164
SHA1 hash:
39588b5a8b481181e8ab11c5860573b1cd92197e
Malware family:
AgentTesla
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:AgentTesla
Author:Harish Kumar P
Description:Yara Rule to Detect AgentTesla
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
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 3a6431acda94d042416bcab37257d49217114ea3f3050b72e8df66b49b0545a3

(this sample)

  
Delivery method
Distributed via e-mail attachment

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