MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 290fc73136559c7231df2af03155badf2a1341c7742364bf8bc260b4d12c8aaa. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: 290fc73136559c7231df2af03155badf2a1341c7742364bf8bc260b4d12c8aaa
SHA3-384 hash: 60d5f9ce467a5755e9a51e6eb7257f35fdff501a9717046f89b37912678b2082fc15d0ccb59c6effe43ec5e428620d13
SHA1 hash: 832792fab2c23168ed2ca76cabee901955d210cb
MD5 hash: 8880100f1fe19688734c8dcb6cb41fe9
humanhash: high-double-diet-equal
File name:8880100f1fe19688734c8dcb6cb41fe9.exe
Download: download sample
Signature AgentTesla
File size:457'723 bytes
First seen:2023-01-19 15:08:26 UTC
Last seen:2023-01-19 16:38:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:uYa67p2otB5hFgfw/vYsXgoeJ00LOeigajlgSQv:uYNppPTyY/gsyBH0jSSQv
TLSH T1A9A4DE582008B147EAEE76391FB4DDBA17A89CD91C26027776E47E8BB3FD0571448336
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.aquayflores.cl:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
179
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8880100f1fe19688734c8dcb6cb41fe9.exe
Verdict:
Malicious activity
Analysis date:
2023-01-19 15:15:30 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
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Reading critical registry keys
DNS request
Connecting to a non-recommended domain
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
No Threat
Threat level:
  10/10
Confidence:
83%
Tags:
overlay packed shell32.dll
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Maps a DLL or memory area into another process
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-01-19 08:24:01 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection spyware stealer
Behaviour
Suspicious behavior: MapViewOfSection
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
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
Unpacked files
SH256 hash:
59a8265cc53cc20cce95281b1b90d1388997283dec072c416b2f549c55be2919
MD5 hash:
8b3a3ea0173cd3c535931d6e945451df
SHA1 hash:
f88fdda2c2506c812687cd61df53e917b3a51f11
SH256 hash:
290fc73136559c7231df2af03155badf2a1341c7742364bf8bc260b4d12c8aaa
MD5 hash:
8880100f1fe19688734c8dcb6cb41fe9
SHA1 hash:
832792fab2c23168ed2ca76cabee901955d210cb
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:pe_imphash
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
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 290fc73136559c7231df2af03155badf2a1341c7742364bf8bc260b4d12c8aaa

(this sample)

  
Delivery method
Distributed via web download

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