MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40a14914d81b9ed410d59ff28faa9dd835eef9d36b6897f70700e5899df0ba70. 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: 16


Intelligence 16 IOCs YARA 5 File information Comments

SHA256 hash: 40a14914d81b9ed410d59ff28faa9dd835eef9d36b6897f70700e5899df0ba70
SHA3-384 hash: 2bda41ff994cc77fda57e5a2e12c2d786878ed9fdfcb2cfd503bca2041e751b2eaf45626125bf9b0b0a686007e83161c
SHA1 hash: bd7c7d4ed91d3388af41f867f742d0901ef7a648
MD5 hash: d79fcbfe4353a2ddab4fc5e9be509986
humanhash: double-six-montana-social
File name:Pre-alert M160-45027883.exe
Download: download sample
Signature AgentTesla
File size:294'073 bytes
First seen:2022-11-02 13:46:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 6144:hweEt3s4oHtkJld6LIraDRS+drG3iHOqwQuE5X7vd9:owkMtsxQuE5Lv7
Threatray 19'553 similar samples on MalwareBazaar
TLSH T1AD5412CB99F20077F1A2C77464B39A5ACF32D89C15A1D0476BC05FE97466BC1ABAD302
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0096cc714d86aa00 (18 x RemcosRAT, 14 x Formbook, 7 x AgentTesla)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
222
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Pre-alert M160-45027883.exe
Verdict:
Malicious activity
Analysis date:
2022-11-02 13:56:32 UTC
Tags:
agenttesla

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 process from a recently created file
Creating a file in the %AppData% subdirectories
Using the Windows Management Instrumentation requests
DNS request
Сreating synchronization primitives
Sending a custom TCP request
Launching a process
Reading critical registry keys
Creating a window
Forced system process termination
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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:
Malicious
Threat level:
  10/10
Confidence:
100%
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
.NET source code contains very large array initializations
Creates multiple autostart registry keys
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
May check the online IP address of the machine
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 735988 Sample: Pre-alert M160-45027883.exe Startdate: 02/11/2022 Architecture: WINDOWS Score: 100 68 Malicious sample detected (through community Yara rule) 2->68 70 Multi AV Scanner detection for submitted file 2->70 72 Yara detected AgentTesla 2->72 74 2 other signatures 2->74 7 Pre-alert M160-45027883.exe 18 2->7         started        10 trrmko.exe 2->10         started        13 trrmko.exe 2->13         started        process3 file4 28 C:\Users\user\AppData\Local\Temp\rqrcn.exe, PE32 7->28 dropped 30 C:\Users\user\AppData\Local\...\stzxront.ac, DOS 7->30 dropped 15 rqrcn.exe 1 2 7->15         started        82 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->82 84 May check the online IP address of the machine 10->84 86 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->86 88 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 10->88 19 trrmko.exe 14 3 10->19         started        90 Maps a DLL or memory area into another process 13->90 22 trrmko.exe 3 13->22         started        signatures5 process6 dnsIp7 32 C:\Users\user\AppData\Roaming\...\trrmko.exe, PE32 15->32 dropped 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->52 54 May check the online IP address of the machine 15->54 56 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->56 66 2 other signatures 15->66 24 rqrcn.exe 17 6 15->24         started        34 52.20.78.240, 443, 49698, 49701 AMAZON-AESUS United States 19->34 36 api.ipify.org.herokudns.com 19->36 38 api.ipify.org 19->38 40 webmail.corsinitravel.com 22->40 42 api.ipify.org.herokudns.com 22->42 44 api.ipify.org 22->44 58 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->58 60 Tries to steal Mail credentials (via file / registry access) 22->60 62 Tries to harvest and steal ftp login credentials 22->62 64 Tries to harvest and steal browser information (history, passwords, etc) 22->64 file8 signatures9 process10 dnsIp11 46 x1.i.lencr.org 24->46 48 webmail.corsinitravel.com 104.152.168.38, 49697, 49703, 587 CROCWEBCA Canada 24->48 50 2 other IPs or domains 24->50 76 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->76 78 Tries to steal Mail credentials (via file / registry access) 24->78 80 Creates multiple autostart registry keys 24->80 signatures12
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-11-02 08:23:48 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
19 of 25 (76.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
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
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
032ac99dfc3288e2aa92887dd9be3275cf21c5c81019f68d4b50e308c50b4059
MD5 hash:
76bc2ee5d3ce892da0cdae59be97295a
SHA1 hash:
ecc90827d9aad6bff6876c2b1e40139d28953f32
SH256 hash:
e64217cf7864ada1a499130b731abf657678802098bdee4b4f692ffa85a3ea9a
MD5 hash:
41c836b47e35f733699ed46988a1fb82
SHA1 hash:
5f2c0ff8bed6bd13b73dcfbdd854f619dcb45b94
SH256 hash:
e3f78df334d503bd9252ce8c7bbd55d091f2e0bc0965326acec2d4c7636b98ae
MD5 hash:
637e0424f938ada86773d0141bc187cb
SHA1 hash:
53b42feff991276473673ccb0671c80da84dbbea
SH256 hash:
40a14914d81b9ed410d59ff28faa9dd835eef9d36b6897f70700e5899df0ba70
MD5 hash:
d79fcbfe4353a2ddab4fc5e9be509986
SHA1 hash:
bd7c7d4ed91d3388af41f867f742d0901ef7a648
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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
Rule name:Windows_Trojan_AgentTesla_d3ac2b2f
Author:Elastic Security

File information


The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other

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