MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4fa6b42e185b020148be0e775cdca44f00701b7cd2e68d78dc16cf6dcf6a2dba. 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 2 File information Comments

SHA256 hash: 4fa6b42e185b020148be0e775cdca44f00701b7cd2e68d78dc16cf6dcf6a2dba
SHA3-384 hash: fa2c619b49fcc60c1c2855cb8a2cca108981af1fb3b97692f8152239e1d978740c94352ac6460661ec18f9126fc7d07e
SHA1 hash: fe0b9af726210861fdb92f1b4639bc842f62d4f0
MD5 hash: 4f1c612c8c1853738f853e8085e68c89
humanhash: diet-two-summer-harry
File name:Outstanding_payment202047654Outstanding_payment202047654.exe
Download: download sample
Signature AgentTesla
File size:898'560 bytes
First seen:2022-03-08 11:21:36 UTC
Last seen:2022-03-08 13:05:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:eG5ANovQkoK3fxgUm8RC27Aqw0uprvd404X:INh4JgrMr0J0upUX
Threatray 16'125 similar samples on MalwareBazaar
TLSH T1C315126C7BC95933C2960E7BD6C182106770C8962B07F787BDC936AEAA433DC1E53691
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
205
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
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.adwa.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 584954 Sample: Outstanding_payment20204765... Startdate: 08/03/2022 Architecture: WINDOWS Score: 100 35 store-images.s-microsoft.com 2->35 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 6 other signatures 2->47 7 Outstanding_payment202047654Outstanding_payment202047654.exe 3 2->7         started        11 tKZVPq.exe 2 2->11         started        13 tKZVPq.exe 2 2->13         started        signatures3 process4 file5 27 Outstanding_paymen...nt202047654.exe.log, ASCII 7->27 dropped 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->49 51 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->51 53 Injects a PE file into a foreign processes 7->53 15 Outstanding_payment202047654Outstanding_payment202047654.exe 2 5 7->15         started        19 Outstanding_payment202047654Outstanding_payment202047654.exe 7->19         started        55 Multi AV Scanner detection for dropped file 11->55 57 Machine Learning detection for dropped file 11->57 21 tKZVPq.exe 11->21         started        23 tKZVPq.exe 11->23         started        25 tKZVPq.exe 11->25         started        signatures6 process7 file8 29 C:\Users\user\AppData\Roaming\...\tKZVPq.exe, PE32 15->29 dropped 31 C:\Windows\System32\drivers\etc\hosts, ASCII 15->31 dropped 33 C:\Users\user\...\tKZVPq.exe:Zone.Identifier, ASCII 15->33 dropped 37 Modifies the hosts file 15->37 39 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->39 signatures9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-08 10:12:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
23 of 27 (85.19%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
8d8468c64e033b3befbb9f850d62ae68736eaa886e58c73d24faa11a23090e3d
MD5 hash:
e282445f1e28149e7584b5c1fc91cf4a
SHA1 hash:
f56052ce049e6e51bc414851f775ea53bfa55f4f
SH256 hash:
175285bfa8a73b3990f54994b8825c1f3396635bc344939cd8d9fc60b9569b46
MD5 hash:
f26eb90c6addfc99fa0c2e63896216d2
SHA1 hash:
77e01b96d8c211d4d24fc0a1aae91122caf5f668
SH256 hash:
8ea12aaf22a78e896665fd465e412646a84637a80eb4efd8b0ff632628bcd48f
MD5 hash:
9502320bd5381b5beb52bea575c5bc62
SHA1 hash:
2ef4dea1ffc0f624447deb0f31b85487c7abe4ba
SH256 hash:
5175b55809eb15d58f88ff6f2d29e15214051625eca309d66c79f03762e42244
MD5 hash:
0d36c35b1972ba3b08daca684a6a6a79
SHA1 hash:
24a18670c9ad5f2758d2f2e9b453501e2fab331b
SH256 hash:
4fa6b42e185b020148be0e775cdca44f00701b7cd2e68d78dc16cf6dcf6a2dba
MD5 hash:
4f1c612c8c1853738f853e8085e68c89
SHA1 hash:
fe0b9af726210861fdb92f1b4639bc842f62d4f0
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: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 4fa6b42e185b020148be0e775cdca44f00701b7cd2e68d78dc16cf6dcf6a2dba

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments