MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a792c75171ffe33735115662b89bb58635c750e2405cb30556faf96e26769c8d. 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: 11


Intelligence 11 IOCs YARA 8 File information Comments

SHA256 hash: a792c75171ffe33735115662b89bb58635c750e2405cb30556faf96e26769c8d
SHA3-384 hash: 2ccf9b14bdb36fe15b5399d0d85bbe1b8b70972d5002c7b4c7b47d89679c82431c73a20d1a7eaaa0b550acc0a13b6c97
SHA1 hash: fed182557965c63e8216764f901a769b829fe6d1
MD5 hash: 4cdae6ce12663a8ca59e0996ca4b27fe
humanhash: wolfram-ack-vegan-lion
File name:New_PO-N3100.exe
Download: download sample
Signature AgentTesla
File size:955'392 bytes
First seen:2021-05-27 05:30:46 UTC
Last seen:2021-05-27 07:00:22 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 12288:VmzFdT40x10xEbPAgO3zlVnc3SXHQMoT6U7VgEvWTtZ/LGMDnUmiODfVBOH1n+Ax:Y7R1AAe3KSglva/iO1hph
Threatray 5'340 similar samples on MalwareBazaar
TLSH 6B156C343AFA501AB173EFAA5BE47596DA6FB7333B07A45E1050038A0723A81DDD153E
Reporter ankit_anubhav
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
2
# of downloads :
108
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://onedrive.live.com/download?cid=AD40241542E2EF3C&resid=AD40241542E2EF3C%21492&authkey=AOt0_WUz_JXIcg8
Verdict:
Malicious activity
Analysis date:
2021-05-25 10:25:29 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
Unauthorized injection to a recently created process
Creating a file
Creating a window
Sending a custom TCP request
Sending a UDP request
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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 strings
Contains functionality to register a low level keyboard hook
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
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 steal Mail credentials (via file access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 425409 Sample: New_PO-N3100.exe Startdate: 27/05/2021 Architecture: WINDOWS Score: 100 32 Found malware configuration 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected AgentTesla 2->36 38 2 other signatures 2->38 6 New_PO-N3100.exe 3 2->6         started        10 Sentinel10.exe 3 2->10         started        12 Sentinel10.exe 2 2->12         started        process3 file4 26 C:\Users\user\...26ew_PO-N3100.exe.log, ASCII 6->26 dropped 40 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->40 42 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->42 44 Contains functionality to register a low level keyboard hook 6->44 14 New_PO-N3100.exe 2 5 6->14         started        18 New_PO-N3100.exe 6->18         started        20 New_PO-N3100.exe 6->20         started        46 Multi AV Scanner detection for dropped file 10->46 22 Sentinel10.exe 2 10->22         started        24 Sentinel10.exe 12->24         started        signatures5 process6 file7 28 C:\Users\user\AppData\...\Sentinel10.exe, PE32 14->28 dropped 30 C:\Users\...\Sentinel10.exe:Zone.Identifier, ASCII 14->30 dropped 48 Tries to steal Mail credentials (via file access) 14->48 50 Tries to harvest and steal browser information (history, passwords, etc) 14->50 52 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->52 54 Installs a global keyboard hook 14->54 signatures8
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-05-25 07:22:35 UTC
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
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 SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot1809275429:AAFm4oLtEW1HV5nKwrfg5bFLjVGPPnM4B2E/sendDocument
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:Ping_Del_method_bin_mem
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Telegram_Exfiltration_Via_Api
Author:lsepaolo
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


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

Comments