MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3266cc6c2a2fc1f64000b1ca849da565470cf2bf119fbe377e7ad5234756dba5. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments

SHA256 hash: 3266cc6c2a2fc1f64000b1ca849da565470cf2bf119fbe377e7ad5234756dba5
SHA3-384 hash: 9c13b4ca10daa3a1f0cdff2fe79c99d94f4e01e1969283d29ae872a762011515b55a5cb5be18543bb6107123a11d8271
SHA1 hash: 00ad1e657d4667f4a22c6700179efa52e5f45a8f
MD5 hash: 314eb0113601fe569d66767cb3a89f14
humanhash: single-twelve-alabama-nitrogen
File name:INV.0011040.2022.Img.exe
Download: download sample
Signature AgentTesla
File size:294'400 bytes
First seen:2022-03-23 11:26:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:LRWvKrEGZIVCB1PlT0ZWdFfYVBgeG7SQcut3wk:L9EGZIw4ZoFsy7
Threatray 15'881 similar samples on MalwareBazaar
TLSH T10354E011E58AD4D6E038B47F98BF9760022BAC319A41C1A7239C7FEE69F71A54E13335
File icon (PE):PE icon
dhash icon 61d4b2a696cc71b2 (6 x AgentTesla, 2 x Formbook)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed wacatac
Result
Verdict:
SUSPICIOUS
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
.NET source code contains very large array initializations
Creates an undocumented autostart registry key
Drops executable to a common third party application directory
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ping.exe to check the status of other devices and networks
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected MSILDownloaderGeneric
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 595930 Sample: INV.0011040.2022.Img.exe Startdate: 24/03/2022 Architecture: WINDOWS Score: 100 42 mail.zealaqua.com 2->42 50 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 8 other signatures 2->56 8 INV.0011040.2022.Img.exe 15 7 2->8         started        signatures3 process4 dnsIp5 46 cdn.discordapp.com 162.159.134.233, 443, 49757 CLOUDFLARENETUS United States 8->46 48 192.168.2.1 unknown unknown 8->48 32 C:\Users\user\AppData\Roaming\...\ico.exe, PE32 8->32 dropped 34 C:\Users\...\INV.0011040.2022.Img.exe.log, ASCII 8->34 dropped 58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->58 60 Creates an undocumented autostart registry key 8->60 62 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->62 64 2 other signatures 8->64 13 INV.0011040.2022.Img.exe 2 5 8->13         started        17 cmd.exe 1 8->17         started        19 cmd.exe 1 8->19         started        file6 signatures7 process8 file9 36 C:\Users\user\AppData\Roaming\...\kECjS.exe, PE32 13->36 dropped 38 C:\Windows\System32\drivers\etc\hosts, ASCII 13->38 dropped 40 C:\Users\user\...\kECjS.exe:Zone.Identifier, ASCII 13->40 dropped 66 Modifies the hosts file 13->66 68 Hides that the sample has been downloaded from the Internet (zone.identifier) 13->68 70 Uses ping.exe to check the status of other devices and networks 17->70 21 PING.EXE 1 17->21         started        24 conhost.exe 17->24         started        26 timeout.exe 1 17->26         started        28 conhost.exe 19->28         started        30 timeout.exe 1 19->30         started        signatures10 process11 dnsIp12 44 google.com 172.217.168.14 GOOGLEUS United States 21->44
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-23 11:27:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
30
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Delays execution with timeout.exe
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
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
Adds Run key to start application
Checks computer location settings
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
Unpacked files
SH256 hash:
3266cc6c2a2fc1f64000b1ca849da565470cf2bf119fbe377e7ad5234756dba5
MD5 hash:
314eb0113601fe569d66767cb3a89f14
SHA1 hash:
00ad1e657d4667f4a22c6700179efa52e5f45a8f
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:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Discord_Attachments_URL
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information


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

Malspam

AgentTesla

Executable exe 3266cc6c2a2fc1f64000b1ca849da565470cf2bf119fbe377e7ad5234756dba5

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments