MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a394155e8d2a15fa55c36e9b679cb922fc07b598c207564434fc8c80ee046503. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: a394155e8d2a15fa55c36e9b679cb922fc07b598c207564434fc8c80ee046503
SHA3-384 hash: b3e89cd7f9de1ed58723f653953f5f65b677e9c3d12d3e3c043f6b8a7cb0314a2d27560a97993792f0b68ddce7de4c5e
SHA1 hash: 6323bb2707ad393cc3c0a415abc3ad7073b9252e
MD5 hash: 2a27313b3c7278c5e9b351a62447a108
humanhash: don-alaska-alabama-fix
File name:SecuriteInfo.com.Trojan.Packed2.42610.1677.16322
Download: download sample
Signature AgentTesla
File size:780'288 bytes
First seen:2020-10-01 23:36:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:XlYKLbvucCIIM/56MHGx6neDM2nTOT5bT/HySEd09c:VYKPnIM/55HxZ+TOT5f/H8dH
Threatray 246 similar samples on MalwareBazaar
TLSH 84F4E0A83B794924CF968B781162CA14633C110FA77FCF5D3A9BAC5CE8D23970A51397
Reporter SecuriteInfoCom
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
1
# of downloads :
98
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file
Launching a process
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
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
Sigma detected: RegAsm connects to smtp port
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 access)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 292365 Sample: SecuriteInfo.com.Trojan.Pac... Startdate: 02/10/2020 Architecture: WINDOWS Score: 100 41 Found malware configuration 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Sigma detected: RegAsm connects to smtp port 2->45 47 2 other signatures 2->47 6 SecuriteInfo.com.Trojan.Packed2.42610.1677.exe 1 2->6         started        10 YYtJku.exe 2 2->10         started        12 YYtJku.exe 1 2->12         started        process3 file4 23 SecuriteInfo.com.T....42610.1677.exe.log, ASCII 6->23 dropped 49 Writes to foreign memory regions 6->49 51 Maps a DLL or memory area into another process 6->51 14 RegAsm.exe 17 4 6->14         started        19 conhost.exe 10->19         started        21 conhost.exe 12->21         started        signatures5 process6 dnsIp7 27 us2.smtp.mailhostbox.com 208.91.199.223, 49764, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->27 29 elb097307-934924932.us-east-1.elb.amazonaws.com 54.225.169.28, 443, 49763 AMAZON-AESUS United States 14->29 31 3 other IPs or domains 14->31 25 C:\Users\user\AppData\Roaming\...\YYtJku.exe, PE32 14->25 dropped 33 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->33 35 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->35 37 Tries to steal Mail credentials (via file access) 14->37 39 4 other signatures 14->39 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.Ymacco
Status:
Malicious
First seen:
2020-10-01 17:02:43 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
a394155e8d2a15fa55c36e9b679cb922fc07b598c207564434fc8c80ee046503
MD5 hash:
2a27313b3c7278c5e9b351a62447a108
SHA1 hash:
6323bb2707ad393cc3c0a415abc3ad7073b9252e
SH256 hash:
4df468cbed889895c6b450bddfee2a6e78ec47b0ecc3b1a18a702e0a521c2680
MD5 hash:
daae82a7e72fbbdb59d47da1d2748ef2
SHA1 hash:
164cb2f178eca10b3ed60841df11b8b0764986c2
SH256 hash:
e2c158f1abd8645a45da4a0f5df5c6256ebd56100974282e97b8a99f9c04aa6c
MD5 hash:
959b6a8aba7ee0088e366ff716b7f3ad
SHA1 hash:
29b3e8ff24f7f1be005fc015d8fef7d704e65999
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: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.

Web download

AgentTesla

Executable exe a394155e8d2a15fa55c36e9b679cb922fc07b598c207564434fc8c80ee046503

(this sample)

  
Delivery method
Distributed via web download

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