MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa2ac809e89f4dc6341bf07d2c905d0536154a0eb775fcfd0b6b972de73a9f0d. 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: 7


Intelligence 7 IOCs YARA File information Comments

SHA256 hash: aa2ac809e89f4dc6341bf07d2c905d0536154a0eb775fcfd0b6b972de73a9f0d
SHA3-384 hash: e0ae8653f7ed42fb4e3b971984dd3ec99dd13752763fe0e7802494a330fa699777425ca79875064d478409af2ebbff74
SHA1 hash: 7b49e92fd5f0b750783007c9404672b50544dc4f
MD5 hash: 8311081ebc46d2c325116a7fb71c4457
humanhash: rugby-fish-one-muppet
File name:IMG62790-KGY pdf.exe
Download: download sample
Signature AgentTesla
File size:625'152 bytes
First seen:2020-09-21 15:01:09 UTC
Last seen:2020-09-22 04:13:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'664 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Dx++rbEIp0xI22SaEvrg7aelH+8qNIOAGJNELSUu6vs7ND:dRr5p0xIybk+elHLQJ2S3ZD
Threatray 115 similar samples on MalwareBazaar
TLSH D1D4AD1831657E9BC6AA0BF40A05B5B2C3F600916B62D3D43F8321FE9AE67D03D5674B
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
100
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Enabling autorun by creating a file
Changing the hosts file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Sigma detected: Scheduled temp file as task from temp location
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)
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 288131 Sample: IMG62790-KGY pdf.exe Startdate: 21/09/2020 Architecture: WINDOWS Score: 100 72 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->72 74 Found malware configuration 2->74 76 Multi AV Scanner detection for dropped file 2->76 78 12 other signatures 2->78 7 IMG62790-KGY pdf.exe 4 2->7         started        11 WCPCe.exe 2->11         started        13 WCPCe.exe 3 2->13         started        process3 file4 46 C:\Users\user\AppData\Roaming\dAyFyD.exe, PE32 7->46 dropped 48 C:\Users\user\AppData\Local\...\tmp3D2E.tmp, XML 7->48 dropped 50 C:\Users\user\...\IMG62790-KGY pdf.exe.log, ASCII 7->50 dropped 80 Injects a PE file into a foreign processes 7->80 15 IMG62790-KGY pdf.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        22 WCPCe.exe 11->22         started        24 schtasks.exe 11->24         started        82 Multi AV Scanner detection for dropped file 13->82 84 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->84 86 Machine Learning detection for dropped file 13->86 88 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 13->88 26 schtasks.exe 1 13->26         started        28 WCPCe.exe 2 13->28         started        30 WCPCe.exe 13->30         started        32 WCPCe.exe 13->32         started        signatures5 process6 dnsIp7 52 davaobay.com.ph 173.231.198.30, 49707, 49712, 587 IMH-WESTUS United States 15->52 54 mail.davaobay.com.ph 15->54 56 192.168.2.1 unknown unknown 15->56 40 C:\Users\user\AppData\Local\...\WCPCe.exe, PE32 15->40 dropped 42 C:\Windows\System32\drivers\etc\hosts, ASCII 15->42 dropped 44 C:\Users\user\...\WCPCe.exe:Zone.Identifier, ASCII 15->44 dropped 60 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->60 62 Tries to steal Mail credentials (via file access) 15->62 64 Modifies the hosts file 15->64 66 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->66 34 conhost.exe 20->34         started        58 mail.davaobay.com.ph 22->58 68 Tries to harvest and steal ftp login credentials 22->68 70 Tries to harvest and steal browser information (history, passwords, etc) 22->70 36 conhost.exe 24->36         started        38 conhost.exe 26->38         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-09-21 11:06:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
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
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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
Please note that we are no longer able to provide a coverage score for Virus Total.

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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