MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f40c09b663d4e544cd611c361ca19732f325cbb4310e0f671aa3dffb975eba4. 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


Intelligence File information Yara 3 Comments

SHA256 hash: 5f40c09b663d4e544cd611c361ca19732f325cbb4310e0f671aa3dffb975eba4
SHA3-384 hash: 44bf8e36b9258fac0aa3e9cfe3f323b8ff9dfc2b89e678876dc4891e856c277bd319f67fd7a9aa976e61b53ab7c2dcbb
SHA1 hash: 72198172e29d4c0eb81888397dcae546578ed3d2
MD5 hash: 4c30879733bee6a617162ac01c72e99f
humanhash: angel-michigan-salami-nevada
File name:PURCHASE ORDER.exe
Download: download sample
Signature AgentTesla
File size:461'312 bytes
First seen:2020-07-31 13:24:10 UTC
Last seen:2020-07-31 13:57:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744
ssdeep 12288:mKF8MwoT8JbPfNuz6U96ys34xJUCv3RTcHngjCQ7Jwf:mKFPwoonUy4xJUwBEnMCgJ
TLSH 9AA4DF5DB0DA251AF41631BE9FF8819BCEA6E46F1683412B227520D7807DB4C6EC1F72
Reporter @abuse_ch
Tags:AgentTesla exe


Twitter
@abuse_ch
AgentTesla SMTP exfil server:
mail.nilgirisfoods.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
39
Origin country :
US US
Mail intelligence
No data
Vendor Threat Intelligence
Gathering data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
92 / 100
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Executable has a suspicious name (potential lure to open the executable)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-31 13:26:07 UTC
AV detection:
22 of 31 (70.97%)
Threat level
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer trojan spyware family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads user/profile data of local email clients
AgentTesla Payload
AgentTesla
Threat name:
Suspicious File
Score:
0.45

Yara Signatures


Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information


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

Malspam

AgentTesla

Executable exe 5f40c09b663d4e544cd611c361ca19732f325cbb4310e0f671aa3dffb975eba4

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments