MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b441e0dcb24fc0f0d27ac8e1d1b029eb21a3e2d4540d57ddc729d4c8a6903231. 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 3 File information Comments

SHA256 hash: b441e0dcb24fc0f0d27ac8e1d1b029eb21a3e2d4540d57ddc729d4c8a6903231
SHA3-384 hash: 59010a10bb0f090aed411477494d9bfc5ec11dcbc56bd910c0a14dfc7c5e8b31f30ddd2925c70787c5b504cf90c7aa6b
SHA1 hash: 782022284c212ea09acf8bc85e75aa2d90f340c9
MD5 hash: 6cc3c11ee1a399d9b36608b61c8660c4
humanhash: alpha-carpet-island-sink
File name:INV&PL_pdf.exe
Download: download sample
Signature AgentTesla
File size:800'768 bytes
First seen:2020-07-30 10:26:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9049d2d9e4b4ee0c20616207952aadc3 (6 x AgentTesla, 2 x NanoCore, 2 x Loki)
ssdeep 12288:XmHWniVDj9UfMWyW3P5eizRP6wP1HUzCERbsyJvx/WzLDekmwpz6ub6tTiOQ:XliPUEY5ei97FU/bZWzLSkd6ub1
Threatray 11'980 similar samples on MalwareBazaar
TLSH BC05AE22A2D04833D167173C9CDB5764A93EBE102B279A476BE51DCC4F39681F83E297
Reporter jarumlus
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
1
# of downloads :
66
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Reading critical registry keys
Launching the process to change network settings
Stealing user critical data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Maps a DLL or memory area into another process
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Sigma detected: Capture Wi-Fi password
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 harvest and steal WLAN passwords
Tries to steal Mail credentials (via file access)
Uses netsh to modify the Windows network and firewall settings
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.DataStealer
Status:
Malicious
First seen:
2020-07-30 09:38:46 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
upx persistence spyware keylogger trojan stealer family:agenttesla
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Modifies service
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP clients
UPX packed file
AgentTesla
Malware family:
AgentTesla.v2
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: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 b441e0dcb24fc0f0d27ac8e1d1b029eb21a3e2d4540d57ddc729d4c8a6903231

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

Comments