MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c44381c0b9533d872ba63fce0a072fed6c5b3fc590930c0ea3a248db5e8d487b. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash: c44381c0b9533d872ba63fce0a072fed6c5b3fc590930c0ea3a248db5e8d487b
SHA3-384 hash: 63b1a895b41be54fdef65551dfca843d2d36d537e00c6ab0e7566f55213e8bae1ff093475bdf505b224c4514557a5cb4
SHA1 hash: db43ef1766cc06f2c01d6c7c2eafa5c747d1f975
MD5 hash: 8cb3bab3b1b82e95a50f11bc53d364c8
humanhash: music-princess-social-king
File name:8cb3bab3b1b82e95a50f11bc53d364c8.exe
Download: download sample
Signature AgentTesla
File size:589'824 bytes
First seen:2020-11-19 09:26:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:mWYLWW3JEXNLJUwDRN+smGrt4UStwdFjdVT:mWM6resmGrt1SsFjd
Threatray 1'402 similar samples on MalwareBazaar
TLSH 47C422410348C6BECBAA16F494345C9C06FA72F67022CFE8BDCC85FB376AB665494635
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
149
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Sending a UDP request
Forced shutdown of a system process
Unauthorized injection to a system process
Result
Verdict:
MALICIOUS
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.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Machine Learning detection for sample
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 320411 Sample: 15egpuWfT3.exe Startdate: 19/11/2020 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->35 37 Found malware configuration 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 4 other signatures 2->41 7 15egpuWfT3.exe 1 2->7         started        process3 signatures4 43 Writes to foreign memory regions 7->43 45 Maps a DLL or memory area into another process 7->45 10 15egpuWfT3.exe 7->10         started        13 RegAsm.exe 2 7->13         started        process5 signatures6 47 Writes to foreign memory regions 10->47 49 Maps a DLL or memory area into another process 10->49 15 RegAsm.exe 15 2 10->15         started        19 RegAsm.exe 10->19         started        51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->51 53 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 13->53 process7 dnsIp8 21 us2.smtp.mailhostbox.com 208.91.199.224, 49734, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->21 23 elb097307-934924932.us-east-1.elb.amazonaws.com 23.21.252.4, 443, 49733 AMAZON-AESUS United States 15->23 25 2 other IPs or domains 15->25 27 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->27 29 Tries to steal Mail credentials (via file access) 15->29 31 Tries to harvest and steal ftp login credentials 15->31 33 Tries to harvest and steal browser information (history, passwords, etc) 15->33 signatures9
Threat name:
ByteCode-MSIL.Trojan.Krypil
Status:
Malicious
First seen:
2020-11-18 13:10:36 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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:
c44381c0b9533d872ba63fce0a072fed6c5b3fc590930c0ea3a248db5e8d487b
MD5 hash:
8cb3bab3b1b82e95a50f11bc53d364c8
SHA1 hash:
db43ef1766cc06f2c01d6c7c2eafa5c747d1f975
SH256 hash:
2b60c690e265e01e076811f95899f4557177a458ed639a4d32624984f9eaa233
MD5 hash:
f910c40b29660bc6706a5597b60e054a
SHA1 hash:
d7692819947ea6bdd28b3c3565fd2ff91f749fe3
SH256 hash:
0cf91d4b75b89014e1947ec7d085027eb3657b9f49466b7f90dced700a4b9380
MD5 hash:
04c438205ea460e0278ff57468cd6a77
SHA1 hash:
f144f530373a780c6c13db5d0c19fcb19a090b04
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 c44381c0b9533d872ba63fce0a072fed6c5b3fc590930c0ea3a248db5e8d487b

(this sample)

  
Delivery method
Distributed via web download

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