MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 440205835b514c06fe76b80864d87f92e987a6dc1e46e57ceccda75bdaa7eff3. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 440205835b514c06fe76b80864d87f92e987a6dc1e46e57ceccda75bdaa7eff3
SHA3-384 hash: a90894efa0ff9abf34c19f09dffc5d72befe0c0fc9f3c04f1b6a6188809e196951f6576c72ad4cda0bbb72a9bdd2bf0f
SHA1 hash: ac192381c67ca5d43baa70c74ae9f47b3be52a78
MD5 hash: d39be521d865df3ab5f3142e22427167
humanhash: magnesium-jersey-stream-romeo
File name:d39be521d865df3ab5f3142e22427167.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:625'152 bytes
First seen:2020-10-12 18:54:12 UTC
Last seen:2020-10-12 18:58:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:OIF8N7s1RWnYUfhSFa84g4Wnz6DDp3EEDJUfPUps0J/NUop0qJJvUjdgnu:OIF8NmRXdFavo+DDFlGfp0FNUop0qzv4
TLSH 15D4128C57ACD315C3BF517EB4316A4863B8E54378A1EB9D7A48C0D87B877894C13AA3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.arval.com.pe:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
113
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/70173/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.2969.24992.2029.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/488814
Signature
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Found malware configuration
Installs a global keyboard hook
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
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 296849 Sample: lyMVuQg0Ra.exe Startdate: 12/10/2020 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Antivirus / Scanner detection for submitted sample 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 5 other signatures 2->39 7 lyMVuQg0Ra.exe 1 2->7         started        process3 signatures4 41 Writes to foreign memory regions 7->41 43 Maps a DLL or memory area into another process 7->43 10 lyMVuQg0Ra.exe 7->10         started        13 RegAsm.exe 2 7->13         started        process5 signatures6 45 Writes to foreign memory regions 10->45 47 Maps a DLL or memory area into another process 10->47 15 RegAsm.exe 15 6 10->15         started        49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->49 51 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 13->51 process7 dnsIp8 19 mail.arval.com.pe 192.185.93.21, 49746, 49747, 587 UNIFIEDLAYER-AS-1US United States 15->19 21 elb097307-934924932.us-east-1.elb.amazonaws.com 184.73.247.141, 443, 49745 AMAZON-AESUS United States 15->21 23 2 other IPs or domains 15->23 25 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->25 27 Tries to steal Mail credentials (via file access) 15->27 29 Tries to harvest and steal ftp login credentials 15->29 31 2 other signatures 15->31 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/440205835b514c06fe76b80864d87f92e987a6dc1e46e57ceccda75bdaa7eff3/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2020-10-12 16:08:13 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=iqbala23kfgan7twxaegjwd7sluypjw4dzdok7hmzwtvxwvh57zq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:agenttesla
Link:
https://tria.ge/reports/201012-e6atg27cz2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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:
440205835b514c06fe76b80864d87f92e987a6dc1e46e57ceccda75bdaa7eff3
MD5 hash:
d39be521d865df3ab5f3142e22427167
SHA1 hash:
ac192381c67ca5d43baa70c74ae9f47b3be52a78
Link:
https://www.unpac.me/results/61694bb8-cd54-4c31-b589-44da8922f188/
SH256 hash:
7fba0dfd8fa617031e77cf7ac187a48e48270d3660345560896d520f997a0152
MD5 hash:
e10db10f41cf9611d018b2cf8af0a060
SHA1 hash:
257239c7261512cbd79a651e6c185569bc6009ad
Link:
https://www.unpac.me/results/61694bb8-cd54-4c31-b589-44da8922f188/
SH256 hash:
9e62936c784da81908d945522d2beb45e3aa30c13d5c85e978ef830a99a034b6
MD5 hash:
bd354e2f5f9f9e76d5fa20ea5e6008b3
SHA1 hash:
ba17a28251ca0172bee12e41f7f07ff4caf5b9c2
Link:
https://www.unpac.me/results/61694bb8-cd54-4c31-b589-44da8922f188/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/440205835b514c06fe76b80864d87f92e987a6dc1e46e57ceccda75bdaa7eff3

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
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:win_agent_tesla_v1
Create hunting rule
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 440205835b514c06fe76b80864d87f92e987a6dc1e46e57ceccda75bdaa7eff3

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/70173/
  
URLhaus
https://urlhaus.abuse.ch/url/684117/
  
Delivery method
Distributed via web download

Comments