MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 587cf31e6e23f0a2a06799111f1c0381f2d29187ab59cfee2f314cb6ae6ed349. 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 2 File information Comments

SHA256 hash: 587cf31e6e23f0a2a06799111f1c0381f2d29187ab59cfee2f314cb6ae6ed349
SHA3-384 hash: 1e0bf99749bd26d4a3a6586cd601f9c81fc76a0331938a6ec406103d60d7d0b39fcd135a3bd8fcf3398c850ca34eb655
SHA1 hash: be4c24af7211a4bb45710ddc166793d5a7883a97
MD5 hash: 197e9cdd9d3828b836a72dffc36ee9d6
humanhash: summer-solar-uncle-sad
File name:order SS21-031 - A30.exe
Download: download sample
Signature AgentTesla
File size:1'231'360 bytes
First seen:2020-11-13 01:40:37 UTC
Last seen:2024-07-24 14:38:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:T8kJ+t8LF+3Z9M3gpaMya4BMFGPEhtHMfeQfmuC2jZtpqzce5pZT5:o868S045yXBChweQeuC2j9m7
Threatray 1'159 similar samples on MalwareBazaar
TLSH F6454AF12654EB07E344BAF4D060E2B98F749EE7566AC1032DE57ACBF03A7B04919532
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
5
# of downloads :
158
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Gathering data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
May check the online IP address of the machine
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: 315786 Sample: order SS21-031 - A30.exe Startdate: 13/11/2020 Architecture: WINDOWS Score: 100 57 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->57 59 Found malware configuration 2->59 61 Multi AV Scanner detection for dropped file 2->61 63 9 other signatures 2->63 7 order SS21-031 - A30.exe 6 2->7         started        10 bqhrQ.exe 2 2->10         started        12 bqhrQ.exe 1 2->12         started        process3 file4 29 C:\Users\user\AppData\Roaming\XBSGlI.exe, PE32 7->29 dropped 31 C:\Users\user\AppData\Local\...\tmpA954.tmp, XML 7->31 dropped 33 C:\Users\...\order SS21-031 - A30.exe.log, ASCII 7->33 dropped 14 RegSvcs.exe 17 4 7->14         started        19 RegSvcs.exe 7->19         started        21 schtasks.exe 1 7->21         started        23 conhost.exe 10->23         started        25 conhost.exe 12->25         started        process5 dnsIp6 39 mail.ratllc.ae 162.241.253.123, 49742, 587 UNIFIEDLAYER-AS-1US United States 14->39 41 elb097307-934924932.us-east-1.elb.amazonaws.com 54.235.182.194, 443, 49741 AMAZON-AESUS United States 14->41 43 2 other IPs or domains 14->43 35 C:\Users\user\AppData\Roaming\...\bqhrQ.exe, PE32 14->35 dropped 37 C:\Windows\System32\drivers\etc\hosts, ASCII 14->37 dropped 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->45 47 Tries to steal Mail credentials (via file access) 14->47 49 Tries to harvest and steal ftp login credentials 14->49 55 3 other signatures 14->55 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->51 53 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 19->53 27 conhost.exe 21->27         started        file7 signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.NanoBot
Status:
Malicious
First seen:
2020-11-12 04:36:49 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
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
Drops file in Drivers directory
AgentTesla
Unpacked files
SH256 hash:
587cf31e6e23f0a2a06799111f1c0381f2d29187ab59cfee2f314cb6ae6ed349
MD5 hash:
197e9cdd9d3828b836a72dffc36ee9d6
SHA1 hash:
be4c24af7211a4bb45710ddc166793d5a7883a97
SH256 hash:
bb5140e53a00ef4292a4bc6e184facf7bd35032fa1a744f9dbd4079269e76989
MD5 hash:
8d1a6d2b6da29b792f9f1d8ae1559e57
SHA1 hash:
8b5160817394ceb0b2c7eaccbca9bcf3b4c4a0eb
SH256 hash:
cb951f1d2b5460456aad0d89cef1216d9be5e51784d11a92447d43e96177bd5e
MD5 hash:
8cd5d2014866f4ef60802ff1826998a6
SHA1 hash:
8ff75946905d0b117080cc5a07e6e0bbea4e9bbd
SH256 hash:
a3dc28aca4d0ebaf9aa0ba016e9dfb341197201a661de45e686b1c24b542799f
MD5 hash:
f9eee91e451e5a02f428a40597a35528
SHA1 hash:
e597d91186933e716429e3f06a8c203d08a10761
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.

Malspam

AgentTesla

Executable exe 587cf31e6e23f0a2a06799111f1c0381f2d29187ab59cfee2f314cb6ae6ed349

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

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