MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 527595925cba49d29a946fe1e13ad8651c2c220809714e3882929aa369969ba5. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: 527595925cba49d29a946fe1e13ad8651c2c220809714e3882929aa369969ba5
SHA3-384 hash: d00618bfe68c076ac159003fad149e01dd960d5ba864826c03e41047b7febe5d7a06089a7910e98a251e60f7f246f04a
SHA1 hash: 03780381c64efee6c4e1d97cc35fd70cf1d05fc9
MD5 hash: 53c28870848738862d299474aea20b16
humanhash: high-undress-berlin-uranus
File name:Invoice payment confirmation.exe
Download: download sample
Signature AgentTesla
File size:1'043'968 bytes
First seen:2021-01-08 08:41:07 UTC
Last seen:2021-01-08 10:43:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:TjJ1sy1UDOmvGwHShUBjFcPBmSoPHEwGG/XP:TjJ1syjGyhU/lExG//
Threatray 2'102 similar samples on MalwareBazaar
TLSH 6F257953627CDAE6F96C7EB51114975013B02D062536E24BCD8F7CE9E877B43CA20ACA
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
185
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice payment confirmation.exe
Verdict:
Malicious activity
Analysis date:
2021-01-08 08:46:58 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling the 'hidden' option for files in the %temp% directory
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
C2 URLs / IPs found in malware configuration
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
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped 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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 337305 Sample: Invoice payment confirmation.exe Startdate: 08/01/2021 Architecture: WINDOWS Score: 100 64 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->64 66 Found malware configuration 2->66 68 Multi AV Scanner detection for dropped file 2->68 70 12 other signatures 2->70 7 vmhqWYS.exe 5 2->7         started        10 Invoice payment confirmation.exe 6 2->10         started        13 vmhqWYS.exe 2->13         started        process3 file4 72 Multi AV Scanner detection for dropped file 7->72 74 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->74 76 Machine Learning detection for dropped file 7->76 78 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->78 15 vmhqWYS.exe 14 2 7->15         started        19 schtasks.exe 1 7->19         started        34 C:\Users\user\AppData\Roaming\IvqtBz.exe, PE32 10->34 dropped 36 C:\Users\user\AppData\Local\...\tmpF5C8.tmp, XML 10->36 dropped 38 C:\...\Invoice payment confirmation.exe.log, ASCII 10->38 dropped 80 Injects a PE file into a foreign processes 10->80 21 Invoice payment confirmation.exe 17 5 10->21         started        24 schtasks.exe 1 10->24         started        signatures5 process6 dnsIp7 40 54.235.142.93, 443, 49773 AMAZON-AESUS United States 15->40 42 nagano-19599.herokussl.com 15->42 44 api.ipify.org 15->44 52 Tries to harvest and steal ftp login credentials 15->52 54 Tries to harvest and steal browser information (history, passwords, etc) 15->54 56 Installs a global keyboard hook 15->56 26 conhost.exe 19->26         started        46 mail.naijajob.net 162.0.232.208, 49772, 49774, 587 NAMECHEAP-NETUS Canada 21->46 48 elb097307-934924932.us-east-1.elb.amazonaws.com 54.221.253.252, 443, 49769 AMAZON-AESUS United States 21->48 50 2 other IPs or domains 21->50 30 C:\Users\user\AppData\Local\...\vmhqWYS.exe, PE32 21->30 dropped 32 C:\Users\user\...\vmhqWYS.exe:Zone.Identifier, ASCII 21->32 dropped 58 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->58 60 Tries to steal Mail credentials (via file access) 21->60 62 Hides that the sample has been downloaded from the Internet (zone.identifier) 21->62 28 conhost.exe 24->28         started        file8 signatures9 process10
Threat name:
Win32.Spyware.Noon
Status:
Malicious
First seen:
2021-01-08 08:42:07 UTC
AV detection:
6 of 46 (13.04%)
Threat level:
  2/5
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 SetWindowsHookEx
Suspicious use of WriteProcessMemory
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
AgentTesla
Unpacked files
SH256 hash:
527595925cba49d29a946fe1e13ad8651c2c220809714e3882929aa369969ba5
MD5 hash:
53c28870848738862d299474aea20b16
SHA1 hash:
03780381c64efee6c4e1d97cc35fd70cf1d05fc9
SH256 hash:
c9dd75344692d3f451b55a29c47a73599688b42cba89a568fd43a5dee149885f
MD5 hash:
75e18be908cc0fb4b8a8ceba1d456279
SHA1 hash:
31b6f876576e7e16e0244ae0374ff07698e1f9ef
SH256 hash:
7ae84d5278bb6c3cde3f4e60f30d4c1f9397ebca70ea5099e1dd2ebb80dac42e
MD5 hash:
d5f05c39f715398d1a7251f12c14b9fc
SHA1 hash:
4b42bed18534be9278970b0239d8dd50880200ef
SH256 hash:
64a419709ad219ffc006bda776b650da486d55048d2fa34525f40227da0e5c86
MD5 hash:
88c0ec8398978fa2e4240f02765086ad
SHA1 hash:
5a5c4935b2d70e890c89ad9332365f4f4aa86f3c
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:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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 527595925cba49d29a946fe1e13ad8651c2c220809714e3882929aa369969ba5

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments