MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 481eb3a6cfb2cb016750037caadbdf70a403e817e4ce23faaaee9c19b1dfadc5. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 481eb3a6cfb2cb016750037caadbdf70a403e817e4ce23faaaee9c19b1dfadc5
SHA3-384 hash: 2458946d88e77deb8ff275e715d200ee46f0a43debc1e7a0fce3a3ea166087188507dd89c71eeeb912f78147c5e408c4
SHA1 hash: 0bf4e222d6e062ec73e03688d7d07ef9edacdf58
MD5 hash: f1f19b4e395db78cb722df1cfe893326
humanhash: white-music-papa-sink
File name:PO_31000124.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'129'984 bytes
First seen:2021-05-18 12:39:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:hbK4zKZrQAs1o0v12lx4MOYWo5VgKztqyiuL45fGghM9+ar3A:AOKhQAsjUlGHo5ztrFL4cgI+arw
Threatray 5'014 similar samples on MalwareBazaar
TLSH EE35D0423748369EE53E57B1A0A2427023F1AD7ADF82D17E795EF13C0EB23132A47959
Reporter info_sec_ca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
139
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO_31000124.exe
Verdict:
Malicious activity
Analysis date:
2021-05-18 12:41:02 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1f880a0f-74ee-4855-8ed5-06a863d5595c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/158031/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.747-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
UNKNOWN
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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/784024
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
Found malware configuration
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
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)
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 AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 416420 Sample: PO_31000124.exe Startdate: 18/05/2021 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Multi AV Scanner detection for dropped file 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 7 other signatures 2->37 7 PO_31000124.exe 7 2->7         started        process3 file4 21 C:\Users\user\AppData\...\umfuWgarEVzxIc.exe, PE32 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmpD6DC.tmp, XML 7->23 dropped 25 C:\Users\user\AppData\...\PO_31000124.exe.log, ASCII 7->25 dropped 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->39 41 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->41 43 Uses schtasks.exe or at.exe to add and modify task schedules 7->43 11 PO_31000124.exe 6 7->11         started        15 schtasks.exe 1 7->15         started        17 PO_31000124.exe 7->17         started        signatures5 process6 dnsIp7 27 smtp.yandex.ru 77.88.21.158, 49741, 49742, 587 YANDEXRU Russian Federation 11->27 29 smtp.yandex.com 11->29 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->45 47 Tries to steal Mail credentials (via file access) 11->47 49 Tries to harvest and steal ftp login credentials 11->49 51 2 other signatures 11->51 19 conhost.exe 15->19         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/481eb3a6cfb2cb016750037caadbdf70a403e817e4ce23faaaee9c19b1dfadc5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-05-18 05:43:02 UTC
AV detection:
19 of 47 (40.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=japlhjwpwlfqcz2qan6kvw67ocsah2ax4thch6vk52obtmo7vxcq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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8d5fff2b46e7cf8b1a17ac941369059a2ce2acae2ac2eb0ac01d4f0211f401c9
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8ebddcfe92d7be23619825f320778078994a38906d39019e459a62677897904e
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b714cbb843e89f21a45b8ee44e91196f28c9c4c08228e2a3e827869db136a6dd
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c3b7ac21ecc532e1671d4b3524cb963ad0dbd458f151995273c1d5db4c34f47a
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dff3072b3ea6788224f19795979eeb55d9e972cf7762cc9fda1c522369dce603
AgentTesla
+ 5'004 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210518-dks8yd5fta/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
AgentTesla Payload
AgentTesla
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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/158031/

Comments