MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b791f9ada5f7bab5e26ab2227b0f615afe2135362e53149ae13df99af3072fd1. 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: b791f9ada5f7bab5e26ab2227b0f615afe2135362e53149ae13df99af3072fd1
SHA3-384 hash: ccc2df61f3caf44b4660ce9fd40ed23b65f0946481224cc7cb2372a8996464bf34fd92c89bcf3b53b4cf9805f90a0e11
SHA1 hash: e9844d8415f1148eb2926b98917977b781801ed2
MD5 hash: 2b5748f93c617c351cec0dbb22e35b30
humanhash: dakota-grey-dakota-quebec
File name:P0900779.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:951'808 bytes
First seen:2021-05-11 10:29:05 UTC
Last seen:2021-05-11 11:06:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'477 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:XQ5iV5PwzbeLUiHmpEIEM5IWNyBP2WI9PJb2f5ykmalUG/cA+Cw0Y9xds4i1iBO3:AjgUEmGIpVNyBuWIf+maeUcA+CAMiq
Threatray 5'152 similar samples on MalwareBazaar
TLSH 2D15F1223368AFA0E5BD477BC864594083FAED03EB22D55E7DE970DD49A0FD02672603
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
130
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/155021/
Detection(s):
SecuriteInfo.com.Scr.Malcodegdn30.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/778577
Signature
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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: 410973 Sample: P0900779.exe Startdate: 11/05/2021 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 6 other signatures 2->37 7 P0900779.exe 7 2->7         started        process3 file4 21 C:\Users\user\AppData\...\PKwdextlWDbZq.exe, PE32 7->21 dropped 23 C:\...\PKwdextlWDbZq.exe:Zone.Identifier, ASCII 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmp5853.tmp, XML 7->25 dropped 27 C:\Users\user\AppData\...\P0900779.exe.log, ASCII 7->27 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 45 2 other signatures 7->45 11 P0900779.exe 8 7->11         started        15 schtasks.exe 1 7->15         started        17 P0900779.exe 7->17         started        signatures5 process6 dnsIp7 29 smtp.1and1.com 74.208.5.2, 49732, 49733, 587 ONEANDONE-ASBrauerstrasse48DE United States 11->29 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->47 49 Tries to steal Mail credentials (via file access) 11->49 51 Tries to harvest and steal ftp login credentials 11->51 53 Tries to harvest and steal browser information (history, passwords, etc) 11->53 19 conhost.exe 15->19         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b791f9ada5f7bab5e26ab2227b0f615afe2135362e53149ae13df99af3072fd1/
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2021-05-11 10:29:16 UTC
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w6i7tlnf665llytkwirhwd3bll7ccnjwfzjrjgxbhx4zv4yhf7iq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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49f7415f7b85e989eed8d42e320c82ea6f69850650672ea6d7df65332a7e48c6
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acf8e588808d06c6e5ab45187f753aa03a2a38a176a220749885bf1d5651c874
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c9af30b2a800c774844eee76e019d10b72c4637adbccd34a6de3bcc8a4f32ba4
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cbf9d4ef21092210f58ad0cbdd4753dbbf785387dd8f3001014672679196c65c
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d8c285b8cbdafee6b30293d64b2ca92f9fb086247cb906a84c2ba13c364132ca
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dd4a9a91785a114c43e766fa5510586338863cfbae280b8158483522eed40152
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de14c6d4a32c00edd514c7ff69ccb68327694c65e62f4aac4019e6dd144144a7
AgentTesla
+ 5'142 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/210511-967yhz6ecx/
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.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b791f9ada5f7bab5e26ab2227b0f615afe2135362e53149ae13df99af3072fd1

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/155021/

Comments