MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 052b9d39fc2e8571f1b8319a832d3ab9ee066b19c037900d3e1ab29f5616621d. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 052b9d39fc2e8571f1b8319a832d3ab9ee066b19c037900d3e1ab29f5616621d
SHA3-384 hash: b6dac526fa7e58b055a53fdf4b5c8889dd71741e2d062e38b6c7fd3a0a2a55dc0c598b5600e9bfe9123c5bf8bfa63ab1
SHA1 hash: a44440efa36f7c024f26e00ccee50671abc36ad9
MD5 hash: ab65b7407318c476a31d5204caef97af
humanhash: paris-south-virginia-early
File name:Request for quote#6000045942.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'166'771 bytes
First seen:2020-08-06 05:23:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 00be6e6c4f9e287672c8301b72bdabf3 (116 x RedLineStealer, 70 x AsyncRAT, 55 x AgentTesla)
ssdeep 24576:6NA3R5drXdtMxKuUStJxZ8uYWaR3g5a58/JB12mI08qpMY5aRcKXwZ3cMY:z5bluUYD84adg5SkJB12NqG2aMZ3tY
Threatray 9'338 similar samples on MalwareBazaar
TLSH 23451202F7C284B1E9331936092AE721A9BDBE601F24DA6FB3C54DBD9931551A234F73
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: protonmail.com
Sending IP: 191.96.140.7
From: daxsteel@protonmail.com
Subject: Request for quote#6000045942
Attachment: Request for quote6000045942.uue (contains "Request for quote#6000045942.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/40026/
Detection(s):
Win.Dropper.NetWire-9102409-0
Create hunting rule

SecuriteInfo.com.Troj.NanoCo_TZ.22029.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a process from a recently created file
Creating a file in the %temp% directory
Adding an access-denied ACE
Using the Windows Management Instrumentation requests
Reading critical registry keys
Setting a keyboard event handler
Creating a window
Searching for the window
Creating a file
Enabling the 'hidden' option for recently created files
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/412073
Signature
Allocates memory in foreign processes
Drops PE files with a suspicious file extension
Injects a PE file into a foreign processes
Sleep loop found (likely to delay execution)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM autoit script
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 258276 Sample: Request for quote#6000045942.exe Startdate: 06/08/2020 Architecture: WINDOWS Score: 76 70 Yara detected AgentTesla 2->70 72 Yara detected AntiVM autoit script 2->72 74 Drops PE files with a suspicious file extension 2->74 14 Request for quote#6000045942.exe 26 2->14         started        17 arwup.pif 1 1 2->17         started        19 arwup.pif 2->19         started        21 arwup.pif 2->21         started        process3 file4 66 C:\20145506\arwup.pif, PE32 14->66 dropped 23 arwup.pif 4 4 14->23         started        25 wscript.exe 17->25         started        27 wscript.exe 19->27         started        29 wscript.exe 21->29         started        process5 process6 31 wscript.exe 1 23->31         started        33 arwup.pif 25->33         started        35 arwup.pif 27->35         started        37 arwup.pif 29->37         started        process7 39 arwup.pif 1 31->39         started        41 wscript.exe 33->41         started        43 wscript.exe 35->43         started        process8 45 wscript.exe 1 39->45         started        47 arwup.pif 41->47         started        49 arwup.pif 43->49         started        process9 51 arwup.pif 1 45->51         started        53 wscript.exe 47->53         started        process10 55 wscript.exe 51->55         started        58 arwup.pif 53->58         started        dnsIp11 68 192.168.2.1 unknown unknown 55->68 60 arwup.pif 55->60         started        process12 process13 62 wscript.exe 60->62         started        process14 64 arwup.pif 62->64         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/052b9d39fc2e8571f1b8319a832d3ab9ee066b19c037900d3e1ab29f5616621d/
Threat name:
Win32.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-08-06 05:25:10 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=auvz2op4f2cxd4nyggniglj2xhxam2yzya3zadj6dkzj6vqwmioq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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b8ee3458736fa73672b43a4c55e136bafc48b215dcb89dac28b5865ab59fc99c
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cbf010e4d58f12ac1a0ce0ef5e29636c13a3a6ee5b052aae7cad7e9a95448276
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f6a3616478400ad9ef7ddde32888050dd08b0fbdcf6ad8372aa3bd414e5b4416
AgentTesla
+ 9'328 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200806-h3a9frla1e/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Loads dropped DLL
Executes dropped EXE
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/052b9d39fc2e8571f1b8319a832d3ab9ee066b19c037900d3e1ab29f5616621d

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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

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

Malspam

AgentTesla

uue 728540a9d6f8894bf9cd0e3d87edaf3942945257ae34ea322fb78c98ac7e85d2

AgentTesla

Executable exe 052b9d39fc2e8571f1b8319a832d3ab9ee066b19c037900d3e1ab29f5616621d

(this sample)

  
Dropped by
MD5 1283d96a6794e697732df4995fdf9e10
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/40026/
  
Dropped by
SHA256 728540a9d6f8894bf9cd0e3d87edaf3942945257ae34ea322fb78c98ac7e85d2

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