MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4540c3754b0563ef0392b1b0cacab2865d1638abb6dbe461ce3c7a912cfe3dad. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4540c3754b0563ef0392b1b0cacab2865d1638abb6dbe461ce3c7a912cfe3dad
SHA3-384 hash: be197ca25747ea345cd4a299b4ebe134e3d63193101eeef859543b70694eafba0a3eeb7fd01c3ac537546a44ed05fd21
SHA1 hash: 0a06b0f5eae105cf912c5d7417ac338205850637
MD5 hash: ad630341a62ddfd67a8aed1638270825
humanhash: kilo-one-december-hawaii
File name:auidodg.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:440'320 bytes
First seen:2020-08-13 11:12:33 UTC
Last seen:2020-08-13 12:24:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:y+8DrmjXQ2kUaPhBD1Iaez1J71KPuqvkuEZ:78HmjXQHZJt17ET71guqv6Z
Threatray 10'614 similar samples on MalwareBazaar
TLSH 6D94022873A4CA43E12D53B88562D2350774AE251817FBD75EE8BCDB393EF93188146B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: server2.futuria.es
Sending IP: 188.164.196.24
From: Finance - Tecnoponti <claradel.prete@tecnoponti.it>
Subject: R: FW: Deposit Payment
Attachment: Proforma Invoice.xlsx

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
63
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/45116/
Detection(s):
SecuriteInfo.com.Trojan.GenericKDZ.69413.8807.13590.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Creating a window
Sending a UDP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/425975
Signature
Maps a DLL or memory area into another process
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)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 265605 Sample: auidodg.exe Startdate: 14/08/2020 Architecture: WINDOWS Score: 64 70 Yara detected AgentTesla 2->70 14 auidodg.exe 1 2->14         started        process3 dnsIp4 60 192.168.2.1 unknown unknown 14->60 100 Writes to foreign memory regions 14->100 102 Maps a DLL or memory area into another process 14->102 18 auidodg.exe 14->18         started        21 RegAsm.exe 2 14->21         started        signatures5 process6 signatures7 72 Writes to foreign memory regions 18->72 74 Maps a DLL or memory area into another process 18->74 23 auidodg.exe 18->23         started        26 RegAsm.exe 2 18->26         started        76 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 21->76 78 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 21->78 process8 signatures9 88 Writes to foreign memory regions 23->88 90 Maps a DLL or memory area into another process 23->90 28 auidodg.exe 23->28         started        31 RegAsm.exe 2 23->31         started        process10 signatures11 96 Writes to foreign memory regions 28->96 98 Maps a DLL or memory area into another process 28->98 33 auidodg.exe 28->33         started        36 RegAsm.exe 2 28->36         started        process12 signatures13 66 Writes to foreign memory regions 33->66 68 Maps a DLL or memory area into another process 33->68 38 auidodg.exe 33->38         started        41 RegAsm.exe 33->41         started        process14 signatures15 84 Writes to foreign memory regions 38->84 86 Maps a DLL or memory area into another process 38->86 43 auidodg.exe 38->43         started        46 RegAsm.exe 38->46         started        process16 signatures17 92 Writes to foreign memory regions 43->92 94 Maps a DLL or memory area into another process 43->94 48 auidodg.exe 43->48         started        51 RegAsm.exe 43->51         started        process18 signatures19 62 Writes to foreign memory regions 48->62 64 Maps a DLL or memory area into another process 48->64 53 auidodg.exe 48->53         started        56 RegAsm.exe 48->56         started        process20 signatures21 80 Writes to foreign memory regions 53->80 82 Maps a DLL or memory area into another process 53->82 58 RegAsm.exe 53->58         started        process22
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4540c3754b0563ef0392b1b0cacab2865d1638abb6dbe461ce3c7a912cfe3dad/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-13 10:03:46 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ivamg5klavr66a4swgymvsvsqzormoflw3n6iyoohr5jclh6hwwq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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8a463f15c830e566292963bf3473b16288e71350e97d84359499fd33b7329a66
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a465d738b180ef7304641b26840855fc15676b2d04a52b67388dc1cd55c29cae
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a52c72aa195562b2f469e6dbc1e2e7534aec440d4674cedb788f3800286ecbbf
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e55e9cd2c9714d2307617574b4426ba13b351433955ea049125bd0eaf8276c5c
AgentTesla
+ 10'604 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200813-byqrbn49ps/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4540c3754b0563ef0392b1b0cacab2865d1638abb6dbe461ce3c7a912cfe3dad

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

Excel file xlsx d8739e291b6da32f9b3ea6d20799a997a53b7d47621d38412294cfaa2e0d8b7c

AgentTesla

Executable exe 4540c3754b0563ef0392b1b0cacab2865d1638abb6dbe461ce3c7a912cfe3dad

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/431806/
  
Dropped by
MD5 16b602ecf475955012903898e1bdeadd
  
Dropped by
SHA256 d8739e291b6da32f9b3ea6d20799a997a53b7d47621d38412294cfaa2e0d8b7c
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/45116/

Comments