MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e55e9cd2c9714d2307617574b4426ba13b351433955ea049125bd0eaf8276c5c. 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: e55e9cd2c9714d2307617574b4426ba13b351433955ea049125bd0eaf8276c5c
SHA3-384 hash: 2978d4a0c8ed8a797fb9ba48cae9e8bef0f7c3d967686f96c7ebce6ed9cde09403ed910c5b345eacbc4d39fc7667c3f0
SHA1 hash: f7cd2823d062703af9f94022bd3c4ac5e683c692
MD5 hash: 779989becb9d006ebdfaa5d63ff04e96
humanhash: cat-hawaii-asparagus-nineteen
File name:779989becb9d006ebdfaa5d63ff04e96.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:422'912 bytes
First seen:2020-08-12 19:18:51 UTC
Last seen:2020-08-12 20:01:37 UTC
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:rtwLMSdbUi8Gn5f/eJ91yIwkn0wpuMWD:1478GndeJ91yIwknhU
Threatray 10'737 similar samples on MalwareBazaar
TLSH 8A94023C5968C623E27F97FEA0F001040BB4A6666627FFDA9CF8A0E7055EF46049142F
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
68
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/44507/
Detection(s):
SecuriteInfo.com.Trojan.KillProc2.11340.23609.13324.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
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/423809
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 264381 Sample: BWYLNFHNkO.exe Startdate: 13/08/2020 Architecture: WINDOWS Score: 72 70 Yara detected AgentTesla 2->70 13 BWYLNFHNkO.exe 2->13         started        process3 signatures4 88 Writes to foreign memory regions 13->88 90 Maps a DLL or memory area into another process 13->90 16 BWYLNFHNkO.exe 13->16         started        20 RegAsm.exe 13->20         started        22 RegAsm.exe 2 13->22         started        process5 dnsIp6 60 192.168.2.1 unknown unknown 16->60 62 Writes to foreign memory regions 16->62 64 Maps a DLL or memory area into another process 16->64 24 BWYLNFHNkO.exe 16->24         started        27 RegAsm.exe 2 16->27         started        66 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->66 68 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 20->68 signatures7 process8 signatures9 84 Writes to foreign memory regions 24->84 86 Maps a DLL or memory area into another process 24->86 29 BWYLNFHNkO.exe 24->29         started        32 RegAsm.exe 2 24->32         started        process10 signatures11 92 Writes to foreign memory regions 29->92 94 Maps a DLL or memory area into another process 29->94 34 BWYLNFHNkO.exe 29->34         started        37 RegAsm.exe 2 29->37         started        process12 signatures13 72 Writes to foreign memory regions 34->72 74 Maps a DLL or memory area into another process 34->74 39 BWYLNFHNkO.exe 34->39         started        42 RegAsm.exe 34->42         started        44 RegAsm.exe 34->44         started        process14 signatures15 80 Writes to foreign memory regions 39->80 82 Maps a DLL or memory area into another process 39->82 46 BWYLNFHNkO.exe 39->46         started        49 RegAsm.exe 39->49         started        51 RegAsm.exe 39->51         started        process16 signatures17 96 Writes to foreign memory regions 46->96 98 Maps a DLL or memory area into another process 46->98 53 BWYLNFHNkO.exe 46->53         started        56 RegAsm.exe 46->56         started        100 Tries to steal Mail credentials (via file access) 49->100 102 Tries to harvest and steal browser information (history, passwords, etc) 49->102 process18 signatures19 76 Writes to foreign memory regions 53->76 78 Maps a DLL or memory area into another process 53->78 58 RegAsm.exe 53->58         started        process20
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e55e9cd2c9714d2307617574b4426ba13b351433955ea049125bd0eaf8276c5c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-12 18:46:27 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4vpjzuwjofgsgb3bov2liqtlue5tkfbtsvpkasislpiov6bhnroa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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878770eb180f92d911dbb519c93aac3b4b63269f45d8af9500f6a144e6635b7d
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a465d738b180ef7304641b26840855fc15676b2d04a52b67388dc1cd55c29cae
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a52c72aa195562b2f469e6dbc1e2e7534aec440d4674cedb788f3800286ecbbf
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e4b3d4a35096c766362119548bef2b259aa8278153c5b6277d618a45620b4129
AgentTesla
+ 10'727 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/200812-e5vhe3nqpe/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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.

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.

Web download

AgentTesla

Executable exe e55e9cd2c9714d2307617574b4426ba13b351433955ea049125bd0eaf8276c5c

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/44507/
  
URLhaus
https://urlhaus.abuse.ch/url/431142/
  
Delivery method
Distributed via web download

Comments