MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca23807d51b989324e04dafc821c7611cf0ee25d04aa9a20c41a6b92303ca81f. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ca23807d51b989324e04dafc821c7611cf0ee25d04aa9a20c41a6b92303ca81f
SHA3-384 hash: 8a8a8bd6d745e9df7fa43777795a0c817fb814d4662261a95d4e0567714a438f0b61049f6fdaa3c81dcf767e74d0e55a
SHA1 hash: 6c402ac75705e48a44f0316b2eb2d8976377b107
MD5 hash: e3c8b8007886dde9e60112ec951f3db4
humanhash: five-muppet-jig-nineteen
File name:e3c8b8007886dde9e60112ec951f3db4.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:641'536 bytes
First seen:2020-10-12 15:11:18 UTC
Last seen:2020-10-12 15:52:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:hm/j2ITxEfz8iqm0oBp9V5mqJNQDeF9Kn7rVEWuQjJ1sF6:hmCj78zHoBz2qXQ29wrVEDQvO6
Threatray 486 similar samples on MalwareBazaar
TLSH 8ED4F1301BEC8B62E578B7FE143170B417F1A60AC736E628FDC5447904A9B9ACA57B43
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
108
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/70160/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.445.10255.143.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/488664
Signature
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
Sigma detected: Scheduled temp file as task from temp location
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 AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 296807 Sample: IrI5TR51ol.exe Startdate: 12/10/2020 Architecture: WINDOWS Score: 100 26 Multi AV Scanner detection for dropped file 2->26 28 Sigma detected: Scheduled temp file as task from temp location 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 6 other signatures 2->32 7 IrI5TR51ol.exe 7 2->7         started        process3 file4 18 C:\Users\user\AppData\...\ymapsUYBTumtA.exe, PE32 7->18 dropped 20 C:\...\ymapsUYBTumtA.exe:Zone.Identifier, ASCII 7->20 dropped 22 C:\Users\user\AppData\Local\...\tmpAE98.tmp, XML 7->22 dropped 24 C:\Users\user\AppData\...\IrI5TR51ol.exe.log, ASCII 7->24 dropped 34 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->34 36 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->36 38 Injects a PE file into a foreign processes 7->38 40 Found evasive API chain (trying to detect sleep duration tampering with parallel thread) 7->40 11 IrI5TR51ol.exe 4 7->11         started        14 schtasks.exe 1 7->14         started        signatures5 process6 signatures7 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->42 44 Tries to steal Mail credentials (via file access) 11->44 46 Tries to harvest and steal ftp login credentials 11->46 48 2 other signatures 11->48 16 conhost.exe 14->16         started        process8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ca23807d51b989324e04dafc821c7611cf0ee25d04aa9a20c41a6b92303ca81f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-12 10:58:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zirya7krxgetetqe3l6iehdwchhq5ys5asvjuigedjvzemb4vapq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
346c5380b5669b73b9fc43a1a17c31ea17985488e9ea947d93a1c6858ebab5e1
AgentTesla
48a5835b51a5221656e9497ca5682a1e232bf1a1da085af917245dc3fad1a241
AgentTesla
71efb1afd621bbe994a4bf1c6b6e9c4f2d9955d320bc2a57a484287c1e74102b
AgentTesla
7f767ca610703568153db9fd01aa25c9fb1e4e5c740d669699649fdd4785ab69
AgentTesla
805024bdbd61ad0a7a280c42f98c89da5563c2498ed768971ddc74dca126e591
AgentTesla
9314cdd0369d3b1a01b3b332e487f7c0744bd289c086855eff62f88f0ebe139d
AgentTesla
a64ac7715f779b591f789eb4e66a54a8e8a26855a89089ee6e6080f61231a7c9
AgentTesla
c8741ad3130b95d1df602e99ed65489df788819dabe8907f2a449197e8ba97ef
AgentTesla
cb9826fb54d83c293531c905827920511bd9d7b259da01ac1e593d9d10aec334
AgentTesla
e132699f63854eb3c66be165867f2cafc37d29a8a3a4ca3c4c6949ed42ddde95
AgentTesla
+ 476 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/201012-vd1ggl151x/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
ca23807d51b989324e04dafc821c7611cf0ee25d04aa9a20c41a6b92303ca81f
MD5 hash:
e3c8b8007886dde9e60112ec951f3db4
SHA1 hash:
6c402ac75705e48a44f0316b2eb2d8976377b107
Link:
https://www.unpac.me/results/4bc18c09-42c7-4884-8ab4-25fa997dbf56/
SH256 hash:
13b24d3a09d099dabe41cd6cd71607a77e14640b1e9b4ed2d60f6c012f191c43
MD5 hash:
109cedae3c384a1913107f1efad2b7c8
SHA1 hash:
1f7f35b0ed85fa12bb839cbce698e59a30813420
Link:
https://www.unpac.me/results/4bc18c09-42c7-4884-8ab4-25fa997dbf56/
SH256 hash:
5b1e724906f95f30e5db7ae50679748a4c8febde3411ce4e0f66311c2b5578eb
MD5 hash:
be57c5c0918f3c38c8b752e43e1c41a9
SHA1 hash:
3c8322778bd54410d33690dc670483128eac9e99
Link:
https://www.unpac.me/results/4bc18c09-42c7-4884-8ab4-25fa997dbf56/
SH256 hash:
0aec8d5e2c2354d9b194b7b681608f50eb390c1fab2abf3151747dd859f405fb
MD5 hash:
37d56c6f5ab2b9e5a162a2db6645f21a
SHA1 hash:
85ecf4e0499f2477a50d6dd69cc4af7759093338
Link:
https://www.unpac.me/results/4bc18c09-42c7-4884-8ab4-25fa997dbf56/
SH256 hash:
bbe65daf5d261fbe5611be3ba48179f8c486ae198327c4a2335b82dc26fbf3fd
MD5 hash:
5c375e8dad5991d4b7884eb44ecaff2c
SHA1 hash:
9c291575734d8997bb2e773f8093b5edac0c00f8
Link:
https://www.unpac.me/results/4bc18c09-42c7-4884-8ab4-25fa997dbf56/
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/ca23807d51b989324e04dafc821c7611cf0ee25d04aa9a20c41a6b92303ca81f

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

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

Web download

AgentTesla

Executable exe ca23807d51b989324e04dafc821c7611cf0ee25d04aa9a20c41a6b92303ca81f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/675605/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/70160/

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