MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 244789615626864dc928a5c20393d47373eff205d512b5283cdc490b098b2635. 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: 13


Intelligence 13 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 244789615626864dc928a5c20393d47373eff205d512b5283cdc490b098b2635
SHA3-384 hash: 93d44fcc934b352de8f2bf2a3d1be301cf2dc6ec5ace200be62f0ea934c5777882632b4850406a0e25f3f61b95487f91
SHA1 hash: 5d091084cd5c1a0abea1c03cf8ce2d8c20265480
MD5 hash: 437c76d316a3ec81ff01e80479b8010f
humanhash: december-pluto-delaware-diet
File name:437c76d316a3ec81ff01e80479b8010f.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:548'352 bytes
First seen:2021-11-29 19:05:01 UTC
Last seen:2021-11-29 20:39:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:BIwi7DJGmxDFEE9FbJaUMos1lALQRvCHCagsl3UnV:O7DxDFECI1laQRotgcUnV
Threatray 13'088 similar samples on MalwareBazaar
TLSH T1E5C4CE4425D6D298F87AEBB40D74F9F00738EEE0E941E6DEE9D03D4FB8B26804A10572
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.curvetechllc.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
164
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
437c76d316a3ec81ff01e80479b8010f.exe
Verdict:
Malicious activity
Analysis date:
2021-11-29 19:12:08 UTC
Tags:
trojan rat agenttesla
Link:
https://app.any.run/tasks/7564d5c6-3baa-416c-9258-54e5ef49262f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Inject4.21043.23519.14881.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Moving of the original file
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61a52461c4c53141482228ea/reports/37897f6b-0898-4d35-8d57-ea65e596e822/overview
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dc362058-ef9c-4fa7-bc30-9c55f2a6e6af
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/898174
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Moves itself to temp directory
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: Suspicius Add Task From User AppData Temp
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 / registry 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: 530648 Sample: I0YWHkryc7.exe Startdate: 29/11/2021 Architecture: WINDOWS Score: 100 58 Found malware configuration 2->58 60 Multi AV Scanner detection for dropped file 2->60 62 Multi AV Scanner detection for submitted file 2->62 64 9 other signatures 2->64 7 I0YWHkryc7.exe 6 2->7         started        11 msbuilda.exe 5 2->11         started        13 msbuilda.exe 4 2->13         started        process3 file4 40 C:\Users\user\AppData\...\ipvWjLgAEV.exe, PE32 7->40 dropped 42 C:\Users\user\AppData\Local\...\tmp81C9.tmp, XML 7->42 dropped 44 C:\Users\user\AppData\...\I0YWHkryc7.exe.log, ASCII 7->44 dropped 66 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->66 68 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->68 70 Uses schtasks.exe or at.exe to add and modify task schedules 7->70 15 I0YWHkryc7.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        72 Multi AV Scanner detection for dropped file 11->72 74 Machine Learning detection for dropped file 11->74 76 Injects a PE file into a foreign processes 11->76 22 schtasks.exe 11->22         started        24 msbuilda.exe 11->24         started        26 schtasks.exe 13->26         started        28 msbuilda.exe 13->28         started        signatures5 process6 dnsIp7 46 mail.curvetechllc.com 15->46 48 mail.curvetechllc.com.netsolmail.net 205.178.146.249, 587 DEFENSE-NETUS United States 15->48 36 C:\Users\user\AppData\...\msbuilda.exe, PE32 15->36 dropped 38 C:\Users\...\msbuilda.exe:Zone.Identifier, ASCII 15->38 dropped 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->50 52 Moves itself to temp directory 15->52 54 Tries to steal Mail credentials (via file / registry access) 15->54 56 3 other signatures 15->56 30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        34 conhost.exe 26->34         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/244789615626864dc928a5c20393d47373eff205d512b5283cdc490b098b2635/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-29 19:05:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
22 of 27 (81.48%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=erdysykwe2de3sjiuxbahe6uonz674qf2ujlkkb43reqwcmley2q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0d7c83e1ae505b204350f8e829f60b4e22758cf1bc37b33abcbc108c67a63239
AgentTesla
5e922ebd226625e778e389b73f24b5e0a876139697b2dcb2e93b060303b81471
AgentTesla
61d4dd89bcb94b321942a0ebc30ad2319411eff15bc24ab4769fd00a20a92188
AgentTesla
6ae65a0d056256a7f411edaa0943409c39646d0725c2c764379cf64c90150a30
AgentTesla
b9ef8dd65a37445c8e3ddd193e7ebdd4917a9c9898b1b2ec988298fc057728fa
AgentTesla
ccd08e456af92ec8844b20167ce732fcca809cbc0aff14ec5a51398960385fe2
AgentTesla
cdb8cf995f8287a1f64cd035c4e34e047e23a3218dbf50b0fcf321ecd464094e
AgentTesla
ebdb5f9167c925da14a5783a022be63ac4daeeb7515692c7cd50c37a7851e7e4
AgentTesla
f349ed3a3e5bab8bc5694ba8885e6717c049064394682b240afe62ede7f67a9e
AgentTesla
+ 13'078 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/211129-xrhpbacehj/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
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
Unpacked files
SH256 hash:
4dd206ce019fc33674738c0e563f3729235ad7b13faaac801facab34016161ae
MD5 hash:
9e779e76c5fe5f9ba21473bad6a22f3c
SHA1 hash:
817bef271cf57bae61701909c1b7ead8a1552983
Link:
https://www.unpac.me/results/4855b422-8453-4fe0-81ef-ad91dcae6683/
SH256 hash:
2e72c5e3cd59162828fa9ecb13960b5a5d56d7ce22bd83a1ddbd2b5d0bb3dc63
MD5 hash:
569a6cbe22483b6be82da83488a9669a
SHA1 hash:
499ef4915008b7864a9754bffd8bade983f847f6
Link:
https://www.unpac.me/results/4855b422-8453-4fe0-81ef-ad91dcae6683/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/4855b422-8453-4fe0-81ef-ad91dcae6683/
SH256 hash:
244789615626864dc928a5c20393d47373eff205d512b5283cdc490b098b2635
MD5 hash:
437c76d316a3ec81ff01e80479b8010f
SHA1 hash:
5d091084cd5c1a0abea1c03cf8ce2d8c20265480
Link:
https://www.unpac.me/results/4855b422-8453-4fe0-81ef-ad91dcae6683/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/244789615626/report/overview.html
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/244789615626864dc928a5c20393d47373eff205d512b5283cdc490b098b2635

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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 244789615626864dc928a5c20393d47373eff205d512b5283cdc490b098b2635

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1791785/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1792276/

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