MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 733eb03ef38af546cb67e52d53cfa696ae978fd7884fbdf1971c577c08b70c27. 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: 733eb03ef38af546cb67e52d53cfa696ae978fd7884fbdf1971c577c08b70c27
SHA3-384 hash: 31fb1ff8c8a691086d85def98a6a0546deba1a8963fb7aaed5ef4f4d7c26086e77361190f215934cc2b29e2fa10d6533
SHA1 hash: ac81de0cec44eb4521705f2d779c6637041c8e74
MD5 hash: e8a3a64aee39042a3c71889b62a76f46
humanhash: arkansas-six-vegan-don
File name:e8a3a64aee39042a3c71889b62a76f46.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:566'784 bytes
First seen:2021-03-06 19:06:05 UTC
Last seen:Never
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:BfflIIwgebQ27+c6vzywEIl60hO3sTImqWyM+hJ64Tud:ZwMcUzcqvTImunJr
Threatray 3'040 similar samples on MalwareBazaar
TLSH 51C4AE2426FC5B55E07ABB7996D420419BFEB563A327E99E3CA002CB0513F41CEA1737
Reporter abuse_ch
Tags:AgentTesla exe


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

Intelligence

File Origin
# of uploads :
1
# of downloads :
320
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e8a3a64aee39042a3c71889b62a76f46.exe
Verdict:
Malicious activity
Analysis date:
2021-03-06 19:06:55 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d872f08d-758c-40d6-abbf-9da2762373c6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/122659/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.13538.6521.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/630672
Signature
.NET source code contains very large array initializations
.NET source code contains very large strings
Found malware configuration
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: 364307 Sample: FBsAYE3B38.exe Startdate: 07/03/2021 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Multi AV Scanner detection for dropped file 2->33 35 Sigma detected: Scheduled temp file as task from temp location 2->35 37 9 other signatures 2->37 7 FBsAYE3B38.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\...\rHNeDeNpYGtlOu.exe, PE32 7->19 dropped 21 C:\...\rHNeDeNpYGtlOu.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmp79E7.tmp, XML 7->23 dropped 25 C:\Users\user\AppData\...\FBsAYE3B38.exe.log, ASCII 7->25 dropped 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->39 41 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->41 11 FBsAYE3B38.exe 6 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 smtp.yandex.ru 77.88.21.158, 49734, 49736, 587 YANDEXRU Russian Federation 11->27 29 smtp.yandex.com 11->29 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->43 45 Tries to steal Mail credentials (via file access) 11->45 47 Tries to harvest and steal ftp login credentials 11->47 49 Tries to harvest and steal browser information (history, passwords, etc) 11->49 17 conhost.exe 15->17         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/733eb03ef38af546cb67e52d53cfa696ae978fd7884fbdf1971c577c08b70c27/
Threat name:
Win32.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2021-03-06 16:25:55 UTC
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=om7lapxtrl2uns3h4uwvht5gs2xjpd6xrbh334mxdrlxycfxbqtq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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181929c58e5ce4833a2847c9ff077dd87e8c0128793217d7e690311087ecc80a
AgentTesla
459a96d9c261c779036f999c0bb2bc01a2e9126a48cdffb01748a639e63da1a5
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59eb85a7e860bbdaaba38c76b203f4afd4d328887b19faa76c25db9780881e8b
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954ea9356a580092319e9d42da77cff35db73c2eb7fe8235a6e4124bd9bce120
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a09cc41fc5c688ee8d659a26c7a50d422513b8fc6a1636ae091a1572855a5041
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b00418416eb0faf90658dd680f5879c642463e98f84e602816ab5b5e2cc26be2
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b2b6eff8a6c60704b212b98e6eb03be8bd26e1dc3bd8b6f28774bd6a52badb6d
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c1e78a2b9a5781400b19536ed8f9f2806d3bde78c19456cc2890a5ce6e8d42f5
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c48763faaef45525c9b89e256e912eaaafe46d38953bce1a2462e610c9f9602f
AgentTesla
f892fa6757d9aab17b11c24debe91cc7ecd4591bc656f9e653dacf883a1b764f
AgentTesla
+ 3'030 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210306-a286pykdxs/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
f9d949d2f56c449c5d346bb93ed04d38426f563b022dd179ae330dab46682c3b
MD5 hash:
871e23d748ba756eaab5777708f250f8
SHA1 hash:
c9816d4ab38541aaab9aa3eab7cb4898d0b72e4a
Link:
https://www.unpac.me/results/3b8381c1-42b5-4928-86fc-f54fa7b75bbb/
SH256 hash:
733eb03ef38af546cb67e52d53cfa696ae978fd7884fbdf1971c577c08b70c27
MD5 hash:
e8a3a64aee39042a3c71889b62a76f46
SHA1 hash:
ac81de0cec44eb4521705f2d779c6637041c8e74
Link:
https://www.unpac.me/results/3b8381c1-42b5-4928-86fc-f54fa7b75bbb/
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/733eb03ef38af546cb67e52d53cfa696ae978fd7884fbdf1971c577c08b70c27

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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 733eb03ef38af546cb67e52d53cfa696ae978fd7884fbdf1971c577c08b70c27

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1050068/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/122659/

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