MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0285d35ec1a33b52bd1fddf3dd1a76d259b0a432640f72a25494392ad5ab7cc0. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0285d35ec1a33b52bd1fddf3dd1a76d259b0a432640f72a25494392ad5ab7cc0
SHA3-384 hash: 74988d74f9b4e6d9c23a9d704e0b3042e07763adab6aaa4bdbe126627223065e408f44939b1f3bfc721bba7a05882660
SHA1 hash: 674043eef2c34604ca1db9cea501b75248d10b97
MD5 hash: e4ad2cf45a409b38a0be08fe736d5ebe
humanhash: alabama-violet-shade-bakerloo
File name:e4ad2cf45a409b38a0be08fe736d5ebe.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'060'864 bytes
First seen:2021-06-07 15:10:37 UTC
Last seen:2021-06-07 17:34:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:+4OQUVYtXiZDpM34cBRSKP/llNxccj6M0SKxQ:DUYtXiZC3vKy/Bxtjfc
Threatray 5'694 similar samples on MalwareBazaar
TLSH F1359E0163D43E9BE07EE23A5629855C81F9EE57A632CA9F3C94B1DE15F1F028352363
Reporter abuse_ch
Tags:AgentTesla exe


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

Intelligence

File Origin
# of uploads :
3
# of downloads :
284
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e4ad2cf45a409b38a0be08fe736d5ebe.exe
Verdict:
Suspicious activity
Analysis date:
2021-06-07 15:14:31 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a1773a60-3135-48f7-a344-9df1026be7ab

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/165050/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.820.15838.25028.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
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/798192
Signature
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Moves itself to temp directory
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 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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 430588 Sample: 14dO9bGqKy.exe Startdate: 07/06/2021 Architecture: WINDOWS Score: 100 30 Found malware configuration 2->30 32 Yara detected AgentTesla 2->32 34 Yara detected AgentTesla 2->34 36 3 other signatures 2->36 6 14dO9bGqKy.exe 3 2->6         started        9 YYtJku.exe 3 2->9         started        11 YYtJku.exe 2 2->11         started        process3 signatures4 38 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->38 40 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->40 13 14dO9bGqKy.exe 2 5 6->13         started        18 YYtJku.exe 2 9->18         started        42 Injects a PE file into a foreign processes 11->42 20 YYtJku.exe 2 11->20         started        22 YYtJku.exe 11->22         started        process5 dnsIp6 28 us2.smtp.mailhostbox.com 208.91.198.143, 49724, 587 PUBLIC-DOMAIN-REGISTRYUS United States 13->28 24 C:\Users\user\AppData\Roaming\...\YYtJku.exe, PE32 13->24 dropped 26 C:\Users\user\...\YYtJku.exe:Zone.Identifier, ASCII 13->26 dropped 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->44 46 Moves itself to temp directory 13->46 48 Tries to steal Mail credentials (via file access) 13->48 50 3 other signatures 13->50 file7 signatures8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/0285d35ec1a33b52bd1fddf3dd1a76d259b0a432640f72a25494392ad5ab7cc0/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-06-07 15:11:13 UTC
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=akc5gxwbum5vfpi73xz52gtw2jm3bjbsmqhxfisusq4svvnlptaa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
075d98e62c3f5fcbff5c865c72ca862087052e56f0bca4d564595be759f5f2cd
AgentTesla
342af886075cca7fdeb8b212c3cfa6721adb1282dd670f0221a7f08cf1946dda
AgentTesla
35b8e3ac887b7a542ac7b636ea576aef98d242f78acbecb5a8378abd07d1e52c
AgentTesla
38cf806ecaf30b5209ebce1a41e7ac877d3201cec05f4a665fe85797a7069bbc
AgentTesla
428b4819734a979d5685b235d190ab9e07bfd6e5098e22ee9195cd386dc701d0
AgentTesla
7a517cc470024b2760e07a9eade9ece2df25c7ce06c9a08461bca975eee4f342
AgentTesla
b1db9b45aa4903a5d9086d759765f4cb76a23e601c7bfd8133d440cace108307
AgentTesla
c9af30b2a800c774844eee76e019d10b72c4637adbccd34a6de3bcc8a4f32ba4
AgentTesla
e41c50d817a963a03c07188bda3e42f164f1ce189f2875dc7f5125594d4ec159
AgentTesla
f5a8b50ac13f3ecea0bf447a41128d06f1409689fe95d611574e51ea435c75ca
AgentTesla
+ 5'684 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210607-jnjmwj6tza/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
34e69e90b7cb6121c3f93911f21dfb00491ea5d5bb79bfce4902d04f72c24184
MD5 hash:
b6b086a0ab13f3feb9ee8c846d230e5d
SHA1 hash:
dd8e1b816f3e7d9dcfa6eddc20a27fe0fbed478a
Link:
https://www.unpac.me/results/a42e35be-8631-4c60-b42c-e5911196cc1b/
SH256 hash:
0285d35ec1a33b52bd1fddf3dd1a76d259b0a432640f72a25494392ad5ab7cc0
MD5 hash:
e4ad2cf45a409b38a0be08fe736d5ebe
SHA1 hash:
674043eef2c34604ca1db9cea501b75248d10b97
Link:
https://www.unpac.me/results/a42e35be-8631-4c60-b42c-e5911196cc1b/
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/0285d35ec1a33b52bd1fddf3dd1a76d259b0a432640f72a25494392ad5ab7cc0

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

AgentTesla

Executable exe 0285d35ec1a33b52bd1fddf3dd1a76d259b0a432640f72a25494392ad5ab7cc0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1336577/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/165050/

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