MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d4023ad4b61e07c4b45673cde0069e4acff8096e0578083ed614f1143a434c40. 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 4 File information Comments
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SHA256 hash: d4023ad4b61e07c4b45673cde0069e4acff8096e0578083ed614f1143a434c40
SHA3-384 hash: 003c2bb659a6e61d59c6093c88ec9d329b55d43af408a96c4f787112fc72a003dd59926e67b760bb522448f933a05be6
SHA1 hash: 730d6bc292b7e9d0777d1499d376109220d4db06
MD5 hash: 990c9fb69884ecca7649e09a19a1fdaf
humanhash: georgia-jupiter-bulldog-gee
File name:DO1021.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:799'232 bytes
First seen:2021-10-18 08:34:26 UTC
Last seen:2021-10-18 09:08:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:znN+C8bmOKhtPU+fmaB98IfLSe0uFLG8/R+qChZUMkLz+qcPNciJD9iumhZ0s/Y1:YZbmOssBR
Threatray 12'200 similar samples on MalwareBazaar
TLSH T16705B018B7086954CB188E77C237425993F8C0A7B36FF33A34DAABD49C97513AB0A5D1
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
163
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/198061/
Detection(s):
SecuriteInfo.com.Variant.Cerbu.117505.4364.22213.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Launching a service
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
80%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/616d31baa9d585e6d52ba6a9/reports/546068b8-8770-4c3e-8c2c-3d150bd65c36/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9302584a-e892-4b48-bc64-ab10e66bc3e7
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/872066
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
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 sample
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)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 504490 Sample: DO1021.exe Startdate: 18/10/2021 Architecture: WINDOWS Score: 96 39 Found malware configuration 2->39 41 Yara detected AgentTesla 2->41 43 .NET source code contains very large array initializations 2->43 45 Machine Learning detection for sample 2->45 6 DO1021.exe 15 4 2->6         started        11 hZpzJs.exe 4 2->11         started        13 hZpzJs.exe 3 2->13         started        process3 dnsIp4 31 www.google.com 142.250.203.100, 443, 49744 GOOGLEUS United States 6->31 23 C:\Users\user\AppData\...\InstallUtil.exe, PE32 6->23 dropped 25 C:\Users\user\AppData\...\DO1021.exe.log, ASCII 6->25 dropped 47 Writes to foreign memory regions 6->47 49 Allocates memory in foreign processes 6->49 51 Hides that the sample has been downloaded from the Internet (zone.identifier) 6->51 53 Injects a PE file into a foreign processes 6->53 15 InstallUtil.exe 2 4 6->15         started        19 conhost.exe 11->19         started        21 conhost.exe 13->21         started        file5 signatures6 process7 file8 27 C:\Users\user\AppData\Roaming\...\hZpzJs.exe, PE32 15->27 dropped 29 C:\Users\user\AppData\...\tmpG923.tmp (copy), PE32 15->29 dropped 33 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->33 35 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->35 37 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->37 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d4023ad4b61e07c4b45673cde0069e4acff8096e0578083ed614f1143a434c40/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-10-18 08:35:07 UTC
AV detection:
9 of 45 (20.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2qbdvvfwdyd4jncwopg6abu6jlh7qcloav4aqpwwctyriosdjraa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
015fffdc77770622a761048d075959b444826823f588e794636748683e8e914c
AgentTesla
0ecfbf08398e1d0470c2f4d40a490808bd1b177cb60d674c5459d85f242952ab
AgentTesla
335ba9dfb3db9d279eee99c95d4417bf9a15e23e8924f131477f2826f73558d9
AgentTesla
6df03da9ec44c507273dc8fc3132b8deab8e99172d3fbcebd74b97081fea7b62
AgentTesla
bfa9dff1901281ac2dcaa21c9d35a708b7f4562088f2f6a2b5d20d4ca6a95d21
AgentTesla
ec694537528f39e61c4a295e99932641ac2660f8580911790926294c4a190afc
AgentTesla
fbbed47e36ef8e3ca336e9e918d3dc558a8e6c3b0cf6c84ac4345cfb0308abc1
AgentTesla
fe0a5fde4fbbddd79d2938af2373c69a8219ea73831be712f1bca86150a30461
AgentTesla
+ 12'190 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla agilenet collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/211018-kg29radcc6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
d4023ad4b61e07c4b45673cde0069e4acff8096e0578083ed614f1143a434c40
MD5 hash:
990c9fb69884ecca7649e09a19a1fdaf
SHA1 hash:
730d6bc292b7e9d0777d1499d376109220d4db06
Link:
https://www.unpac.me/results/26159c8d-5dbc-40cd-a226-a589a49e51a4/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/d4023ad4b61e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/d4023ad4b61e07c4b45673cde0069e4acff8096e0578083ed614f1143a434c40

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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

File information

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

Malspam

AgentTesla

Executable exe d4023ad4b61e07c4b45673cde0069e4acff8096e0578083ed614f1143a434c40

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/198061/

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