MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 286a906b91ed5c46a05db9f8db2cdd1b50e6cec2a4574b1ad05768e805999764. 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: 286a906b91ed5c46a05db9f8db2cdd1b50e6cec2a4574b1ad05768e805999764
SHA3-384 hash: dbcdb3317005c58693dc5977c8a561e8ca889b66877a1c5d5d8ca18eeecd923cfd1fac24f20e78e04a8dc39755241872
SHA1 hash: 806ad40b1a69658ee5d8f7c44f442e51ff075c4a
MD5 hash: 0c0107191092b26ecbcb2b364249d6f6
humanhash: three-mississippi-blue-item
File name:file
Download: download sample
Signature AgentTesla
Create hunting rule
File size:87'552 bytes
First seen:2023-03-30 17:45:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 1536:q+w1SkLnhUz6RhpJj3lbYiK0GMYe2atgKYa:aJhKmhpJj3lb00GMYvat5
TLSH T10883D625ABE8962AF2BF7B315C7113300779FCC6A961DB4F9C4434CE1872B88D911B66
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 72690d69690d6972 (8 x AgentTesla, 6 x Smoke Loader, 2 x PureCrypter)
Reporter jstrosch
Tags:.NET AgentTesla exe MSIL

Intelligence

File Origin
# of uploads :
1
# of downloads :
274
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SLEE-0809簽名文件.xls
Verdict:
Malicious activity
Analysis date:
2023-03-30 17:28:50 UTC
Tags:
opendir exploit cve-2017-11882 loader
Link:
https://app.any.run/tasks/ab8bc4c1-0c69-4f8f-8501-a67fc7011bf2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/378904/
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.30287.9881.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Sending a UDP request
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Unknown
Threat level:
  0/10
Confidence:
86%
Tags:
packed
Link:
https://www.filescan.io/uploads/6425cae1688c0e6397b3c248/reports/2934f6b3-4e68-4576-a116-ba41c9e3c07a/overview
Verdict:
Malicious
Labled as:
Downloader.MSIL.gen
Link:
https://www.hybrid-analysis.com/sample/286a906b91ed5c46a05db9f8db2cdd1b50e6cec2a4574b1ad05768e805999764
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/812c1258-2a83-4d5c-8e6c-be8450284015
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1205464
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Encrypted powershell cmdline option found
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 838384 Sample: file.exe Startdate: 30/03/2023 Architecture: WINDOWS Score: 100 55 Malicious sample detected (through community Yara rule) 2->55 57 Antivirus detection for URL or domain 2->57 59 Multi AV Scanner detection for submitted file 2->59 61 4 other signatures 2->61 8 file.exe 15 4 2->8         started        13 hcedijf 14 2 2->13         started        process3 dnsIp4 49 www.trao.com.vn 112.213.89.85, 443, 49696, 49697 SUPERDATA-AS-VNSUPERDATA-VN Viet Nam 8->49 43 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 8->43 dropped 71 Encrypted powershell cmdline option found 8->71 73 Injects a PE file into a foreign processes 8->73 15 file.exe 8->15         started        18 powershell.exe 14 8->18         started        51 192.168.2.1 unknown unknown 13->51 file5 signatures6 process7 signatures8 81 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 15->81 83 Maps a DLL or memory area into another process 15->83 85 Checks if the current machine is a virtual machine (disk enumeration) 15->85 87 Creates a thread in another existing process (thread injection) 15->87 20 explorer.exe 4 6 15->20 injected 25 conhost.exe 18->25         started        process9 dnsIp10 45 cletonmy.com 172.105.103.207, 80 LINODE-APLinodeLLCUS United States 20->45 47 alpatrik.com 109.206.243.15, 49701, 49702, 49703 AWMLTNL Germany 20->47 37 C:\Users\user\AppData\Roaming\hcedijf, PE32 20->37 dropped 39 C:\Users\user\...\hcedijf:Zone.Identifier, ASCII 20->39 dropped 41 C:\Users\user\AppData\Local\Temp\F1A.exe, PE32 20->41 dropped 63 System process connects to network (likely due to code injection or exploit) 20->63 65 Benign windows process drops PE files 20->65 67 Injects code into the Windows Explorer (explorer.exe) 20->67 69 3 other signatures 20->69 27 explorer.exe 20->27         started        30 F1A.exe 14 2 20->30         started        33 explorer.exe 20->33         started        35 4 other processes 20->35 file11 signatures12 process13 dnsIp14 75 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 27->75 77 Tries to steal Mail credentials (via file / registry access) 27->77 79 Tries to harvest and steal browser information (history, passwords, etc) 27->79 53 www.trao.com.vn 30->53 signatures15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/286a906b91ed5c46a05db9f8db2cdd1b50e6cec2a4574b1ad05768e805999764/
Threat name:
ByteCode-MSIL.Trojan.Lazy
Create hunting rule
Status:
Malicious
First seen:
2023-03-30 17:46:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fbvja24r5voenic5xh4nwlg5dniontwcurluwgwqk5uoqbmzs5sa._file
Verdict:
malicious
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader backdoor trojan
Link:
https://tria.ge/reports/230330-wcajqafa9v/
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
SmokeLoader
Malware Config
C2 Extraction:
http://cletonmy.com/
http://alpatrik.com/
Unpacked files
SH256 hash:
286a906b91ed5c46a05db9f8db2cdd1b50e6cec2a4574b1ad05768e805999764
MD5 hash:
0c0107191092b26ecbcb2b364249d6f6
SHA1 hash:
806ad40b1a69658ee5d8f7c44f442e51ff075c4a
Detections:
PureCrypter_Stage1
Create hunting rule
Link:
https://www.unpac.me/results/8714bc60-87b1-4436-8a57-180a451f64ae/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/286a906b91ed/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/286a906b91ed5c46a05db9f8db2cdd1b50e6cec2a4574b1ad05768e805999764

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 286a906b91ed5c46a05db9f8db2cdd1b50e6cec2a4574b1ad05768e805999764

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/378904/

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