MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0a39a3a058b30bdd42d9f91cdd8f875b38cbe845547ff56ca1108e3e3160ace1. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0a39a3a058b30bdd42d9f91cdd8f875b38cbe845547ff56ca1108e3e3160ace1
SHA3-384 hash: ab7e6b26fc8dc520cb91686f062c9f0e6e78ffb75bca4ccc22b022370487fcfd13a68496900a58b7710b6cdbcb994e6a
SHA1 hash: 5c7867547238d05dd99f92565a1e2204b1ee57ba
MD5 hash: 4604fffdc02b07deef3d259d707b8c5c
humanhash: august-virginia-vermont-butter
File name:New_Order_PO#960780_MT_Quote.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:551'424 bytes
First seen:2021-10-27 07:43:29 UTC
Last seen:2021-10-28 06:44:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'749 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 6144:3Y6oyO1g6ImLrfqldJQQnFWYetscQg/iDB/pWMbaoGEDrvBftEhbhhXwMN5M:glImH0QQAXtscQg/iDPkJWLBF1
Threatray 12'329 similar samples on MalwareBazaar
TLSH T137C4E05167B8C90AC5BA03B0D5B8C4F007717C26C652E60FE5D67CDF3A71782862AB6B
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
134
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/200402/
Detection(s):
SecuriteInfo.com.Infostealer.MSIL.Agensla.gen.16649.27644.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit hacktool obfuscated packed
Link:
https://www.filescan.io/uploads/61790345a9d585e6d53ac92b/reports/196d24fb-b16a-4384-b898-aaaab83d856b/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6cbf8344-93d9-496c-9a23-a9d28d511a8c
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/877556
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 509989 Sample: New_Order_PO#960780_MT_Quote.exe Startdate: 27/10/2021 Architecture: WINDOWS Score: 100 33 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->33 35 Found malware configuration 2->35 37 Multi AV Scanner detection for dropped file 2->37 39 7 other signatures 2->39 7 New_Order_PO#960780_MT_Quote.exe 7 2->7         started        process3 file4 25 C:\Users\user\AppData\Roaming\tSYwpKVST.exe, PE32 7->25 dropped 27 C:\Users\user\AppData\Local\...\tmp44E1.tmp, XML 7->27 dropped 29 C:\...29ew_Order_PO#960780_MT_Quote.exe.log, ASCII 7->29 dropped 41 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->41 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->43 45 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->45 47 2 other signatures 7->47 11 New_Order_PO#960780_MT_Quote.exe 6 7->11         started        15 powershell.exe 21 7->15         started        17 schtasks.exe 1 7->17         started        19 New_Order_PO#960780_MT_Quote.exe 7->19         started        signatures5 process6 dnsIp7 31 webmail.karanex.com 185.8.128.141, 49804, 49805, 587 ALASTYRTR Turkey 11->31 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->49 51 Moves itself to temp directory 11->51 53 Tries to steal Mail credentials (via file access) 11->53 55 3 other signatures 11->55 21 conhost.exe 15->21         started        23 conhost.exe 17->23         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/0a39a3a058b30bdd42d9f91cdd8f875b38cbe845547ff56ca1108e3e3160ace1/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-10-27 07:29:30 UTC
AV detection:
11 of 44 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bi42hicywmf52qwz7eon3d4hlm4mx2cfkr77k3fbcchd4mlavtqq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0fcdec51d3f5265149844d452827fdddf15d7bb180852f95b27ec9e28680ae99
AgentTesla
169516b25e797a44cafed939959c4c4aa819f35accb3e5ab6c5bd53eaf7452b4
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2802d7f97fcd74185e73ffc2f3b25b88bd0198a19828b081e13696bfccde07d7
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4615d1a1b95cb1cb6203191adbc9c5d13faa801dc17393efb649282269a4c828
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5b12d14d9e1c19f7202346b1d96be0381eef4a946235d00fe33ab9d05a8772e6
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90854ccccea1f2aab8cc0bcea82c7e0d33ed40d0a127d2f91f22925a15fd8115
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a159b7fed09e3551462b8b65fcb7d2b90cb0107b5e53bd56019e4f484abc5c7c
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d2b8b8ade7cf53ad6e3103c164db24279712867d3bf4ffb6834b155bbe7ea16d
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e4f478b7cd658cb31bc1192e16ccc1509d552a7229a92fea1a3c6224ee7591a1
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eccd846ca2c338260351eb008f10d8ea57c7cbd910b9f4e3841d9eddc2835f84
AgentTesla
+ 12'319 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection evasion keylogger spyware stealer trojan
Link:
https://tria.ge/reports/211027-jktw4sahc8/
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
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
a638c3c7399850292884706679583e76e15f13cd7dc539856aacdfa745044e5b
MD5 hash:
eabceb87504e872a3e1a19e40ae92030
SHA1 hash:
70e0ebc8393d0014c40bafce4a4107afc8a8cbf3
Link:
https://www.unpac.me/results/e17b43fb-aa82-49f3-9b07-461e6fc76e0a/
SH256 hash:
ad95916976d6f5a8af75db25885cd5cf5e211708686031aea53428640d51a3af
MD5 hash:
83577135169e7030da45ae75f674d2f6
SHA1 hash:
1a8955ff08f75360cdc5fb1efa0ae1116bab07e6
Link:
https://www.unpac.me/results/e17b43fb-aa82-49f3-9b07-461e6fc76e0a/
SH256 hash:
4d1ee061c817ea30ca4e461a4f44388662c1c1c2775be2b323858ddbc1679b35
MD5 hash:
1b6d3d31872537cc611ff4322ffc1099
SHA1 hash:
0108adafb207ce044bfb3f7933da45594c545bee
Link:
https://www.unpac.me/results/e17b43fb-aa82-49f3-9b07-461e6fc76e0a/
SH256 hash:
0a39a3a058b30bdd42d9f91cdd8f875b38cbe845547ff56ca1108e3e3160ace1
MD5 hash:
4604fffdc02b07deef3d259d707b8c5c
SHA1 hash:
5c7867547238d05dd99f92565a1e2204b1ee57ba
Link:
https://www.unpac.me/results/e17b43fb-aa82-49f3-9b07-461e6fc76e0a/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/0a39a3a058b3/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/0a39a3a058b30bdd42d9f91cdd8f875b38cbe845547ff56ca1108e3e3160ace1

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: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 0a39a3a058b30bdd42d9f91cdd8f875b38cbe845547ff56ca1108e3e3160ace1

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/200402/

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