MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a046a2f73df3a0bd2880b04fa658d3cf278edd40c6fca7f9dbde5342510d085. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9a046a2f73df3a0bd2880b04fa658d3cf278edd40c6fca7f9dbde5342510d085
SHA3-384 hash: d521d38dcd904fa12b8d0a478c3b9e24aa8a2b53d5cbed6990a62502587c63c02e05b535c9fe42eee258b336c82eb26a
SHA1 hash: 6b8a9e086612ea7ba446333ecbc692069c77e01f
MD5 hash: 5d73705c2ba9d26db1e65ba05f2d3040
humanhash: fish-lithium-ink-monkey
File name:PO.#4500499953.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'000'960 bytes
First seen:2021-05-12 09:21:58 UTC
Last seen:2021-05-12 10:02:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:0pI6jwdItkHsTmCrELgC31Oljs8BgRZIqp1:3yksJuflOljDZW
Threatray 4'866 similar samples on MalwareBazaar
TLSH BD2512F03211EC16C36999B494CA92C600E9BD41BDD9D647ACE4B58CADF1B3FAF5042B
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
2
# of downloads :
112
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Scr.Malcodegdn30.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a UDP request
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.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/779667
Signature
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Modifies the hosts 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)
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: 412063 Sample: PO.#4500499953.exe Startdate: 12/05/2021 Architecture: WINDOWS Score: 100 34 Found malware configuration 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected AgentTesla 2->38 40 4 other signatures 2->40 6 PO.#4500499953.exe 3 2->6         started        9 NXLun.exe 2 2->9         started        11 NXLun.exe 1 2->11         started        process3 file4 26 C:\Users\user\...\PO.#4500499953.exe.log, ASCII 6->26 dropped 13 RegSvcs.exe 2 4 6->13         started        18 RegSvcs.exe 6->18         started        20 RegSvcs.exe 6->20         started        22 conhost.exe 9->22         started        24 conhost.exe 11->24         started        process5 dnsIp6 32 wasstech.com 204.93.196.181, 49750, 587 SERVERCENTRALUS United States 13->32 28 C:\Users\user\AppData\Roaming\...28XLun.exe, PE32 13->28 dropped 30 C:\Windows\System32\drivers\etc\hosts, ASCII 13->30 dropped 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->42 44 Tries to steal Mail credentials (via file access) 13->44 46 Tries to harvest and steal ftp login credentials 13->46 52 3 other signatures 13->52 48 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->48 50 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 18->50 file7 signatures8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9a046a2f73df3a0bd2880b04fa658d3cf278edd40c6fca7f9dbde5342510d085/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-05-12 02:19:16 UTC
AV detection:
9 of 47 (19.15%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ticgul3t345axuuibmcpuzmnhtzhr3oubrx4u745xxstijiq2ccq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 4'856 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/210512-94mqf9dn3a/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
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/9a046a2f73df3a0bd2880b04fa658d3cf278edd40c6fca7f9dbde5342510d085

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

Malspam

AgentTesla

Executable exe 9a046a2f73df3a0bd2880b04fa658d3cf278edd40c6fca7f9dbde5342510d085

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments