MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1023c7d9224250cd2a21a365f5b9a5f434180acd13fd22acda7d8b34915c5757. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1023c7d9224250cd2a21a365f5b9a5f434180acd13fd22acda7d8b34915c5757
SHA3-384 hash: 8bd3aff2c8c6e1b4d0e011dbf02d459cc71e9c822fe9a6505a2f4b188cb3c2542acf9fe1251f42eaa69d243dbcd6955b
SHA1 hash: 1500a1191ec4718954b003b3ee08786a5defcdf9
MD5 hash: 865c4fcd489dbfca5aaaf7e74189f388
humanhash: spaghetti-spaghetti-minnesota-stream
File name:PO_2002837727_288772.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:788'992 bytes
First seen:2020-08-12 18:21:10 UTC
Last seen:2020-08-12 18:51:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 24576:6Ubx03+l03+2LLFxjJwmv2lANBFATrvOd0WZlW:6Cx03+l03+SZxjKAXGHg0
Threatray 10'909 similar samples on MalwareBazaar
TLSH B6F4D02873549923D27A7A35CAB7411407BBBC57353EC70E5ECE72CE98203AD5E107AA
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.huclangia.ga
Sending IP: 5.8.93.140
From: Elvis Tiñini <report@huclangia.ga>
Subject: RE: Cancellation of PO
Attachment: PO_2002837727_288772.rar (contains "PO_2002837727_288772.exe")

AgentTesla SMTP exfil server:
mail.mehatinfo.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/44409/
Detection(s):
SecuriteInfo.com.RSharedStrings.25693.16888.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/423592
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Binary contains a suspicious time stamp
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 AntiVM_3
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1023c7d9224250cd2a21a365f5b9a5f434180acd13fd22acda7d8b34915c5757/
Threat name:
ByteCode-MSIL.Trojan.Perseus
Create hunting rule
Status:
Malicious
First seen:
2020-08-12 18:23:06 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=car4pwjcijim2krbuns7lonf6q2bqcwncp6sflg2pwftjek4k5lq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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240159852a07d731922811db6650130ff93a374e2128e72bf2b7cf8b52fe551e
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32635286140f13f1690c483c2a06bacc67990427515f37a6cf2d93c8a30db5e9
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88d5500916ded187f8d33b6e16f29db7388374f977ad11d39733613085189d27
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b3cbf1f12ae225e86e853b5a9c100248eac70557eaffff26020cdc9d165f3ff9
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d0d7da6edab70ca763cd813715907daeaafb8f0245a55cf4074446bb218dfd6f
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d35fb96cdb750bf65e1480f01ecf5b772b562a69a4721bf2437a62aa920e8ced
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e4a2831ae3ee0aae7fa80df415ccb3774ef85aa9ca7f9f41e18bd603cd72c7bc
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ea74eac48adf2b19c3102578cb14ee0cd1d51f5e5e1da2fb4ab5b0d3f7e91827
AgentTesla
+ 10'899 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200812-5twy7y975e/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
AgentTesla Payload
AgentTesla
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/1023c7d9224250cd2a21a365f5b9a5f434180acd13fd22acda7d8b34915c5757

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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:RSharedStrings
Create hunting rule
Author:Katie Kleemola
Description:identifiers for remote and gmremote
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

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

Malspam

AgentTesla

rar cff1cc3b02bf7d699b880ec9dbd3f4bdddb607cc0e84c956178d00f428fe86af

AgentTesla

Executable exe 1023c7d9224250cd2a21a365f5b9a5f434180acd13fd22acda7d8b34915c5757

(this sample)

  
Dropped by
MD5 bb7d52d6c8bde8b296520e4f9fe0796e
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/44409/
  
Dropped by
SHA256 cff1cc3b02bf7d699b880ec9dbd3f4bdddb607cc0e84c956178d00f428fe86af

Comments