MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38a5466ed6bf2ea0c3e206b7ce9520da9c0104fbe0ddc33012ef73087e0c754c. 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: 4


Intelligence 4 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 38a5466ed6bf2ea0c3e206b7ce9520da9c0104fbe0ddc33012ef73087e0c754c
SHA3-384 hash: 250f83b6113fab0a18834bdb2a9c58ab422a8fbf2ccb41caa6da0b3f09aa8625e4e701ceb6d34661c4318514f2510116
SHA1 hash: 6cf7271e167a649fcd60f016a3e23d0d6a08a2ac
MD5 hash: b5b4f6b0c037dbd2f1c780d003e2048c
humanhash: gee-delaware-paris-sodium
File name:mXb7YbGSNVuPq6D.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:521'216 bytes
First seen:2020-05-26 10:37:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:iS3//b7o647plojiJxS2/spLvM7FI964X8+2GB:iMr7o6uYubS2/77FIQg8VGB
Threatray 10'713 similar samples on MalwareBazaar
TLSH 25B4D01B7584C55ECE2C14F6A306428077F6CCEB9918F3889FCA72671EE63D20962727
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: smtp82.iad3a.emailsrvr.com
Sending IP: 173.203.187.82
From: Accounts Payable Department <ruddy-dss@cbn.net.id>
Subject: Payment Update
Attachment: INVOICE BANK DETAILS.zip (contains "mXb7YbGSNVuPq6D.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-26 02:05:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
20 of 31 (64.52%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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1af39187ccacdf73f47da74611b9fb4582ca0d186cfedb27b557899a5eca6b9d
AgentTesla
2176a0e2b600d06c89a8ebeeea19444df5a5ede09639af04f88d734b7fe01633
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4850ce25c3caf99fc7f558ec6666d08c43d69ed4e1be9a8fd37f289db69561ab
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70e19ae033d90f86fa356b14a9545c1444ba59d09037bc61f0e3fb9ae92e4386
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89c3a9a4a75c80b3552df2a5bda935056bc3a55a6f76b264645593cb966e2b74
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d64c548cdf246a19722734b1c94f30252f00873a2e0960dccd05101f05e845d9
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d807dcfd04f5d5eac71522a29a6911c504039edb6277ba9b35953ca9f5fcef8f
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e836f76c716c021e89d19ee4e4456e04b04b1041fe04fdaa6ac7523d35ef3b60
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f57973fe9b7144fd299f70cc04bcde1e442f6816de323361f1b09cb63c4e41b4
AgentTesla
+ 10'703 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity evasion keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-wstl7artxa/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
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
rezer0
AgentTesla
CoreEntity .NET Packer
Please note that we are no longer able to provide a coverage score for Virus Total.

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: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

zip a20ae981add30ca8ca3ff698bc6afcf5a6e650fa5848f5f82839171e39495b78

AgentTesla

Executable exe 38a5466ed6bf2ea0c3e206b7ce9520da9c0104fbe0ddc33012ef73087e0c754c

(this sample)

  
Dropped by
MD5 03071dc17e2366ceb5cf5968ae4dd186
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 a20ae981add30ca8ca3ff698bc6afcf5a6e650fa5848f5f82839171e39495b78

Comments