MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03a7428ff100bafa1ab62ebf5888293afd81ea78d34e2e8556df4ef198850ab5. 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: 8


Intelligence 8 IOCs YARA 6 File information Comments

SHA256 hash: 03a7428ff100bafa1ab62ebf5888293afd81ea78d34e2e8556df4ef198850ab5
SHA3-384 hash: d7a9df18afb44b9bcf3a3c4ba967938c214c0bd36bcb68872a7240cc751fb2a309fc17133a483e6a70efa089fa409831
SHA1 hash: 56ae61d31fcb1b3f15358bc5fa6532ad5818b38d
MD5 hash: 67c434d6f5255fe2df5fb2971c6e2e29
humanhash: table-zebra-table-mountain
File name:SOA 900371836.zip
Download: download sample
Signature AgentTesla
File size:374'377 bytes
First seen:2023-06-09 09:10:44 UTC
Last seen:2023-06-09 09:11:04 UTC
File type: zip
MIME type:application/zip
ssdeep 6144:j1AmD9sx90D3YqBnceWaW6PG7gEniLLK0m7FnMK6chV+2C4IIzNuin9zPl5TAw0B:BlBsxoYqBncrd7gEiXK0m7FndhV+BsNg
TLSH T1178423130399DDC8854A46EEA8ED8376E7425931E83658BDF438BF073E35223EE61853
TrID 80.0% (.ZIP) ZIP compressed archive (4000/1)
20.0% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter cocaman
Tags:AgentTesla INVOICE zip


Avatar
cocaman
Malicious email (T1566.001)
From: "acct@seabase.com.cn" (likely spoofed)
Received: "from [45.137.22.232] (unknown [45.137.22.232]) "
Date: "7 Jun 2023 04:58:26 +0200"
Subject: "Pending Invoice 38129337"
Attachment: "SOA 900371836.zip"

Intelligence


File Origin
# of uploads :
2
# of downloads :
113
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:SOA 900371836.exe
File size:388'377 bytes
SHA256 hash: 7ca4331b53cb649259648314c7e8eb267cfba6d16fdbc58273fd1005584f4b91
MD5 hash: f2c87ae1a1b637a769359c675e86df2b
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin overlay packed shell32.dll
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.
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-06-06 23:43:25 UTC
File Type:
Binary (Archive)
Extracted files:
5
AV detection:
25 of 37 (67.57%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Rule name:pe_imphash
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
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

zip 03a7428ff100bafa1ab62ebf5888293afd81ea78d34e2e8556df4ef198850ab5

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
AgentTesla

Comments