MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99b87d7492d967798ea2ea3a8650963ec3855bb9d264a2b4e8d69b6261e654bb. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 99b87d7492d967798ea2ea3a8650963ec3855bb9d264a2b4e8d69b6261e654bb
SHA3-384 hash: 38a78e0dbe6822d4806163f7099fbde29895da0ab4124156121a99e1086af604be806d8a2db1781f92bce8dd9eb3b2ff
SHA1 hash: c8b22a5310918aefaa66400888492db3ba6f77b6
MD5 hash: 2fe219f5a5271b3a9cc53f971f47009a
humanhash: louisiana-mango-alpha-pip
File name:JUSTF2312.exe
Download: download sample
Signature AgentTesla
File size:413'184 bytes
First seen:2021-12-24 05:09:04 UTC
Last seen:2021-12-24 07:16:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:hR4Ga5SljabEbGVrqIKo6iMvdDMxfT0yZAT2PxKGu5FYHMJ8PBFcZMDk9x8FY0Dg:/1ZWz4lEI65KGu52HCYiZMA9tXG3cZ
Threatray 14'238 similar samples on MalwareBazaar
TLSH T1B294236A20AC81A3DAEA97B73C7553E008B2E365354DDF4939CD908A9361F571A03FDC
Reporter Anonymous
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
169
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://www.mediafire.com/file/treg1h3gvsoiu90/JUSTF2312.tgz/file
Verdict:
Malicious activity
Analysis date:
2021-12-23 10:31:54 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Found malware configuration
Machine Learning detection for sample
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 / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2021-12-23 12:44:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
ba292f294a9b82b77ad100edf6adfa97f08a989a2df60766b315100e8008d75d
MD5 hash:
531998254ca093939b9ef7dd7bcdd5f1
SHA1 hash:
02e0fbd0fd15dac29b5b910be21dae13f419e21c
SH256 hash:
55535d7416e19740ddca81496bcfb9ea7f4ec52735e01d43880f6359f92b63be
MD5 hash:
42c16475606875decc737cb31dfb2cbb
SHA1 hash:
28db67a9058bbebedbd28819bce871cdeb62f968
SH256 hash:
dd02b44894dfd8ed3fdaa1c20511f3e2c698d3c47d6d824d7f4acaa6d5d673e9
MD5 hash:
0004bc991d5e8c0dbee55907293dae37
SHA1 hash:
c22416d2d9ed0fee3f6c5bc1acffad2c03fb2978
SH256 hash:
99b87d7492d967798ea2ea3a8650963ec3855bb9d264a2b4e8d69b6261e654bb
MD5 hash:
2fe219f5a5271b3a9cc53f971f47009a
SHA1 hash:
c8b22a5310918aefaa66400888492db3ba6f77b6
Malware family:
Agent Tesla
Verdict:
Malicious
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:pe_imphash
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.

  
Delivery method
Distributed via e-mail link

Comments