MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91b85bc8af5080a6900fac25e232068764808aa3f3bf3b2eb23666ab3a7935e1. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments

SHA256 hash: 91b85bc8af5080a6900fac25e232068764808aa3f3bf3b2eb23666ab3a7935e1
SHA3-384 hash: b21200cf039e782f2881fcdd20c642d1676ce19cbcd8c19ccf6904cad1742d5f60ee7033140391085ff02102b6d0b39b
SHA1 hash: 61d8d6d42a8ff073e85b45acaa28b925a6b14c26
MD5 hash: b6b1a1ec4a942a3c6daab1ea6fd8953c
humanhash: india-five-mountain-thirteen
File name:91b85bc8af5080a6900fac25e232068764808aa3f3bf3b2eb23666ab3a7935e1
Download: download sample
Signature AgentTesla
File size:172'544 bytes
First seen:2023-06-07 16:58:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 3072:j7k55nrZ1oOWVg7nD4PRnUoiwFW0+Wm4swgHev:c5NXoOWVgbkBUgFW0+Wlc
Threatray 3'420 similar samples on MalwareBazaar
TLSH T12DF329ECD2C95D11E32D4174E4B311480BBEA9429B17E65D1DE0A8F63AB77E3322EC61
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
281
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
91b85bc8af5080a6900fac25e232068764808aa3f3bf3b2eb23666ab3a7935e1
Verdict:
Malicious activity
Analysis date:
2023-06-07 16:58:25 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
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Reading critical registry keys
Creating a file in the %AppData% subdirectories
Creating a window
Setting a keyboard event handler
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
hacktool lolbin 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
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-06-07 16:59:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 23 (91.30%)
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 SetWindowsHookEx
outlook_office_path
outlook_win_path
Accesses Microsoft Outlook profiles
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://discord.com/api/webhooks/1106211888414609449/D-jiV26Lip-g5XFDPyDsKwkNspaw1YssTe5MRiloPXxaS-gG5tNNHqolynsHmqDAzD-0
Unpacked files
SH256 hash:
91b85bc8af5080a6900fac25e232068764808aa3f3bf3b2eb23666ab3a7935e1
MD5 hash:
b6b1a1ec4a942a3c6daab1ea6fd8953c
SHA1 hash:
61d8d6d42a8ff073e85b45acaa28b925a6b14c26
Detections:
AgentTeslaXorStringsNet
Malware family:
AgentTesla
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: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: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.

Comments