MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 456b668f6150315e658d825afa5ac2e6aaaeaeb36b9fdc8dfed080bec820b2fa. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: 456b668f6150315e658d825afa5ac2e6aaaeaeb36b9fdc8dfed080bec820b2fa
SHA3-384 hash: 80910b7b0058ff97716b0563ce512c3547586131e26831b89d94c0a33f0f373e503af920e4b322c9f4de9881cb0e5461
SHA1 hash: 44a09eff2813adf84885554d91e88705a8f105dc
MD5 hash: 59dae2d8e9d0d76c3850b38d7cca6133
humanhash: network-purple-romeo-pizza
File name:RFQ - 10000796_pdf .exe
Download: download sample
Signature AgentTesla
File size:870'912 bytes
First seen:2022-08-08 08:07:34 UTC
Last seen:2022-08-08 08:40:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:1GdK1Fag6SKlpxj63YsXIL/GqzjMb+FTp1q48r0sq5ST2+9EqbpWe/t:MdLlpxj63e+H+hr8wn5ST2+twAt
Threatray 21'141 similar samples on MalwareBazaar
TLSH T14105E084B713DD33F26C2673E0C2411C1771454E92E2D61AB5DCBAAD38623AB1DF978A
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 9c9232d2e2cca4c0 (1 x AgentTesla)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
296
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
RFQ - 10000796_pdf .exe
Verdict:
Malicious activity
Analysis date:
2022-08-08 08:18:02 UTC
Tags:
agenttesla

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

Behaviour
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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 method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
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)
Uses an obfuscated file name to hide its real file extension (a lot of spaces)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 680256 Sample: RFQ - 10000796_pdf         ... Startdate: 08/08/2022 Architecture: WINDOWS Score: 100 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for dropped file 2->39 41 Antivirus / Scanner detection for submitted sample 2->41 43 17 other signatures 2->43 7 RFQ - 10000796_pdf                                                  .exe 7 2->7         started        process3 file4 23 C:\Users\user\AppData\Roaming\gTXJIV.exe, PE32 7->23 dropped 25 C:\Users\user\...\gTXJIV.exe:Zone.Identifier, ASCII 7->25 dropped 27 C:\Users\user\AppData\Local\...\tmpB5C6.tmp, XML 7->27 dropped 29 RFQ - 10000796_pdf...           .exe.log, ASCII 7->29 dropped 45 Adds a directory exclusion to Windows Defender 7->45 47 Injects a PE file into a foreign processes 7->47 11 RFQ - 10000796_pdf                                                  .exe 2 7->11         started        15 powershell.exe 23 7->15         started        17 schtasks.exe 1 7->17         started        signatures5 process6 dnsIp7 31 mail.thermas.it 11->31 33 thermas.it 46.254.34.12, 587 SERVERPLAN-ASIT Italy 11->33 35 192.168.2.1 unknown unknown 11->35 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->49 51 Tries to steal Mail credentials (via file / registry access) 11->51 53 Tries to harvest and steal ftp login credentials 11->53 55 Tries to harvest and steal browser information (history, passwords, etc) 11->55 19 conhost.exe 15->19         started        21 conhost.exe 17->21         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-08-04 02:35:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
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
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
SH256 hash:
772cb1dd9d0092fdc52bf2f25d6abe043e80b314aeff17c77f0785d7b3228576
MD5 hash:
ffe1ba7404116a14f466e17eccced55f
SHA1 hash:
4912acdc5acb04d8de4afb67434a7e10c03a1b9f
SH256 hash:
a9c5b2c628a47247402ff05d399855caf6f6a22146d44cd0fd9d7fc05a65ba66
MD5 hash:
228ff1006be83039e4de2b5e0475a5b0
SHA1 hash:
3adef5cc343067fa6b9d5e712114dc619c867a72
SH256 hash:
456b668f6150315e658d825afa5ac2e6aaaeaeb36b9fdc8dfed080bec820b2fa
MD5 hash:
59dae2d8e9d0d76c3850b38d7cca6133
SHA1 hash:
44a09eff2813adf84885554d91e88705a8f105dc
Malware family:
AgentTesla.v3
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.

Malspam

AgentTesla

Executable exe 456b668f6150315e658d825afa5ac2e6aaaeaeb36b9fdc8dfed080bec820b2fa

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments