MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c0f5b22257f6ca8bd61739371c6431f50a5bd80e2091c30888046bf981b9f006. 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 5 File information Comments

SHA256 hash: c0f5b22257f6ca8bd61739371c6431f50a5bd80e2091c30888046bf981b9f006
SHA3-384 hash: 4963c74e531eeea6a9f1a135d8274dabcf3ee12c0b183324055a49533f02e15d106f7205cec1ff5ff9a8e34bd12f9523
SHA1 hash: 66f28bab101c3739bdbde7206560ed26df6a75e2
MD5 hash: 3fb7bce147739ed1d5f5c66ce8c01898
humanhash: finch-kitten-yellow-spaghetti
File name:QUOTATION_OCT9FIBA00541·PDF.scr
Download: download sample
Signature AgentTesla
File size:1'456'592 bytes
First seen:2023-10-05 09:40:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:iEsOpeXauVjTeGuW7wU/8+oN9Rho+DqW2CdFNchZRMMK:qRHpJoN9RhpPFNcvRM
Threatray 112 similar samples on MalwareBazaar
TLSH T16E6507037A7686A2E6499732D1D71E008363DD8273ABD60A745E33990933BBF9E07D47
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 7068ccb0b2b2b2f8 (129 x AgentTesla, 54 x SnakeKeylogger, 28 x AveMariaRAT)
Reporter abuse_ch
Tags:AgentTesla exe scr

Intelligence


File Origin
# of uploads :
1
# of downloads :
290
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a custom TCP request
Sending a UDP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin masquerade overlay packed replace
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
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
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
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 steal Mail credentials (via file / registry access)
Uses ipconfig to lookup or modify the Windows network settings
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1320109 Sample: QUOTATION_OCT9FIBA00541#U00... Startdate: 05/10/2023 Architecture: WINDOWS Score: 100 25 Found malware configuration 2->25 27 Multi AV Scanner detection for submitted file 2->27 29 Yara detected AgentTesla 2->29 31 7 other signatures 2->31 7 QUOTATION_OCT9FIBA00541#U00b7PDF.scr.exe 4 2->7         started        process3 signatures4 33 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->33 35 Writes to foreign memory regions 7->35 37 Allocates memory in foreign processes 7->37 39 Injects a PE file into a foreign processes 7->39 10 aspnet_compiler.exe 2 7->10         started        13 cmd.exe 1 7->13         started        15 cmd.exe 1 7->15         started        process5 signatures6 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->41 43 Tries to steal Mail credentials (via file / registry access) 10->43 45 Tries to harvest and steal browser information (history, passwords, etc) 10->45 47 Installs a global keyboard hook 10->47 49 Uses ipconfig to lookup or modify the Windows network settings 13->49 17 conhost.exe 13->17         started        19 ipconfig.exe 1 13->19         started        21 conhost.exe 15->21         started        23 ipconfig.exe 1 15->23         started        process7
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-10-04 07:39:15 UTC
AV detection:
17 of 35 (48.57%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
AgentTesla
Unpacked files
SH256 hash:
c0f5b22257f6ca8bd61739371c6431f50a5bd80e2091c30888046bf981b9f006
MD5 hash:
3fb7bce147739ed1d5f5c66ce8c01898
SHA1 hash:
66f28bab101c3739bdbde7206560ed26df6a75e2
Malware family:
AgentTesla.v4
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:NET
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
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 c0f5b22257f6ca8bd61739371c6431f50a5bd80e2091c30888046bf981b9f006

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments