MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f58ea4c343dbabad1eca0c198c3a57a17efd34114f6709487301874e0d7b8d7. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments

SHA256 hash: 1f58ea4c343dbabad1eca0c198c3a57a17efd34114f6709487301874e0d7b8d7
SHA3-384 hash: 2da2cd5b2b52dd826388be7e7156532055ab79891051eaf8e848d7fa97aa2f0573168b48cac359a2d781cba8110d05d0
SHA1 hash: 4891b551c9950cd0beef1a75fd94347cd41b6bfd
MD5 hash: f84050679c1d9faf1d8de5b63dda5767
humanhash: uranus-table-juliet-march
File name:Payment Slip (SWIFT)·PDF.scr
Download: download sample
Signature AgentTesla
File size:819'712 bytes
First seen:2023-09-13 15:24:12 UTC
Last seen:2023-09-13 15:26:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:n7x96Kkj3a7v2pKrUnH8xcPYn85rNFfEybTxquh/9XN:7v6Kc3ev2OqHjzbIuh/JN
Threatray 6'182 similar samples on MalwareBazaar
TLSH T1C0059C423344CF19C11F19B6D4A292F48323FE51EE41ABDB32C4BE6979F33A6995118B
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 0f519373d9cc750b (107 x AgentTesla, 20 x AveMariaRAT, 5 x Formbook)
Reporter abuse_ch
Tags:AgentTesla exe scr

Intelligence


File Origin
# of uploads :
2
# of downloads :
275
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
PAYMENT COPY.eml
Verdict:
Malicious activity
Analysis date:
2023-09-12 11:05:29 UTC
Tags:
stealer 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
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade 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
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
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: 1308099 Sample: Payment_Slip_(SWIFT)#U00b7P... Startdate: 14/09/2023 Architecture: WINDOWS Score: 100 25 Found malware configuration 2->25 27 Antivirus / Scanner detection for submitted sample 2->27 29 Multi AV Scanner detection for submitted file 2->29 31 7 other signatures 2->31 7 Payment_Slip_(SWIFT)#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:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-09-12 08:14:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
18 of 23 (78.26%)
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:
1f58ea4c343dbabad1eca0c198c3a57a17efd34114f6709487301874e0d7b8d7
MD5 hash:
f84050679c1d9faf1d8de5b63dda5767
SHA1 hash:
4891b551c9950cd0beef1a75fd94347cd41b6bfd
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:NETexecutableMicrosoft
Author:malware-lu
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 1f58ea4c343dbabad1eca0c198c3a57a17efd34114f6709487301874e0d7b8d7

(this sample)

  
Delivery method
Distributed via e-mail attachment

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