MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b88f695c511fb7260c06b7e22c51dcea69ac6020cdfadaab785431d90047167e. 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 3 File information Comments

SHA256 hash: b88f695c511fb7260c06b7e22c51dcea69ac6020cdfadaab785431d90047167e
SHA3-384 hash: b96bf70b70624f2efd8fa4098c910891f866f501ad55bc58706ac5d56025133d76e520da6e4704cca74eff418bfe1502
SHA1 hash: 59175ea135fb45dabaa8ce2a58e71b6c504615d7
MD5 hash: 0b08ea66ae3e05a3f5a2cf7887b51761
humanhash: texas-berlin-seventeen-venus
File name:DGI - Teklif Talebi - PO #2023 - 08014 - 10 Adet(72KB).pdf.exe
Download: download sample
Signature AgentTesla
File size:687'616 bytes
First seen:2023-08-14 07:59:32 UTC
Last seen:2023-08-14 09:06:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:gaf4lrr3Oj0O6MbzQUCzIsBVzhb44mJcan1atUhxURCu5KFj1McNf:ge4lXTO6MdCzIsBnb4zZn1auhMCyum8
Threatray 5'531 similar samples on MalwareBazaar
TLSH T11EE4CEC2E572D7E7C6A647B1305151001EB8BFCA7161E2A08DBA72D572F1B023787A7E
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)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
267
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
DGI - Teklif Talebi - PO #2023 - 08014 - 10 Adet(72KB).pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-08-14 08:00:32 UTC
Tags:
agenttesla stealer

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

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Gathering data
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
Changes security center settings (notifications, updates, antivirus, firewall)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
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 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)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1290844 Sample: DGI_-_Teklif_Talebi_-_PO_#2... Startdate: 14/08/2023 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 7 other signatures 2->44 7 DGI_-_Teklif_Talebi_-_PO_#2023_-_08014_-_10_Adet(72KB).pdf.exe 3 2->7         started        10 svchost.exe.exe 3 2->10         started        12 svchost.exe 2->12         started        14 8 other processes 2->14 process3 dnsIp4 54 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->54 56 May check the online IP address of the machine 7->56 58 Injects a PE file into a foreign processes 7->58 17 DGI_-_Teklif_Talebi_-_PO_#2023_-_08014_-_10_Adet(72KB).pdf.exe 17 5 7->17         started        60 Multi AV Scanner detection for dropped file 10->60 62 Machine Learning detection for dropped file 10->62 64 Changes security center settings (notifications, updates, antivirus, firewall) 12->64 22 MpCmdRun.exe 1 12->22         started        36 192.168.2.1 unknown unknown 14->36 signatures5 process6 dnsIp7 30 api4.ipify.org 104.237.62.211, 443, 49703 WEBNXUS United States 17->30 32 ssl0.ovh.net 193.70.18.144, 49704, 587 OVHFR France 17->32 34 api.ipify.org 17->34 26 C:\Users\user\AppData\...\svchost.exe.exe, PE32 17->26 dropped 28 C:\Users\...\svchost.exe.exe:Zone.Identifier, ASCII 17->28 dropped 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->46 48 Tries to steal Mail credentials (via file / registry access) 17->48 50 Tries to harvest and steal browser information (history, passwords, etc) 17->50 52 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->52 24 conhost.exe 22->24         started        file8 signatures9 process10
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-08-14 08:00:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
16 of 24 (66.67%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
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
Unpacked files
SH256 hash:
9c14e5dd563e3cdb29faffd8af976f919107743cbc14d39182a7f574caf512a3
MD5 hash:
9329d7cb5a17e8d9397300f34b5c315c
SHA1 hash:
f6aac69c46f76d18e68e847fc9afd9f104711b12
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
SH256 hash:
b88f695c511fb7260c06b7e22c51dcea69ac6020cdfadaab785431d90047167e
MD5 hash:
0b08ea66ae3e05a3f5a2cf7887b51761
SHA1 hash:
59175ea135fb45dabaa8ce2a58e71b6c504615d7
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:NET
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 b88f695c511fb7260c06b7e22c51dcea69ac6020cdfadaab785431d90047167e

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments