MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 255298b59b2497636c8f2945cdcbf0a0f253d40a6695653208f6488cae8dd05b. 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 9 File information Comments

SHA256 hash: 255298b59b2497636c8f2945cdcbf0a0f253d40a6695653208f6488cae8dd05b
SHA3-384 hash: cdc20ba827c772733ec3ffd81d22273ffb499a802721113614daee85b295085fd15ddc0d5b35c14883af3386c1257bd7
SHA1 hash: 8e9f409fdb4f3f64e94fb45de0e721dbe77d7826
MD5 hash: 5a86390ed4a66b80e7b4d136d52a6115
humanhash: bakerloo-tango-tennessee-montana
File name:IMG22670163xls.exe
Download: download sample
Signature AgentTesla
File size:1'089'016 bytes
First seen:2023-07-12 10:05:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:D+EGPjdhKmqunAvmV8h82YUwZhJuUKIxFEDSJCdF:6EGhzqunA1Cdhk4o2JCdF
Threatray 2'271 similar samples on MalwareBazaar
TLSH T121350123BABCC5E5FAAD3DF9461453A85A74AE820234E183C14FBEE5E873713C504AD5
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 59dadadcdcdad758 (26 x AgentTesla, 2 x AsyncRAT, 1 x SnakeKeylogger)
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla C2:
http://80.85.153.31/mx/-/inc/533d9051cfbb05.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
293
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
IMG22670163xls.exe
Verdict:
Malicious activity
Analysis date:
2023-07-12 10:06:55 UTC
Tags:
rat agenttesla opendir 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 file in the %AppData% directory
Unauthorized injection to a recently created process
Creating a file
Restart of the analyzed sample
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Reading critical registry keys
Sending an HTTP POST request
Creating a file in the %AppData% subdirectories
Creating a window
Setting a keyboard event handler
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm overlay 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
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Snort IDS alert for network traffic
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1271621 Sample: IMG22670163xls.exe Startdate: 12/07/2023 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic 2->34 36 Found malware configuration 2->36 38 Antivirus / Scanner detection for submitted sample 2->38 40 7 other signatures 2->40 6 Wepatin.exe 5 2->6         started        9 IMG22670163xls.exe 1 5 2->9         started        12 Wepatin.exe 2 2->12         started        process3 file4 42 Antivirus detection for dropped file 6->42 44 Multi AV Scanner detection for dropped file 6->44 46 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->46 48 Machine Learning detection for dropped file 6->48 14 Wepatin.exe 14 7 6->14         started        20 C:\Users\user\AppData\Roaming\Wepatin.exe, PE32 9->20 dropped 22 C:\Users\user\...\Wepatin.exe:Zone.Identifier, ASCII 9->22 dropped 24 C:\Users\user\...\IMG22670163xls.exe.log, ASCII 9->24 dropped 50 May check the online IP address of the machine 9->50 52 Injects a PE file into a foreign processes 9->52 18 IMG22670163xls.exe 15 7 9->18         started        signatures5 process6 dnsIp7 26 api.ipify.org 14->26 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->54 56 Tries to steal Mail credentials (via file / registry access) 14->56 58 Tries to harvest and steal browser information (history, passwords, etc) 14->58 28 80.85.153.31, 49707, 49709, 80 CHELYABINSK-SIGNAL-ASRU Russian Federation 18->28 30 api4.ipify.org 64.185.227.156, 443, 49706, 49708 WEBNXUS United States 18->30 32 api.ipify.org 18->32 60 Installs a global keyboard hook 18->60 signatures8
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-07-12 10:06:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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
AgentTesla
Unpacked files
SH256 hash:
90b3cf66e2a5a3f0ad67885c3205238b4752b1ee01f5754d30e35e1d0dcb6d52
MD5 hash:
ab175b2483805497141a32d0570c806b
SHA1 hash:
be0c70c5098e15648e404ac2bcd41e86de21daba
SH256 hash:
bc7a4575b5963c2d3af3d414414e60ff89dc0f837fb822d04af69d2fca5e05d3
MD5 hash:
ddc77ccd11f632e7fad4dff0c1681c54
SHA1 hash:
a0cfbf87cd9cc4c6bbf3b512420e49861077ec9b
SH256 hash:
d747dd6a015d59bf652f102d3c8a04d29e793523078bcd5668e918fa6772a97c
MD5 hash:
19b488df7550d5af40f93e61ffb74ba1
SHA1 hash:
90e4b38db4dccfb3fccd8fc908a5c071a857defb
SH256 hash:
82c72830d9302db20815daf024e537caa09fe4b0ffbdecbbbf35b151a0e62b62
MD5 hash:
b6b0b10c0c3e07464542afaf9b6a0e6c
SHA1 hash:
87d63c4d6ec2fa0f67a62a73b3b6d9a2294fb93e
Detections:
AgentTeslaXorStringsNet
SH256 hash:
255298b59b2497636c8f2945cdcbf0a0f253d40a6695653208f6488cae8dd05b
MD5 hash:
5a86390ed4a66b80e7b4d136d52a6115
SHA1 hash:
8e9f409fdb4f3f64e94fb45de0e721dbe77d7826
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:AgentTeslaV4
Author:Rony (r0ny_123)
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
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_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.

Comments