MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55663c784f8169f3bc9e39edaff528b5bfe6ab18677f9e4cb556965e25cf6a77. 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 4 File information Comments

SHA256 hash: 55663c784f8169f3bc9e39edaff528b5bfe6ab18677f9e4cb556965e25cf6a77
SHA3-384 hash: d80a11021bb9d2dbf10af6fc11aaadd72e1442eb1e781c74a13a6ff9ea7bac608e55ee6cca95c74ac6cdf4ad45acfdf2
SHA1 hash: 61e649a68af2b0e2f2d1a55111e87f76e54831c9
MD5 hash: e8ad158ef8ff001eda6709f6cc2a1889
humanhash: cat-delaware-cardinal-tennis
File name:SecuriteInfo.com.W32.MSIL_Agent.GIL.gen.Eldorado.30277.9800
Download: download sample
Signature AgentTesla
File size:6'144 bytes
First seen:2023-09-13 10:35:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 96:hqpgsCcu0o92YjtXewtJYNR4XS8XCs70zOlsDBzNt:Apxto92otXnkulCbzPDD
Threatray 5'664 similar samples on MalwareBazaar
TLSH T1CBC1C50597889333D86A4B72ACF3C74082B8E7A59C46EF1F7CC8591B6C473944A63B75
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 SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
304
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
SecuriteInfo.com.W32.MSIL_Agent.GIL.gen.Eldorado.30277.9800
Verdict:
Malicious activity
Analysis date:
2023-09-13 10:40:16 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
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
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
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Creates multiple autostart registry keys
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1308249 Sample: SecuriteInfo.com.W32.MSIL_A... Startdate: 14/09/2023 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic 2->50 52 Found malware configuration 2->52 54 Antivirus / Scanner detection for submitted sample 2->54 56 7 other signatures 2->56 6 SecuriteInfo.com.W32.MSIL_Agent.GIL.gen.Eldorado.30277.9800.exe 16 5 2->6         started        11 Gsrilaasn.exe 14 5 2->11         started        13 Gsrilaasn.exe 2->13         started        15 2 other processes 2->15 process3 dnsIp4 46 qu.ax 92.118.112.119, 443, 49712, 49715 GUDAEV-ASRU Russian Federation 6->46 32 C:\Users\user\AppData\Roamingbehaviorgraphsrilaasn.exe, PE32 6->32 dropped 72 Creates multiple autostart registry keys 6->72 74 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 6->74 76 Writes to foreign memory regions 6->76 17 aspnet_compiler.exe 16 4 6->17         started        78 Antivirus detection for dropped file 11->78 80 Multi AV Scanner detection for dropped file 11->80 82 Machine Learning detection for dropped file 11->82 22 aspnet_compiler.exe 3 11->22         started        48 92.118.112.15, 443, 49741 GUDAEV-ASRU Russian Federation 13->48 84 Allocates memory in foreign processes 13->84 86 Injects a PE file into a foreign processes 13->86 24 aspnet_compiler.exe 13->24         started        26 conhost.exe 15->26         started        28 conhost.exe 15->28         started        file5 signatures6 process7 dnsIp8 34 mail.asiaparadisehotel.com 112.213.92.100, 49714, 49717, 49747 SUPERDATA-AS-VNSUPERDATA-VN Viet Nam 17->34 36 api4.ipify.org 104.237.62.212, 443, 49713, 49745 WEBNXUS United States 17->36 38 api.ipify.org 17->38 30 C:\Users\user\AppData\Roaming\...\My App.exe, PE32 17->30 dropped 58 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->58 60 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->60 62 May check the online IP address of the machine 17->62 64 Creates multiple autostart registry keys 17->64 40 64.185.227.156, 443, 49716 WEBNXUS United States 22->40 42 api.ipify.org 22->42 44 api.ipify.org 24->44 66 Tries to steal Mail credentials (via file / registry access) 24->66 68 Tries to harvest and steal browser information (history, passwords, etc) 24->68 70 Hides that the sample has been downloaded from the Internet (zone.identifier) 24->70 file9 signatures10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-09-13 08:16:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
17 of 24 (70.83%)
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 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
AgentTesla
Unpacked files
SH256 hash:
55663c784f8169f3bc9e39edaff528b5bfe6ab18677f9e4cb556965e25cf6a77
MD5 hash:
e8ad158ef8ff001eda6709f6cc2a1889
SHA1 hash:
61e649a68af2b0e2f2d1a55111e87f76e54831c9
Detections:
PureCrypter_Stage1
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.

Comments