MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 115b55acaffb20f7d3e7edd5292f4569b295683e2ad454088cc35eebd6492b87. 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 3 File information Comments

SHA256 hash: 115b55acaffb20f7d3e7edd5292f4569b295683e2ad454088cc35eebd6492b87
SHA3-384 hash: 2243766bd7c12832b500573d9cce85e77e67285356f5223f97e015c00332b3d2558959dc7577e62fa19a97048e50e24e
SHA1 hash: 4b4f0d658d85ae74a031356014ca69a82508052c
MD5 hash: beec5ec2f2de6d27d3dd8856284d57c4
humanhash: december-chicken-stairway-sixteen
File name:SecuriteInfo.com.Win32.PWSX-gen.17862.29718
Download: download sample
Signature AgentTesla
File size:834'048 bytes
First seen:2023-08-29 05:29:44 UTC
Last seen:2023-09-04 09:21:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:xd3do3rsI7owA4LxCcFqVNrqzdtfOwOq4UuX+iCr9f14:xd3do3rsIMwzxCcFWSdtfOwOq4v+96
Threatray 5'631 similar samples on MalwareBazaar
TLSH T11B057403BA4786E2C148177AC59B0E3613A5D7816633F71A794E337948437BE6ECDA0B
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
287
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.17862.29718
Verdict:
Malicious activity
Analysis date:
2023-08-29 05:32:05 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
Creating a window
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
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin 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:
spre.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
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
Sigma detected: MSBuild connects to smtp port
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 AntiVM3
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1299130 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 29/08/2023 Architecture: WINDOWS Score: 100 37 mail.exceltruea.com 2->37 39 files.catbox.moe 2->39 41 2 other IPs or domains 2->41 49 Snort IDS alert for network traffic 2->49 51 Found malware configuration 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 8 other signatures 2->55 7 SecuriteInfo.com.Win32.PWSX-gen.17862.29718.exe 16 5 2->7         started        12 Gqhjgsbb.exe 14 5 2->12         started        14 Gqhjgsbb.exe 2->14         started        16 2 other processes 2->16 signatures3 process4 dnsIp5 47 files.catbox.moe 108.181.20.35, 443, 49759, 49767 ASN852CA Canada 7->47 35 C:\Users\user\AppData\Roamingbehaviorgraphqhjgsbb.exe, PE32 7->35 dropped 69 Creates multiple autostart registry keys 7->69 71 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->71 73 Writes to foreign memory regions 7->73 18 MSBuild.exe 16 4 7->18         started        75 Multi AV Scanner detection for dropped file 12->75 77 Machine Learning detection for dropped file 12->77 79 Injects a PE file into a foreign processes 12->79 23 MSBuild.exe 12->23         started        25 MSBuild.exe 14->25         started        27 MSBuild.exe 14->27         started        29 conhost.exe 16->29         started        31 conhost.exe 16->31         started        file6 signatures7 process8 dnsIp9 43 api4.ipify.org 173.231.16.76, 443, 49762, 49769 WEBNXUS United States 18->43 45 mail.exceltruea.com 162.241.27.28, 49765, 49770, 49772 UNIFIEDLAYER-AS-1US United States 18->45 33 C:\Users\user\AppData\Roaming\...\wSStSI.exe, PE32 18->33 dropped 57 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->57 59 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->59 61 Tries to steal Mail credentials (via file / registry access) 18->61 63 Creates multiple autostart registry keys 18->63 65 Tries to harvest and steal browser information (history, passwords, etc) 25->65 67 Hides that the sample has been downloaded from the Internet (zone.identifier) 25->67 file10 signatures11
Threat name:
ByteCode-MSIL.Backdoor.Agentagen
Status:
Malicious
First seen:
2023-08-29 03:00:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
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
AgentTesla
Unpacked files
SH256 hash:
115b55acaffb20f7d3e7edd5292f4569b295683e2ad454088cc35eebd6492b87
MD5 hash:
beec5ec2f2de6d27d3dd8856284d57c4
SHA1 hash:
4b4f0d658d85ae74a031356014ca69a82508052c
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_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