MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8d6a32dc06b0e08678bd9af10376bc956d147378d7094dc6d540b54cc84bc00. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: b8d6a32dc06b0e08678bd9af10376bc956d147378d7094dc6d540b54cc84bc00
SHA3-384 hash: 30757c73e0c3edc7d89c0824b958297735cb2ff13f67235e8bd16958d596f2fdc13b74c31c4f18dd00482066fc42d6c3
SHA1 hash: 067e05c7b4b56aacf883ff7f3749e727455ce5fc
MD5 hash: 9e4b1003c4e4aef3a45f0c978e3513cb
humanhash: fourteen-carbon-fanta-montana
File name:b8d6a32dc06b0e08678bd9af10376bc956d147378d7094dc6d540b54cc84bc00
Download: download sample
Signature AgentTesla
File size:839'168 bytes
First seen:2023-09-06 13:27:39 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 12288:7PuGt/N1x7+BOpxolFPaXO2+8PifsI3uy4vigXXMIu2ZIlNiC2iM3o/7YNvc:7Puc/PHSP+O2niEktNw8IJ3oDGE
Threatray 5'620 similar samples on MalwareBazaar
TLSH T17E05B403BA47C9B2C66827BAC5AB0C2407B5D5C17213F71B794E235948437BA6F4DE2B
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 adrian__luca
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
283
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
b8d6a32dc06b0e08678bd9af10376bc956d147378d7094dc6d540b54cc84bc00
Verdict:
Malicious activity
Analysis date:
2023-09-06 13:28:29 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
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
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
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
Found malware configuration
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 signatures2 2 Behavior Graph ID: 1304368 Sample: 08CfrIFNx0.exe Startdate: 06/09/2023 Architecture: WINDOWS Score: 100 59 Snort IDS alert for network traffic 2->59 61 Found malware configuration 2->61 63 Multi AV Scanner detection for submitted file 2->63 65 6 other signatures 2->65 6 08CfrIFNx0.exe 16 5 2->6         started        11 Uecjuojeyu.exe 14 5 2->11         started        13 Uecjuojeyu.exe 4 2->13         started        process3 dnsIp4 33 files.catbox.moe 108.181.20.35, 443, 49725, 49728 ASN852CA Canada 6->33 31 C:\Users\user\AppData\...\Uecjuojeyu.exe, PE32 6->31 dropped 67 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 6->67 69 Writes to foreign memory regions 6->69 71 Injects a PE file into a foreign processes 6->71 15 MSBuild.exe 14 2 6->15         started        19 MSBuild.exe 6->19         started        21 MSBuild.exe 6->21         started        73 Multi AV Scanner detection for dropped file 11->73 75 Machine Learning detection for dropped file 11->75 23 MSBuild.exe 11->23         started        25 MSBuild.exe 11->25         started        27 MSBuild.exe 13->27         started        29 MSBuild.exe 13->29         started        file5 signatures6 process7 dnsIp8 35 webmail.ultra.aqfoam.com 103.6.198.192, 49727, 49734, 49742 EXABYTES-AS-APExaBytesNetworkSdnBhdMY Malaysia 15->35 37 api4.ipify.org 64.185.227.156, 443, 49726 WEBNXUS United States 15->37 39 api.ipify.org 15->39 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->49 51 May check the online IP address of the machine 19->51 41 104.237.62.212, 443, 49733 WEBNXUS United States 23->41 43 api.ipify.org 23->43 45 173.231.16.76, 443, 49740 WEBNXUS United States 27->45 47 2 other IPs or domains 27->47 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 27->53 55 Tries to steal Mail credentials (via file / registry access) 27->55 57 Tries to harvest and steal browser information (history, passwords, etc) 27->57 signatures9
Threat name:
ByteCode-MSIL.Trojan.Leonem
Status:
Malicious
First seen:
2023-08-29 02:03:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
19 of 24 (79.17%)
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:
b8d6a32dc06b0e08678bd9af10376bc956d147378d7094dc6d540b54cc84bc00
MD5 hash:
9e4b1003c4e4aef3a45f0c978e3513cb
SHA1 hash:
067e05c7b4b56aacf883ff7f3749e727455ce5fc
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