MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c581ee5101bbdd7618aaf46c993dfce0b12f96e8ff8efdb3ac46cb6abfc52bf3. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments
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SHA256 hash: c581ee5101bbdd7618aaf46c993dfce0b12f96e8ff8efdb3ac46cb6abfc52bf3
SHA3-384 hash: 073f040e6a210d60ffa11fc6b0804c9500ca43c984a357f630e50bde4e9a482116f69281e475e92e180c85ebde5ba73a
SHA1 hash: 4083caa79787a88e38cf9757cca6b6f5603501e4
MD5 hash: 6a686b0fc9805dacef8bf2ac4dda02b8
humanhash: vegan-montana-three-utah
File name:AWB 20230525.vbs
Download: download sample
Signature AgentTesla
Create hunting rule
File size:296'032 bytes
First seen:2023-05-25 15:21:18 UTC
Last seen:2023-05-25 15:27:21 UTC
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 1536:nJmlZOi1bxqfiFjBG+b7/LrkjkxkZDIm26NZ3LRV0ubIGkikGkFjGkikGkKEt0eT:n+1bxwiFb//vkjkxWfTVJy
Threatray 3'117 similar samples on MalwareBazaar
TLSH T131545442DB9A21C8F3E27A408BBD11283B57B485583F9D5D049CDB3F37EF94498217AA
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Reporter abuse_ch
Tags:AgentTesla vbs

Intelligence

File Origin
# of uploads :
2
# of downloads :
131
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/391710/
Detection(s):
SecuriteInfo.com.Script.SNH-gen.10473.28630.UNOFFICIAL
Create hunting rule

Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
lolbin
Link:
https://www.filescan.io/uploads/646f7d1adf2748f40f3462f2/reports/90573fc3-6ae6-4d01-817a-cf3bc2677f69/overview
Verdict:
Suspicious
Labled as:
VBS/Downloader.acb
Link:
https://www.hybrid-analysis.com/sample/c581ee5101bbdd7618aaf46c993dfce0b12f96e8ff8efdb3ac46cb6abfc52bf3
Result
Verdict:
UNKNOWN
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1242576
Signature
Found malware configuration
Injects a PE file into a foreign processes
May check the online IP address of the machine
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
Suspicious powershell command line found
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)
VBScript performs obfuscated calls to suspicious functions
Very long command line found
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected AgentTesla
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 875586 Sample: AWB_20230525.vbs Startdate: 25/05/2023 Architecture: WINDOWS Score: 100 30 Found malware configuration 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected AgentTesla 2->34 36 2 other signatures 2->36 7 wscript.exe 1 2->7         started        process3 signatures4 38 VBScript performs obfuscated calls to suspicious functions 7->38 40 Suspicious powershell command line found 7->40 42 Wscript starts Powershell (via cmd or directly) 7->42 44 Very long command line found 7->44 10 powershell.exe 14 7 7->10         started        process5 dnsIp6 20 blocexpert.eu 188.212.252.11, 49707, 80 GTSCEGTSCentralEuropeAntelGermanyCZ Romania 10->20 22 192.168.2.1 unknown unknown 10->22 46 Writes to foreign memory regions 10->46 48 Injects a PE file into a foreign processes 10->48 14 AppLaunch.exe 15 2 10->14         started        18 conhost.exe 10->18         started        signatures7 process8 dnsIp9 24 mail.grasscarpet.ae 162.241.224.191, 49709, 587 UNIFIEDLAYER-AS-1US United States 14->24 26 api4.ipify.org 64.185.227.155, 443, 49708 WEBNXUS United States 14->26 28 2 other IPs or domains 14->28 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->50 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->52 54 May check the online IP address of the machine 14->54 56 2 other signatures 14->56 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c581ee5101bbdd7618aaf46c993dfce0b12f96e8ff8efdb3ac46cb6abfc52bf3/
Threat name:
Script-WScript.Trojan.Minerva
Create hunting rule
Status:
Malicious
First seen:
2023-05-25 15:22:05 UTC
File Type:
Text (VBS)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ywa64uibxpoxmgfk6rwjspp44cys7fxi76hp3m5mi3fwvp6ffpzq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
005db23050895f239546d175465a49e57e399c1a880b9f585eebcce477f4e872
AgentTesla
0b6ef2401f66dd90ec0f2222c5316d47dbde2c4502688dad63fdf2c15ebdc9d4
AgentTesla
168a35684463330d195c42fa3a922b6f5f76c1482859249ddedd5db5298a4db8
AgentTesla
1b07cef24d36e5bad35ec6329471bad42b1cfa74fb304d1b855c81882b213b51
AgentTesla
3c72c81670212773e9f2c8057bef5b79663705b99d7136b3528f4fb1346ed77c
AgentTesla
514588821779c53d189b87b776bfc74f63c5901cdd3e007c55c0216eba21d544
AgentTesla
619895c40a57dfdac64997619cb2f7428cf513588d7651b94e00e0641016c07d
AgentTesla
b6e2144718d44a1723211a5172b2827284335df121b4b61df35292cfae73fd88
AgentTesla
bfdc1ff00762627c6a8a95344bf549ea2ed0d63d9c0375584a608201f1b5d84e
AgentTesla
+ 3'107 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230525-srwhysbe7s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Blocklisted process makes network request
AgentTesla
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c581ee5101bb/report/overview.html
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:SUSP_VBS_Wscript_Shell
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects the definition of 'Wscript.Shell' which is often used by Malware, FPs are possible and commmon

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Visual Basic Script (vbs) vbs c581ee5101bbdd7618aaf46c993dfce0b12f96e8ff8efdb3ac46cb6abfc52bf3

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/391710/

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