MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 63ff2048431b0b07082efac82b0df98fc58b00af04df325ea8a50b81c0110a95. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 63ff2048431b0b07082efac82b0df98fc58b00af04df325ea8a50b81c0110a95
SHA3-384 hash: ae05ddc62755df9695a71716b7eeab1d3e3b5af7856c7ec5ce218987a01a4b1c801899acc2f5d1a9112e6b93a7e4eb62
SHA1 hash: e6b2b3bbbfac914fe3695c2d663b5f91af0c4c8e
MD5 hash: 34c93bec02c4bc6e4905d69c67e469a9
humanhash: nuts-fillet-green-sixteen
File name:Transfer.vbs
Download: download sample
Signature AgentTesla
Create hunting rule
File size:298'826 bytes
First seen:2023-06-23 11:30:43 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 6144:GyyyyyG0cKBAfeSaWmymvCmGm80amvmjCzeyyyyy5yyyyy3yyyyysyyyyyhyyyy/:GyyyyyG0cKBAfeSaWmymvCmGm80amvme
Threatray 3'799 similar samples on MalwareBazaar
TLSH T11354BE0366EA4DC8B2F26A076A7744B54BF3BDA5693DC54C50CC190E0BE7A1C8D52BE3
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Reporter lowmal3
Tags:AgentTesla vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
128
Origin country :
DE DE
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/402145/
Detection(s):
SecuriteInfo.com.VBS.Obfus-101.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.JS.Obfus-2314.UNOFFICIAL
Create hunting rule

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/649582775012c41b6e66989e/reports/c6faaaeb-1954-42e1-93b7-24d704b7ec64/overview
Verdict:
Malicious
Link:
https://www.hybrid-analysis.com/sample/63ff2048431b0b07082efac82b0df98fc58b00af04df325ea8a50b81c0110a95
Result
Verdict:
UNKNOWN
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1260397
Signature
Bypasses PowerShell execution policy
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
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: RegAsm connects to smtp port
Snort IDS alert for network traffic
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
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: 893415 Sample: Transfer.vbs Startdate: 23/06/2023 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 5 other signatures 2->43 7 wscript.exe 2 2->7         started        process3 file4 23 GAACHsGMWGSvgQOQWJ...ZSGXJHoMEAEDcLX.ps1, ASCII 7->23 dropped 45 VBScript performs obfuscated calls to suspicious functions 7->45 47 Wscript starts Powershell (via cmd or directly) 7->47 49 Bypasses PowerShell execution policy 7->49 11 powershell.exe 14 13 7->11         started        signatures5 process6 dnsIp7 25 ftpserver.winconnection.net 189.41.253.108, 49697, 80 ALGARTELECOMSABR Brazil 11->25 51 Writes to foreign memory regions 11->51 53 Found suspicious powershell code related to unpacking or dynamic code loading 11->53 55 Injects a PE file into a foreign processes 11->55 15 RegAsm.exe 2 11->15         started        19 RegAsm.exe 11->19         started        21 conhost.exe 11->21         started        signatures8 process9 dnsIp10 27 mail.grasscarpet.ae 162.241.224.191, 49699, 587 UNIFIEDLAYER-AS-1US United States 15->27 29 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->29 31 Tries to steal Mail credentials (via file / registry access) 15->31 33 Tries to harvest and steal browser information (history, passwords, etc) 15->33 35 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->35 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/63ff2048431b0b07082efac82b0df98fc58b00af04df325ea8a50b81c0110a95/
Threat name:
Script-WScript.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-06-23 09:46:31 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=mp7sascddmfqocbo7lecwdpzr7cywafpatptexviuufydqarbkkq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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6234c83cf8e46f8e09fed9cbf0456be735dc8640c2df0ee4734b7fa730e0b8eb
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73548862188e8c725343fd2453085ea5e8ad1b78649ac1d6d0e7df9bf308f8ce
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7474c59e2ced7b554bc03a190b33690f640a8f415b38fe21e2caa0a7a33215c9
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93bd0a081feb2e1576bbf84b672e120981ad2cf3f5017db7942959f9959f5066
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cdb463c9aeff4b1d0090647e3baa27f32360301b0be912489f2b32e1f469650e
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d9577a11fb93cf09c220f70d087e55eb4c7c5fed0537aebd8013e7e01a8d5d15
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e75e7b4f4db640c54deb092dd373afa2b692a2078461cd0193e2b54b84c8250c
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ef30052ac363410d23b70490792ef58d8cb48be9803141003bd5b732ae2d4a31
AgentTesla
+ 3'789 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230623-nmp36afg3w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Blocklisted process makes network request
AgentTesla
Malware Config
Dropper Extraction:
http://ftpserver.winconnection.net/e/e
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/63ff2048431b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/63ff2048431b0b07082efac82b0df98fc58b00af04df325ea8a50b81c0110a95

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 63ff2048431b0b07082efac82b0df98fc58b00af04df325ea8a50b81c0110a95

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/402145/

Comments