MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55f47949fa46a7652f50e310846d3a98711dd942ce021cbf68f57bf69e858d2a. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 55f47949fa46a7652f50e310846d3a98711dd942ce021cbf68f57bf69e858d2a
SHA3-384 hash: 915d45b7776e21b06d039d2285d4ef113665e3acb345564f84d355829f053d034b71947233d8b316d903bb1e9879ebb0
SHA1 hash: 31308aa331c824e3b0e3eb4195bab277cc0a7165
MD5 hash: 5b48256f7492a6f835d462d700719eab
humanhash: violet-sink-neptune-paris
File name:DC9089432.vbs
Download: download sample
Signature AgentTesla
Create hunting rule
File size:638'374 bytes
First seen:2023-07-25 17:59:36 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 6144:Zn+2Mxzak5pA0BflUXjnlIzzy0Vx1ZsMqhw:JMxzak5pA0BflUXjnlIny0Vx1ZsMqhw
Threatray 5'240 similar samples on MalwareBazaar
TLSH T1E4D4E5013EEF500876B3BE895BE954984F7B75620E3EC449304E160E17EBD90EDA1F6A
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Reporter abuse_ch
Tags:AgentTesla vbs


Avatar
abuse_ch
AgentTesla FTP exfil server:
mail.hermosanairobi.com:26

Intelligence

File Origin
# of uploads :
1
# of downloads :
112
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/432928/
Detection(s):
SecuriteInfo.com.VB.Trojan.Valyria.8362.3158.9034.UNOFFICIAL
Create hunting rule

Gathering data
Verdict:
Malicious
Labled as:
Valyria
Link:
https://www.hybrid-analysis.com/sample/55f47949fa46a7652f50e310846d3a98711dd942ce021cbf68f57bf69e858d2a
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1279572
Signature
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
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)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
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: 1279572 Sample: DC9089432.vbs Startdate: 25/07/2023 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected AgentTesla 2->49 51 2 other signatures 2->51 7 wscript.exe 1 2->7         started        process3 signatures4 53 VBScript performs obfuscated calls to suspicious functions 7->53 55 Suspicious powershell command line found 7->55 57 Wscript starts Powershell (via cmd or directly) 7->57 59 Very long command line found 7->59 10 powershell.exe 14 7 7->10         started        13 cmd.exe 1 7->13         started        process5 signatures6 61 Writes to foreign memory regions 10->61 63 Injects a PE file into a foreign processes 10->63 15 ilasm.exe 2 10->15         started        19 ilasm.exe 10->19         started        21 conhost.exe 10->21         started        65 Wscript starts Powershell (via cmd or directly) 13->65 67 Uses ping.exe to sleep 13->67 69 Uses ping.exe to check the status of other devices and networks 13->69 23 powershell.exe 7 13->23         started        25 PING.EXE 1 13->25         started        27 conhost.exe 13->27         started        process7 dnsIp8 29 hermosanairobi.com 192.81.170.3, 26, 49706 AS-UPTIMECA Canada 15->29 31 mail.hermosanairobi.com 15->31 35 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->35 37 Tries to steal Mail credentials (via file / registry access) 15->37 39 Tries to harvest and steal browser information (history, passwords, etc) 15->39 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->41 43 Found suspicious powershell code related to unpacking or dynamic code loading 23->43 33 127.0.0.1 unknown unknown 25->33 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/55f47949fa46a7652f50e310846d3a98711dd942ce021cbf68f57bf69e858d2a/
Threat name:
Script-WScript.Trojan.Minerva
Create hunting rule
Status:
Malicious
First seen:
2023-07-25 13:34:07 UTC
File Type:
Text (VBS)
AV detection:
12 of 23 (52.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kx2hssp2i2twkl2q4miii3j2tbyr3wkczybbzp3i6v57nhufruva._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
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AgentTesla
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2ef96a32a575cbef0ac72b1e301112e6f82cab710167ef70a7bc0b77fda1f457
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3b4d2193bb4a864857c7ae8d11fbd20330001acf138f81c774dc7ce1e3363ed7
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7f73414d21980b495d97a9624c62e42e9fe12c98077ca9159fcf68a7b5bbca2b
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9ac450469f799b251dcce509fdfc745181abeaf21f02d1495056f53f4c93e517
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b193ccd7335c6ff72974c4473c7848b1a917ad0842f752752d921b2e63e90236
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cd45acb8d6995389a4667133e25d150f6f62e5dac5bed0f6f043d40bb59488d4
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d154784bed48b36890a816c7d508b317dbc6b506c5c5726389611b9e142c020d
AgentTesla
e42328227b486a20674f9f12575df0a2bc3cab93a0030aa91c217c97ef56063c
AgentTesla
+ 5'230 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection
Link:
https://tria.ge/reports/230725-wlbhdafc7w/
Behaviour
Runs ping.exe
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
Checks computer location settings
Drops startup file
Blocklisted process makes network request
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/55f47949fa46/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/55f47949fa46a7652f50e310846d3a98711dd942ce021cbf68f57bf69e858d2a

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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 55f47949fa46a7652f50e310846d3a98711dd942ce021cbf68f57bf69e858d2a

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/432928/

Comments