MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2c37a2e69e921672a2a9a14b9af4def2a610518cdfcab485bd7cb6bbbd7e2980. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
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SHA256 hash: 2c37a2e69e921672a2a9a14b9af4def2a610518cdfcab485bd7cb6bbbd7e2980
SHA3-384 hash: 2cfd068f7e007711e24e469964effe19f67d5c5b81005c93dca8a17d2a6eeccbf79a99848f8c8b2f6020197a6e475f70
SHA1 hash: 109048455324c612b3486e99a7a16ce538b89cae
MD5 hash: 88ef1666b70498199bf884c69deb3462
humanhash: earth-oklahoma-freddie-oranges
File name:casssVbsforexpOnline.vbs
Download: download sample
Signature AgentTesla
Create hunting rule
File size:423'320 bytes
First seen:2023-07-05 13:22:49 UTC
Last seen:2023-07-05 16:04:13 UTC
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 1536:69OJNc06jjQ2jj8SmoqaQJDtApa16UosDrQuEEajjjj1AJ+TsT5nynoRaBTATCT4:69OJy/kaBTATCTvsvtXaCq0
Threatray 4'472 similar samples on MalwareBazaar
TLSH T1AF945213749AECC9B1E17A23039FF5F90FFBB2E1162E419961EC430686D195C8E949E3
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Reporter malwarelabnet
Tags:AgentTesla vbs

Intelligence

File Origin
# of uploads :
2
# of downloads :
140
Origin country :
CA CA
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/407719/
Detection(s):
SecuriteInfo.com.GT.VB.ObfDldr.1.A7313972.23445.12951.UNOFFICIAL
Create hunting rule

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/64a56eb89d2b91874b443847/reports/31b0acfa-f7d3-465d-a4e2-e53b48b832b0/overview
Verdict:
Malicious
Labled as:
GT:VB.ObfDldr.1
Link:
https://www.hybrid-analysis.com/sample/2c37a2e69e921672a2a9a14b9af4def2a610518cdfcab485bd7cb6bbbd7e2980
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/1267468
Signature
Antivirus detection for URL or domain
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
Snort IDS alert for network traffic
Suspicious powershell command line found
Tries to harvest and steal browser information (history, 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: 1267468 Sample: casssVbsforexpOnline.vbs Startdate: 05/07/2023 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 5 other signatures 2->42 8 wscript.exe 1 2->8         started        process3 dnsIp4 26 192.168.2.1 unknown unknown 8->26 50 VBScript performs obfuscated calls to suspicious functions 8->50 52 Suspicious powershell command line found 8->52 54 Wscript starts Powershell (via cmd or directly) 8->54 12 powershell.exe 7 8->12         started        signatures5 process6 signatures7 56 Suspicious powershell command line found 12->56 58 Found suspicious powershell code related to unpacking or dynamic code loading 12->58 15 powershell.exe 14 15 12->15         started        19 conhost.exe 12->19         started        process8 dnsIp9 28 cryptersandtools.minhacasa.tv 186.210.128.242, 49697, 80 ALGARTELECOMSABR Brazil 15->28 30 195.178.120.24, 49698, 80 HEXAGLOBE-ASFR unknown 15->30 32 Writes to foreign memory regions 15->32 34 Injects a PE file into a foreign processes 15->34 21 RegAsm.exe 2 15->21         started        24 RegAsm.exe 15->24         started        signatures10 process11 signatures12 44 Tries to steal Mail credentials (via file / registry access) 21->44 46 Tries to harvest and steal browser information (history, passwords, etc) 21->46 48 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 24->48
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2c37a2e69e921672a2a9a14b9af4def2a610518cdfcab485bd7cb6bbbd7e2980/
Threat name:
Script-WScript.Downloader.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2023-07-05 13:23:06 UTC
File Type:
Text (VBS)
AV detection:
5 of 24 (20.83%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fq32fzu6silhfivjuffzv5g66ktbaumm37fljbn5ps3lxpl6fgaa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1a6889803b766ce102a10973126f946e3618a0f80c1cee6d902304d2ffae06c5
AgentTesla
38b7e813402447704258ca274ea142fc05f52da70913bbd3d31392a855287f8e
AgentTesla
511bd4f1051444242dda8ae6df80720106a6b4d60eab89658baffb142affe730
AgentTesla
54b8c91ae0485d795f9821b01eb839bd682aee18df6a0b54d14d6eb2a2c0e83d
AgentTesla
816dcc8bb5070ed2db687bdb064a383c946c8183f5e0c089f2453653be8a3086
AgentTesla
b8aa2fc67d0bcc2e13632e68773ea7d7264e77d1798c6bf1eb8b1c8e9ae41df2
AgentTesla
f32fa75689c2875fc313105007b2b9ca1080cb75de4da9b58f2e3ccdb178ac1d
AgentTesla
+ 4'462 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/230705-qmsv6aeb31/
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
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Blocklisted process makes network request
AgentTesla
Malware Config
Dropper Extraction:
http://cryptersandtools.minhacasa.tv/e/e
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2c37a2e69e92/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/2c37a2e69e921672a2a9a14b9af4def2a610518cdfcab485bd7cb6bbbd7e2980

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:MSIL_SUSP_OBFUSC_XorStringsNet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
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.

Web download

AgentTesla

Visual Basic Script (vbs) vbs 2c37a2e69e921672a2a9a14b9af4def2a610518cdfcab485bd7cb6bbbd7e2980

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/407719/
  
URLhaus
https://urlhaus.abuse.ch/url/2677009/
  
Delivery method
Distributed via web download

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