MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 89a8ccb4d73a02229bd820fa4b289867b15d907b6b8ebd7f50143a11b1df09ff. 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: 89a8ccb4d73a02229bd820fa4b289867b15d907b6b8ebd7f50143a11b1df09ff
SHA3-384 hash: 85b7215f8a1b82503ae256ad30079acf0e5a64993dfe5db7425a544144072df102fb13829a6183257849c487b56183ce
SHA1 hash: 6da2ae841b4f70c791d8e85c3c019c79a3a80a60
MD5 hash: 317d498520499df866d1fb1f6564125f
humanhash: mountain-angel-cardinal-winter
File name:comprobante##.pdf.vbs
Download: download sample
Signature AgentTesla
Create hunting rule
File size:236'566 bytes
First seen:2023-10-26 07:01:27 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 6144:klyLLLLLRLLLLLZ8FAFIF6LLLLL5FpFDF2LLLLL5FTFULLLLL5FLFPFtF7LLLLL1:kl8
Threatray 151 similar samples on MalwareBazaar
TLSH T18A341B502AEF504CB2B3BF631FD879E94E6FF7663A5B50596050034B8A52F44CFA2A31
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 :
1
# of downloads :
115
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/456450/
Detection(s):
SecuriteInfo.com.Script.SNH-gen.30008.16739.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
88%
Tags:
masquerade powershell
Link:
https://www.filescan.io/uploads/653a0ef4bc703e36b08e1172/reports/689e714b-5fcd-4700-ab65-90a66486c2bb/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/89a8ccb4d73a02229bd820fa4b289867b15d907b6b8ebd7f50143a11b1df09ff
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1332436
Signature
Antivirus detection for URL or domain
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 domain / URL
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: Powershell download and load assembly
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
VBScript performs obfuscated calls to suspicious functions
Very long command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected AgentTesla
Yara detected Generic Downloader
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1332436 Sample: comprobante##.pdf.vbs Startdate: 26/10/2023 Architecture: WINDOWS Score: 100 26 uploaddeimagens.com.br 2->26 36 Multi AV Scanner detection for domain / URL 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 7 other signatures 2->42 9 wscript.exe 1 2->9         started        signatures3 process4 signatures5 50 VBScript performs obfuscated calls to suspicious functions 9->50 52 Suspicious powershell command line found 9->52 54 Wscript starts Powershell (via cmd or directly) 9->54 56 3 other signatures 9->56 12 powershell.exe 7 9->12         started        process6 signatures7 58 Suspicious powershell command line found 12->58 60 Found suspicious powershell code related to unpacking or dynamic code loading 12->60 15 powershell.exe 14 7 12->15         started        19 conhost.exe 12->19         started        process8 dnsIp9 28 uploaddeimagens.com.br 104.21.45.138, 443, 49714 CLOUDFLARENETUS United States 15->28 30 193.42.33.121, 49715, 80 EENET-ASEE Germany 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
Score:
100%
Verdict:
Malware
File Type:
ASCII
Link:
https://malprob.io/report/89a8ccb4d73a02229bd820fa4b289867b15d907b6b8ebd7f50143a11b1df09ff
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/89a8ccb4d73a02229bd820fa4b289867b15d907b6b8ebd7f50143a11b1df09ff/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-10-23 21:28:13 UTC
File Type:
Text (VBS)
AV detection:
2 of 38 (5.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rgumzngxhibcfg6yed5ewkeym6yv3ed3nohl272qcq5bdmo7bh7q._file
Verdict:
malicious
Similar samples:
0972105c3cb2d74e7cb3f00ddcc6cc96089524d5625b62f71e27d5857c6eba40
AgentTesla
493e3d54159cd3ebde6aa0b5216ddcb14863b4b064bb80c654353838926d191d
AgentTesla
5dde21be9d6b2fffde1eeab3dd6fc370bf6c47f047d9dc7e16c5e9f0ead13b96
AgentTesla
870cab3485ccd3044de362a787d27fde60667472fbe196541ba19e658fef57ae
AgentTesla
9d3b52ca879885a78c6877c9ef71c18fd7584ab7f1aa94e6154edf5fb1d553f9
AgentTesla
a733065ba4e8987727892b1c9ff5e562624385b175ed2e80af74c1fc4579bd58
AgentTesla
d52275a861a9396629e78edca76c3b3cec55980115feadfd0e93ca9c400bbffa
AgentTesla
d8237144bdf583bd62c89733eb04397c906d68f072ab35d379917482a7178782
AgentTesla
fd49c53f3fb8010f2404e4bf823bba0e9055052d4269c5299230225162b1a2e8
AgentTesla
+ 141 additional samples on MalwareBazaar
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:zgrat rat
Link:
https://tria.ge/reports/231026-htsvqseg5x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Blocklisted process makes network request
Detect ZGRat V1
ZGRat
Malware Config
Dropper Extraction:
https://uploaddeimagens.com.br/images/004/644/749/original/new_image.jpg?1698084523
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/89a8ccb4d73a/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.

Cape
Cape
https://www.capesandbox.com/analysis/456450/

Comments