MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 596b8f738a91b94ef3993e14dde4064f7062dda49fc12926601b20637e1cbc6e. 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: 5


Intelligence 5 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 596b8f738a91b94ef3993e14dde4064f7062dda49fc12926601b20637e1cbc6e
SHA3-384 hash: f46bc355f8ff5300d92e8d382c3a3d96fb5189440b22a325fd3ad11112bb2eb6e44daa112135a290e081842e57a9983a
SHA1 hash: 9990b79e174d5c9d9852fe0d8f1c58b4fd8d5747
MD5 hash: 0a26596952aa7bef983e6acd5888efe2
humanhash: carpet-december-edward-mexico
File name:VESSEL PARTICULARS.doc
Download: download sample
Signature AgentTesla
Create hunting rule
File size:217'774 bytes
First seen:2020-10-28 06:59:44 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 1536:9qZMKTHjinpTvJErVq2qoeWeuRQOHjgit+3Bjy6mAgaeeVhMDw5wfLu:9qTraRDAw5wf6
TLSH 0A2454B831874865E749C9165168796D0AF1F2E374C54CB123EFE430DFA5FE1AF88286
Reporter cocaman
Tags:AgentTesla doc


Avatar
cocaman
Malicious email (T1566.001)
From: "ROXANA SHIPPING SA <hchartering@roxanashipping.com>"
Received: "from roxanashipping.com (unknown [88.218.16.194]) "
Date: "28 Oct 2020 07:31:20 +0100"
Subject: "EPDA & PORT INFO REQUEST"
Attachment: "VESSEL PARTICULARS.doc"

Intelligence

File Origin
# of uploads :
1
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
MiscreantPunch.EvilRTF.CommonLure.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXSTRGOOD.RTFSTR.SCRIPTLET.200421.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a process from a recently created file
Sending an HTTP GET request
Launching a file downloaded from the Internet
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/514569
Signature
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Contains functionality to register a low level keyboard hook
Creates an undocumented autostart registry key
Document exploit detected (creates forbidden files)
Document exploit detected (drops PE files)
Document exploit detected (process start blacklist hit)
Found suspicious RTF objects
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Injects files into Windows application
Installs a global keyboard hook
Machine Learning detection for dropped file
May check the online IP address of the machine
Microsoft Office creates scripting files
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Office process drops PE file
Powershell drops PE file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Microsoft Office Product Spawning Windows Shell
Sigma detected: Powershell download and execute file
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to download and execute files (via powershell)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 306400 Sample: VESSEL PARTICULARS.doc Startdate: 28/10/2020 Architecture: WINDOWS Score: 100 51 Antivirus detection for URL or domain 2->51 53 Sigma detected: Powershell download and execute file 2->53 55 Multi AV Scanner detection for dropped file 2->55 57 13 other signatures 2->57 8 WINWORD.EXE 305 44 2->8         started        process3 file4 35 C:\Users\user\AppData\Local\...\jojoc[1].exe, PE32 8->35 dropped 37 C:\Users\user\AppData\Local\...\FLDA87.tmp, 370 8->37 dropped 39 C:\Users\user\AppData\Local\...\8B50EB4C.png, 370 8->39 dropped 81 Document exploit detected (creates forbidden files) 8->81 83 Suspicious powershell command line found 8->83 85 Tries to download and execute files (via powershell) 8->85 87 3 other signatures 8->87 12 powershell.exe 7 8->12         started        14 powershell.exe 7 8->14         started        17 powershell.exe 12 7 8->17         started        21 3 other processes 8->21 signatures5 process6 dnsIp7 23 chrome.exe 1 2 12->23         started        41 C:\Users\user\AppData\Roaming\chrome.exe, PE32 14->41 dropped 27 chrome.exe 1 5 14->27         started        43 88.218.16.151, 49167, 49168, 49169 SERVERIUS-ASNL United Kingdom 17->43 59 Suspicious powershell command line found 17->59 61 Tries to download and execute files (via powershell) 17->61 63 Powershell drops PE file 17->63 65 Injects files into Windows application 21->65 file8 signatures9 process10 file11 33 C:\Users\user\AppData\...h1WlBm8ylAR.exe, PE32 23->33 dropped 67 Creates an undocumented autostart registry key 23->67 69 Hides that the sample has been downloaded from the Internet (zone.identifier) 23->69 71 Injects a PE file into a foreign processes 23->71 29 chrome.exe 12 4 23->29         started        73 Multi AV Scanner detection for dropped file 27->73 75 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 27->75 77 Machine Learning detection for dropped file 27->77 79 2 other signatures 27->79 signatures12 process13 dnsIp14 45 elb097307-934924932.us-east-1.elb.amazonaws.com 23.21.252.4, 443, 49170 AMAZON-AESUS United States 29->45 47 nagano-19599.herokussl.com 29->47 49 api.ipify.org 29->49 89 Tries to steal Mail credentials (via file access) 29->89 91 Tries to harvest and steal browser information (history, passwords, etc) 29->91 93 Installs a global keyboard hook 29->93 signatures15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/596b8f738a91b94ef3993e14dde4064f7062dda49fc12926601b20637e1cbc6e/
Threat name:
Script-VBS.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2020-10-27 05:45:57 UTC
File Type:
Document
Extracted files:
9
AV detection:
13 of 48 (27.08%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence spyware
Link:
https://tria.ge/reports/201028-rs8pgdp3mn/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Modifies registry class
NTFS ADS
Office loads VBA resources, possible macro or embedded object present
Suspicious use of SetThreadContext
Looks up external IP address via web service
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Blacklisted process makes network request
Executes dropped EXE
Modifies WinLogon for persistence
Process spawned unexpected child process
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/596b8f738a91b94ef3993e14dde4064f7062dda49fc12926601b20637e1cbc6e

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:Email_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Retefe
Create hunting rule
Author:bartblaze
Description:Retefe
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:UAC_bypass_bin_mem
Create hunting rule
Author:James_inthe_box
Description:UAC bypass in files like avemaria

File information

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

Malspam

AgentTesla

Word file doc 596b8f738a91b94ef3993e14dde4064f7062dda49fc12926601b20637e1cbc6e

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments