MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 72a959105f9b0f7974ea6c2c73a211ec87e6eb78bb4723a1051832bda7307709. 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: 6


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

SHA256 hash: 72a959105f9b0f7974ea6c2c73a211ec87e6eb78bb4723a1051832bda7307709
SHA3-384 hash: c54eab7880c67422ae1d6b2f432d0cde6544f0189a0ac766ca97e2ee6a16f64f0243c8330e190ad48b120aaaaca5c3c7
SHA1 hash: 7d44d4f23ec77b88038b1ea39b3eb2adfb27a297
MD5 hash: 99dfece0a25e95aa3378c3e9e3c9f7a1
humanhash: cardinal-west-mirror-lithium
File name:VESSEL DETAILS.doc
Download: download sample
Signature AgentTesla
Create hunting rule
File size:218'474 bytes
First seen:2020-11-02 12:47:54 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 1536:9VMSTvHyjtHv9Yr9Cu2o3TKwNRu+vLUSd+3Bjy6mAgaeeVhMDw5wfL1:9JVraRDAw5wfB
TLSH B52475B831974964E349C9195168B5AD0AF5F2E374C54CB123EFE430DFA5FE0AF88286
Reporter cocaman
Tags:AgentTesla doc


Avatar
cocaman
Malicious email (T1566.001)
From: "DA<chartering@roxanashipping.com>"
Received: "from roxanashipping.com (unknown [88.218.16.194]) "
Date: "02 Nov 2020 14:00:11 +0100"
Subject: "MV ATHIRI VOY 87 EPDA AND PORT INFO REQUEST"
Attachment: "VESSEL DETAILS.doc"

Intelligence

File Origin
# of uploads :
1
# of downloads :
91
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Exp.20178570-B.28594.6843.UNOFFICIAL
Create hunting rule

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
Running batch commands
Creating a file in the Program Files subdirectories
Launching cmd.exe command interpreter
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/518140
Signature
.NET source code contains very large array initializations
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
Installs a global keyboard hook
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)
Uses cmd line tools excessively to alter registry or file data
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 308171 Sample: VESSEL DETAILS.doc Startdate: 02/11/2020 Architecture: WINDOWS Score: 100 96 Sigma detected: Powershell download and execute file 2->96 98 Multi AV Scanner detection for dropped file 2->98 100 Multi AV Scanner detection for submitted file 2->100 102 15 other signatures 2->102 11 WINWORD.EXE 306 49 2->11         started        process3 file4 78 C:\Users\user\AppData\Local\...\nde[1].exe, PE32 11->78 dropped 80 C:\Users\user\AppData\Local\...\FLC84E.tmp, 370 11->80 dropped 82 C:\Users\user\AppData\...\Abctfhghgdghgh .scT, data 11->82 dropped 84 C:\Users\user\AppData\Local\...\8AA5D57F.png, 370 11->84 dropped 118 Document exploit detected (creates forbidden files) 11->118 120 Suspicious powershell command line found 11->120 122 Tries to download and execute files (via powershell) 11->122 124 2 other signatures 11->124 15 powershell.exe 12 7 11->15         started        20 powershell.exe 7 11->20         started        22 powershell.exe 7 11->22         started        24 FLTLDR.EXE 11->24         started        signatures5 process6 dnsIp7 92 88.218.16.151, 49165, 49166, 80 SERVERIUS-ASNL United Kingdom 15->92 74 C:\Users\user\AppData\...\WiPnUihghyffCGh.exe, PE32 15->74 dropped 94 Powershell drops PE file 15->94 26 WiPnUihghyffCGh.exe 3 15->26         started        29 WiPnUihghyffCGh.exe 3 20->29         started        31 WiPnUihghyffCGh.exe 3 22->31         started        file8 signatures9 process10 signatures11 114 Multi AV Scanner detection for dropped file 26->114 116 Hides that the sample has been downloaded from the Internet (zone.identifier) 26->116 33 cmd.exe 26->33         started        35 cmd.exe 26->35         started        37 cmd.exe 29->37         started        39 cmd.exe 29->39         started        42 cmd.exe 31->42         started        44 cmd.exe 31->44         started        process12 file13 46 msword.exe 33->46         started        49 msword.exe 37->49         started        76 C:\Program Files (x86)\msword.exe, PE32 39->76 dropped 51 msword.exe 42->51         started        process14 signatures15 126 Hides that the sample has been downloaded from the Internet (zone.identifier) 46->126 128 Injects a PE file into a foreign processes 46->128 53 msword.exe 46->53         started        57 cmd.exe 46->57         started        59 cmd.exe 49->59         started        61 msword.exe 49->61         started        63 cmd.exe 51->63         started        65 msword.exe 51->65         started        process16 dnsIp17 86 elb097307-934924932.us-east-1.elb.amazonaws.com 54.204.14.42, 443, 49167 AMAZON-AESUS United States 53->86 88 nagano-19599.herokussl.com 53->88 90 api.ipify.org 53->90 106 Tries to steal Mail credentials (via file access) 53->106 108 Tries to harvest and steal browser information (history, passwords, etc) 53->108 110 Installs a global keyboard hook 53->110 112 Uses cmd line tools excessively to alter registry or file data 57->112 67 reg.exe 57->67         started        70 reg.exe 59->70         started        72 reg.exe 63->72         started        signatures18 process19 signatures20 104 Creates an undocumented autostart registry key 67->104
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/72a959105f9b0f7974ea6c2c73a211ec87e6eb78bb4723a1051832bda7307709/
Threat name:
Script-VBS.Trojan.RTFObfustream
Create hunting rule
Status:
Malicious
First seen:
2020-11-02 07:41:08 UTC
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=okuvsec7tmhxs5hknqwhhiqr5sd6n23yxndshiifdazl3jzqo4eq._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence
Link:
https://tria.ge/reports/201102-498j3rglm2/
Behaviour
NTFS ADS
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
Office loads VBA resources, possible macro or embedded object present
Drops file in Program Files directory
Suspicious use of SetThreadContext
Loads dropped DLL
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:
Exploit
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/72a959105f9b0f7974ea6c2c73a211ec87e6eb78bb4723a1051832bda7307709

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 72a959105f9b0f7974ea6c2c73a211ec87e6eb78bb4723a1051832bda7307709

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments