MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f6701ff55451c155a3d8cb73646c2159ea9938cbea945b8302fb39754422c621. 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 1 File information Comments

SHA256 hash: f6701ff55451c155a3d8cb73646c2159ea9938cbea945b8302fb39754422c621
SHA3-384 hash: 889aa4ad656872ea111aeb63f0653c9a8716351f9721a3679b056b24cb0511c5d552014bdff111472bad666d41a15363
SHA1 hash: dd72badbc1aeed28426e56e03c18dc8713a818fc
MD5 hash: 79785c72a389370b7b6c47991b37a49b
humanhash: yellow-princess-chicken-don
File name:VESSEL CONTACT DETAILS.doc
Download: download sample
Signature AgentTesla
File size:218'458 bytes
First seen:2020-11-03 06:45:24 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 1536:9kcSTvHyjtHv9Yr9Cu2o3TKwNRu+vLUSd+3Bjy6mAgaeeVhMDw5wfL1:9yVraRDAw5wfB
TLSH 362465B831974964E349C9195168B5AD0AF5F2E374C54CB123EFE430DFA5FE0AF88286
Reporter cocaman
Tags:AgentTesla doc


Avatar
cocaman
Malicious email (T1566.001)
From: "operating@mb-ship.com"
Received: "from mb-ship.com (unknown [88.218.16.246]) "
Date: "03 Nov 2020 07:43:41 +0100"
Subject: "MV TBN PDA & PORT INFO REQUEST"
Attachment: "VESSEL CONTACT DETAILS.doc"

Intelligence


File Origin
# of uploads :
1
# of downloads :
99
Origin country :
n/a
Vendor Threat Intelligence
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
Adding an access-denied ACE
Sending an HTTP GET request
Launching a file downloaded from the Internet
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Allocates many large memory junks
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
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
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 domain / URL
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 308541 Sample: VESSEL CONTACT DETAILS.doc Startdate: 03/11/2020 Architecture: WINDOWS Score: 100 50 mail.qatarpharmas.org 2->50 66 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->66 68 Multi AV Scanner detection for domain / URL 2->68 70 Antivirus detection for URL or domain 2->70 72 15 other signatures 2->72 9 WINWORD.EXE 305 46 2->9         started        signatures3 process4 file5 38 C:\Users\user\AppData\Local\...\fbp[1].exe, PE32 9->38 dropped 40 C:\Users\user\AppData\Local\...\FLC41A.tmp, 370 9->40 dropped 42 C:\Users\user\AppData\...\Abctfhghgdghgh .scT, data 9->42 dropped 44 C:\Users\user\AppData\Local\...\C852A26.png, 370 9->44 dropped 86 Document exploit detected (creates forbidden files) 9->86 88 Suspicious powershell command line found 9->88 90 Tries to download and execute files (via powershell) 9->90 92 3 other signatures 9->92 13 powershell.exe 7 9->13         started        16 powershell.exe 12 7 9->16         started        20 powershell.exe 7 9->20         started        22 3 other processes 9->22 signatures6 process7 dnsIp8 46 C:\Users\user\AppData\Roaming\WiPnUiCGh.exe, PE32 13->46 dropped 24 WiPnUiCGh.exe 2 7 13->24         started        48 88.218.16.151, 49165, 49166, 49167 SERVERIUS-ASNL United Kingdom 16->48 58 Suspicious powershell command line found 16->58 60 Tries to download and execute files (via powershell) 16->60 62 Powershell drops PE file 16->62 28 WiPnUiCGh.exe 1 20->28         started        64 Injects files into Windows application 22->64 file9 signatures10 process11 file12 34 C:\Users\user\AppData\...\fWbudiBhyVex.exe, PE32 24->34 dropped 74 Multi AV Scanner detection for dropped file 24->74 76 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 24->76 78 Creates an undocumented autostart registry key 24->78 84 3 other signatures 24->84 30 WiPnUiCGh.exe 12 4 24->30         started        36 C:\Users\user\AppData\...\P8YWAA5ScWQl.exe, PE32 28->36 dropped 80 Allocates many large memory junks 28->80 82 Hides that the sample has been downloaded from the Internet (zone.identifier) 28->82 signatures13 process14 dnsIp15 52 elb097307-934924932.us-east-1.elb.amazonaws.com 174.129.214.20, 443, 49168 AMAZON-AESUS United States 30->52 54 nagano-19599.herokussl.com 30->54 56 api.ipify.org 30->56 94 Tries to harvest and steal browser information (history, passwords, etc) 30->94 signatures16
Threat name:
Script-VBS.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2020-11-02 07:41:08 UTC
File Type:
Document
Extracted files:
9
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence spyware
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.

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:Retefe
Author:bartblaze
Description:Retefe

File information


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

Malspam

AgentTesla

Word file doc f6701ff55451c155a3d8cb73646c2159ea9938cbea945b8302fb39754422c621

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments