MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48731a407c161307c2725f94644a1ac4f1fe9ee7b08e83d13eadb629aa434052. 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: 48731a407c161307c2725f94644a1ac4f1fe9ee7b08e83d13eadb629aa434052
SHA3-384 hash: 59db90e382edc10440bb5dc3ae36d17978c5ebe40f7e352ce0c8f92d564921fb6fdf65cb9aafa53b730c04fa9dd591d3
SHA1 hash: 4b62655ed52d8bba1937b565ea8fffd449d1818e
MD5 hash: 5410ea9a79d9b86deb7fc68b2c0c9c85
humanhash: carbon-minnesota-bravo-winter
File name:BUNGE OPS.doc
Download: download sample
Signature AgentTesla
File size:218'448 bytes
First seen:2020-10-31 06:44:35 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 1536:9OnSTvHyjtHv9Yr9WO2oPmewNRh+vLUSd+3Bjy6mAgaeeVhMDw5wfLu:99BraRDAw5wf6
TLSH 4B2465B831974965E349C91A5168B56D0AF5F2E374C54CB123EFE430DFA4FE0AF88286
Reporter cocaman
Tags:AgentTesla doc


Avatar
cocaman
Malicious email (T1566.001)
From: "Bunge Panamax Chartering - Christian Antonsen <panamax@bunge.com>"
Received: "from bunge.com (unknown [88.218.16.246]) "
Date: "30 Oct 2020 21:17:59 +0100"
Subject: "76000mts wheat PDA and PORT INFO REQUEST"
Attachment: "BUNGE OPS.doc"

Intelligence


File Origin
# of uploads :
1
# of downloads :
173
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
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
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)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 307829 Sample: BUNGE OPS.doc Startdate: 31/10/2020 Architecture: WINDOWS Score: 100 54 mail.qatarpharmas.org 2->54 64 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->64 66 Multi AV Scanner detection for domain / URL 2->66 68 Antivirus detection for URL or domain 2->68 70 15 other signatures 2->70 9 WINWORD.EXE 305 48 2->9         started        signatures3 process4 file5 44 C:\Users\user\AppData\Local\...\f[1].exe, PE32 9->44 dropped 46 C:\Users\user\AppData\Local\...\FLD1EF.tmp, 370 9->46 dropped 48 C:\Users\user\AppData\...\Abctfhghgdghgh .scT, data 9->48 dropped 50 C:\Users\user\AppData\Local\...\314147A7.png, 370 9->50 dropped 96 Document exploit detected (creates forbidden files) 9->96 98 Suspicious powershell command line found 9->98 100 Tries to download and execute files (via powershell) 9->100 102 3 other signatures 9->102 13 powershell.exe 7 9->13         started        16 powershell.exe 7 9->16         started        18 powershell.exe 12 7 9->18         started        22 3 other processes 9->22 signatures6 process7 dnsIp8 52 C:\Users\user\AppData\Roaming\msword.exe, PE32 13->52 dropped 24 msword.exe 1 6 13->24         started        28 msword.exe 1 2 16->28         started        56 88.218.16.151, 49165, 49166, 49167 SERVERIUS-ASNL United Kingdom 18->56 72 Suspicious powershell command line found 18->72 74 Tries to download and execute files (via powershell) 18->74 76 Powershell drops PE file 18->76 78 Injects files into Windows application 22->78 file9 signatures10 process11 file12 40 C:\Users\user\AppData\...\vFuHOpILK03m.exe, PE32 24->40 dropped 84 Multi AV Scanner detection for dropped file 24->84 86 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 24->86 88 Creates an undocumented autostart registry key 24->88 94 2 other signatures 24->94 30 msword.exe 24->30         started        32 msword.exe 24->32         started        42 C:\Users\user\AppData\...\nWncaWBXDFLj.exe, PE32 28->42 dropped 90 Hides that the sample has been downloaded from the Internet (zone.identifier) 28->90 92 Injects a PE file into a foreign processes 28->92 34 msword.exe 28->34         started        38 msword.exe 28->38         started        signatures13 process14 dnsIp15 58 elb097307-934924932.us-east-1.elb.amazonaws.com 23.21.252.4, 443, 49168 AMAZON-AESUS United States 34->58 60 nagano-19599.herokussl.com 34->60 62 api.ipify.org 34->62 80 Tries to steal Mail credentials (via file access) 34->80 82 Tries to harvest and steal browser information (history, passwords, etc) 34->82 signatures16
Threat name:
Script-VBS.Trojan.RTFObfustream
Status:
Malicious
First seen:
2020-10-30 13:46:46 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
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
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.

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 48731a407c161307c2725f94644a1ac4f1fe9ee7b08e83d13eadb629aa434052

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments