MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1df39bf7228fdf647c6ad5ed28f653e89778acf9b4f70bb59bd624be6e6a59c. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c1df39bf7228fdf647c6ad5ed28f653e89778acf9b4f70bb59bd624be6e6a59c
SHA3-384 hash: 771622c1692683065da5d0fc12e4f2f9763aafa1b2a2386fe1cd97338298fc5a4752787858edad3438732becca5c0543
SHA1 hash: 056e535d1fa02a53dec3fe292e9e1103ddbad31a
MD5 hash: 049ebd8e42b9345f5c4c06840bcd0db5
humanhash: sixteen-lactose-one-white
File name:SPVJ46544.doc
Download: download sample
Signature AgentTesla
Create hunting rule
File size:217'529 bytes
First seen:2020-09-22 04:16:19 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 1536:9TRKTHjinpTvJErVyyqo62OuRuO2jgil+31Cy6mAgaeeVhMDw5wfLu:90draRDAw5wf6
TLSH 9F2464B831874865E749C9165168796D0AF2F2E374C54CB123EFE430DFA5FE1AF88286
Reporter cocaman
Tags:AgentTesla doc


Avatar
cocaman
Malicious email (T1566.001)
From: "fleet.ops@uniatlantico.com"
Received: "from uniatlantico.com (unknown [88.218.16.246]) "
Date: "21 Sep 2020 21:41:27 +0200"
Subject: "MV VICTORIA AGENCY APPOINTMENT -To Discharge - wheat - 27,500.00 MT "
Attachment: "SPVJ46544.doc"

Intelligence

File Origin
# of uploads :
1
# of downloads :
101
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Exp.20178570-B.19219.29734.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
Launching a process
DNS request
Sending a custom TCP request
Adding an access-denied ACE
Using the Windows Management Instrumentation requests
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Launching a file downloaded from the Internet
Enabling autorun
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/471972
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Contains functionality to hide a thread from the debugger
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)
Drops PE files to the startup folder
Found suspicious RTF objects
Hides threads from debuggers
Injects a PE file into a foreign processes
Injects files into Windows application
Installs a global keyboard hook
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 288421 Sample: SPVJ46544.doc Startdate: 22/09/2020 Architecture: WINDOWS Score: 100 71 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->71 73 Multi AV Scanner detection for domain / URL 2->73 75 Antivirus detection for URL or domain 2->75 77 15 other signatures 2->77 8 WINWORD.EXE 305 49 2->8         started        12 7dv3hed2.exe 2->12         started        15 7dv3hed2.exe 2->15         started        process3 dnsIp4 47 C:\Users\user\AppData\Local\...\f[1].exe, PE32 8->47 dropped 49 C:\Users\user\AppData\Local\...\FLD49E.tmp, 370 8->49 dropped 51 C:\Users\user\AppData\...\Abctfhghgdghgh .scT, data 8->51 dropped 53 C:\Users\user\AppData\Local\...\FFE79943.png, 370 8->53 dropped 101 Document exploit detected (creates forbidden files) 8->101 103 Suspicious powershell command line found 8->103 105 Tries to download and execute files (via powershell) 8->105 111 2 other signatures 8->111 17 powershell.exe 7 8->17         started        20 powershell.exe 12 7 8->20         started        24 powershell.exe 7 8->24         started        32 3 other processes 8->32 67 paste.nrecom.net 12->67 69 server5.nrecom.net 12->69 107 Hides threads from debuggers 12->107 109 Injects a PE file into a foreign processes 12->109 26 7dv3hed2.exe 12->26         started        28 timeout.exe 12->28         started        30 timeout.exe 15->30         started        file5 signatures6 process7 dnsIp8 43 C:\Users\user\AppData\Roaming\7dv3hed2.exe, PE32 17->43 dropped 34 7dv3hed2.exe 14 5 17->34         started        59 198.12.66.108, 49167, 49168, 49169 AS-COLOCROSSINGUS United States 20->59 87 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->87 89 Suspicious powershell command line found 20->89 91 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 20->91 93 Powershell drops PE file 20->93 95 Tries to download and execute files (via powershell) 24->95 61 elb097307-934924932.us-east-1.elb.amazonaws.com 54.227.255.202, 443, 49174 AMAZON-AESUS United States 26->61 63 nagano-19599.herokussl.com 26->63 65 api.ipify.org 26->65 97 Installs a global keyboard hook 26->97 99 Injects files into Windows application 32->99 file9 signatures10 process11 dnsIp12 55 paste.nrecom.net 34->55 57 server5.nrecom.net 37.120.174.218, 443, 49170, 49173 NETCUP-ASnetcupGmbHDE Germany 34->57 45 C:\Users\user\AppData\...\7dv3hed2.exe, PE32 34->45 dropped 79 Multi AV Scanner detection for dropped file 34->79 81 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 34->81 83 Creates an undocumented autostart registry key 34->83 85 5 other signatures 34->85 39 timeout.exe 34->39         started        41 7dv3hed2.exe 34->41         started        file13 signatures14 process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c1df39bf7228fdf647c6ad5ed28f653e89778acf9b4f70bb59bd624be6e6a59c/
Threat name:
Script-VBS.Trojan.RTFObfustream
Create hunting rule
Status:
Malicious
First seen:
2020-09-21 04:11:20 UTC
File Type:
Document
Extracted files:
9
AV detection:
15 of 29 (51.72%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Link:
https://tria.ge/reports/200922-gv6wf9m63e/
Behaviour
Delays execution with timeout.exe
Modifies system certificate store
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
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Drops startup file
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
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/c1df39bf7228fdf647c6ad5ed28f653e89778acf9b4f70bb59bd624be6e6a59c

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
Create hunting rule
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 c1df39bf7228fdf647c6ad5ed28f653e89778acf9b4f70bb59bd624be6e6a59c

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments