MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da1572b871bcc28eb8469433a7cde5e1a231bf262ea4be9e282201ecf400481a. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: da1572b871bcc28eb8469433a7cde5e1a231bf262ea4be9e282201ecf400481a
SHA3-384 hash: 38ca783fbcd8e544f137de50cf32a1984754c60b0c5342a13464811010ccdafbfdea9a775f2eea19dfae1366f05d3794
SHA1 hash: 683215f59b8da266e2fec5b4e749420529aea766
MD5 hash: 6e5d15ee86e1dc5023d892c31d4d2019
humanhash: mars-earth-nuts-failed
File name:STEELWORKS RFQ-38166.doc
Download: download sample
Signature AgentTesla
Create hunting rule
File size:3'781 bytes
First seen:2021-02-03 07:20:38 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 48:9AzzKSoi3u20UmlQVJgwlQ4g4ADULn2hjODtyx+e/9RGEaADC2xxUk1t8qqIv:GzH539KqJr/gBA7UMrSL9bXXU62qqIv
TLSH 9D71EA75595C6EC5D72F68425E0BBC7201A3B11687CB9A48379FF9A60F7A002E0A2F46
Reporter abuse_ch
Tags:AgentTesla doc


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: llsk283-a17.servidoresdns.net
Sending IP: 82.223.190.41
From: AMADEO, STEFANO <a.urizar@aipalaluminio.net>
Subject: STEELWORKS RFQ-38166
Attachment: STEELWORKS RFQ-38166.doc

Intelligence

File Origin
# of uploads :
1
# of downloads :
117
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
STEELWORKS RFQ-38166.doc
Verdict:
Malicious activity
Analysis date:
2021-02-03 07:43:48 UTC
Tags:
exploit CVE-2017-11882 opendir loader
Link:
https://app.any.run/tasks/7d309162-2d1e-42e1-bbe5-5f06ace12a4e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/msword
Has a screenshot:
False
Contains macros:
False
Detection(s):
Sanesecurity.Malware.27301.RtfHeur.BadVer.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.FakeRTF-2.UNOFFICIAL
Create hunting rule

MiscreantPunch.RTF.2017-0199.Obfus.170830.UNOFFICIAL
Create hunting rule

MiscreantPunch.RTF.2017-0199.Obfus.171711.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXSTRGOOD.RTFSTR._EQUATION.200422.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.RTFFakeVersionWithObjUpdateUKSurfMix.20200514.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
DNS request
Creating a file in the %AppData% directory
Sending an HTTP GET request
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/da1572b871bcc28eb8469433a7cde5e1a231bf262ea4be9e282201ecf400481a/results/dashboard
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/597555
Signature
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide a thread from the debugger
Found malware configuration
Hides threads from debuggers
Injects a PE file into a foreign processes
Installs a global keyboard hook
Multi AV Scanner detection for submitted file
Office equation editor drops PE file
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
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: Droppers Exploiting CVE-2017-11882
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 347818 Sample: STEELWORKS RFQ-38166.doc Startdate: 03/02/2021 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Antivirus detection for URL or domain 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 45 8 other signatures 2->45 8 EQNEDT32.EXE 11 2->8         started        13 WINWORD.EXE 336 19 2->13         started        15 EQNEDT32.EXE 2->15         started        process3 dnsIp4 37 globalteamacademy.com 43.252.37.193, 49167, 80 NETONBOARD-MYNetOnboardSdnBhd-QualityReliableCloud Malaysia 8->37 29 C:\Users\...\psoideugickvflsbduckjwilds.exe, PE32 8->29 dropped 31 C:\Users\user\AppData\Local\...\JASP[1].exe, PE32 8->31 dropped 63 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 8->63 17 psoideugickvflsbduckjwilds.exe 12 1 8->17         started        file5 signatures6 process7 dnsIp8 33 193.239.147.103, 49168, 80 DEDIPATH-LLCUS Brunei Darussalam 17->33 47 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->47 49 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 17->49 51 Hides threads from debuggers 17->51 53 2 other signatures 17->53 21 psoideugickvflsbduckjwilds.exe 4 17->21         started        25 cmd.exe 17->25         started        signatures9 process10 dnsIp11 35 mail.privateemail.com 198.54.122.60, 49169, 49170, 49172 NAMECHEAP-NETUS United States 21->35 55 Tries to steal Mail credentials (via file access) 21->55 57 Tries to harvest and steal ftp login credentials 21->57 59 Tries to harvest and steal browser information (history, passwords, etc) 21->59 61 Installs a global keyboard hook 21->61 27 timeout.exe 25->27         started        signatures12 process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/da1572b871bcc28eb8469433a7cde5e1a231bf262ea4be9e282201ecf400481a/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2021-02-03 07:21:07 UTC
AV detection:
23 of 45 (51.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3ikxfodrxtbi5ocgsqz2ptpf4grddpzgf2sl5hrieia6z5aajana._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
ransomware
Link:
https://tria.ge/reports/210203-nt3jzpvm9s/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Loads dropped DLL
Blocklisted process makes network request
Executes dropped EXE
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/da1572b871bcc28eb8469433a7cde5e1a231bf262ea4be9e282201ecf400481a

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:INDICATOR_RTF_EXPLOIT_CVE_2017_11882_4
Create hunting rule
Author:ditekSHen
Description:detects RTF variant documents potentially exploiting CVE-2018-0802 or CVE-2017-11882
Rule name:INDICATOR_RTF_MalVer_Objects
Create hunting rule
Author:ditekSHen
Description:Detects RTF documents with non-standard version and embeding one of the object mostly observed in exploit documents.

File information

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

Malspam

AgentTesla

Word file doc da1572b871bcc28eb8469433a7cde5e1a231bf262ea4be9e282201ecf400481a

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments