MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 980a17c08dcaac6b16180863a7cd8a92b636622f513fd2847613b660a547ce71. 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: 980a17c08dcaac6b16180863a7cd8a92b636622f513fd2847613b660a547ce71
SHA3-384 hash: 059c93526ccceb21b319b1f646e9f6518b8a62f14ba48375addc618cf76553729fcf6b378a1e9892598c771ee706d7ba
SHA1 hash: 719ba0ec5623e1ee351fbf5ce8df4d0ad70d7939
MD5 hash: 968781deb16a336c2fdda28c2ae1d7d6
humanhash: sierra-blossom-william-video
File name:documenting.doc
Download: download sample
Signature AgentTesla
Create hunting rule
File size:362'048 bytes
First seen:2021-01-27 18:00:36 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 6144:yBUYsYsCyvCSCGPHu4OIVEyZBU0PVToM7ZlQ/SfmCe2f8Clvn2PHugnbuY:k5gE4sGJfoavbf8SETbuY
TLSH 9D74AEB876047DD67A6F036BD996ACED03A527639ACB94CD80A877C305B3375EE02805
Reporter abuse_ch
Tags:AgentTesla doc


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: ashkarco.com
Sending IP: 37.49.225.241
From: Mark Cleaner <accounts@ashkarco.com>
Reply-To: Mark Cleaner <accounts@ashkerco.com>
Subject: ENQUIRY
Attachment: documenting.doc

Intelligence

File Origin
# of uploads :
1
# of downloads :
187
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
documenting.doc
Verdict:
Malicious activity
Analysis date:
2021-01-27 18:03:23 UTC
Tags:
trojan exploit CVE-2017-11882
Link:
https://app.any.run/tasks/3ebc4549-3260-4fcc-bfd1-f0041c2b966f

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

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
DNS request
Sending an HTTP GET request
Sending a TCP request to an infection source by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/980a17c08dcaac6b16180863a7cd8a92b636622f513fd2847613b660a547ce71/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/592201
Signature
.NET source code contains very large array initializations
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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: 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: 345146 Sample: documenting.doc Startdate: 27/01/2021 Architecture: WINDOWS Score: 100 34 Found malware configuration 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected AgentTesla 2->38 40 5 other signatures 2->40 7 EQNEDT32.EXE 15 2->7         started        12 WINWORD.EXE 291 25 2->12         started        process3 dnsIp4 28 cybersng.duckdns.org 172.111.202.41, 443, 49165 BLACKNIGHT-ASIE United States 7->28 30 cy.kl-re.com 7->30 22 C:\Users\user\AppData\...\RegAskcfcd.exe, PE32 7->22 dropped 24 C:\Users\user\AppData\Local\...\mexxxx[1].exe, PE32 7->24 dropped 48 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 7->48 14 RegAskcfcd.exe 12 7->14         started        file5 signatures6 process7 dnsIp8 32 193.239.147.103, 49168, 80 DEDIPATH-LLCUS Brunei Darussalam 14->32 50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->50 52 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 14->52 54 Injects a PE file into a foreign processes 14->54 18 RegAskcfcd.exe 2 14->18         started        signatures9 process10 dnsIp11 26 mail.privateemail.com 198.54.122.60, 49169, 49170, 49171 NAMECHEAP-NETUS United States 18->26 42 Tries to steal Mail credentials (via file access) 18->42 44 Tries to harvest and steal ftp login credentials 18->44 46 Tries to harvest and steal browser information (history, passwords, etc) 18->46 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/980a17c08dcaac6b16180863a7cd8a92b636622f513fd2847613b660a547ce71/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2021-01-27 10:16:56 UTC
AV detection:
20 of 46 (43.48%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tafbpqenzkwgwfqybbr2ptmksk3dmyrpke75fbdwco3gbjkhzzyq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
ransomware
Link:
https://tria.ge/reports/210127-4ek1rkb9t2/
Behaviour
Launches Equation Editor
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Checks processor information in registry
Enumerates system info in registry
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Enumerates physical storage devices
Blocklisted process makes network request
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/980a17c08dcaac6b16180863a7cd8a92b636622f513fd2847613b660a547ce71

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 980a17c08dcaac6b16180863a7cd8a92b636622f513fd2847613b660a547ce71

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments