MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0b277825df78139d46171f324c582866a81252fdaec3c8912fee41fb6f6172e2. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: 0b277825df78139d46171f324c582866a81252fdaec3c8912fee41fb6f6172e2
SHA3-384 hash: 5980c99b10aaa174273e6d912a42f230db3bc2fd52b397e9a1f674a1c3a507e474b924f05113659a10e127437680ea6b
SHA1 hash: b51e9afb9bf7f55c369b69d5fbaeb11b8d24cc5c
MD5 hash: 640b0d347a49536c213a6227874205b4
humanhash: hamper-chicken-carolina-uncle
File name:New order.doc
Download: download sample
Signature AgentTesla
File size:952'394 bytes
First seen:2020-12-22 15:56:01 UTC
Last seen:2020-12-28 07:04:40 UTC
File type:Word file doc
MIME type:text/rtf
ssdeep 24576:5T16cEDWDkO1ygS57rS65kkm085SSW34mbCzC:U
TLSH F515BFF876047CD6266F476BDE96ACDD13B6262399CBA8CD8064BBC30563375FE02805
Reporter abuse_ch
Tags:AgentTesla CVE-2017-11882 doc


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: vm1674840.4ssd.had.wf
Sending IP: 80.89.238.200
From: Rajesh Vijay <export@eureka-gulf.net>
Subject: RE: Order Inqury
Attachment: New order.doc

Office OLE Information


This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.

OLE dump

Intelligence


File Origin
# of uploads :
2
# of downloads :
302
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
New order.doc
Verdict:
Malicious activity
Analysis date:
2020-12-22 16:14:47 UTC
Tags:
exploit CVE-2017-11882 loader

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
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
DNS request
Creating a file in the %AppData% directory
Using the Windows Management Instrumentation requests
Sending an HTTP GET request
Launching a file downloaded from the Internet
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Creating a process from a recently created file
Enabling autorun by creating a file
Enabling autorun
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.expl.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
.NET source code contains very large strings
Creates an undocumented autostart registry key
Creates autostart registry keys with suspicious names
Creates autostart registry keys with suspicious values (likely registry only malware)
Creates multiple autostart registry keys
Drops PE files to the startup folder
Drops PE files with a suspicious file extension
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
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
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 333358 Sample: New order.doc Startdate: 22/12/2020 Architecture: WINDOWS Score: 100 43 Multi AV Scanner detection for dropped file 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected AgentTesla 2->47 49 9 other signatures 2->49 7 EQNEDT32.EXE 12 2->7         started        12 yarobelo476.scr 2->12         started        14 yarobelo476.scr 2->14         started        16 5 other processes 2->16 process3 dnsIp4 41 binatones.gq 92.119.113.115, 49165, 80 ON-LINE-DATAServerlocation-NetherlandsDrontenNL Ukraine 7->41 35 C:\Users\user\AppData\...\yarobelo476.scr, PE32 7->35 dropped 37 C:\Users\user\AppData\...\yarobelo[1].scr, PE32 7->37 dropped 59 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 7->59 18 yarobelo476.scr 3 1 7->18         started        61 Creates autostart registry keys with suspicious values (likely registry only malware) 12->61 63 Creates autostart registry keys with suspicious names 12->63 65 Creates multiple autostart registry keys 12->65 22 yarobelo476.scr 12->22         started        67 Injects a PE file into a foreign processes 14->67 25 yarobelo476.scr 2 14->25         started        27 yarobelo476.scr 2 16->27         started        29 yarobelo476.scr 16->29         started        file5 signatures6 process7 dnsIp8 33 C:\Users\user\AppData\...\yarobelo476.scr, PE32 18->33 dropped 51 Multi AV Scanner detection for dropped file 18->51 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->53 55 Creates an undocumented autostart registry key 18->55 57 6 other signatures 18->57 31 yarobelo476.scr 2 18->31         started        39 mail.sardaplywood.com 72.52.178.59, 49166, 49167, 49168 LIQUIDWEBUS United States 22->39 file9 signatures10 process11
Threat name:
Document-Office.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2020-12-22 15:24:49 UTC
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence
Behaviour
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
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
Adds Run key to start application
Drops startup file
Loads dropped DLL
Blocklisted process makes network request
Executes dropped EXE
Modifies WinLogon for persistence
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:INDICATOR_RTF_EXPLOIT_CVE_2017_11882_4
Author:ditekSHen
Description:detects RTF variant documents potentially exploiting CVE-2018-0802 or CVE-2017-11882
Rule name:INDICATOR_RTF_MalVer_Objects
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 0b277825df78139d46171f324c582866a81252fdaec3c8912fee41fb6f6172e2

(this sample)

  
Delivery method
Distributed via e-mail attachment

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