MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 852b82a6008df4460984881ca504c037e53f76ba11d4503f04312ed8f88fae12. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 852b82a6008df4460984881ca504c037e53f76ba11d4503f04312ed8f88fae12
SHA3-384 hash: 0e7b3bc4f523a4b56eb44c23a88d0fc6f0ca02beaddec54bc58ba60158d093f4aa96da4e9e94ad7a0a9fceff14872264
SHA1 hash: 55b7cf5169ab3bb3ea0d69509a54e6644f0a13b0
MD5 hash: 22d7ff662bf3f1685476121cea97a357
humanhash: quebec-freddie-romeo-arizona
File name:Our company profile.doc
Download: download sample
Signature AgentTesla
Create hunting rule
File size:957'869 bytes
First seen:2020-12-16 07:09:10 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 24576:ALit4KQTci5gcVGGGpD9YoxjOdN2KkwHBg2fyWHUCjNID:3
TLSH 1C15AFF875047DE62A6F576BDA96ACDD13B61B239ACBA4CC806477C305A3335FE02805
Reporter abuse_ch
Tags:AgentTesla CVE-2017-11882 doc


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: vps.desourdo.com
Sending IP: 45.85.90.133
From: Carina <kitamurateruo@hotmail.com>
Subject: PO#2020051_Sanbook Equip & Machines Trading L.L.C Dubai
Attachment: Our company profile.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 :
1
# of downloads :
141
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Our company profile.doc
Verdict:
Malicious activity
Analysis date:
2020-12-16 07:14:17 UTC
Tags:
exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/79460e3f-230b-4126-841e-acecbe1ac7dd

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
Using the Windows Management Instrumentation requests
Launching a file downloaded from the Internet
Unauthorized injection to a recently created process by context flags manipulation
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/852b82a6008df4460984881ca504c037e53f76ba11d4503f04312ed8f88fae12/results/dashboard
Result
Gathering data
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/564161
Signature
Antivirus detection for URL or domain
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Sigma detected: EQNEDT32.EXE connecting to internet
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/852b82a6008df4460984881ca504c037e53f76ba11d4503f04312ed8f88fae12/
Threat name:
Document-Office.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2020-12-16 01:04:31 UTC
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=quvyfjqarx2emcmeraokkbgag7st65v2chkfapyegexnr6epvyja._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/201216-1bpql1xs36/
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
Suspicious use of SetThreadContext
Looks up external IP address via web service
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Blocklisted process makes network request
Executes dropped EXE
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Bloodhound
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/852b82a6008df4460984881ca504c037e53f76ba11d4503f04312ed8f88fae12

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:Email_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
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.
Rule name:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:UAC_bypass_bin_mem
Create hunting rule
Author:James_inthe_box
Description:UAC bypass in files like avemaria

File information

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

Malspam

AgentTesla

Word file doc 852b82a6008df4460984881ca504c037e53f76ba11d4503f04312ed8f88fae12

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments