MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a0de87ccaf8efb28f84081e3b589d4bd60c2da182a970838bc1e2fed0037e3e. 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: 7


Maldoc score: 6


Intelligence 7 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8a0de87ccaf8efb28f84081e3b589d4bd60c2da182a970838bc1e2fed0037e3e
SHA3-384 hash: 422098aebb2576a9e62dcb2539d009ad051bb0724246ae6211bcfdaeef00d9aca3b6bfb1461132148b741297427d8b53
SHA1 hash: bda4832689dc06c315a3b7a810814527a74915d9
MD5 hash: 4bb3584cc8f750ab27bf51e2d154496b
humanhash: london-oscar-missouri-sierra
File name:TcLt4.xls
Download: download sample
Signature AgentTesla
Create hunting rule
File size:208'384 bytes
First seen:2020-11-28 10:22:18 UTC
Last seen:2020-11-28 11:48:51 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 6144:Jk3hOdsylKlgryzc4bNhZF+E+W2knU17K4g62FpqDIWPIVirJNl15bdVwHmGRl:v1+4v2FpqDAcrJN1bbwGGR
TLSH 121412E7B2C6BC96EE066F3544C74340665AFD120BD6E30B6761F2280B36BA05D47D2B
Reporter abuse_ch
Tags:AgentTesla DreamHost xls


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: pdx1-sub0-mail-mx16.g.dreamhost.com
Sending IP: 64.90.62.164
From: finishing1@lakhsmaiw.com
Subject: ORDER-TL4900
Attachment: TcLt4.xls

AgentTesla SMTP exfil server:
novget.com:587

AgentTesla payload URL:
http://sparepartiran.com/js/2Q/Jqeofcirr6.exe

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 id
Maldoc score: 6
Application name is unknown
Office document is in OLE format
Office document contains VBA Macros
OLE dump

MalwareBazaar was able to identify 10 sections in this file using oledump:

Section IDSection sizeSection name
1107 bytesCompObj
2228 bytesDocumentSummaryInformation
3176 bytesSummaryInformation
4200638 bytesWorkbook
5480 bytes_VBA_PROJECT_CUR/PROJECT
671 bytes_VBA_PROJECT_CUR/PROJECTwm
7741 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
87 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
9172 bytes_VBA_PROJECT_CUR/VBA/cmajcuhck
10220 bytes_VBA_PROJECT_CUR/VBA/dir
OLE vba

MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:

TypeKeywordDescription
SuspiciousCreateMay execute file or a system command through WMI
SuspiciousCreateObjectMay create an OLE object
SuspiciousHex StringsHex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence

File Origin
# of uploads :
2
# of downloads :
239
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Link:
https://app.docguard.net/8a0de87ccaf8efb28f84081e3b589d4bd60c2da182a970838bc1e2fed0037e3e/results/dashboard
Payload URLs
URL
File name
http://sparepartiran.com/js/2Q/Jqeofcirr6.exe
WorkBook
Document image
Image:
Download PNG
Document image
Result
Verdict:
MALICIOUS
Details
Macro with Startup Hook
Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.
Macro Contains Suspicious String
Detected a macro with a suspicious string. Suspicious strings include privileged function calls, obfuscations, odd registry keys, etc...
Powershell
Possibly Powershell fragment found embedded.
Document With Minimal Content
Document contains less than 1 kilobyte of semantic information.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
evad.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/549995
Signature
Bypasses PowerShell execution policy
Creates processes via WMI
Drops PE files to the user root directory
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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)
Powershell drops PE file
Sigma detected: Executables Started in Suspicious Folder
Sigma detected: Execution in Non-Executable Folder
Sigma detected: Suspicious Program Location Process Starts
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 324135 Sample: TcLt4.xls Startdate: 28/11/2020 Architecture: WINDOWS Score: 100 42 Multi AV Scanner detection for domain / URL 2->42 44 Multi AV Scanner detection for dropped file 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 10 other signatures 2->48 7 powershell.exe 14 21 2->7         started        12 powershell.exe 21 2->12         started        14 EXCEL.EXE 35 22 2->14         started        16 2 other processes 2->16 process3 dnsIp4 38 sparepartiran.com 162.223.88.131, 49788, 49789, 80 COLOUPUS United States 7->38 36 C:\Users\Public\raqfxwuo.exe, PE32 7->36 dropped 56 Drops PE files to the user root directory 7->56 58 Powershell drops PE file 7->58 18 raqfxwuo.exe 1 5 7->18         started        22 conhost.exe 7->22         started        40 192.168.2.1 unknown unknown 12->40 24 raqfxwuo.exe 12->24         started        26 conhost.exe 12->26         started        28 splwow64.exe 14->28         started        file5 signatures6 process7 file8 34 C:\Users\user\AppData\Roaming\...\vlc.exe, PE32 18->34 dropped 50 Multi AV Scanner detection for dropped file 18->50 52 Machine Learning detection for dropped file 18->52 54 Injects a PE file into a foreign processes 18->54 30 raqfxwuo.exe 18->30         started        32 raqfxwuo.exe 24->32         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8a0de87ccaf8efb28f84081e3b589d4bd60c2da182a970838bc1e2fed0037e3e/
Threat name:
Script-Macro.Trojan.Powload
Create hunting rule
Status:
Suspicious
First seen:
2020-11-27 11:50:48 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rig6q7gk7dx3fd4ebapdwwe5jplaylnbqkuxba4lyhrp5uadpy7a._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Link:
https://tria.ge/reports/201128-sqtkwjn8tj/
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Checks processor information in registry
Office loads VBA resources, possible macro or embedded object present
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8a0de87ccaf8/report/overview.html
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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:Email_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:PowerShell_in_Word_Doc
Create hunting rule
Author:Florian Roth
Description:Detects a powershell and bypass keyword in a Word document
Reference:Internal Research - ME
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
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

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

Malspam

AgentTesla

Excel file xls 8a0de87ccaf8efb28f84081e3b589d4bd60c2da182a970838bc1e2fed0037e3e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/host/sparepartiran.com/
  
Delivery method
Distributed via e-mail attachment

Comments