MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 63056ca0409d5e15d038ec044aa4fccf4ddddbeb17ee697274feae60fb520f0b. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 63056ca0409d5e15d038ec044aa4fccf4ddddbeb17ee697274feae60fb520f0b
SHA3-384 hash: 741855c71766c70ea2d7f3612ab3b71546073d6b9d9997e3c215d9cc68ae1d4db92f3782d12dd02b9182cdb59fe78a50
SHA1 hash: cd023c49119fb7a6edf2cd4eae824f5ac0a0f6c6
MD5 hash: 4f0f6cd3d79ef0d367bdba2aa80554c2
humanhash: eighteen-texas-fanta-utah
File name:4f0f6cd3d79ef0d367bdba2aa80554c2
Download: download sample
Signature AgentTesla
Create hunting rule
File size:72'449 bytes
First seen:2024-03-08 05:28:24 UTC
Last seen:2024-03-08 07:24:07 UTC
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 768:rOjlSvVct6+MKIoF1Ysjwf8Hm2dWY3RDNCMGITy5cgQrhEt76ZytyumDh03:2Sc1lIojY+wf8HpBDNco9E16Jphc
TLSH T17263396EE34F0955DF55E6BB034A4B4A05FCB33E728140A139BC977437AD82E4A6287C
Reporter zbetcheckin
Tags:AgentTesla CVE-2017-11882 rtf

Intelligence

File Origin
# of uploads :
2
# of downloads :
146
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
63056ca0409d5e15d038ec044aa4fccf4ddddbeb17ee697274feae60fb520f0b.rtf
Verdict:
Malicious activity
Analysis date:
2024-03-08 05:30:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0974fbda-cf5d-4b62-a70e-3d57a3c39f8b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
File type:
application/rtf
Has a screenshot:
False
Contains macros:
False
Detection(s):
Sanesecurity.Shelter.Malware.BadRtf.ObjUpd.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching a process
Using the Windows Management Instrumentation requests
Creating a window
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Creating a file in the %AppData% directory
Сreating synchronization primitives
Launching a service
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Creating a process with a hidden window
Creating a file
Unauthorized injection to a recently created process
Connection attempt to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Enabling autorun by creating a file
Result
Verdict:
Malicious
File Type:
RTF File
Link:
https://app.docguard.net/63056ca0409d5e15d038ec044aa4fccf4ddddbeb17ee697274feae60fb520f0b/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit packed shellcode
Link:
https://www.filescan.io/uploads/65eaa21ef074ad892e4f2e17/reports/cfd05c5f-d289-4a05-bdf0-24ce0d690274/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/63056ca0409d5e15d038ec044aa4fccf4ddddbeb17ee697274feae60fb520f0b
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/1405250
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Document exploit detected (process start blacklist hit)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs new ROOT certificates
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office equation editor drops PE file
Office equation editor establishes network connection
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Shellcode detected
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: Equation Editor Network Connection
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Binary In User Directory Spawned From Office Application
Sigma detected: Suspicious Microsoft Office Child Process
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1405250 Sample: Za1R6JYqol.rtf Startdate: 08/03/2024 Architecture: WINDOWS Score: 100 82 Multi AV Scanner detection for domain / URL 2->82 84 Found malware configuration 2->84 86 Malicious sample detected (through community Yara rule) 2->86 88 21 other signatures 2->88 8 WINWORD.EXE 336 13 2->8         started        10 taskeng.exe 2->10         started        12 mpTrle.exe 2->12         started        15 mpTrle.exe 2->15         started        process3 signatures4 17 EQNEDT32.EXE 12 8->17         started        22 EQNEDT32.EXE 8->22         started        24 iGYvtOrpGViX.exe 10->24         started        130 Multi AV Scanner detection for dropped file 12->130 132 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->132 134 Machine Learning detection for dropped file 12->134 26 mpTrle.exe 12->26         started        28 powershell.exe 12->28         started        30 powershell.exe 12->30         started        32 schtasks.exe 12->32         started        136 Adds a directory exclusion to Windows Defender 15->136 138 Injects a PE file into a foreign processes 15->138 34 mpTrle.exe 15->34         started        36 3 other processes 15->36 process5 dnsIp6 72 107.174.138.160, 49160, 80 AS-COLOCROSSINGUS United States 17->72 62 C:\Users\user\AppData\Roaming\CNN.exe, PE32 17->62 dropped 64 C:\Users\user\AppData\Local\...\CNN[1].exe, PE32 17->64 dropped 90 Office equation editor establishes network connection 17->90 92 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 17->92 38 CNN.exe 1 10 17->38         started        94 Multi AV Scanner detection for dropped file 24->94 96 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 24->96 98 Machine Learning detection for dropped file 24->98 106 2 other signatures 24->106 42 iGYvtOrpGViX.exe 24->42         started        45 powershell.exe 24->45         started        47 powershell.exe 24->47         started        49 schtasks.exe 24->49         started        74 104.26.12.205, 443, 49163 CLOUDFLARENETUS United States 26->74 76 api.ipify.org 26->76 100 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 34->100 102 Tries to steal Mail credentials (via file / registry access) 34->102 104 Tries to harvest and steal browser information (history, passwords, etc) 34->104 file7 signatures8 process9 dnsIp10 68 C:\Users\user\AppData\...\iGYvtOrpGViX.exe, PE32 38->68 dropped 70 C:\Users\user\AppData\Local\...\tmpC61D.tmp, XML 38->70 dropped 116 Multi AV Scanner detection for dropped file 38->116 118 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 38->118 120 Machine Learning detection for dropped file 38->120 128 3 other signatures 38->128 51 CNN.exe 13 4 38->51         started        56 powershell.exe 4 38->56         started        58 powershell.exe 4 38->58         started        60 schtasks.exe 38->60         started        80 api.ipify.org 42->80 122 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 42->122 124 Tries to steal Mail credentials (via file / registry access) 42->124 126 Hides that the sample has been downloaded from the Internet (zone.identifier) 42->126 file11 signatures12 process13 dnsIp14 78 api.ipify.org 104.26.13.205, 443, 49162 CLOUDFLARENETUS United States 51->78 66 C:\Users\user\AppData\Roaming\...\mpTrle.exe, PE32 51->66 dropped 108 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 51->108 110 Installs new ROOT certificates 51->110 112 Tries to steal Mail credentials (via file / registry access) 51->112 114 Hides that the sample has been downloaded from the Internet (zone.identifier) 51->114 file15 signatures16
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/63056ca0409d5e15d038ec044aa4fccf4ddddbeb17ee697274feae60fb520f0b
Detection:
cve-2017-11882-shellcode
Create hunting rule
Link:
https://mwdb.cert.pl/sample/63056ca0409d5e15d038ec044aa4fccf4ddddbeb17ee697274feae60fb520f0b/
Threat name:
Document-Office.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2024-03-07 16:03:17 UTC
File Type:
Document
Extracted files:
4
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mmcwzicatvpbluby5qcevjh4z5g53w7lc7xgs4tu72xgb62sb4fq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240308-f6kc1shb5v/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Modifies registry class
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
Enumerates physical storage devices
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Executes dropped EXE
Loads dropped DLL
Reads WinSCP keys stored on the system
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
Downloads MZ/PE file
AgentTesla
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/63056ca0409d/report/overview.html
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/63056ca0409d5e15d038ec044aa4fccf4ddddbeb17ee697274feae60fb520f0b

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_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:SUSP_INDICATOR_RTF_MalVer_Objects
Create hunting rule
Author:ditekSHen
Description:Detects RTF documents with non-standard version and embedding one of the object mostly observed in exploit (e.g. CVE-2017-11882) documents.
Reference:https://github.com/ditekshen/detection

File information

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

Web download

AgentTesla

Rich Text Format (RTF) rtf 63056ca0409d5e15d038ec044aa4fccf4ddddbeb17ee697274feae60fb520f0b

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2777687/

Comments


Avatar
zbet commented on 2024-03-08 05:28:25 UTC

url : hxxp://107.174.138.160/jjjh/iamdifferentfromothersandlovingyoutrulyfromtheheartwithoutfake____iloveyouiloveyousoomuchwithallmyhearttogetu.doc