MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 08d9ecad2833cbb7c9b45b3d355ffd4cf5228685c33658d6ed5d547a91cf964d. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 08d9ecad2833cbb7c9b45b3d355ffd4cf5228685c33658d6ed5d547a91cf964d
SHA3-384 hash: 3ac5a34483de1c0e41364f0ad5e9b325a431da252c798febd9ca8d33609435ffed5cee245e302571238f963ca1457300
SHA1 hash: 38ccf5ffa352f372b2b275b7cdf947b83499f887
MD5 hash: d9fafef123248489ca3fdf5eea3d645f
humanhash: winter-saturn-pip-bulldog
File name:SD8319778482.doc
Download: download sample
Signature AgentTesla
Create hunting rule
File size:162'048 bytes
First seen:2024-01-12 12:53:10 UTC
Last seen:2024-01-12 14:21:48 UTC
File type:Word file doc
MIME type:text/rtf
ssdeep 768:+wAbZSibMX9gRWjtwAbZSibMX9gRWjWsEYLVSnP1EJ+seK0Obj/Ll:+wAlRkwAlRbs5iseDSR
TLSH T110F3796DD34B02698F625336AB1B1E5542BDBA7EF34052B1306C437933EEC39A1252BD
Reporter abuse_ch
Tags:AgentTesla CVE-2017-11882 doc

Intelligence

File Origin
# of uploads :
3
# of downloads :
361
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
38ccf5ffa352f372b2b275b7cdf947b83499f887.rtf.tar.gz
Verdict:
Malicious activity
Analysis date:
2024-01-12 10:16:35 UTC
Tags:
loader exploit cve-2017-11882 stealer agenttesla
Link:
https://app.any.run/tasks/5a5edb80-6bab-48bb-b51a-032c2065d9d7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Malware.29015.RtfHeur.Msg.UNOFFICIAL
Create hunting rule

Sanesecurity.Shelter.Malware.BadRtf.ObjUpd.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.RoomService.20230808.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Searching for synchronization primitives
Launching a process
Creating a window
DNS request
Creating a file in the %AppData% directory
Сreating synchronization primitives
Sending an HTTP GET request
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/08d9ecad2833cbb7c9b45b3d355ffd4cf5228685c33658d6ed5d547a91cf964d/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit packed shellcode
Link:
https://www.filescan.io/uploads/65a1366d99da41ccd7cffa75/reports/23212844-aa7d-4190-ab20-ab1f123e1362/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/08d9ecad2833cbb7c9b45b3d355ffd4cf5228685c33658d6ed5d547a91cf964d
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Link:
https://www.malware.ai/gui/files/?id=7c0ac28f-3326-4ffa-bdf5-57ea41766a1e
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/1373699
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Document exploit detected (process start blacklist hit)
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 document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
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)
Powershell uses Background Intelligent Transfer Service (BITS)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Snort IDS alert for network traffic
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)
Yara detected AgentTesla
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1373699 Sample: SD8319778482.doc Startdate: 12/01/2024 Architecture: WINDOWS Score: 100 44 Snort IDS alert for network traffic 2->44 46 Multi AV Scanner detection for domain / URL 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 16 other signatures 2->50 8 WINWORD.EXE 336 13 2->8         started        process3 process4 10 EQNEDT32.EXE 11 8->10         started        15 EQNEDT32.EXE 8->15         started        dnsIp5 34 zsin2.ebnsina.top 172.67.167.246, 49163, 80 CLOUDFLARENETUS United States 10->34 26 C:\Users\user\AppData\...\plugman12306.exe, PE32 10->26 dropped 28 C:\Users\user\AppData\...\plugmanzx[1].exe, PE32 10->28 dropped 62 Office equation editor establishes network connection 10->62 64 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 10->64 17 plugman12306.exe 1 8 10->17         started        file6 signatures7 process8 signatures9 36 Antivirus detection for dropped file 17->36 38 Multi AV Scanner detection for dropped file 17->38 40 Detected unpacking (changes PE section rights) 17->40 42 5 other signatures 17->42 20 plugman12306.exe 12 2 17->20         started        24 powershell.exe 4 17->24         started        process10 dnsIp11 30 smtp.yandex.ru 77.88.21.158, 49168, 587 YANDEXRU Russian Federation 20->30 32 smtp.yandex.com 20->32 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->52 54 Tries to steal Mail credentials (via file / registry access) 20->54 56 Tries to harvest and steal browser information (history, passwords, etc) 20->56 58 Installs new ROOT certificates 24->58 60 Powershell uses Background Intelligent Transfer Service (BITS) 24->60 signatures12
Score:
100%
Verdict:
Malware
File Type:
ASCII
Link:
https://malprob.io/report/08d9ecad2833cbb7c9b45b3d355ffd4cf5228685c33658d6ed5d547a91cf964d
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/08d9ecad2833cbb7c9b45b3d355ffd4cf5228685c33658d6ed5d547a91cf964d/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2024-01-12 05:38:57 UTC
File Type:
Document
Extracted files:
3
AV detection:
19 of 37 (51.35%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bdm6zljigpf3psnulm6tkx75jt2sfbufym3frvxnlvkhveopszgq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240112-p47j7shaa7/
Behaviour
Checks processor information in registry
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
Looks up external IP address via web service
Executes dropped EXE
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
Downloads MZ/PE file
AgentTesla
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/08d9ecad2833cbb7c9b45b3d355ffd4cf5228685c33658d6ed5d547a91cf964d

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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.

Comments