MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 50297c7705e690b43057219bc9a89cfb49e6d739742bbf4d904b64832b1cfefc. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 50297c7705e690b43057219bc9a89cfb49e6d739742bbf4d904b64832b1cfefc
SHA3-384 hash: d4d88465fae1e44817308e2e31324bec91ca0997480489003329641a8ba97ce1540362d94260b5249f70e852b88c1b75
SHA1 hash: 15bdcdd580cbb66c67d8fd90151e25fc285f7de3
MD5 hash: f22c33e0af52d382e821ff26fe23f30b
humanhash: quebec-tennessee-vermont-arkansas
File name:Scan 368 1.doc
Download: download sample
Signature AgentTesla
Create hunting rule
File size:327'186 bytes
First seen:2024-04-18 08:09:22 UTC
Last seen:2024-04-18 20:34:49 UTC
File type:Word file doc
MIME type:text/rtf
ssdeep 3072:GQsXvKMEesXvKMEesXvKMEesXvKMEesXvKMEt955Rj5/BBRnLqOT:GhKMeKMeKMeKMeKM2j5/BBxLqOT
TLSH T12864142EE34E0269CB520377AA1B1E94A6FDBB3EB39051A1341C433533DD87D52266BD
TrID 71.4% (.PZ2) Poser pose (12500/1/4)
28.5% (.RTF) Rich Text Format (5000/1)
Reporter abuse_ch
Tags:AgentTesla CVE-2017-11882 doc

Intelligence

File Origin
# of uploads :
4
# of downloads :
385
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
50297c7705e690b43057219bc9a89cfb49e6d739742bbf4d904b64832b1cfefc.doc
Verdict:
No threats detected
Analysis date:
2024-04-18 08:22:33 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/18c65aae-1c67-4d97-952e-65c86f02e800

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for synchronization primitives
Launching a process
Using the Windows Management Instrumentation requests
Creating a window
DNS request
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
Searching for the window
Connection attempt by exploiting the app vulnerability
Launching a file downloaded from the Internet
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Sending a custom TCP request by exploiting the app vulnerability
Creating a process from a recently created file
Enabling autorun by creating a file
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/50297c7705e690b43057219bc9a89cfb49e6d739742bbf4d904b64832b1cfefc/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
75%
Link:
https://www.filescan.io/uploads/6620d56414ba3ce8289641cb/reports/c4c7e0c6-79fb-46c4-9c3c-9c71982e8b59/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/50297c7705e690b43057219bc9a89cfb49e6d739742bbf4d904b64832b1cfefc
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Link:
https://www.malware.ai/gui/files/?id=0b752774-e08c-4499-ab7b-c778ff00d701
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/1427899
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Document exploit detected (process start blacklist hit)
Drops PE files with a suspicious file extension
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Equation Editor Network Connection
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Microsoft Office Child Process
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1427899 Sample: Scan 368 1.doc Startdate: 18/04/2024 Architecture: WINDOWS Score: 100 62 Multi AV Scanner detection for domain / URL 2->62 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 15 other signatures 2->68 8 WINWORD.EXE 336 14 2->8         started        10 taskeng.exe 1 2->10         started        process3 process4 12 EQNEDT32.EXE 11 8->12         started        17 EQNEDT32.EXE 8->17         started        19 pgZzUFYKXcIRkU.exe 10->19         started        dnsIp5 60 covid19help.top 172.67.175.222, 443, 49163 CLOUDFLARENETUS United States 12->60 48 C:\Users\user\AppData\...\obimohohj75.scr, PE32 12->48 dropped 50 C:\Users\user\AppData\Local\...\xobizx[1].scr, PE32 12->50 dropped 94 Installs new ROOT certificates 12->94 96 Office equation editor establishes network connection 12->96 98 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 12->98 21 obimohohj75.scr 1 10 12->21         started        100 Multi AV Scanner detection for dropped file 19->100 102 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->102 104 Machine Learning detection for dropped file 19->104 106 2 other signatures 19->106 25 pgZzUFYKXcIRkU.exe 19->25         started        28 powershell.exe 19->28         started        30 powershell.exe 19->30         started        32 2 other processes 19->32 file6 signatures7 process8 dnsIp9 44 C:\Users\user\AppData\...\pgZzUFYKXcIRkU.exe, PE32 21->44 dropped 46 C:\Users\user\AppData\Local\...\tmp786B.tmp, XML 21->46 dropped 78 Multi AV Scanner detection for dropped file 21->78 80 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 21->80 82 Machine Learning detection for dropped file 21->82 90 3 other signatures 21->90 34 obimohohj75.scr 21->34         started        38 powershell.exe 4 21->38         started        40 powershell.exe 4 21->40         started        42 schtasks.exe 21->42         started        56 104.26.13.205, 443, 49165 CLOUDFLARENETUS United States 25->56 58 api.ipify.org 25->58 84 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 25->84 86 Tries to steal Mail credentials (via file / registry access) 25->86 88 Tries to harvest and steal ftp login credentials 25->88 92 2 other signatures 25->92 file10 signatures11 process12 dnsIp13 52 104.26.12.205, 443, 49164 CLOUDFLARENETUS United States 34->52 54 api.ipify.org 34->54 70 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 34->70 72 Tries to steal Mail credentials (via file / registry access) 34->72 74 Installs a global keyboard hook 34->74 76 Installs new ROOT certificates 38->76 signatures14
Score:
94%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/50297c7705e690b43057219bc9a89cfb49e6d739742bbf4d904b64832b1cfefc
Detection:
cve-2017-11882-shellcode
Create hunting rule
Link:
https://mwdb.cert.pl/sample/50297c7705e690b43057219bc9a89cfb49e6d739742bbf4d904b64832b1cfefc/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2024-04-17 17:25:35 UTC
File Type:
Document
Extracted files:
3
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kauxy5yf42ilimcxegn4tke47ne6nvzzoqv36tmqjnsigky4736a._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240418-j2pzgsff75/
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
Looks up external IP address via web service
Executes dropped EXE
Loads dropped DLL
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/50297c7705e6/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/50297c7705e690b43057219bc9a89cfb49e6d739742bbf4d904b64832b1cfefc

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.

Comments