MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 adf35677174a56908f9bd964b510d283f08f5c8be591ac2deae86ad9fa57c813. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: adf35677174a56908f9bd964b510d283f08f5c8be591ac2deae86ad9fa57c813
SHA3-384 hash: e381e51307fc5690c3cc26ee4c650904f70f91006ba475bf3ce1c094bffaf601f0de2e11f650726e4f260704d03ffad0
SHA1 hash: e8816b108185708f563a05359be416c2d9d196a8
MD5 hash: e3d7cacc6c73e355110e6c3d53876716
humanhash: two-high-high-sink
File name:Payment Slip.doc
Download: download sample
Signature AgentTesla
File size:107'656 bytes
First seen:2024-02-14 07:24:55 UTC
Last seen:2024-02-14 09:40:08 UTC
File type:Word file doc
MIME type:text/rtf
ssdeep 768:WwAbZSibMX9gRWjtwAbZSibMX9gRWjtwAbZSibMX9gRWjlquUU/zr9iDp55K3TJZ:WwAlRkwAlRkwAlRYqu7/zrcDzADg/M
TLSH T182B3266DD34B02698F620377AB1B1E5541BDBA6EF38552B1306C433933EAC3DA1252BD
Reporter abuse_ch
Tags:AgentTesla CVE-2017-11882 doc

Intelligence


File Origin
# of uploads :
2
# of downloads :
364
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Legit
File type:
application/msword
Has a screenshot:
False
Contains macros:
False
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
DNS request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Сreating synchronization primitives
Changing an executable file
Creating a file
Launching a service
Connection attempt
Reading critical registry keys
Sending a custom TCP request
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
Stealing user critical data
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
Fake RTF File
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit packed phishing shellcode
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Document exploit detected (process start blacklist hit)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
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)
Sample uses string decryption to hide its real strings
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: Equation Editor Network Connection
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: Suspicious Binary In User Directory Spawned From Office Application
Sigma detected: Suspicious Microsoft Office Child Process
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1391950 Sample: Payment Slip.doc Startdate: 14/02/2024 Architecture: WINDOWS Score: 100 42 Snort IDS alert for network traffic 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 20 other signatures 2->48 8 WINWORD.EXE 336 13 2->8         started        process3 process4 10 EQNEDT32.EXE 11 8->10         started        15 EQNEDT32.EXE 8->15         started        dnsIp5 32 dlink.metallc.top 172.67.175.19, 49160, 80 CLOUDFLARENETUS United States 10->32 24 C:\Users\user\AppData\Roaming\agod63099.exe, PE32 10->24 dropped 26 C:\Users\user\AppData\Local\...\agodzx[1].exe, PE32 10->26 dropped 56 Office equation editor establishes network connection 10->56 58 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 10->58 17 agod63099.exe 2 10->17         started        file6 signatures7 process8 signatures9 34 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->34 36 Machine Learning detection for dropped file 17->36 38 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 17->38 40 2 other signatures 17->40 20 agod63099.exe 12 2 17->20         started        process10 dnsIp11 28 webmail.missiontool.net 67.20.76.187, 49163, 587 UNIFIEDLAYER-AS-1US United States 20->28 30 ip-api.com 208.95.112.1, 49162, 80 TUT-ASUS United States 20->30 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->50 52 Tries to steal Mail credentials (via file / registry access) 20->52 54 Tries to harvest and steal browser information (history, passwords, etc) 20->54 signatures12
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2024-02-14 04:13:53 UTC
File Type:
Document
Extracted files:
3
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
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
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
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
Malware family:
AgentTesla
Verdict:
Malicious
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:INDICATOR_RTF_MalVer_Objects
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
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