MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b6dff3d26e29336967dea9c2b9eaee29b67ecbaec1021262c4ebfd48f1457a5b. 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: 11
| SHA256 hash: | b6dff3d26e29336967dea9c2b9eaee29b67ecbaec1021262c4ebfd48f1457a5b |
|---|---|
| SHA3-384 hash: | ffbc004716280e31405c086bb478ea0cc30a558571fb1bb0c94a3ed6e2a843251c7a5903b71847eae6b981f6f1c4160a |
| SHA1 hash: | 5b59b972cb3afa6bcdd74b070f9d02c7954ec4c4 |
| MD5 hash: | 127f77d572b5d0a003e3e6c6dcb2b221 |
| humanhash: | golf-fish-california-avocado |
| File name: | PO-202002FIVEBRO.doc |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 70'830 bytes |
| First seen: | 2021-02-09 12:11:50 UTC |
| Last seen: | Never |
| File type: |  doc |
| MIME type: | text/rtf |
| ssdeep | 1536:pcBTPZN7VjELoH2KQKOcmJgjzqhYFS6dWRiKcBfXSgJOT:STiLoHgbJsqhoS6gcBTO |
| TLSH | 80639FB879082D96AA5E42B7DA867CD813BA765295C7A0CC70BCF7C70763376EE01C05 |
| Reporter |  abuse_ch |
| Tags: | AgentTesla doc |
abuse_ch
Malspam distributing unidentified malware:HELO: vm1848391.41ssd.had.wf
Sending IP: 185.206.214.189
From: Kiran Sonawane <mumbai@fivebro.com>
Subject: New PO (Signed) 2021
Attachment: PO-202002FIVEBRO.doc
Intelligence
File Origin
# of uploads :
1
# of downloads :
121
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO-202002FIVEBRO.doc
Verdict:
Malicious activity
Analysis date:
2021-02-09 12:13:18 UTC
Tags:
trojan exploit CVE-2017-11882 opendir
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/msword
Has a screenshot:
False
Contains macros:
False
Result
Verdict:
Malware
Maliciousness:
Behaviour
Launching a process
Creating a window
DNS request
Creating a file in the %AppData% directory
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Adding an access-denied ACE
Using the Windows Management Instrumentation requests
Launching a file downloaded from the Internet
Unauthorized injection to a recently created process by context flags manipulation
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
Fake RTF File
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
C2 URLs / IPs found in malware configuration
Contains functionality to hide a thread from the debugger
Found malware configuration
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Office equation editor drops PE file
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Droppers Exploiting CVE-2017-11882
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2021-02-09 12:12:06 UTC
AV detection:
17 of 29 (58.62%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla keylogger ransomware spyware stealer trojan
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
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
Drops file in Windows directory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Looks up external IP address via web service
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
Executes dropped EXE
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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_EXPLOIT_CVE_2017_11882_4 |
|---|---|
| Author: | ditekSHen |
| Description: | detects RTF variant documents potentially exploiting CVE-2018-0802 or CVE-2017-11882 |
| 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. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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