MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f0b55c8e1cc3fdb6e83a7dd6fe35da840db08e416294c90bb45f04b32b42f4f9. 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
| SHA256 hash: | f0b55c8e1cc3fdb6e83a7dd6fe35da840db08e416294c90bb45f04b32b42f4f9 |
|---|---|
| SHA3-384 hash: | 9507daa99a9e3fb11532cb777062081d2a4b6aceef98d0c60f2b3a4d29ad9a3891c127f90cf94a78880f1b69f77aff5f |
| SHA1 hash: | 7713f230f9c6563534184c14716a4ac5cd4adead |
| MD5 hash: | 006c6422df4dbab67ae81a6e014933cd |
| humanhash: | alaska-vermont-fish-east |
| File name: | Oder S65392.xlsx |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 1'206'418 bytes |
| First seen: | 2023-11-14 11:19:58 UTC |
| Last seen: | Never |
| File type: |  xlsx |
| MIME type: | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |
| ssdeep | 24576:15rNBtsBO+NWK9cQMMmnXP7fTG11B5O9cOtE7nBljusE:BK9YdXPjTI2cOeBljuX |
| TLSH | T11D4533304A3E0A7CAE1DFA35959C7D369EEC345A4F101CC1F8B38BA9886406F9713667 |
| TrID | 60.1% (.XLSX) Excel Microsoft Office Open XML Format document (34000/1/7) 30.9% (.ZIP) Open Packaging Conventions container (17500/1/4) 7.0% (.ZIP) ZIP compressed archive (4000/1) 1.7% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1) |
| Reporter |  cocaman |
| Tags: | AgentTesla CVE-2017-11882 xlsx |
cocaman
Malicious email (T1566.001)From: ""Mr. yan" <nazrul75.tax@gmail.com>" (likely spoofed)
Received: "from postfix-inbound-v2-9.inbound.mailchannels.net (inbound-egress-6.mailchannels.net [199.10.31.238]) "
Date: "Tue, 14 Nov 2023 08:37:42 +0100"
Subject: "Oder S65392"
Attachment: "Oder S65392.xlsx"
Office OLE Information
This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.
OLE dump
MalwareBazaar was able to identify 3 sections in this file using oledump:
| Section ID | Section size | Section name |
|---|---|---|
| A1 | 1429569 bytes | Ole10nATIvE |
| A2 | 0 bytes | zIB1B8foMEhxPjPMn53eco |
Intelligence
File Origin
# of uploads :
1
# of downloads :
876
Origin country :
CHVendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Searching for synchronization primitives
Launching a process
DNS request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Query of malicious DNS domain
Sending an HTTP GET request
Unauthorized injection to a recently created process
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
Sending a TCP request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
OOXML Excel File with Embedding Objects
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
control embedequation exploit lolbin shell32 shellcode
Verdict:
Malicious
Labled as:
CVE-2017-11882
Label:
Malicious
Suspicious Score:
9.8/10
Score Malicious:
99%
Score Benign:
1%
Result
Threat name:
AgentTesla, NSISDropper
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
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)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
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: 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 NSISDropper
Behaviour
Behavior Graph:
Detection:
cve-2017-11882-shellcode
Threat name:
Document-OLE.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2023-11-14 11:20:06 UTC
File Type:
Document
Extracted files:
16
AV detection:
21 of 38 (55.26%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
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 behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
NSIS installer
Enumerates physical storage devices
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.
Threat name:
Malicious File
Score:
1.00
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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