MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 d4ce99bddbf7352ad97482052b01754e5aca502213aaa3c06242982fd5a42c34. 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: 10
Maldoc score: 4
| SHA256 hash: | d4ce99bddbf7352ad97482052b01754e5aca502213aaa3c06242982fd5a42c34 |
|---|---|
| SHA3-384 hash: | a9bb8698bf987d731eadafe46a75c5cf06b6b94f69ef8656590abfdc991cf04a408b820f66897fad42b899b93b7af5c7 |
| SHA1 hash: | 8857eb9a9fff7788b022ed9f7daa092c2a198b5c |
| MD5 hash: | 84a3c4f22249f767729d1a1ac60d5ec2 |
| humanhash: | august-eight-east-zebra |
| File name: | Remittance Advice.xls |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 348'160 bytes |
| First seen: | 2024-01-29 10:47:49 UTC |
| Last seen: | Never |
| File type: |  xls |
| MIME type: | application/vnd.ms-excel |
| ssdeep | 6144:m5funCBC6QREchwS+wcMtNpW6OXhsYOeChb3BfhDy0BFWQB:m56CBC6uEkrPcMtPW6a7O/htfFy0W |
| TLSH | T10D74120AB499E15EC46F5A7C0DFB52CE0296FC125F88630F38A4BB0D01797D7851A7AB |
| TrID | 46.5% (.XLS) Microsoft Excel sheet (alternate) (56500/1/4) 26.7% (.XLS) Microsoft Excel sheet (32500/1/3) 20.1% (.XLS) Microsoft Excel sheet (alternate) (24500/1/2) 6.5% (.) Generic OLE2 / Multistream Compound (8000/1) |
| Reporter |  abuse_ch |
| Tags: | AgentTesla xls |
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 id
| Maldoc score: 4 |
OLE dump
MalwareBazaar was able to identify 21 sections in this file using oledump:
| Section ID | Section size | Section name |
|---|---|---|
| 1 | 114 bytes | CompObj |
| 2 | 244 bytes | DocumentSummaryInformation |
| 3 | 200 bytes | SummaryInformation |
| 4 | 94 bytes | MBD00076110/CompObj |
| 5 | 62 bytes | MBD00076110/Ole |
| 6 | 20909 bytes | MBD00076110/CONTENTS |
| 7 | 99 bytes | MBD00076111/CompObj |
| 8 | 22231 bytes | MBD00076111/Package |
| 9 | 94 bytes | MBD00076112/CompObj |
| 10 | 62 bytes | MBD00076112/Ole |
| 11 | 64357 bytes | MBD00076112/CONTENTS |
| 12 | 628 bytes | MBD00076113/Ole |
| 13 | 221484 bytes | Workbook |
| 14 | 523 bytes | _VBA_PROJECT_CUR/PROJECT |
| 15 | 104 bytes | _VBA_PROJECT_CUR/PROJECTwm |
| 16 | 977 bytes | _VBA_PROJECT_CUR/VBA/Sheet1 |
| 17 | 977 bytes | _VBA_PROJECT_CUR/VBA/Sheet2 |
| 18 | 977 bytes | _VBA_PROJECT_CUR/VBA/Sheet3 |
| 19 | 985 bytes | _VBA_PROJECT_CUR/VBA/ThisWorkbook |
| 20 | 2644 bytes | _VBA_PROJECT_CUR/VBA/_VBA_PROJECT |
| 21 | 553 bytes | _VBA_PROJECT_CUR/VBA/dir |
OLE vba
MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:
| Type | Keyword | Description |
|---|---|---|
| Suspicious | Hex Strings | Hex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all) |
Intelligence
File Origin
# of uploads :
1
# of downloads :
341
Origin country :
NLVendor Threat Intelligence
Verdict:
Legit
File type:
application/vnd.ms-excel
Has a screenshot:
False
Contains macros:
False
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Sending a custom TCP request
Creating a window
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Sending an HTTP GET request
Launching a process by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Payload URLs
URL
File name
http://192.3.176.145/hcb/microsoftupdationgoingformicrosoftofficeupgradingtonewmsofficeprotoecoltoreducethesystemwrkiss.doC
Embedded Ole
Behaviour
SuspiciousRTF detected
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
embedequation exploit macros shellcode sload
Verdict:
Malicious
Labled as:
CVE-2017-0199
Label:
Benign
Suspicious Score:
2.1/10
Score Malicious:
22%
Score Benign:
78%
Result
Verdict:
MALICIOUS
Link:
Details
Document With Few Pages
Document contains between one and three pages of content. Most malicious documents are sparse in page count.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Document exploit detected (process start blacklist hit)
Excel sheet contains many unusual embedded objects
Found malware configuration
Installs new ROOT certificates
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Microsoft Office drops suspicious files
Microsoft Office launches external ms-search protocol handler (WebDAV)
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for domain / URL
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)
Office viewer loads remote template
Powershell uses Background Intelligent Transfer Service (BITS)
Shellcode detected
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
8/10
Tags:
n/a
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
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Suspicious use of SetThreadContext
Drops file in System32 directory
Abuses OpenXML format to download file from external location
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
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
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: | informational_win_ole_protected |
|---|---|
| Author: | Jeff White (karttoon@gmail.com) @noottrak |
| Description: | Identify OLE Project protection within documents. |
| Rule name: | maldoc_OLE_file_magic_number |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | office_document_vba |
|---|---|
| Author: | Jean-Philippe Teissier / @Jipe_ |
| Description: | Office document with embedded VBA |
| Reference: | https://github.com/jipegit/ |
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
Comments
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