MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2dd4340182f877126df433e2d821e7ae950cdf426237300e300e38986fde9998. 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


Maldoc score: 4


Intelligence 14 IOCs YARA 4 File information Comments

SHA256 hash: 2dd4340182f877126df433e2d821e7ae950cdf426237300e300e38986fde9998
SHA3-384 hash: d03c7f96377151bec79d3652ba5ca37eb3ef8d64f9a8495e4ffa070225ad1803869fc438e3915a4eb8ac91e7084e5d0f
SHA1 hash: a6b67b32e74469429dd8428df33f448b03b27bc4
MD5 hash: db19a3d7aa3f8b21fb406d62b6e3bc8f
humanhash: stairway-wisconsin-kansas-cup
File name:RFQ-2302.xls
Download: download sample
Signature AgentTesla
File size:1'180'160 bytes
First seen:2023-11-08 12:29:49 UTC
Last seen:2023-11-09 13:04:24 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 24576:fuBSw6/uZyb3bVpw6/WZy43bVK9wHLt6/wjghgxPEJ:q6/4O3bVi6/AP3bVK9pwEgOJ
TLSH T11C45DF03AD408B83D41C83F46EE34EE91F1ABF09EA916ADF11597F0A3E707721D5A51A
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 CVE-2017-11882 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 52 sections in this file using oledump:

Section IDSection sizeSection name
1114 bytesCompObj
2244 bytesDocumentSummaryInformation
3200 bytesSummaryInformation
494 bytesMBD00157E91/CompObj
562 bytesMBD00157E91/Ole
620409 bytesMBD00157E91/CONTENTS
794 bytesMBD00157E92/CompObj
862 bytesMBD00157E92/Ole
912169 bytesMBD00157E92/CONTENTS
1094 bytesMBD00157E93/CompObj
1162 bytesMBD00157E93/Ole
127284 bytesMBD00157E93/CONTENTS
1394 bytesMBD00157E94/CompObj
1462 bytesMBD00157E94/Ole
1564830 bytesMBD00157E94/CONTENTS
1693 bytesMBD00157E95/CompObj
1764 bytesMBD00157E95/Ole
18124841 bytesMBD00157E95/CONTENTS
19114 bytesMBD00157E96/CompObj
20708 bytesMBD00157E96/DocumentSummaryInformation
2123248 bytesMBD00157E96/SummaryInformation
2297872 bytesMBD00157E96/Workbook
23410 bytesMBD00157E96/_VBA_PROJECT_CUR/PROJECT
2462 bytesMBD00157E96/_VBA_PROJECT_CUR/PROJECTwm
25977 bytesMBD00157E96/_VBA_PROJECT_CUR/VBA/Sheet1
26985 bytesMBD00157E96/_VBA_PROJECT_CUR/VBA/ThisWorkbook
272329 bytesMBD00157E96/_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
28517 bytesMBD00157E96/_VBA_PROJECT_CUR/VBA/dir
2994 bytesMBD00157E97/CompObj
3062 bytesMBD00157E97/Ole
3164830 bytesMBD00157E97/CONTENTS
3293 bytesMBD00157E98/CompObj
3364 bytesMBD00157E98/Ole
34124841 bytesMBD00157E98/CONTENTS
35114 bytesMBD00157E99/CompObj
36708 bytesMBD00157E99/DocumentSummaryInformation
3723248 bytesMBD00157E99/SummaryInformation
3897808 bytesMBD00157E99/Workbook
390 bytesMBD00157E99/_VBA_PROJECT_CUR/VBA/Sheet1
400 bytesMBD00157E99/_VBA_PROJECT_CUR/VBA/ThisWorkbook
410 bytesMBD00157E99/_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
4220 bytesMBD00157E9A/Ole
431653 bytesMBD00157E9A/ole10NaTIVe
44476044 bytesWorkbook
45531 bytes_VBA_PROJECT_CUR/PROJECT
46104 bytes_VBA_PROJECT_CUR/PROJECTwm
47977 bytes_VBA_PROJECT_CUR/VBA/Sheet1
48977 bytes_VBA_PROJECT_CUR/VBA/Sheet2
49977 bytes_VBA_PROJECT_CUR/VBA/Sheet3
50985 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
512644 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
52553 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:

TypeKeywordDescription
SuspiciousHex StringsHex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence


File Origin
# of uploads :
11
# of downloads :
365
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Legit
File type:
application/vnd.ms-excel
Has a screenshot:
False
Contains macros:
False
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Searching for synchronization primitives
Launching a process
Creating a file in the %AppData% directory
Сreating synchronization primitives
Sending an HTTP GET request
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Behaviour
BlacklistAPI detected
Document image
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit exploit macros packed shellcode
Label:
Benign
Suspicious Score:
2.6/10
Score Malicious:
26%
Score Benign:
74%
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
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 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)
Shellcode detected
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
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: 1339009 Sample: RFQ-2302.xls Startdate: 08/11/2023 Architecture: WINDOWS Score: 100 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus / Scanner detection for submitted sample 2->50 52 13 other signatures 2->52 7 EQNEDT32.EXE 12 2->7         started        12 EQNEDT32.EXE 10 2->12         started        14 AcroRd32.exe 33 2->14         started        16 EXCEL.EXE 58 66 2->16         started        process3 dnsIp4 38 172.245.208.22, 49164, 80 AS-COLOCROSSINGUS United States 7->38 34 C:\Users\user\AppData\Roaming\IGCC.exe, PE32 7->34 dropped 36 C:\Users\user\AppData\Local\...\IGCC[1].exe, PE32 7->36 dropped 62 Office equation editor establishes network connection 7->62 64 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 7->64 18 IGCC.exe 2 7->18         started        21 IGCC.exe 12->21         started        23 RdrCEF.exe 2 14->23         started        file5 signatures6 process7 dnsIp8 54 Multi AV Scanner detection for dropped file 18->54 56 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->56 58 Machine Learning detection for dropped file 18->58 26 IGCC.exe 12 2 18->26         started        60 Injects a PE file into a foreign processes 21->60 29 IGCC.exe 21->29         started        32 IGCC.exe 21->32         started        40 192.168.2.255, 137, 138 unknown unknown 23->40 signatures9 process10 dnsIp11 42 api4.ipify.org 64.185.227.156, 443, 49169 WEBNXUS United States 29->42 44 api.ipify.org 29->44 66 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 29->66 68 Tries to steal Mail credentials (via file / registry access) 29->68 70 Tries to harvest and steal browser information (history, passwords, etc) 29->70 signatures12
Threat name:
Document-Office.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2023-11-08 08:56:35 UTC
File Type:
Document
Extracted files:
111
AV detection:
15 of 37 (40.54%)
Threat level:
  5/5
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 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
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_OLE_EXPLOIT_CVE_2017_11882_1
Author:ditekSHen
Description:detects OLE documents potentially exploiting CVE-2017-11882
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

AgentTesla

Excel file xls 2dd4340182f877126df433e2d821e7ae950cdf426237300e300e38986fde9998

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments