MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e7e92ae4a132c707e85840e90b4e6b1220a6b9c56dcf2d5b5d9698943112d0e7. 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: 2


Intelligence 14 IOCs YARA 4 File information Comments

SHA256 hash: e7e92ae4a132c707e85840e90b4e6b1220a6b9c56dcf2d5b5d9698943112d0e7
SHA3-384 hash: 534e90f701b66fb8225918b873aadb88a1a8a58143c27dbee8e87b7283537f68971e4f8616835e9bbfaa724d0c8922cf
SHA1 hash: b4a50889a22b1756aafcc1086ee0356c16f7c24a
MD5 hash: 4eb89f9a55099138b9f14348bf4a9ed0
humanhash: moon-charlie-cup-stairway
File name:REQ-102.xls
Download: download sample
Signature AgentTesla
File size:989'184 bytes
First seen:2023-11-03 07:37:37 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 24576:+2Biw6/13bVYw6/o3bV/br6JXWywcynBiLuQdhwJJ:R6/13bVT6/o3bV//IXWyQBiS6m
TLSH T1C125F101FE818616E84847754DF38AAA1366FC50AF9B460F328DF71F3DB46A06D33A56
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 CVE-2018-0802 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: 2
OLE dump

MalwareBazaar was able to identify 46 sections in this file using oledump:

Section IDSection sizeSection name
1114 bytesCompObj
2244 bytesDocumentSummaryInformation
3120200 bytesSummaryInformation
494 bytesMBD002A302B/CompObj
562 bytesMBD002A302B/Ole
620409 bytesMBD002A302B/CONTENTS
794 bytesMBD002A302C/CompObj
862 bytesMBD002A302C/Ole
912169 bytesMBD002A302C/CONTENTS
1094 bytesMBD002A302D/CompObj
1162 bytesMBD002A302D/Ole
127284 bytesMBD002A302D/CONTENTS
1394 bytesMBD002A302E/CompObj
1462 bytesMBD002A302E/Ole
1564830 bytesMBD002A302E/CONTENTS
16114 bytesMBD002A302F/CompObj
17708 bytesMBD002A302F/DocumentSummaryInformation
1823248 bytesMBD002A302F/SummaryInformation
1997872 bytesMBD002A302F/Workbook
20420 bytesMBD002A302F/_VBA_PROJECT_CUR/PROJECT
2162 bytesMBD002A302F/_VBA_PROJECT_CUR/PROJECTwm
22977 bytesMBD002A302F/_VBA_PROJECT_CUR/VBA/Sheet1
23985 bytesMBD002A302F/_VBA_PROJECT_CUR/VBA/ThisWorkbook
242329 bytesMBD002A302F/_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
25517 bytesMBD002A302F/_VBA_PROJECT_CUR/VBA/dir
2694 bytesMBD002A3030/CompObj
2762 bytesMBD002A3030/Ole
2864830 bytesMBD002A3030/CONTENTS
29114 bytesMBD002A3031/CompObj
30708 bytesMBD002A3031/DocumentSummaryInformation
3123248 bytesMBD002A3031/SummaryInformation
3297872 bytesMBD002A3031/Workbook
330 bytesMBD002A3031/_VBA_PROJECT_CUR/VBA/Sheet1
340 bytesMBD002A3031/_VBA_PROJECT_CUR/VBA/ThisWorkbook
350 bytesMBD002A3031/_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
3620 bytesMBD002A3032/Ole
371265 bytesMBD002A3032/olE10NativE
38417740 bytesWorkbook
39527 bytes_VBA_PROJECT_CUR/PROJECT
40104 bytes_VBA_PROJECT_CUR/PROJECTwm
41977 bytes_VBA_PROJECT_CUR/VBA/Sheet1
42977 bytes_VBA_PROJECT_CUR/VBA/Sheet2
43977 bytes_VBA_PROJECT_CUR/VBA/Sheet3
44985 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
452644 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
46553 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 :
1
# of downloads :
337
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
Sending a custom TCP request
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 to an infection source by exploiting the app vulnerability
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:
2.1/10
Score Malicious:
22%
Score Benign:
78%
Result
Verdict:
MALICIOUS
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
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
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 domain / URL
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: 1336471 Sample: REQ-102.xls Startdate: 03/11/2023 Architecture: WINDOWS Score: 100 45 Multi AV Scanner detection for domain / URL 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 16 other signatures 2->51 7 EQNEDT32.EXE 12 2->7         started        12 EQNEDT32.EXE 10 2->12         started        14 AcroRd32.exe 27 2->14         started        16 EXCEL.EXE 58 58 2->16         started        process3 dnsIp4 37 172.245.208.6, 49164, 80 AS-COLOCROSSINGUS United States 7->37 33 C:\Users\user\AppData\Roaming\IGCC.exe, PE32 7->33 dropped 35 C:\Users\user\AppData\Local\...\IGCC[1].exe, PE32 7->35 dropped 63 Office equation editor establishes network connection 7->63 65 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 7->65 18 IGCC.exe 2 7->18         started        21 IGCC.exe 12->21         started        23 RdrCEF.exe 2 14->23         started        file5 signatures6 process7 signatures8 53 Antivirus detection for dropped file 18->53 55 Multi AV Scanner detection for dropped file 18->55 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->57 59 Machine Learning detection for dropped file 18->59 25 IGCC.exe 12 2 18->25         started        29 IGCC.exe 18->29         started        61 Injects a PE file into a foreign processes 21->61 31 IGCC.exe 21->31         started        process9 dnsIp10 39 api4.ipify.org 104.237.62.212, 443, 49166 WEBNXUS United States 25->39 41 api.ipify.org 25->41 43 api.ipify.org 31->43 67 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 31->67 69 Tries to steal Mail credentials (via file / registry access) 31->69 71 Tries to harvest and steal browser information (history, passwords, etc) 31->71 signatures11
Threat name:
Document-Office.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2023-11-03 00:51:05 UTC
File Type:
Document
Extracted files:
98
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 e7e92ae4a132c707e85840e90b4e6b1220a6b9c56dcf2d5b5d9698943112d0e7

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments