MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 187b178d65a73669c252ae6ddfe89bed8e136872d3016349a2da8977d9cc01b1. 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



Loki


Vendor detections: 13


Maldoc score: 2


Intelligence 13 IOCs YARA 7 File information Comments

SHA256 hash: 187b178d65a73669c252ae6ddfe89bed8e136872d3016349a2da8977d9cc01b1
SHA3-384 hash: 61d4bf179b3b109121fa578aeec868f4808ae7a24fa50d236887dbe544032f7b50bd09ee77897e393e07ccd04cd20017
SHA1 hash: cf64c1ccb94d9548eeb04a4f2f54c6a4f5194f1f
MD5 hash: 24f72ef632e95db550f1a0d2ba502ccb
humanhash: indigo-batman-magazine-cat
File name:shipping document.xls
Download: download sample
Signature Loki
File size:1'334'784 bytes
First seen:2023-12-04 09:08:23 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 24576:kw6/UZyoCfg8W+cw6/3ZyGCfg8Wl3g2+0QPA5H7DKJ/lnbt2svwfLA:X6/Gh/ev6/JF/K2+jPWf4/lnbEsvk
TLSH T1E155E0039804CB93D54D87F9BE4349E91F0A6F19E89579DF206A3FCF3A35A620D9A10D
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:CVE-2017-11882 CVE-2018-0802 Loki 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 33 sections in this file using oledump:

Section IDSection sizeSection name
1114 bytesCompObj
2244 bytesDocumentSummaryInformation
3120200 bytesSummaryInformation
494 bytesMBD0004C74E/CompObj
562 bytesMBD0004C74E/Ole
620409 bytesMBD0004C74E/CONTENTS
794 bytesMBD0004C74F/CompObj
862 bytesMBD0004C74F/Ole
964830 bytesMBD0004C74F/CONTENTS
1093 bytesMBD0004C750/CompObj
1164 bytesMBD0004C750/Ole
12124841 bytesMBD0004C750/CONTENTS
1399 bytesMBD0004C751/CompObj
14187506 bytesMBD0004C751/Package
1594 bytesMBD0004C752/CompObj
1662 bytesMBD0004C752/Ole
1764830 bytesMBD0004C752/CONTENTS
1893 bytesMBD0004C753/CompObj
1964 bytesMBD0004C753/Ole
20124841 bytesMBD0004C753/CONTENTS
2199 bytesMBD0004C754/CompObj
22187481 bytesMBD0004C754/Package
232043 bytesMBD0004C755/OLe10NaTive
2420 bytesMBD0004C755/Ole
25408460 bytesWorkbook
26527 bytes_VBA_PROJECT_CUR/PROJECT
27104 bytes_VBA_PROJECT_CUR/PROJECTwm
28977 bytes_VBA_PROJECT_CUR/VBA/Sheet1
29977 bytes_VBA_PROJECT_CUR/VBA/Sheet2
30977 bytes_VBA_PROJECT_CUR/VBA/Sheet3
31985 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
322644 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
33553 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 :
339
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 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:
4.4/10
Score Malicious:
45%
Score Benign:
55%
Result
Threat name:
Lokibot
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Excel sheet contains many unusual embedded objects
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)
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Yara detected aPLib compressed binary
Yara detected Lokibot
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1352992 Sample: shipping_document.xls Startdate: 04/12/2023 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic 2->39 41 Multi AV Scanner detection for domain / URL 2->41 43 Found malware configuration 2->43 45 19 other signatures 2->45 7 EQNEDT32.EXE 12 2->7         started        12 EQNEDT32.EXE 11 2->12         started        14 AcroRd32.exe 27 2->14         started        16 EXCEL.EXE 58 62 2->16         started        process3 dnsIp4 35 23.227.196.204, 49162, 80 HVC-ASUS United States 7->35 31 C:\Users\user\AppData\Roaming\wlanext.exe, PE32 7->31 dropped 33 C:\Users\user\AppData\Local\...\ansi[1].exe, PE32 7->33 dropped 57 Office equation editor establishes network connection 7->57 59 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 7->59 18 wlanext.exe 2 7->18         started        21 wlanext.exe 2 12->21         started        23 RdrCEF.exe 2 14->23         started        file5 signatures6 process7 signatures8 47 Antivirus detection for dropped file 18->47 49 Multi AV Scanner detection for dropped file 18->49 51 Tries to steal Mail credentials (via file registry) 18->51 53 Machine Learning detection for dropped file 18->53 25 wlanext.exe 54 18->25         started        55 Injects a PE file into a foreign processes 21->55 29 wlanext.exe 21->29         started        process9 dnsIp10 37 sempersim.su 104.237.252.65, 49164, 49165, 49166 DEDICATED-FIBER-COMMUNICATIONSUS United States 25->37 61 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 25->61 63 Tries to steal Mail credentials (via file / registry access) 25->63 65 Tries to harvest and steal ftp login credentials 25->65 67 Tries to harvest and steal browser information (history, passwords, etc) 25->67 signatures11
Threat name:
Win32.Exploit.CVE-2018-0802
Status:
Malicious
First seen:
2023-12-03 20:11:37 UTC
File Type:
Document
Extracted files:
118
AV detection:
13 of 37 (35.14%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
Suspicious use of SetWindowsHookEx
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of FindShellTrayWindow
Blocklisted process makes network request
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_OLE_file_magic_number
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Author:Willi Ballenthin
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

Loki

Excel file xls 187b178d65a73669c252ae6ddfe89bed8e136872d3016349a2da8977d9cc01b1

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments