MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ea9a56a363ef082e4f38ce184a62c3c9c66eebb2004530659d55a070488a355. 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: 14


Intelligence 14 IOCs YARA File information Comments

SHA256 hash: 4ea9a56a363ef082e4f38ce184a62c3c9c66eebb2004530659d55a070488a355
SHA3-384 hash: 32799ab6e0bf4e348051662208cb9c2bf5ed3bafe3bb2f36d7d9f858398df13ee7ddd77a5e3581528484920e31919415
SHA1 hash: f8132dcac51915387692f6cc9b09ceea20af616c
MD5 hash: 20c649c53b5678366b9691b06597125c
humanhash: gee-fix-thirteen-papa
File name:bank details.xlsx
Download: download sample
Signature Loki
File size:192'088 bytes
First seen:2022-02-17 17:17:01 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/encrypted
ssdeep 3072:h1Dx7PLpsPUxe0OEBMovn/Ykst/FMZqhKylTAx+2I0cpN6kRjgA6MduwX6:Ll71vLOoMov/otMAMa8jmu66
TLSH T12E14126735E0E5CCE6F5ED730C364E3BA57ACC61BE4286A420D6BA0E7571990EE004B7
Reporter abuse_ch
Tags:CVE-2017-11882 Loki VelvetSweatshop 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
Detection: VelvetSweatshop

MalwareBazaar was able to identify 6 sections in this file using oledump:

Section IDSection sizeSection name
164 bytesDataSpaces/DataSpaceInfo/StrongEncryptionDataSpace
2112 bytesDataSpaces/DataSpaceMap
3208 bytesDataSpaces/TransformInfo/StrongEncryptionTransform/Primary
476 bytesDataSpaces/Version
5185432 bytesEncryptedPackage
6224 bytesEncryptionInfo

Intelligence


File Origin
# of uploads :
1
# of downloads :
224
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Malicious
File type:
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
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
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:
OOXML Excel File with Embedding Objects in Encrypted Excel File
Document image
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit packed shellcode VelvetSweatshop
Label:
Malicious
Suspicious Score:
9.8/10
Score Malicious:
99%
Score Benign:
1%
Result
Verdict:
MALICIOUS
Details
Macro Execution Coercion
Detected a document that appears to social engineer the user into activating embedded logic.
Document With No Content
Document contains little or no semantic information.
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 strings
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Drops PE files to the user root directory
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 equation editor drops PE file
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Sigma detected: Droppers Exploiting CVE-2017-11882
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: Execution from Suspicious Folder
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: Suspicious Program Location with Network Connections
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 AntiVM3
Yara detected aPLib compressed binary
Yara detected Lokibot
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 574252 Sample: bank details.xlsx Startdate: 17/02/2022 Architecture: WINDOWS Score: 100 31 xhvbzueifhdbjdfywete4y8va.tk 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Multi AV Scanner detection for domain / URL 2->41 43 Found malware configuration 2->43 45 20 other signatures 2->45 8 EQNEDT32.EXE 12 2->8         started        13 EXCEL.EXE 33 27 2->13         started        signatures3 process4 dnsIp5 37 192.210.218.110, 49165, 80 AS-COLOCROSSINGUS United States 8->37 25 C:\Users\user\AppData\Local\...\vbc[1].exe, PE32 8->25 dropped 27 C:\Users\Public\vbc.exe, PE32 8->27 dropped 55 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 8->55 15 vbc.exe 8->15         started        29 C:\Users\user\Desktop\~$bank details.xlsx, data 13->29 dropped file6 signatures7 process8 signatures9 57 Tries to steal Mail credentials (via file registry) 15->57 59 Machine Learning detection for dropped file 15->59 61 Injects a PE file into a foreign processes 15->61 18 vbc.exe 54 15->18         started        process10 dnsIp11 33 188.114.96.7, 49171, 49173, 49174 CLOUDFLARENETUS European Union 18->33 35 xhvbzueifhdbjdfywete4y8va.tk 188.114.97.7, 49166, 49167, 49168 CLOUDFLARENETUS European Union 18->35 23 C:\Users\user\AppData\...\5879F5.exe (copy), PE32 18->23 dropped 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->47 49 Tries to steal Mail credentials (via file / registry access) 18->49 51 Tries to harvest and steal ftp login credentials 18->51 53 Tries to harvest and steal browser information (history, passwords, etc) 18->53 file12 signatures13
Threat name:
Document-Office.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2022-02-17 14:08:24 UTC
File Type:
Document
Extracted files:
51
AV detection:
17 of 42 (40.48%)
Threat level:
  5/5
Result
Malware family:
lokibot
Score:
  10/10
Tags:
family:lokibot collection 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 use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Loads dropped DLL
Reads user/profile data of web browsers
Uses the VBS compiler for execution
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Lokibot
Malware Config
C2 Extraction:
http://xhvbzueifhdbjdfywete4y8va.tk/Ausin1/fre.php
http://kbfvzoboss.bid/alien/fre.php
http://alphastand.trade/alien/fre.php
http://alphastand.win/alien/fre.php
http://alphastand.top/alien/fre.php
Malware family:
Lokibot
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Loki

Excel file xlsx 4ea9a56a363ef082e4f38ce184a62c3c9c66eebb2004530659d55a070488a355

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments