MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb7663086d4a34edf65132f7d16437a37f0e1ed541bf43b3ca77b8e6d52f116a. 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


Intelligence 13 IOCs YARA File information Comments

SHA256 hash: bb7663086d4a34edf65132f7d16437a37f0e1ed541bf43b3ca77b8e6d52f116a
SHA3-384 hash: 062110c84187f173d3c5db2c4b1dd8605c32cbd4650e2bacb9e1289161c18872ce6f3ad71b3ae7e0d263e9e768a721a1
SHA1 hash: b2dcb37c498acd8c1d367b47d2b8c9c38ee5c660
MD5 hash: 2fcdb0faeb1fb738c2cf84aa75832393
humanhash: hamper-fifteen-purple-illinois
File name:New_purchase_contract.xlsx
Download: download sample
Signature Loki
File size:191'928 bytes
First seen:2022-02-21 06:15:50 UTC
Last seen:2022-02-21 06:53:07 UTC
File type:Excel file xlsx
MIME type:application/encrypted
ssdeep 3072:mvZ+/l+2KCHBWa8YZO1ifVeZKloL7nZ03ask1jX8XZQqlbblBXRjleefm+aSvfzn:S+/lMChOguio0lUN0qsIjMXZtjFe+a6r
TLSH T11D1412C22195E5E7C9F3AAB516F1C192DC9CECDACA01398F158A344F0A34AD12E73DB1
Reporter fabjer
Tags:CVE-2017-11882 Loki 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
5185272 bytesEncryptedPackage
6224 bytesEncryptionInfo

Intelligence


File Origin
# of uploads :
2
# of downloads :
218
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
Creating a window
Launching a process
Searching for the window
Creating a file
Сreating synchronization primitives
Creating a file in the %temp% directory
Reading critical registry keys
Changing a file
DNS request
Sending an HTTP POST request
Creating a file in the %AppData% subdirectories
Moving a file to the %AppData% subdirectory
Enabling the 'hidden' option for recently created files
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
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:
control.exe embedequation exploit shell32.dll 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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Drops PE files to the user root directory
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 dnsIp2 2 Behavior Graph ID: 575478 Sample: New_purchase_contract.xlsx Startdate: 21/02/2022 Architecture: WINDOWS Score: 100 38 250b48d798957fbf33b77ae8a74a45ca.cf 2->38 48 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->48 50 Multi AV Scanner detection for domain / URL 2->50 52 Found malware configuration 2->52 54 15 other signatures 2->54 9 EQNEDT32.EXE 12 2->9         started        14 EXCEL.EXE 33 29 2->14         started        signatures3 process4 dnsIp5 44 198.12.107.201, 49165, 80 AS-COLOCROSSINGUS United States 9->44 32 C:\Users\user\AppData\...\loader1[1].exe, PE32 9->32 dropped 34 C:\Users\Public\vbc.exe, PE32 9->34 dropped 70 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 9->70 16 vbc.exe 19 9->16         started        36 C:\Users\...\~$New_purchase_contract.xlsx, data 14->36 dropped file6 signatures7 process8 file9 28 C:\Users\user\AppData\Local\Temp\rluqmh.exe, PE32 16->28 dropped 46 Machine Learning detection for dropped file 16->46 20 rluqmh.exe 16->20         started        signatures10 process11 signatures12 56 Tries to steal Mail credentials (via file registry) 20->56 58 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 20->58 60 Injects a PE file into a foreign processes 20->60 23 rluqmh.exe 54 20->23         started        process13 dnsIp14 40 104.21.23.231, 49177, 49184, 49199 CLOUDFLARENETUS United States 23->40 42 250b48d798957fbf33b77ae8a74a45ca.cf 172.67.214.33, 49166, 49167, 49168 CLOUDFLARENETUS United States 23->42 30 C:\Users\user\AppData\...\5879F5.exe (copy), PE32 23->30 dropped 62 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->62 64 Tries to steal Mail credentials (via file / registry access) 23->64 66 Tries to harvest and steal ftp login credentials 23->66 68 Tries to harvest and steal browser information (history, passwords, etc) 23->68 file15 signatures16
Threat name:
Document-OLE.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2022-02-21 06:16:12 UTC
File Type:
Document
Extracted files:
51
AV detection:
14 of 28 (50.00%)
Threat level:
  5/5
Result
Malware family:
lokibot
Score:
  10/10
Tags:
family:lokibot collection spyware stealer suricata trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
NSIS installer
Enumerates physical storage devices
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
suricata: ET MALWARE LokiBot Checkin
suricata: ET MALWARE LokiBot User-Agent (Charon/Inferno)
suricata: ET MALWARE Possible Malicious Macro DL EXE Feb 2016
Malware Config
C2 Extraction:
http://250b48d798957fbf33b77ae8a74a45ca.cf/Ausin4/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
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 bb7663086d4a34edf65132f7d16437a37f0e1ed541bf43b3ca77b8e6d52f116a

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments