MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf9a76a34d8ba45262e4daf903087552f7eae0afb172895aa35aced004565403. 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: 12


Intelligence 12 IOCs YARA File information Comments

SHA256 hash: cf9a76a34d8ba45262e4daf903087552f7eae0afb172895aa35aced004565403
SHA3-384 hash: 84cea3a20655d7bdac10bb27d932483344de50a3989a24b426918434b5d12ea2d54c2ceb43c0d6f648fd8f2feca47e1b
SHA1 hash: ba88abd15e4df0e9d1865e57f5e6eb60a48c7627
MD5 hash: 8fe24c4bc9a43bc6a84cf94307772a96
humanhash: pizza-michigan-fanta-twelve
File name:New Order.xlsx
Download: download sample
Signature Loki
File size:609'280 bytes
First seen:2021-08-31 08:26:25 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/encrypted
ssdeep 12288:vjU1mT1/CHP1qNx3mcabfIYqHw3IIMuHD1Q+33:75T1q9qXmcabfruIM0pQ+n
TLSH T147D40219E0D58963FE6F9470B20B28B02F5F7C12573FE8BA0613FA0901F5A17DD6894A
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 id
Application name is unknown
Office document is in OLE format
Office document is in encrypted
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
3200 bytesDataSpaces/TransformInfo/StrongEncryptionTransform/Primary
476 bytesDataSpaces/Version
5600280 bytesEncryptedPackage
6224 bytesEncryptionInfo

Intelligence


File Origin
# of uploads :
1
# of downloads :
114
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
New Order.xlsx
Verdict:
Malicious activity
Analysis date:
2021-08-31 08:28:08 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Creating a file
Sending a UDP request
Reading critical registry keys
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
Connection attempt 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
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
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 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 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: 474817 Sample: New Order.xlsx Startdate: 31/08/2021 Architecture: WINDOWS Score: 100 31 checkvim.com 2->31 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Multi AV Scanner detection for domain / URL 2->39 41 Found malware configuration 2->41 43 18 other signatures 2->43 8 EQNEDT32.EXE 12 2->8         started        13 EXCEL.EXE 34 46 2->13         started        signatures3 process4 dnsIp5 35 202.55.135.143, 49167, 80 ADTEC-AS-VNADTECMediaJointStockCompanyVN Viet Nam 8->35 25 C:\Users\user\AppData\...\.dllhost[1].exe, PE32 8->25 dropped 27 C:\Users\Public\vbc.exe, PE32 8->27 dropped 53 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 8->53 15 vbc.exe 8->15         started        29 C:\Users\user\Desktop\~$New Order.xlsx, data 13->29 dropped file6 signatures7 process8 signatures9 55 Multi AV Scanner detection for dropped file 15->55 57 Tries to steal Mail credentials (via file registry) 15->57 59 Injects a PE file into a foreign processes 15->59 18 vbc.exe 54 15->18         started        process10 dnsIp11 33 checkvim.com 185.251.88.222, 49168, 49169, 49170 SPRINTHOSTRU Russian Federation 18->33 23 C:\Users\user\AppData\...\5879F5.exe (copy), PE32 18->23 dropped 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->45 47 Tries to steal Mail credentials (via file access) 18->47 49 Tries to harvest and steal ftp login credentials 18->49 51 Tries to harvest and steal browser information (history, passwords, etc) 18->51 file12 signatures13
Threat name:
Document-OLE.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2021-08-30 23:33:53 UTC
AV detection:
13 of 45 (28.89%)
Threat level:
  5/5
Result
Malware family:
lokibot
Score:
  10/10
Tags:
family:lokibot spyware stealer trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Uses the VBS compiler for execution
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Lokibot
Malware Config
C2 Extraction:
http://checkvim.com/fd3/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.

Comments