MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cbdfa57cf569c5cb5e6eb16f9441788aa26c39b27f122a784a2e6ae4121b86cf. 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: 11


Intelligence 11 IOCs YARA 5 File information Comments

SHA256 hash: cbdfa57cf569c5cb5e6eb16f9441788aa26c39b27f122a784a2e6ae4121b86cf
SHA3-384 hash: 41a42226940d988fc2f94c8f4d9153d9e6ed1bff69859d427293ecce32f1f73091b194825c875b67b335260b4cecf0c4
SHA1 hash: aa5057b5bc5f16a1567b5d40d4e9d418cd8857d9
MD5 hash: 9d2e36342702fedd9bd9d631214b5d65
humanhash: hotel-sixteen-lion-oxygen
File name:FGM_Charter_PI_T106240.xlsx
Download: download sample
Signature Loki
File size:2'180'608 bytes
First seen:2021-03-17 06:21:49 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/encrypted
ssdeep 49152:R2b4O07mdPeYNawDIV9xJdEhTom+FO7KP8sVh24dfoFKEF:4b4B7KWYNPIVHEhTom+r8IhBa9F
TLSH BBA53326E4C12F16F5EE68B5A56AC05B105E8C63EF13DC1B4919B0A4B9307E43BE17EC
Reporter abuse_ch
Tags:Loki VelvetSweatshop xlsx


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: kutilang.tujuhdns.com
Sending IP: 180.235.149.10
From: Josie/李琼霄 <josie@ufshipping.com.cn>
Subject: RE: Q04 - FGM_Charter_PI/T106/2409pdf - Confirm Acc
Attachment: FGM_Charter_PI_T106240.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
52159496 bytesEncryptedPackage
6224 bytesEncryptionInfo

Intelligence


File Origin
# of uploads :
1
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cbdfa57cf569c5cb5e6eb16f9441788aa26c39b27f122a784a2e6ae4121b86cf
Verdict:
Malicious activity
Analysis date:
2021-03-17 05:08:13 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan lokibot stealer

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
DNS request
Connecting to a non-recommended domain
Creating a file
Reading critical registry keys
Launching a service
Changing a file
Replacing files
Creating a file in the %AppData% subdirectories
Deleting a recently created file
Moving a file to the %AppData% subdirectory
Enabling the 'hidden' option for recently created files
Sending an HTTP GET request
Launching a file downloaded from the Internet
Stealing user critical data
Connection attempt to an infection source
Creating a process from a recently created file
Sending an HTTP POST request to an infection source
Result
Verdict:
Malicious
File Type:
OOXML Excel File with Embedding Objects in Encrypted Excel File
Payload URLs
URL
File name
http://www.day.com/dam/1.0
Microsoft_Office_Word_Macro-Enabled_Document1.docm
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Connects to a URL shortener service
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops PE files to the user root directory
Found malware configuration
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 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 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: Executables Started in Suspicious Folder
Sigma detected: Execution in Non-Executable Folder
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: Suspicious Program Location Process Starts
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 access)
Tries to steal Mail credentials (via file registry)
Yara detected aPLib compressed binary
Yara detected Lokibot
Behaviour
Behavior Graph:
Threat name:
Document-Office.Exploit.Heuristic
Status:
Malicious
First seen:
2021-03-17 03:00:01 UTC
AV detection:
11 of 47 (23.40%)
Threat level:
  2/5
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
Loads dropped DLL
Uses the VBS compiler for execution
Blocklisted process makes network request
Executes dropped EXE
Lokibot
Malware Config
C2 Extraction:
http://becharnise.ir/fb15/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.

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:Email_stealer_bin_mem
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:IPPort_combo_mem
Author:James_inthe_box
Description:IP and port combo
Rule name:Select_from_enumeration
Author:James_inthe_box
Description:IP and port combo
Rule name:SharedStrings
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:UAC_bypass_bin_mem
Author:James_inthe_box
Description:UAC bypass in files like avemaria

File information


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

Malspam

Loki

Excel file xlsx cbdfa57cf569c5cb5e6eb16f9441788aa26c39b27f122a784a2e6ae4121b86cf

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments