MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99d00e1001a8c91202d83bcd8acbdc7e24ae3357a9342832d8d5e5b7267a9630. 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: 99d00e1001a8c91202d83bcd8acbdc7e24ae3357a9342832d8d5e5b7267a9630
SHA3-384 hash: 838a5f4484e0eeeb2cb6f83ae304a64328f87e4179d7023c3b6f17bcab0d769fc6073b7bbbaae402b2179c07f2e2f9c4
SHA1 hash: 6fe36202bd63919681d3024997bf72cc5fda75ea
MD5 hash: 522b354f6a3fcdf06fbbe4db5214f25f
humanhash: charlie-south-jersey-orange
File name:SCAN_PAYMENT_SLIP.xlsx
Download: download sample
Signature Loki
File size:191'128 bytes
First seen:2022-03-15 14:14:01 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/encrypted
ssdeep 3072:oiia2JyjuT2Vw00zPH5DKqvDc7MYMaIGS/62Vo6H8/AaskMhKAt9mfQB:Ia2IyCVlQPH5DKqvvaIX/m6H8I88mIB
TLSH T1C914029C5F06FD88E9607E7623F2D689ABC58E7041A0342F2187BB1748BD54FC486E5A
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
5184472 bytesEncryptedPackage
6224 bytesEncryptionInfo

Intelligence


File Origin
# of uploads :
1
# of downloads :
210
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
Creating a file in the %temp% directory
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:
9.9/10
Score Malicious:
99%
Score Benign:
0%
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
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 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 signatures2 2 Behavior Graph ID: 589876 Sample: SCAN_PAYMENT_SLIP.xlsx Startdate: 15/03/2022 Architecture: WINDOWS Score: 100 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Multi AV Scanner detection for domain / URL 2->45 47 Found malware configuration 2->47 49 15 other signatures 2->49 8 EQNEDT32.EXE 12 2->8         started        13 EXCEL.EXE 33 27 2->13         started        process3 dnsIp4 39 107.172.13.168, 49167, 80 AS-COLOCROSSINGUS United States 8->39 29 C:\Users\user\AppData\Local\...\vbc[1].exe, PE32 8->29 dropped 31 C:\Users\Public\vbc.exe, PE32 8->31 dropped 67 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 8->67 15 vbc.exe 18 8->15         started        33 C:\Users\user\...\~$SCAN_PAYMENT_SLIP.xlsx, data 13->33 dropped file5 signatures6 process7 file8 35 C:\Users\user\AppData\Local\...\biypvrnq.exe, PE32 15->35 dropped 41 Multi AV Scanner detection for dropped file 15->41 19 biypvrnq.exe 15->19         started        signatures9 process10 signatures11 51 Multi AV Scanner detection for dropped file 19->51 53 Tries to steal Mail credentials (via file registry) 19->53 55 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 19->55 57 Injects a PE file into a foreign processes 19->57 22 biypvrnq.exe 54 19->22         started        process12 dnsIp13 37 hstfurnaces.net 77.232.41.27, 49168, 49169, 49170 EUT-ASEUTIPNetworkRU Russian Federation 22->37 27 C:\Users\user\AppData\...\5879F5.exe (copy), PE32 22->27 dropped 59 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->59 61 Tries to steal Mail credentials (via file / registry access) 22->61 63 Tries to harvest and steal ftp login credentials 22->63 65 Tries to harvest and steal browser information (history, passwords, etc) 22->65 file14 signatures15
Threat name:
Document-OLE.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2022-03-15 22:57:25 UTC
AV detection:
15 of 27 (55.56%)
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 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
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 MSIL/GenKryptik.FQRH Download Request
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
Malware Config
C2 Extraction:
http://hstfurnaces.net/ge3/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 99d00e1001a8c91202d83bcd8acbdc7e24ae3357a9342832d8d5e5b7267a9630

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments