MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7ea31c41f9dbd2373ef2dbe2abdad8e95e4c697f114180c120c45ce9fc394722. 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: 7ea31c41f9dbd2373ef2dbe2abdad8e95e4c697f114180c120c45ce9fc394722
SHA3-384 hash: dc653e6cb9d1707285d008ddb1a3793b8295966fbde6227ef1738125182bdab3b25153f5614d31caea6bf0b877bf2d05
SHA1 hash: 4a7c1eafb29fc3f100f4620a1427e4f9369ac333
MD5 hash: 02ed8526ac054fe86cd0ce8433a2eb38
humanhash: five-quebec-beryllium-washington
File name:MT103_Swift Copy.xlsx
Download: download sample
Signature Loki
File size:190'872 bytes
First seen:2022-02-23 08:58:04 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/encrypted
ssdeep 3072:giRvX5OggZefZrU6DAfKH0K0aSAq6Ae6g5AVjApDThoseQwmwT8GZhvxgoPYtyRE:7R/5OzQ46Uf3K0aSGAe6g5AoThwQqT85
TLSH T1C81412582F93CEDEE69176BC6657C0E4282BFE32F8A2C63562047E1505B3C58CF921B5
Reporter TeamDreier
Tags: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
5184216 bytesEncryptedPackage
6224 bytesEncryptionInfo

Intelligence


File Origin
# of uploads :
1
# of downloads :
193
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
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
Sending an HTTP GET request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
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
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 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 dnsIp2 2 Behavior Graph ID: 577043 Sample: MT103_Swift Copy.xlsx Startdate: 23/02/2022 Architecture: WINDOWS Score: 100 37 75bccc18b4d1631c2ecda542c872db27.ga 2->37 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 13 other signatures 2->51 9 EQNEDT32.EXE 12 2->9         started        14 EXCEL.EXE 33 27 2->14         started        signatures3 process4 dnsIp5 43 34.235.167.148, 49167, 80 AMAZON-AESUS United States 9->43 31 C:\Users\user\AppData\...\scan_01[1].exe, PE32 9->31 dropped 33 C:\Users\Public\vbc.exe, PE32 9->33 dropped 67 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 9->67 16 vbc.exe 18 9->16         started        35 C:\Users\user\...\~$MT103_Swift Copy.xlsx, data 14->35 dropped file6 signatures7 process8 file9 27 C:\Users\user\AppData\Local\...\hevlsdx.exe, PE32 16->27 dropped 19 hevlsdx.exe 16->19         started        process10 signatures11 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 hevlsdx.exe 54 19->22         started        process12 dnsIp13 39 75bccc18b4d1631c2ecda542c872db27.ga 104.21.1.106, 49168, 49169, 49170 CLOUDFLARENETUS United States 22->39 41 172.67.129.38, 49174, 49175, 49176 CLOUDFLARENETUS United States 22->41 29 C:\Users\user\AppData\...\5879F5.exe (copy), PE32 22->29 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:
Win32.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2022-02-23 05:06:06 UTC
File Type:
Document
Extracted files:
50
AV detection:
15 of 28 (53.57%)
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)
Malware Config
C2 Extraction:
http://75bccc18b4d1631c2ecda542c872db27.ga/Ausin2/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 7ea31c41f9dbd2373ef2dbe2abdad8e95e4c697f114180c120c45ce9fc394722

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments