MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cbfbec028993608d6c29df72cbc44ff7a59d56e2f3eda2e29bacd35ab398fd52. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cbfbec028993608d6c29df72cbc44ff7a59d56e2f3eda2e29bacd35ab398fd52
SHA3-384 hash: bd15b91e490586bb9cdd0337327e9826cd7f4f216093587314287edd439f93de3e54f0bab961169ca9e077ef4e64efd2
SHA1 hash: e8a677464d6f68db5123c712d3d6aa470634965f
MD5 hash: 43a111fe3c99d56ebb72d970d9f81d15
humanhash: cold-hotel-spring-edward
File name:TT COPY.xlsx
Download: download sample
Signature Loki
Create hunting rule
File size:317'960 bytes
First seen:2022-01-13 13:23:15 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/encrypted
ssdeep 6144:gRDxMbijhWpANz/xrsr3nOtn8sfsCpabd12loMPojFnH2nMpd0W2X:gkbYUUMXQlj4WoMwH2nMXl2X
TLSH T1126412947046EB1FEBAB0CFD13284040727BFC459263A0AD948573F6EDB97CB87A1199
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
5310280 bytesEncryptedPackage
6224 bytesEncryptionInfo

Intelligence

File Origin
# of uploads :
1
# of downloads :
149
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TT COPY.xlsx
Verdict:
Malicious activity
Analysis date:
2022-01-13 11:00:29 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan lokibot stealer
Link:
https://app.any.run/tasks/9f1b3d27-d48a-4c8c-9c7a-9ae75b63fb66

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
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/219028/
Detection(s):
PUA.Doc.Packed.EncryptedDoc-6563700-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Searching for the window
DNS request
Creating a window
Creating a file
Сreating synchronization primitives
Creating a file in the %temp% directory
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
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
Link:
https://app.docguard.net/cbfbec028993608d6c29df72cbc44ff7a59d56e2f3eda2e29bacd35ab398fd52/results/dashboard
Document image
Image:
Download PNG
Document image
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe embedequation excel.exe exploit shell32.dll shellcode VelvetSweatshop
Link:
https://www.filescan.io/uploads/61e027f9e997359713e6321b/reports/098c07dc-c105-462e-b395-f95ad3e0ff71/overview
Label:
Malicious
Suspicious Score:
9.6/10
Score Malicious:
97%
Score Benign:
3%
Link:
https://www.malware.ai/gui/files/?id=ea4fabc6-50b8-45da-8a1b-462b61b0332f
Result
Threat name:
Lokibot
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/920156
Signature
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
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 552635 Sample: TT COPY.xlsx Startdate: 13/01/2022 Architecture: WINDOWS Score: 100 34 mainlandtoisland.ml 2->34 50 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->50 52 Multi AV Scanner detection for domain / URL 2->52 54 Found malware configuration 2->54 56 15 other signatures 2->56 8 EQNEDT32.EXE 12 2->8         started        13 EXCEL.EXE 33 25 2->13         started        signatures3 process4 dnsIp5 40 198.12.81.81, 49165, 80 AS-COLOCROSSINGUS United States 8->40 26 C:\Users\user\AppData\Local\...\vbc[1].exe, PE32 8->26 dropped 28 C:\Users\Public\vbc.exe, PE32 8->28 dropped 66 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 8->66 15 vbc.exe 19 8->15         started        30 C:\Users\user\Desktop\~$TT COPY.xlsx, data 13->30 dropped file6 signatures7 process8 file9 32 C:\Users\user\AppData\Local\...\qljabp.dll, PE32 15->32 dropped 42 Multi AV Scanner detection for dropped file 15->42 44 Tries to steal Mail credentials (via file registry) 15->44 46 Machine Learning detection for dropped file 15->46 48 Injects a PE file into a foreign processes 15->48 19 vbc.exe 54 15->19         started        signatures10 process11 dnsIp12 36 mainlandtoisland.ml 104.21.37.76, 49166, 49167, 49168 CLOUDFLARENETUS United States 19->36 38 172.67.205.227, 49170, 49171, 49174 CLOUDFLARENETUS United States 19->38 24 C:\Users\user\AppData\...\5879F5.exe (copy), PE32 19->24 dropped 58 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->58 60 Tries to steal Mail credentials (via file / registry access) 19->60 62 Tries to harvest and steal ftp login credentials 19->62 64 Tries to harvest and steal browser information (history, passwords, etc) 19->64 file13 signatures14
Detection:
lokibot
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cbfbec028993608d6c29df72cbc44ff7a59d56e2f3eda2e29bacd35ab398fd52/
Threat name:
Document-Office.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2022-01-12 18:17:33 UTC
File Type:
Document
Extracted files:
49
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zp56yaujsnqi23bj35zmxrcp66sz2vxc6pw2fyu3vtjvvm4y7vja._file
Result
Malware family:
lokibot
Create hunting rule
Score:
  10/10
Tags:
family:lokibot collection spyware stealer trojan
Link:
https://tria.ge/reports/220113-qndsmaadg3/
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
Malware Config
C2 Extraction:
http://mainlandtoisland.ml/BN2/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
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/cbfbec028993/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Lokibot
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/cbfbec028993608d6c29df72cbc44ff7a59d56e2f3eda2e29bacd35ab398fd52

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address

File information

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

Malspam

Loki

Excel file xlsx cbfbec028993608d6c29df72cbc44ff7a59d56e2f3eda2e29bacd35ab398fd52

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/219028/

Comments