MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cbe84e2c523fd51dabb1365df50415ffc51f8159c36798061742f08ba5d31b9b. 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: cbe84e2c523fd51dabb1365df50415ffc51f8159c36798061742f08ba5d31b9b
SHA3-384 hash: 7cebbe20a6c1982eb1485128e9eccd571e37c73df074b88ca7c471d0e60902aa1ca8b502ed9d604999e0cd3210c70550
SHA1 hash: 705c25adbdb7b805e47566540b3804eba178e7da
MD5 hash: cf8b307caa943326ee808bb3cb02deee
humanhash: two-jig-east-table
File name:_2201S_BUSAN_HOCHIMINH_.xlsx
Download: download sample
Signature Loki
File size:191'736 bytes
First seen:2022-02-10 05:50:27 UTC
Last seen:2022-02-10 14:25:59 UTC
File type:Excel file xlsx
MIME type:application/encrypted
ssdeep 3072:W3x5yiKm7/AJj6GEOux8NBVuVnDcq3QT0PyYC9v1EFVW3NdR31od+xXfwsRYXn0D:uam7/AJ6GsWBVuV4MaB9voVWdT3iWPws
TLSH T1DB14126E72932523F1A212321102436A9D79FD5A7E379178A6387FCC9EBF5C925B0E40
Reporter @abuse_ch
Tags: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
Sections: 6
Detection: VelvetSweatshop

The following OLE sections have been found using oledump:

Section IDSection sizeSection name
164 bytesDataSpaces/DataSpaceInfo/StrongEncryptionDataSpace
2112 bytesDataSpaces/DataSpaceMap
3208 bytesDataSpaces/TransformInfo/StrongEncryptionTransform/Primary
476 bytesDataSpaces/Version
5185080 bytesEncryptedPackage
6224 bytesEncryptionInfo

Intelligence


File Origin
# of uploads :
5
# of downloads :
115
Origin country :
DE DE
Mail intelligence
No data
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
DNS request
Creating a window
Searching for synchronization primitives
Launching a process
Creating a file
–°reating synchronization primitives
Sending a custom TCP request
Creating a file in the %temp% directory
Reading critical registry keys
Changing a file
Creating a file in the %AppData% subdirectories
Moving a file to the %AppData% subdirectory
Enabling the 'hidden' option for recently created files
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Query of malicious DNS domain
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
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
Alert level:
75%
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
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
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 569962 Sample: _2201S_BUSAN_HOCHIMINH_.xlsx Startdate: 10/02/2022 Architecture: WINDOWS Score: 100 38 asiaoil.bar 2->38 48 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->48 50 Multi AV Scanner detection for domain / URL 2->50 52 Found malware configuration 2->52 54 15 other signatures 2->54 9 EQNEDT32.EXE 12 2->9         started        14 EXCEL.EXE 33 27 2->14         started        signatures3 process4 dnsIp5 44 198.46.132.195, 49165, 80 AS-COLOCROSSINGUS United States 9->44 32 C:\Users\user\AppData\Local\...\.win32[1].exe, PE32 9->32 dropped 34 C:\Users\Public\vbc.exe, PE32 9->34 dropped 70 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 9->70 16 vbc.exe 19 9->16         started        36 C:\Users\...\~$_2201S_BUSAN_HOCHIMINH_.xlsx, data 14->36 dropped file6 signatures7 process8 file9 28 C:\Users\user\AppData\Local\Temp\xmtxpy.exe, PE32 16->28 dropped 46 Machine Learning detection for dropped file 16->46 20 xmtxpy.exe 16->20         started        signatures10 process11 signatures12 56 Tries to steal Mail credentials (via file registry) 20->56 58 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 20->58 60 Injects a PE file into a foreign processes 20->60 23 xmtxpy.exe 54 20->23         started        process13 dnsIp14 40 104.21.49.244, 49170, 49172, 49174 CLOUDFLARENETUS United States 23->40 42 asiaoil.bar 172.67.197.66, 49166, 49167, 49168 CLOUDFLARENETUS United States 23->42 30 C:\Users\user\AppData\...\5879F5.exe (copy), PE32 23->30 dropped 62 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->62 64 Tries to steal Mail credentials (via file / registry access) 23->64 66 Tries to harvest and steal ftp login credentials 23->66 68 Tries to harvest and steal browser information (history, passwords, etc) 23->68 file15 signatures16
Threat name:
Document-Office.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2022-02-10 02:54:10 UTC
File Type:
Document
Extracted files:
51
AV detection:
18 of 42 (42.86%)
Threat level:
  5/5
Result
Malware family:
lokibot
Score:
  10/10
Tags:
family:lokibot collection spyware stealer trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Modifies data under HKEY_USERS
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
Drops file in Windows directory
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://asiaoil.bar//bobby/five/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

File information


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

Malspam

Loki

Excel file xlsx cbe84e2c523fd51dabb1365df50415ffc51f8159c36798061742f08ba5d31b9b

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments