MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 85a13c79e4c7012c0488a04bb0cac6081e024b2ac2fa205a40a3bd40106b949d. 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: 85a13c79e4c7012c0488a04bb0cac6081e024b2ac2fa205a40a3bd40106b949d
SHA3-384 hash: c8661f0413f7424a6d663763e38e8df524aac837b9d15eb8c25c27f3151d4799e3f105fa4aa03208fc5159f1a8df67c0
SHA1 hash: 4a10d8e95e04242cde272b3330c6fb8b8f0d876b
MD5 hash: bddf8f55b7b681baf32ecdc9e27ed163
humanhash: kansas-stairway-enemy-juliet
File name:Swift-20034.xlsx
Download: download sample
Signature Loki
File size:192'088 bytes
First seen:2022-04-05 17:48:40 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/encrypted
ssdeep 3072:NgzU+sfmjJLxRyLaMU+Buct9HIjsww4cjeI5zK8I/Ym+bhYZLvQIR/L:V+ss4Weum2u4c48YkIJL
TLSH T1CB1402F63703A0D1D0147EB80B49C2F13889DE92A8D5CA45A6B6F3C745B99CA5710BFC
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
5185432 bytesEncryptedPackage
6224 bytesEncryptionInfo

Intelligence


File Origin
# of uploads :
1
# of downloads :
255
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
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
Stealing user critical data
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
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: 603650 Sample: Swift-20034.xlsx Startdate: 05/04/2022 Architecture: WINDOWS Score: 100 38 hyatqfuh9olahvxf.gq 2->38 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 9 EQNEDT32.EXE 12 2->9         started        14 EXCEL.EXE 33 27 2->14         started        signatures3 process4 dnsIp5 44 75.127.1.237, 49173, 80 AS-COLOCROSSINGUS United States 9->44 32 C:\Users\user\AppData\Local\...\vbc[1].exe, PE32 9->32 dropped 34 C:\Users\Public\vbc.exe, PE32 9->34 dropped 74 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 9->74 16 vbc.exe 18 9->16         started        36 C:\Users\user\Desktop\~$Swift-20034.xlsx, data 14->36 dropped file6 signatures7 process8 file9 28 C:\Users\user\AppData\Local\Temp\rcgdjv.exe, PE32 16->28 dropped 46 Multi AV Scanner detection for dropped file 16->46 48 Machine Learning detection for dropped file 16->48 20 rcgdjv.exe 16->20         started        signatures10 process11 signatures12 58 Multi AV Scanner detection for dropped file 20->58 60 Tries to steal Mail credentials (via file registry) 20->60 62 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 20->62 64 Injects a PE file into a foreign processes 20->64 23 rcgdjv.exe 54 20->23         started        process13 dnsIp14 40 hyatqfuh9olahvxf.gq 104.21.5.136, 49174, 49175, 49176 CLOUDFLARENETUS United States 23->40 42 172.67.133.127, 49177, 49179, 49180 CLOUDFLARENETUS United States 23->42 30 C:\Users\user\AppData\...\5879F5.exe (copy), PE32 23->30 dropped 66 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->66 68 Tries to steal Mail credentials (via file / registry access) 23->68 70 Tries to harvest and steal ftp login credentials 23->70 72 Tries to harvest and steal browser information (history, passwords, etc) 23->72 file15 signatures16
Threat name:
Document-Word.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2022-04-05 17:49:10 UTC
File Type:
Document
Extracted files:
51
AV detection:
17 of 26 (65.38%)
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 registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
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://hyatqfuh9olahvxf.gq/BN3/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.

Comments