MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99ed4247dd3a3173c5aa97ce5a11a62db0dd7eb55b7e4aa5ed5500004a2a9ce7. 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: 99ed4247dd3a3173c5aa97ce5a11a62db0dd7eb55b7e4aa5ed5500004a2a9ce7
SHA3-384 hash: b1fa19866ebfca8a9bfaca14da6776a8555144f11757079eb7a8142a557ec61da80a5320d06c3315b2b54e8b1f3f9e04
SHA1 hash: 1ab89df863ed595eaff7efa7b8f915764ac6980f
MD5 hash: 03489f904684291b7c9c1b97cb9a1c54
humanhash: steak-winner-juliet-oklahoma
File name:PI_YD & VISCOSE.xlsx
Download: download sample
Signature Loki
File size:876'328 bytes
First seen:2021-09-22 05:47:20 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/encrypted
ssdeep 24576:78XQr7IKhVftPmfC2vZzB/cTDmR/xzJM0d+J2pN+MhPag4:786JVft81dBETAtJj+QpV9aX
TLSH T106152384BD539FABE8C374BC955B871E2994CD02225CB103DB1AFB8E707AF7490D5228
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
5865576 bytesEncryptedPackage
6224 bytesEncryptionInfo

Intelligence


File Origin
# of uploads :
1
# of downloads :
222
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PI_YD & VISCOSE.xlsx
Verdict:
Malicious activity
Analysis date:
2021-09-22 05:50:49 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan lokibot stealer

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
Result
Verdict:
Malicious
File Type:
OOXML Excel File with Embedding Objects in Encrypted Excel File
Document image
Document image
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
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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 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 detect sandboxes and other dynamic analysis tools (process name or module or function)
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 access)
Tries to steal Mail credentials (via file registry)
Yara detected AntiVM3
Yara detected aPLib compressed binary
Yara detected Lokibot
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 487789 Sample: PI_YD & VISCOSE.xlsx Startdate: 22/09/2021 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->34 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 16 other signatures 2->40 7 EQNEDT32.EXE 12 2->7         started        12 EXCEL.EXE 34 26 2->12         started        process3 dnsIp4 32 46.183.223.81, 49167, 80 DATACLUBLV Latvia 7->32 24 C:\Users\user\AppData\Local\...\vbc[1].exe, PE32 7->24 dropped 26 C:\Users\Public\vbc.exe, PE32 7->26 dropped 50 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 7->50 14 vbc.exe 7->14         started        28 C:\Users\user\...\~$PI_YD & VISCOSE.xlsx, data 12->28 dropped file5 signatures6 process7 signatures8 52 Multi AV Scanner detection for dropped file 14->52 54 Detected unpacking (changes PE section rights) 14->54 56 Detected unpacking (overwrites its own PE header) 14->56 58 3 other signatures 14->58 17 vbc.exe 54 14->17         started        process9 dnsIp10 30 checkvim.com 46.17.104.253, 49168, 49169, 49170 SUPERSERVERSDATACENTERRU Russian Federation 17->30 22 C:\Users\user\AppData\...\5879F5.exe (copy), PE32 17->22 dropped 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->42 44 Tries to steal Mail credentials (via file access) 17->44 46 Tries to harvest and steal ftp login credentials 17->46 48 Tries to harvest and steal browser information (history, passwords, etc) 17->48 file11 signatures12
Threat name:
Document-OLE.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2021-09-22 05:48:07 UTC
AV detection:
12 of 45 (26.67%)
Threat level:
  5/5
Result
Malware family:
lokibot
Score:
  10/10
Tags:
family:lokibot spyware stealer suricata trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Suspicious use of SetThreadContext
Loads dropped DLL
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 Terse alphanumeric executable downloader high likelihood of being hostile
Malware Config
C2 Extraction:
http://checkvim.com/ga9/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
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 99ed4247dd3a3173c5aa97ce5a11a62db0dd7eb55b7e4aa5ed5500004a2a9ce7

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments