MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 74f99acf2796cc8bc7c4a48ba81e659c5afc50569b25f699ac3751a0804a6e2f. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 74f99acf2796cc8bc7c4a48ba81e659c5afc50569b25f699ac3751a0804a6e2f
SHA3-384 hash: 462cc9e29c8d764290adb59f016887438124e9440fbee6feed4d68b2bfcbaf156f640420cb9437b775ac6b5580f43a1f
SHA1 hash: 883bad0cef3aca33e99f2fa839449e241c45b50d
MD5 hash: bd052ee9704926558e7f9afe3e2cf9a1
humanhash: cup-india-kilo-triple
File name:IRD-N. 9900.xlsx
Download: download sample
Signature Loki
Create hunting rule
File size:266'664 bytes
First seen:2022-06-17 08:18:59 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/encrypted
ssdeep 6144:CbP0nheG8eiI2DX8ZEc0pRXA0Q/sNFC3XQ7umAi+iKZuRJ5W:CL0QGFiIMFQ0Q/UwXzmAJiKZAA
TLSH T1344412BC7D99A57DDCB839BD01BDEA094634CC27EC6A00A55739B5FCE531C260522336
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
5260008 bytesEncryptedPackage
6224 bytesEncryptionInfo

Intelligence

File Origin
# of uploads :
1
# of downloads :
215
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/280877/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.39659433.11511.26173.UNOFFICIAL
Create hunting rule

PUA.Doc.Packed.EncryptedDoc-6563700-0
Create hunting rule

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
Sending an HTTP GET request
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/74f99acf2796cc8bc7c4a48ba81e659c5afc50569b25f699ac3751a0804a6e2f/results/dashboard
Document image
Image:
Download PNG
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit shellcode VelvetSweatshop
Link:
https://www.filescan.io/uploads/62ac393ab42c4b10d8435f31/reports/e3871b2d-d879-4619-8f5c-2b912b57961f/overview
Label:
Malicious
Suspicious Score:
9.9/10
Score Malicious:
1%
Score Benign:
0%
Link:
https://www.malware.ai/gui/files/?id=6d7a6b2b-4c78-4504-b0fb-0f46fd71c5f0
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/74f99acf2796cc8bc7c4a48ba81e659c5afc50569b25f699ac3751a0804a6e2f
Details
Document With No Content
Document contains little or no semantic information.
Result
Threat name:
Lokibot
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1015023
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Drops PE files to the user root directory
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 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 establishes network connection
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Shellcode detected
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Snort IDS alert for network traffic
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)
Writes to foreign memory regions
Yara detected aPLib compressed binary
Yara detected Lokibot
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 647528 Sample: IRD-N. 9900.xlsx Startdate: 17/06/2022 Architecture: WINDOWS Score: 100 35 sempersim.su 2->35 51 Snort IDS alert for network traffic 2->51 53 Multi AV Scanner detection for domain / URL 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 15 other signatures 2->57 8 EQNEDT32.EXE 12 2->8         started        13 EXCEL.EXE 34 42 2->13         started        signatures3 process4 dnsIp5 39 185.173.34.97, 49173, 80 ASDETUKhttpwwwheficedcomGB Germany 8->39 29 C:\Users\user\AppData\Local\...\vbc[1].exe, PE32 8->29 dropped 31 C:\Users\Public\vbc.exe, PE32 8->31 dropped 67 Office equation editor establishes network connection 8->67 69 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 8->69 15 vbc.exe 12 1 8->15         started        33 C:\Users\user\Desktop\~$IRD-N. 9900.xlsx, data 13->33 dropped file6 signatures7 process8 dnsIp9 41 www.google.com 172.217.168.68, 443, 49174 GOOGLEUS United States 15->41 25 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 15->25 dropped 43 Multi AV Scanner detection for dropped file 15->43 45 Machine Learning detection for dropped file 15->45 47 Writes to foreign memory regions 15->47 49 3 other signatures 15->49 20 AddInProcess32.exe 54 15->20         started        file10 signatures11 process12 dnsIp13 37 sempersim.su 213.226.126.19, 49175, 49176, 49177 TIMEWEB-ASRU Russian Federation 20->37 27 C:\Users\user\AppData\...\5879F5.exe (copy), PE32 20->27 dropped 59 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->59 61 Tries to steal Mail credentials (via file registry) 20->61 63 Tries to steal Mail credentials (via file / registry access) 20->63 65 2 other signatures 20->65 file14 signatures15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/74f99acf2796cc8bc7c4a48ba81e659c5afc50569b25f699ac3751a0804a6e2f/
Threat name:
Document-Excel.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2022-06-16 23:00:46 UTC
File Type:
Document
Extracted files:
55
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ot4zvtzhs3gixr6eusf2qhtftrnpyucwtms7ngnmg5i2backnyxq._file
Result
Malware family:
lokibot
Create hunting rule
Score:
  10/10
Tags:
family:lokibot collection spyware stealer suricata trojan
Link:
https://tria.ge/reports/220617-j7t6dsbahl/
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 behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
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 Application/Credential Data Exfiltration Detected M1
suricata: ET MALWARE LokiBot Application/Credential Data Exfiltration Detected M2
suricata: ET MALWARE LokiBot Checkin
suricata: ET MALWARE LokiBot Fake 404 Response
suricata: ET MALWARE LokiBot Request for C2 Commands Detected M1
suricata: ET MALWARE LokiBot Request for C2 Commands Detected M2
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://sempersim.su/gg15/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.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/74f99acf2796cc8bc7c4a48ba81e659c5afc50569b25f699ac3751a0804a6e2f

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/280877/

Comments