MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88f2688c1d5405bb3ebac4098042dde3a79b2c2e10b026df3a3f797496a70c22. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments

SHA256 hash: 88f2688c1d5405bb3ebac4098042dde3a79b2c2e10b026df3a3f797496a70c22
SHA3-384 hash: 8815f20679fdfd926bb62da30fc159440c1e56aaa059dbb3d985fdb524ba34623644a222baff3ee81480db97fb664550
SHA1 hash: f25b1eadf7f7f84df62a74a2a220db49445f9855
MD5 hash: fbe979170054fe0274f6332aace920b3
humanhash: jersey-quebec-island-blossom
File name:Purchase order.xlsx
Download: download sample
Signature Loki
File size:782'825 bytes
First seen:2021-05-25 08:32:55 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 12288:D6SzV97Cn3eUsWpFkJwwK0sz1bTc02jMGOn9+eXzD4CWnV0oGLx/vfZXZk0B8LBl:WSzVEnsW/awwTUFTc08e9+Y+0oGLxhXA
TLSH D8F43369AF375B2887CE23F3B1DE5A8BE72CC8715844205968D6D01C5DCB713883EA9C
Reporter cocaman
Tags:CVE-2017-11882 Loki xlsx


Avatar
cocaman
Malicious email (T1566.001)
From: "Ranjith Kumar<exports@asvcompany.biz>" (likely spoofed)
Received: "from mail0.asvcompany.biz (mail0.asvcompany.biz [174.138.28.252]) "
Date: "25 May 2021 06:13:31 +0000"
Subject: "Purchase Order"
Attachment: "Purchase order.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

MalwareBazaar was able to identify 3 sections in this file using oledump:

Section IDSection sizeSection name
A1999797 bytesole10nAtive
A20 byteshRBmVuKqvySq4

Intelligence


File Origin
# of uploads :
1
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Malicious
File type:
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Has a screenshot:
False
Contains macros:
False
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
DNS request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a file
Reading critical registry keys
Launching a service
Changing a file
Replacing files
Connection attempt
Sending an HTTP POST request
Creating a file in the %AppData% subdirectories
Deleting a recently created file
Moving a file to the %AppData% subdirectory
Enabling the 'hidden' option for recently created files
Sending an HTTP GET request
Launching a file downloaded from the Internet
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
OOXML Excel File with Embedding Objects
Document image
Document image
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)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
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)
Performs DNS queries to domains with low reputation
Sigma detected: Droppers Exploiting CVE-2017-11882
Sigma detected: EQNEDT32.EXE connecting to internet
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 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: 423720 Sample: Purchase order.xlsx Startdate: 25/05/2021 Architecture: WINDOWS Score: 100 31 oct1.xyz 2->31 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 12 other signatures 2->53 8 EQNEDT32.EXE 11 2->8         started        13 EXCEL.EXE 57 13 2->13         started        signatures3 process4 dnsIp5 37 oooprog.ru 91.226.92.10, 49165, 80 ROSTELECOM-ASRU Russian Federation 8->37 23 C:\Users\user\AppData\Roaming\uaqzxrwfr.exe, PE32 8->23 dropped 25 C:\Users\user\AppData\...\retretwork[1].exe, PE32 8->25 dropped 63 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 8->63 15 uaqzxrwfr.exe 21 8->15         started        27 C:\Users\user\Desktop\~$Purchase order.xlsx, data 13->27 dropped file6 signatures7 process8 file9 29 C:\Users\user\AppData\Local\...\System.dll, PE32 15->29 dropped 39 Detected unpacking (changes PE section rights) 15->39 41 Detected unpacking (overwrites its own PE header) 15->41 43 Tries to steal Mail credentials (via file registry) 15->43 45 2 other signatures 15->45 19 uaqzxrwfr.exe 54 15->19         started        signatures10 process11 dnsIp12 33 oct1.xyz 104.21.3.187, 49166, 49167, 49168 CLOUDFLARENETUS United States 19->33 35 172.67.131.25, 49169, 49174, 49176 CLOUDFLARENETUS United States 19->35 55 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->55 57 Tries to steal Mail credentials (via file access) 19->57 59 Tries to harvest and steal ftp login credentials 19->59 61 Tries to harvest and steal browser information (history, passwords, etc) 19->61 signatures13
Threat name:
Document-Office.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2021-05-25 03:51:49 UTC
File Type:
Document
Extracted files:
19
AV detection:
22 of 47 (46.81%)
Threat level:
  5/5
Result
Malware family:
lokibot
Score:
  10/10
Tags:
family:lokibot spyware stealer trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
NSIS installer
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Lokibot
Malware Config
C2 Extraction:
http://oct1.xyz/tkrr/T1/w2/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.

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:Email_stealer_bin_mem
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:IPPort_combo_mem
Author:James_inthe_box
Description:IP and port combo
Rule name:Select_from_enumeration
Author:James_inthe_box
Description:IP and port combo
Rule name:SharedStrings
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:UAC_bypass_bin_mem
Author:James_inthe_box
Description:UAC bypass in files like avemaria

File information


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

Malspam

Loki

Excel file xlsx 88f2688c1d5405bb3ebac4098042dde3a79b2c2e10b026df3a3f797496a70c22

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments