MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28acc2c366be7e05e2be2282dc6c38e241fdcb3d603bde37258584ebbf34c9bc. 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: 9


Maldoc score: 23


Intelligence 9 IOCs YARA 5 File information Comments

SHA256 hash: 28acc2c366be7e05e2be2282dc6c38e241fdcb3d603bde37258584ebbf34c9bc
SHA3-384 hash: 6db690c581e4a2946b9d217a2f47d475d20c5183f42c63a07bb2d89d7e80c0080260ba47091de77220933ccb2b149b65
SHA1 hash: 566281d67a38e764643b82d562e4164292167bfd
MD5 hash: 521fd6d2199aa0b406b9665eb6fa0246
humanhash: chicken-music-wisconsin-delaware
File name:PI.2.5.2021.xls
Download: download sample
Signature Loki
File size:74'752 bytes
First seen:2021-03-10 17:07:54 UTC
Last seen:2021-03-10 18:52:16 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 1536:DMxEtjPOtioVjDGUU1qfDlaGGx+cL2QnA40ewZELSPm3l+zvsjZpZ44LuKuyuAuT:DMxEtjPOtioVjDGUU1qfDlaGGx+cL2QY
TLSH F27339967280F909D95867754CEEC7E62B36FC446F63870B3285F72F2F366808902687
Reporter abuse_ch
Tags:Loki RAT xls


Avatar
abuse_ch
Malspam distributing Loki:

HELO: mo17.mail-out.ovh.net
Sending IP: 178.32.228.17
From: Dante <dante@lj-immo.com>
Subject: Balance Payment
Attachment: PI.2.5.2021.xls

Loki C2:
http://haewonkwonskil.hopto.org/float/Panel/five/fre.php

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 id
Maldoc score: 23
Application name is Microsoft Excel
Office document is in OLE format
Office document contains VBA Macros
OLE dump

MalwareBazaar was able to identify 19 sections in this file using oledump:

Section IDSection sizeSection name
1107 bytesCompObj
2244 bytesDocumentSummaryInformation
3224 bytesSummaryInformation
438561 bytesWorkbook
5570 bytes_VBA_PROJECT_CUR/PROJECT
6128 bytes_VBA_PROJECT_CUR/PROJECTwm
7951 bytes_VBA_PROJECT_CUR/VBA/Module1
8985 bytes_VBA_PROJECT_CUR/VBA/Sheet1
9985 bytes_VBA_PROJECT_CUR/VBA/Sheet2
10985 bytes_VBA_PROJECT_CUR/VBA/Sheet3
1111543 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
125778 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
133008 bytes_VBA_PROJECT_CUR/VBA/__SRP_0
14262 bytes_VBA_PROJECT_CUR/VBA/__SRP_1
151812 bytes_VBA_PROJECT_CUR/VBA/__SRP_2
16286 bytes_VBA_PROJECT_CUR/VBA/__SRP_3
17136 bytes_VBA_PROJECT_CUR/VBA/__SRP_4
18104 bytes_VBA_PROJECT_CUR/VBA/__SRP_5
19612 bytes_VBA_PROJECT_CUR/VBA/dir
OLE vba

MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:

TypeKeywordDescription
AutoExecWorkbook_OpenRuns when the Excel Workbook is opened
SuspiciousOpenMay open a file
SuspiciousWriteMay write to a file (if combined with Open)
Suspiciousadodb.streamMay create a text file
SuspiciousSaveToFileMay create a text file
SuspiciousShellMay run an executable file or a system command
SuspiciousWScript.ShellMay run an executable file or a system command
SuspiciousCreateObjectMay create an OLE object
SuspiciousShell.ApplicationMay run an application (if combined with CreateObject)
Suspiciousmicrosoft.xmlhttpMay download files from the Internet
SuspiciousChrMay attempt to obfuscate specific strings (use option --deobf to deobfuscate)
SuspiciousHex StringsHex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence


File Origin
# of uploads :
2
# of downloads :
119
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PI.2.5.2021.xls
Verdict:
Malicious activity
Analysis date:
2021-03-10 18:40:23 UTC
Tags:
macros macros-on-open maldoc-5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/vnd.ms-excel
Has a screenshot:
False
Contains macros:
True
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Document image
Document image
Result
Verdict:
MALICIOUS
Details
Macro with Startup Hook
Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.
Macro with File System Write
Detected macro logic that can write data to the file system.
Shell.Application Object
Detected the instantiation of Shell Application object within the macro.
Macro Contains Suspicious String
Detected a macro with a suspicious string. Suspicious strings include privileged function calls, obfuscations, odd registry keys, etc...
Result
Threat name:
Lokibot
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Document contains an embedded VBA macro with suspicious strings
Document contains an embedded VBA with functions possibly related to ADO stream file operations
Document contains an embedded VBA with functions possibly related to HTTP operations
Document contains an embedded VBA with hexadecimal encoded strings
Document exploit detected (creates forbidden files)
Document exploit detected (drops PE files)
Document exploit detected (process start blacklist hit)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Office process drops PE file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: MS Office Product Spawning Exe in User Dir
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 AntiVM_3
Yara detected aPLib compressed binary
Yara detected Lokibot
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 366461 Sample: PI.2.5.2021.xls Startdate: 10/03/2021 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 17 other signatures 2->41 7 EXCEL.EXE 61 30 2->7         started        process3 dnsIp4 23 tennioplon.biz.pl 109.104.151.104, 443, 49167 ITIRANA-AL-ASImportfromPronetAL Albania 7->23 19 C:\Users\user\AppData\...\XTZFWWQQE.exe, PE32 7->19 dropped 21 C:\Users\user\...\iorjfurjkugkfjrf[1].exe, PE32 7->21 dropped 43 Document exploit detected (creates forbidden files) 7->43 45 Document exploit detected (process start blacklist hit) 7->45 12 XTZFWWQQE.exe 7->12         started        file5 signatures6 process7 signatures8 47 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 12->47 49 Tries to steal Mail credentials (via file registry) 12->49 51 Machine Learning detection for dropped file 12->51 53 Injects a PE file into a foreign processes 12->53 15 XTZFWWQQE.exe 54 12->15         started        process9 dnsIp10 25 haewonkwonskil.hopto.org 154.120.123.191, 49170, 49171, 49172 SpectranetNG Nigeria 15->25 27 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->27 29 Tries to steal Mail credentials (via file access) 15->29 31 Tries to harvest and steal ftp login credentials 15->31 33 Tries to harvest and steal browser information (history, passwords, etc) 15->33 signatures11
Gathering data
Threat name:
Script-Macro.Trojan.Heuristic
Status:
Malicious
First seen:
2021-03-10 17:08:45 UTC
AV detection:
16 of 27 (59.26%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro macro_on_action
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Office loads VBA resources, possible macro or embedded object present
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 xls 28acc2c366be7e05e2be2282dc6c38e241fdcb3d603bde37258584ebbf34c9bc

(this sample)

  
Delivery method
Distributed via e-mail attachment

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