MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7497788b450b62b606dfd79e6e11135adcdb014054ee3dd6cb406c35d437e41f. 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: 15


Intelligence 9 IOCs YARA File information Comments

SHA256 hash: 7497788b450b62b606dfd79e6e11135adcdb014054ee3dd6cb406c35d437e41f
SHA3-384 hash: d1b5cf87bde7d5b38d78a93591444e1b0f882a9f3f5b926927304caec5f84c28584633bfcb95522226debe9419aeed0f
SHA1 hash: 3a128b55a996ac8f50f0bc55bce96412f78f921e
MD5 hash: 1a7f20e8fb08afe5100533c784126348
humanhash: mike-oranges-blossom-skylark
File name:MODELS_OkMED.xlsb
Download: download sample
Signature Loki
File size:39'358 bytes
First seen:2021-07-28 13:36:21 UTC
Last seen:2021-07-28 14:38:56 UTC
File type:Excel file xlsx
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 768:bvfFlWNdP+LuuK08+AJP/Ui5ZjluSQS+cCL+Fj9/IysY3VR8I6JML8iP/:bvN2V+a01AJjflupcCqFjJai86
TLSH T19F03BF0FD67288DAC5768EB9400B44A2EB21ADC41167F5042EC4739F93850F7695E2FF
Reporter lowmal3
Tags:Loki 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 id
Maldoc score: 15
OLE dump

MalwareBazaar was able to identify 14 sections in this file using oledump:

Section IDSection sizeSection name
A1453 bytesPROJECT
A277 bytesPROJECTwm
A31007 bytesVBA/Sheet1
A42457 bytesVBA/ThisWorkbook
A53394 bytesVBA/_VBA_PROJECT
A67384 bytesVBA/__SRP_0
A7412 bytesVBA/__SRP_1
A83355 bytesVBA/__SRP_2
A9540 bytesVBA/__SRP_3
A101057 bytesVBA/__SRP_4
A11258 bytesVBA/__SRP_5
A12564 bytesVBA/dir
A1311579 bytesVBA/uqeg
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
SuspiciousshellMay run an executable file or a system command
SuspiciousWSCript.shellMay run an executable file or a system command
SuspiciousRunMay run an executable file or a system command
SuspiciousCreateObjectMay create an OLE object
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)
SuspiciousBase64 StringsBase64-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence


File Origin
# of uploads :
2
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MODELS_OkMED.xlsb
Verdict:
Malicious activity
Analysis date:
2021-07-28 13:39:48 UTC
Tags:
macros macros-on-open loader trojan lokibot stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
File type:
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Has a screenshot:
False
Contains macros:
True
Result
Verdict:
Malicious
File Type:
Excel File with Macro
Document image
Document image
Result
Verdict:
MALICIOUS
Details
Base64 Encoded Powershell Directives
Detected one or more base64 encoded Powershell directives.
Macro with Startup Hook
Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.
Macro Execution Coercion
Detected a document that appears to social engineer the user into activating embedded logic.
Base64 Encoded URL
Detected an ANSI or UNICODE http:// or https:// base64 encoded URL prefix.
Result
Threat name:
Lokibot
Detection:
malicious
Classification:
expl.evad.troj.spyw
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Document contains an embedded VBA macro which may execute processes
Document contains an embedded VBA macro with suspicious strings
Document exploit detected (process start blacklist hit)
Encrypted powershell cmdline option found
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Obfuscated command line found
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
PowerShell case anomaly found
Sigma detected: Microsoft Office Product Spawning Windows Shell
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)
Very long command line found
Yara detected AntiVM3
Yara detected aPLib compressed binary
Yara detected Lokibot
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 455508 Sample: MODELS_OkMED.xlsb Startdate: 28/07/2021 Architecture: WINDOWS Score: 100 32 fossilcourt.com 2->32 34 institutionclose.com 2->34 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 13 other signatures 2->46 10 EXCEL.EXE 26 25 2->10         started        signatures3 process4 file5 30 C:\Users\user\Desktop\~$MODELS_OkMED.xlsb, data 10->30 dropped 60 Obfuscated command line found 10->60 62 Very long command line found 10->62 14 cmd.exe 1 10->14         started        signatures6 process7 signatures8 64 Very long command line found 14->64 66 Encrypted powershell cmdline option found 14->66 68 PowerShell case anomaly found 14->68 17 powershell.exe 27 14->17         started        19 conhost.exe 14->19         started        process9 process10 21 ffghv.exe 17->21         started        signatures11 48 Tries to steal Mail credentials (via file registry) 21->48 50 Injects a PE file into a foreign processes 21->50 24 ffghv.exe 21->24         started        28 ffghv.exe 21->28         started        process12 dnsIp13 36 fossilcourt.com 89.41.173.172, 49725, 49726, 49727 CH-NET-ASRO Romania 24->36 38 192.168.2.1 unknown unknown 24->38 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->52 54 Tries to steal Mail credentials (via file access) 24->54 56 Tries to harvest and steal ftp login credentials 24->56 58 Tries to harvest and steal browser information (history, passwords, etc) 24->58 signatures14
Gathering data
Threat name:
Document-Word.Trojan.Heuristic
Status:
Malicious
First seen:
2021-07-28 12:29:01 UTC
AV detection:
8 of 46 (17.39%)
Threat level:
  2/5
Result
Malware family:
lokibot
Score:
  10/10
Tags:
family:lokibot macro spyware stealer suricata trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Suspicious use of SetThreadContext
Downloads MZ/PE file
CustAttr .NET packer
Lokibot
Process spawned unexpected child process
suricata: ET MALWARE LokiBot Checkin
suricata: ET MALWARE LokiBot User-Agent (Charon/Inferno)
Malware Config
C2 Extraction:
http://fossilcourt.com/temp/Panel/five/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 7497788b450b62b606dfd79e6e11135adcdb014054ee3dd6cb406c35d437e41f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments