MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90a777852be885a9b7ab7ca025c97ee6657dc052fef2ba29fec501673bd3592a. 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



Threat unknown


Vendor detections: 7


Intelligence 7 IOCs YARA 2 File information Comments

SHA256 hash: 90a777852be885a9b7ab7ca025c97ee6657dc052fef2ba29fec501673bd3592a
SHA3-384 hash: 29918fae126a0f6c0fb70f238ee9f418818244bc07a87c5f65201dddb348caf88a5f8c9a3c0201a05f1472680a129d1c
SHA1 hash: 394815037b55897d3efd172c8ade35fa7b3fcdcb
MD5 hash: d2b32cf964c08151a6de3166a72f3980
humanhash: colorado-purple-beryllium-single
File name:invoice.xll
Download: download sample
File size:1'820'672 bytes
First seen:2022-12-23 04:23:53 UTC
Last seen:2022-12-23 05:36:56 UTC
File type:Excel file xll
MIME type:application/x-dosexec
imphash 8301c3dbb65c7db423a7606b1e06f8e3
ssdeep 49152:Pm0aTszunldDi12in8cBjGRcRn1TIU6iGM:PoTmwNzcBjTRe+
Threatray 3 similar samples on MalwareBazaar
TLSH T1F7859E03F69549A9C5AEC274C3579B32E772BC850726F7EF1BD0A5203D12BE16B29348
TrID 48.7% (.EXE) Win64 Executable (generic) (10523/12/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Reporter abuse_ch
Tags:xll

Intelligence


File Origin
# of uploads :
2
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
invoice.xll
Verdict:
No threats detected
Analysis date:
2022-12-23 04:34:34 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malicious
File Type:
Office Add-Ins - Suspicious
Payload URLs
URL
File name
https://docs.rs/getrandom#nodejs-es-module-supportCalling
Office Plugin File
Behaviour
BlacklistAPI detected
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm greyware hacktool shell32.dll
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
56 / 100
Signature
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 772512 Sample: invoice.dll Startdate: 23/12/2022 Architecture: WINDOWS Score: 56 19 Multi AV Scanner detection for submitted file 2->19 21 Machine Learning detection for sample 2->21 23 Initial sample is a PE file and has a suspicious name 2->23 7 loaddll64.exe 1 2->7         started        process3 process4 9 cmd.exe 1 7->9         started        11 rundll32.exe 7->11         started        13 rundll32.exe 7->13         started        15 conhost.exe 7->15         started        process5 17 rundll32.exe 9->17         started       
Threat name:
Win64.Trojan.Generic
Status:
Suspicious
First seen:
2022-12-23 00:58:25 UTC
File Type:
PE+ (Dll)
AV detection:
7 of 26 (26.92%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Loads dropped DLL
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:Find_Any_Xll_Files
Author:David Ledbetter @Ledtech3
Description:Find Any XLL File
Rule name:susp_msoffice_addins_wxll
Author:SBousseaden
Description:hunt for suspicious MS Office Addins with code injection capabilities
Reference:https://twitter.com/JohnLaTwC/status/1315287078855352326

File information


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

Comments