MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 846dc05571b4b1817b28a6aa8eff2e0973b6428ad2729716ed296522903a9b95. 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: 11


Intelligence 11 IOCs YARA File information Comments

SHA256 hash: 846dc05571b4b1817b28a6aa8eff2e0973b6428ad2729716ed296522903a9b95
SHA3-384 hash: 03e332b572896285f943eeacbfffbce2e1f5c41fc3fa77cc1b17a4de1e3e62bb90753dac64754ca06d84eba4b3407f31
SHA1 hash: 4ff134d015ac2df0adf82c951368660e711ca0d2
MD5 hash: 2a76ccdd4e0345bd4019bc503339b4e8
humanhash: michigan-arkansas-connecticut-coffee
File name:GRAFINGER002090320-INV.xlsx
Download: download sample
File size:357'888 bytes
First seen:2022-04-14 11:20:21 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/encrypted
ssdeep 6144:UI4JXYvlovRuZphZMJKEYbRltPa5ukfHXixH1FVXzjZM922AH8onQE7h:UI45YmEphZMJmfPjkPCFVjjZuAH
TLSH T10E74129A3E376F5BCD171AF9CF06610D1EE3FC20B74A4226B09A797A3CB57641C6011A
Reporter abuse_ch
Tags:CVE-2018-0798 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
5351176 bytesEncryptedPackage
6224 bytesEncryptionInfo

Intelligence


File Origin
# of uploads :
1
# of downloads :
243
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
GRAFINGER002090320-INV.xlsx
Verdict:
Malicious activity
Analysis date:
2022-04-14 19:49:12 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Has a screenshot:
False
Contains macros:
False
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
Adding an access-denied ACE
Launching cmd.exe command interpreter
Forced shutdown of a system process
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Unauthorized injection to a system process
Result
Verdict:
Malicious
File Type:
OOXML Excel File with Embedding Objects in Encrypted Excel File
Document image
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe embedequation exploit packed shellcode VelvetSweatshop
Label:
Malicious
Suspicious Score:
6.5/10
Score Malicious:
65%
Score Benign:
35%
Result
Verdict:
MALICIOUS
Details
Document With No Content
Document contains little or no semantic information.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
Drops PE files to the user root directory
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
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)
Sigma detected: Droppers Exploiting CVE-2017-11882
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: Execution from Suspicious Folder
Sigma detected: File Dropped By EQNEDT32EXE
Behaviour
Behavior Graph:
Threat name:
Document-OLE.Exploit.CVE-2018-0798
Status:
Malicious
First seen:
2022-04-14 09:51:18 UTC
File Type:
Document
Extracted files:
63
AV detection:
14 of 26 (53.85%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
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 use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Loads dropped DLL
Uses the VBS compiler for execution
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
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.

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