MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 731b5db2a8e9b13980db415b284403a43bb72663a4b08b4fd83b83033a4ef8ad. 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: 6


Intelligence 6 IOCs YARA 1 File information Comments

SHA256 hash: 731b5db2a8e9b13980db415b284403a43bb72663a4b08b4fd83b83033a4ef8ad
SHA3-384 hash: 194823991fd33a9f5422940c418d1bea11671ae53499bcf4a8b26da1d5fbbc5b4b83ce9b85f268e9826a28f03d2defa4
SHA1 hash: e1afb4aae0e2db667e4a37114107e5e1c58b15c4
MD5 hash: 36388c855834fb80e3661c1aab2e7b60
humanhash: foxtrot-mike-bluebird-fanta
File name:731b5db2a8e9b13980db415b284403a43bb72663a4b08b4fd83b83033a4ef8ad
Download: download sample
File size:1'140'672 bytes
First seen:2022-04-14 06:05:12 UTC
Last seen:2022-04-14 06:53:45 UTC
File type:DLL dll
MIME type:application/x-dosexec
imphash a2d1d0734e8acfbb29b11748a7a006a1
ssdeep 24576:RQWa3cpXhIli9Yz/Ouycyz0++xhDFBCf+I+U:Rycp0ji0PLDmf+Ir
TLSH T16435F06A00429430D8D40AF198AFF744C621A69E4F5A4ACF71E077D5FA279D853FCA3B
Reporter JAMESWT_WT
Tags:dll OmniContact signed

Code Signing Certificate

Organisation:OmniContact
Issuer:Sectigo RSA Code Signing CA
Algorithm:sha256WithRSAEncryption
Valid from:2021-04-20T00:00:00Z
Valid to:2022-04-20T23:59:59Z
Serial number: a5c062ad4940269034670c5d5488ada3
Intelligence: 32 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: b50c750d60735d69e1afe9faee1d97966525ecc52ca9bde6742ef8402f16e8bc
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
2
# of downloads :
244
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware overlay packed
Result
Verdict:
MALICIOUS
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:
n/a
Score:
52 / 100
Signature
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Call by Ordinal
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 609103 Sample: AEbrHs282l Startdate: 14/04/2022 Architecture: WINDOWS Score: 52 13 Multi AV Scanner detection for submitted file 2->13 15 Sigma detected: Suspicious Call by Ordinal 2->15 7 loaddll32.exe 1 2->7         started        process3 process4 9 cmd.exe 1 7->9         started        process5 11 rundll32.exe 9->11         started       
Threat name:
Win32.Trojan.Woreflint
Status:
Malicious
First seen:
2022-04-12 03:42:25 UTC
File Type:
PE (Dll)
Extracted files:
1
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Behaviour
Suspicious use of WriteProcessMemory
Unpacked files
SH256 hash:
731b5db2a8e9b13980db415b284403a43bb72663a4b08b4fd83b83033a4ef8ad
MD5 hash:
36388c855834fb80e3661c1aab2e7b60
SHA1 hash:
e1afb4aae0e2db667e4a37114107e5e1c58b15c4
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:Sectigo_Code_Signed
Description:Detects code signed by the Sectigo RSA Code Signing CA
Reference:https://bazaar.abuse.ch/export/csv/cscb/

File information


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

Comments