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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9492a3888316093796abacf2ff775b6f2228bb02feaf11e395ceefef98d6b5aa. 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


ZLoader


Vendor detections: 6


Intelligence 6 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9492a3888316093796abacf2ff775b6f2228bb02feaf11e395ceefef98d6b5aa
SHA3-384 hash: d7d6cb4d70e0947244f28a8a0fa2fad58fb07892452642be6d23b21700da7fbc49ff85c5cd6c0c0894b9b3c6e511c532
SHA1 hash: 53f996d1705ca1a8a7e619a8a4453e3e1e647032
MD5 hash: 04115838a94df19889f1a0b67cfed3f7
humanhash: massachusetts-three-bacon-artist
File name:SecuriteInfo.com.DOC.Kryptik.W.21392
Download: download sample
Signature ZLoader
Create hunting rule
File size:262'144 bytes
First seen:2020-08-11 17:00:29 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/vnd.ms-excel
ssdeep 6144:tk3hbdlylKsgqopeJBWhZFVE+W2NdAE6cBWkThGNIntcNH3sY8q/ApnMrwBXGvwm:ABB7Th/S6SIpneS2vw45tX
TLSH 8244CBD1DA429C74CEC085780B6B56F362C7B92626396F9AFEC07423F60A4BC194E1D7
Reporter SecuriteInfoCom
Tags:ZLoader

Intelligence

File Origin
# of uploads :
1
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.DOC.Kryptik.W.21392.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.Excel4PaperPlanes.20200705.UNOFFICIAL
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TwinWave.EvilDoc.ZloaderUnicodeRoadToNoWhere.20200720.UNOFFICIAL
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TwinWave.EvilDoc.ZloaderUnicodeRoadToNoWherePartDuex.20200730.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.ZloaderMustHaveBeenLoveButItsOverNowConditionallyBasedOnEnv.20200804.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process with a hidden window
Deleting a recently created file
Possible injection to a system process
Launching a process by exploiting the app vulnerability
Creating a process from a recently created file
Result
Threat name:
Hidden Macro 4.0
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Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/419781
Signature
Document exploit detected (creates forbidden files)
Document exploit detected (process start blacklist hit)
Document exploit detected (UrlDownloadToFile)
Found abnormal large hidden Excel 4.0 Macro sheet
Found Excel 4.0 Macro with suspicious formulas
Injects code into the Windows Explorer (explorer.exe)
Microsoft Office drops suspicious files
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Sigma detected: Execute DLL with spoofed extension
Sigma detected: Microsoft Office Product Spawning Windows Shell
Sigma detected: Office product drops script at suspicious location
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9492a3888316093796abacf2ff775b6f2228bb02feaf11e395ceefef98d6b5aa/
Threat name:
Document-Word.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-11 17:02:08 UTC
AV detection:
16 of 29 (55.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ssjkhcedcyetpfvlvtzp6523n4rcroyc72xrdy4vz3x67ggwwwva._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Link:
https://tria.ge/reports/200811-gk2rwl4dla/
Behaviour
Suspicious Office macro
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/9492a3888316093796abacf2ff775b6f2228bb02feaf11e395ceefef98d6b5aa

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:ach_ZLoader_xls_20200804
Create hunting rule
Author:abuse.ch
Description:Detects ZLoader XLS
Rule name:msxls_zloader_anti_sandbox_biff_formula
Create hunting rule
Description:Finding XLS2003 documents with a specific anti-sandbox expression
Rule name:msxls_zloader_formula_ptg_ref_num_op_count
Create hunting rule
Description:Finding XLS2003 documents with a large number of PtgRef->PtgNum->PtgOperator entries
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples

File information

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

Comments