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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7fa23b1dcdf73a60df190003d1297f0a66c0db99ba4f77aefab83fb2cac31252. 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: 7fa23b1dcdf73a60df190003d1297f0a66c0db99ba4f77aefab83fb2cac31252
SHA3-384 hash: 7cec412f7ad2777fe5aae0223b898b017e5f10ad60b5a69eff3ecf0e1be057da868b00639f68aee1520e95119617f35a
SHA1 hash: d772895781a3f8510be899868c25e9f6d7df0e0c
MD5 hash: a1921c5eaa421e2572758d39543daf0a
humanhash: nine-fix-six-massachusetts
File name:SecuriteInfo.com.DOC.Kryptik.W.20111
Download: download sample
Signature ZLoader
Create hunting rule
File size:259'072 bytes
First seen:2020-08-11 19:19:57 UTC
Last seen:2020-08-11 19:38:14 UTC
File type:Excel file xlsx
MIME type:application/vnd.ms-excel
ssdeep 6144:+k3hbdlylKsgqopeJBWhZFVE+W2NdAJLLp4VL/+RGNY/7TmnI6bWERk9nDaMceM0:Qy7r47TmPbWERk9nDayx+C
TLSH AD4420E3DA401C78DDE2ACB6069B43F31183BA3125348F93A9C5766B7B4E1F2950D1DA
Reporter SecuriteInfoCom
Tags:ZLoader

Intelligence

File Origin
# of uploads :
2
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.DOC.Kryptik.W.20111.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.Excel4PaperPlanes.20200705.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.ZloaderUnicodeRoadToNoWhere.20200720.UNOFFICIAL
Create hunting rule

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:
84 / 100
Link:
https://www.joesandbox.com/analysis/420206
Signature
Document exploit detected (creates forbidden files)
Document exploit detected (process start blacklist hit)
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: Office product drops script at suspicious location
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7fa23b1dcdf73a60df190003d1297f0a66c0db99ba4f77aefab83fb2cac31252/
Threat name:
Document-Word.Trojan.ZLoader
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Status:
Malicious
First seen:
2020-08-11 19:21:06 UTC
AV detection:
12 of 48 (25.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=p6rdwhon645gbxyzaab5ckl7bjtmbw4zxjhxplx2xa73fswdcjja._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Link:
https://tria.ge/reports/200811-gasxqel7kx/
Behaviour
Suspicious Office macro
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
ZLoader
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/7fa23b1dcdf73a60df190003d1297f0a66c0db99ba4f77aefab83fb2cac31252

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