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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 989e829731d55da1c9f0afdcebd1de9df19bfa1ff8935cee7b0eb8f1b5378fc5. 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: 7


Intelligence 7 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 989e829731d55da1c9f0afdcebd1de9df19bfa1ff8935cee7b0eb8f1b5378fc5
SHA3-384 hash: 3a88afb1ad7ab864762ee99c5014511f7857cf2e9c5c5e385897b631855ea0826fc5597f150b78cd615ff6af26430ec8
SHA1 hash: a3eaad9a0cb49e8e12678c9e82d93e53d7d38008
MD5 hash: 26f124898bf4a54f4c110bb58b3f38c4
humanhash: asparagus-diet-green-white
File name:SecuriteInfo.com.Heur.30497.14031
Download: download sample
Signature ZLoader
Create hunting rule
File size:156'710 bytes
First seen:2021-01-27 03:08:49 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/vnd.ms-excel
ssdeep 3072:49SUz4tH8vsderSh1yRNJd6zAtH8U5BXKjBPWlyTSgG+g17:49SUz4tH8vsderSh1yRNJdaAtH8U5B6u
TLSH 57E351C2B780CB50CA19A73019A58AA81363EE145EB99F4F7718F73F7F732B65A10095
Reporter SecuriteInfoCom
Tags:ZLoader

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 id
Application name is Microsoft Excel
Office document is in OLE format
OLE dump

MalwareBazaar was able to identify 3 sections in this file using oledump:

Section IDSection sizeSection name
14096 bytesDocumentSummaryInformation
24096 bytesSummaryInformation
3145752 bytesBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
169
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Heur.30497.14031
Verdict:
Malicious activity
Analysis date:
2021-01-27 03:10:00 UTC
Tags:
loader zloader
Link:
https://app.any.run/tasks/64cc2bf7-828a-4186-a9ad-0f011c0c3056

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
File type:
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Has a screenshot:
False
Contains macros:
False
Detection(s):
SecuriteInfo.com.Heur.30497.14031.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.Excel4URLDLNightRunner.20201020.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.XLSLOLBINHammerToFall.20201218.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malicious
File Type:
Legacy Office File
Link:
https://app.docguard.net/989e829731d55da1c9f0afdcebd1de9df19bfa1ff8935cee7b0eb8f1b5378fc5/results/dashboard
Payload URLs
URL
File name
http://wmwifbajxxbcxmucxmlc.com/files/april24.dll
Book
Result
Threat name:
Hidden Macro 4.0
Create hunting rule
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/591450
Signature
Contains functionality to inject code into remote processes
Document exploit detected (creates forbidden files)
Document exploit detected (drops PE 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
Found malicious Excel 4.0 Macro
Found malicious URLs in unpacked macro 4.0 sheet
Found obfuscated Excel 4.0 Macro
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Office process drops PE file
Sigma detected: Microsoft Office Product Spawning Windows Shell
Yara detected hidden Macro 4.0 in Excel
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/989e829731d55da1c9f0afdcebd1de9df19bfa1ff8935cee7b0eb8f1b5378fc5/
Threat name:
Document-Excel.Trojan.Abracadabra
Create hunting rule
Status:
Malicious
First seen:
2021-01-27 03:09:06 UTC
AV detection:
12 of 46 (26.09%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tcpiffzr2vo2dspqv7ooxuo6txyzx6q77cjvz3t3b24pdnjxr7cq._file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/989e829731d55da1c9f0afdcebd1de9df19bfa1ff8935cee7b0eb8f1b5378fc5

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:Email_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:Excel_Hidden_Macro_Sheet
Create hunting rule
Rule name:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:UAC_bypass_bin_mem
Create hunting rule
Author:James_inthe_box
Description:UAC bypass in files like avemaria

File information

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

Comments