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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b49203aa8da96cd765d5b118040153202e97d5ebd5054f578d57649e9760bc4a. 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: 4


Intelligence 4 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b49203aa8da96cd765d5b118040153202e97d5ebd5054f578d57649e9760bc4a
SHA3-384 hash: 5571180a82ff86f32bec102820b3ea1177df3b48ccb33867193fc74ebd1afc75d932e44a4568e55d6d5ab664e7d50c3a
SHA1 hash: 2a11ff240a62469a22bb226b234800b161242cb1
MD5 hash: bdb24e8b4d9c7f1b7f49a4994ae96b25
humanhash: bacon-kansas-freddie-carolina
File name:invoice 7649.xls
Download: download sample
Signature ZLoader
Create hunting rule
File size:43'008 bytes
First seen:2020-10-14 15:52:47 UTC
Last seen:2020-10-14 17:02:02 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 768:smQk3hOdsylKlgxopeiBNhZFGzE+cL2kdAJW9HHZtXEe2U5JlEFDtRlbM6Ik:ik3hOdsylKlgxopeiBNhZFGzE+cL2kdG
TLSH FD13A4E3EB95ED69CE88833949DB42D46312EC511F6B97837305F6353FB6AA04A01387
Reporter abuse_ch
Tags:xls ZLoader


Avatar
abuse_ch
Malspam distributing ZLoader:

HELO: highestdecisionmakingbody.com
Sending IP: 62.210.130.244
From: Crowe Garrett <reply@highestdecisionmakingbody.com>
Reply-To: Crowe Garrett <noreply@highestdecisionmakingbody.com>
Subject: Receipt #995668 fully compensated
Attachment: invoice 7649.xls

Intelligence

File Origin
# of uploads :
2
# of downloads :
99
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
TwinWave.EvilDoc.ZloaderUnicodeRoadToNoWhere.20200720.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.ZloaderUnicodeRoadToNoWherePartDuex.20200730.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.ZloaderSoakedInCinnamon.20200920.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Result
Threat name:
Hidden Macro 4.0
Create hunting rule
Detection:
malicious
Classification:
expl.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/491410
Signature
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)
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b49203aa8da96cd765d5b118040153202e97d5ebd5054f578d57649e9760bc4a/
Threat name:
Document-Word.Trojan.ZLoader
Create hunting rule
Status:
Malicious
First seen:
2020-10-14 15:54:07 UTC
AV detection:
22 of 48 (45.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/201014-glf2yp29vx/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Checks processor information in registry
Enumerates system info in registry
Suspicious use of FindShellTrayWindow
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.91
Link:
https://yomi.yoroi.company/submissions/b49203aa8da96cd765d5b118040153202e97d5ebd5054f578d57649e9760bc4a

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: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.

Malspam

ZLoader

Excel file xls b49203aa8da96cd765d5b118040153202e97d5ebd5054f578d57649e9760bc4a

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments