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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 003171d90aa2fc40f765d578ea82980fd4a8a1339cd042acd93a7a07dbd8a8d3. 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: 003171d90aa2fc40f765d578ea82980fd4a8a1339cd042acd93a7a07dbd8a8d3
SHA3-384 hash: 08dbafc9f4a92b0756248067a47444ec159e0f116c699d7b998011b5d5c782ecac7d11542f0353bada346d6fe411d6ef
SHA1 hash: b5fe04e2186f56c2590389ee1dae10d4bac1cb83
MD5 hash: ff09edacc883b1e29206b8d25fe1da07
humanhash: mississippi-saturn-four-undress
File name:myResume.xlsb
Download: download sample
Signature ZLoader
Create hunting rule
File size:91'896 bytes
First seen:2020-10-18 06:33:42 UTC
Last seen:2020-10-18 07:57:18 UTC
File type:Excel file xlsx
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 1536:k/k9PYokxOqYwFfDMltL5XCA5URADjof4ANt15fkbzYkT7xSn0:k/0KnfktQAbsf4ABd4zlS0
TLSH 4993BF4FD90CA8A7C63DA17C6E015DE52A48615AAC4376DF21706E483EE62C32ECF56C
Reporter abuse_ch
Tags:GMX october14 xlsb ZLoader


Avatar
abuse_ch
Malspam distributing ZLoader:

HELO: mout-xforward.gmx.com
Sending IP: 82.165.159.130
From: Rosaleen Lough <Rosal.Lou@mail.com>
Subject: Job Application
Attachment: myResume.xlsb

ZLoader payload URL:
http://205.185.113.20/cXQT5g

Intelligence

File Origin
# of uploads :
2
# of downloads :
180
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Generic.Trojan.3b4.11130.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process with a hidden window
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Launching a process by exploiting the app vulnerability
Result
Threat name:
Hidden Macro 4.0
Create hunting rule
Detection:
malicious
Classification:
expl.evad
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/494577
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
Sigma detected: Microsoft Office Product Spawning Windows Shell
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/003171d90aa2fc40f765d578ea82980fd4a8a1339cd042acd93a7a07dbd8a8d3/
Threat name:
Document-Office.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2020-10-16 14:12:41 UTC
AV detection:
2 of 48 (4.17%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=aayxdwikul6eb53f2v4ovauyb7kkrijtttieflgzhj5apw6yvdjq._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://tria.ge/reports/201018-gej1tvfw4a/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Suspicious use of FindShellTrayWindow
Process spawned suspicious child process
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Dropper
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/003171d90aa2fc40f765d578ea82980fd4a8a1339cd042acd93a7a07dbd8a8d3

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_Dridex_xls_20200528
Create hunting rule
Author:abuse.ch
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 xlsx 003171d90aa2fc40f765d578ea82980fd4a8a1339cd042acd93a7a07dbd8a8d3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/710871/
  
Delivery method
Distributed via e-mail attachment

Comments