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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0c83a3effad40d9863c573af2ea95862fc08a15277608e728dcdf385fd8eec48. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0c83a3effad40d9863c573af2ea95862fc08a15277608e728dcdf385fd8eec48
SHA3-384 hash: 8969035549c3ef74b475b832b6d26a50e4f00b1f2da63771e35338427d788576f1d08206f943521b190673f695c21732
SHA1 hash: 9405d3c7646455bc291ec85833c8a9c83f045415
MD5 hash: e305faa66a8defa8667a143f2c096ff0
humanhash: leopard-sink-vermont-triple
File name:details_0810s(2).xls
Download: download sample
Signature ZLoader
Create hunting rule
File size:249'344 bytes
First seen:2020-10-08 16:08:23 UTC
Last seen:2020-10-08 17:02:12 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 6144:wk3hbdlylKsgqopeJBWhZFVE+W2NdAsWIIrepCVs1jrRex1CbDR1exG8:mjepC0jFevaRs7
TLSH 5234CF827A5ACFF4D6C9D37108DB4251B703EC718D2A43832686B626BFB79F89D13091
Reporter Anonymous
Tags:macros ZLoader


Avatar
Anonymous
docs.google.com redirect to file

Intelligence

File Origin
# of uploads :
2
# of downloads :
172
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Creating a process with a hidden window
Sending a custom TCP request 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:
100 / 100
Link:
https://www.joesandbox.com/analysis/485780
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Contains functionality to inject code into remote processes
Creates autostart registry keys with suspicious values (likely registry only malware)
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
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Office process drops PE file
Sigma detected: Microsoft Office Product Spawning Windows Shell
Writes to foreign memory regions
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 295307 Sample: details_0810s(2).xls Startdate: 08/10/2020 Architecture: WINDOWS Score: 100 38 fqnvtmqass.ru 2->38 40 fqnvtcpheas.su 2->40 42 fqnvsdaas.su 2->42 52 Multi AV Scanner detection for domain / URL 2->52 54 Antivirus / Scanner detection for submitted sample 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 5 other signatures 2->58 9 EXCEL.EXE 87 47 2->9         started        14 regsvr32.exe 2->14         started        16 regsvr32.exe 2->16         started        signatures3 process4 dnsIp5 44 getfiles24.top 47.254.26.204, 443, 49165 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC United States 9->44 32 C:\YVPheCl\vCxKabw\HiDhGXj.dll, PE32 9->32 dropped 34 C:\Users\user\AppData\Local\...\xls[1].c1, PE32 9->34 dropped 66 Document exploit detected (creates forbidden files) 9->66 68 Document exploit detected (process start blacklist hit) 9->68 70 Document exploit detected (UrlDownloadToFile) 9->70 18 rundll32.exe 9->18         started        20 regsvr32.exe 14->20         started        22 regsvr32.exe 16->22         started        file6 signatures7 process8 process9 24 rundll32.exe 18->24         started        signatures10 60 Contains functionality to inject code into remote processes 24->60 62 Writes to foreign memory regions 24->62 64 Allocates memory in foreign processes 24->64 27 msiexec.exe 3 22 24->27         started        process11 dnsIp12 46 fqnesas.ru 27->46 48 192.168.2.22, 443, 49157, 49165 unknown unknown 27->48 50 2 other IPs or domains 27->50 36 C:\Users\user\AppData\...\ovewmyec.dll, PE32 27->36 dropped 72 Creates autostart registry keys with suspicious values (likely registry only malware) 27->72 file13 signatures14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0c83a3effad40d9863c573af2ea95862fc08a15277608e728dcdf385fd8eec48/
Threat name:
Document-Word.Trojan.Stratos
Create hunting rule
Status:
Malicious
First seen:
2020-10-08 16:10:07 UTC
AV detection:
16 of 29 (55.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=bsb2h3722qgzqy6fooxs5kkyml6arikso5qi44unzxzyl7mo5rea._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/201008-v4nvrd6rqs/
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
Process spawned suspicious child process
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/0c83a3effad40d9863c573af2ea95862fc08a15277608e728dcdf385fd8eec48

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:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:SUSP_Excel4Macro_AutoOpen
Create hunting rule
Author:John Lambert @JohnLaTwC
Description:Detects Excel4 macro use with auto open / close

File information

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

  
Delivery method
Distributed via e-mail link

Comments