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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7c309387537899f2c0989dcdcc65e21bff85588343800fbbee0d8d36f7aeb155. 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: 5


Intelligence 5 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7c309387537899f2c0989dcdcc65e21bff85588343800fbbee0d8d36f7aeb155
SHA3-384 hash: d80660a2d93a53209f0d5b29099683cd76eb18e1f4e9f155afb015a703736be2bf28c88774fb152a12c869a79ef0d302
SHA1 hash: 52f3c4148a39676f174ae6fb7b6cf292a0ebe954
MD5 hash: 8f3b7b8c1d69dfebaf79fecbb78f76b7
humanhash: blue-hamper-summer-uncle
File name:myResume.xlsb
Download: download sample
Signature ZLoader
Create hunting rule
File size:99'911 bytes
First seen:2020-10-17 20:52:22 UTC
Last seen:2020-10-17 21:35:39 UTC
File type:Excel file xlsx
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 1536:l39FIwRq0jyV4WltL5XCA5URADjof4ANt15fkbzYkTxOHDZSGA8XhVfUnAx7rTa:lNtjyWCtQAbsf4ABd4zQZwU76
TLSH 3DA39E4FD508A8BBC279B1386B025CD51A49715BDC83769F21606F483AEA2D31FCF1AC
Reporter Aura
Tags:october14 xlsb ZLoader

Intelligence

File Origin
# of uploads :
2
# of downloads :
165
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.TrojanDownloader.VBA.MalDoc.ali1000101.15588.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/494511
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/7c309387537899f2c0989dcdcc65e21bff85588343800fbbee0d8d36f7aeb155/
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pqyjhb2tpcm7fqeytxg4yzpcdp7ykwedioaa7o7obwgtn55owfkq._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://tria.ge/reports/201017-77vbswfwas/
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:
Dropper
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/7c309387537899f2c0989dcdcc65e21bff85588343800fbbee0d8d36f7aeb155

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 7c309387537899f2c0989dcdcc65e21bff85588343800fbbee0d8d36f7aeb155

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments