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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a4df4f41acb8fc5f92d7ea950d5595f05dc1ea07298123076daf905f273a94d. 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


TA505


Vendor detections: 6


Intelligence 6 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5a4df4f41acb8fc5f92d7ea950d5595f05dc1ea07298123076daf905f273a94d
SHA3-384 hash: c74cf05017670f6a60532808fd5f0271377e080ba324da2d6384d801e0f98d489bd353ee3dff011d77bb3a068fd7b181
SHA1 hash: c41e1766312c420edee94e9c69d1adfe61116374
MD5 hash: 7aa8e1728761ea07e5b6d91d81de319d
humanhash: mirror-magnesium-pip-double
File name:AR0508_66.xls
Download: download sample
Signature TA505
Create hunting rule
File size:714'240 bytes
First seen:2020-08-07 11:31:49 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 12288:iHLrkPwYWCjqrQ4knzj2pucNKsqx0Bao2axR9grOTr7RdsLj9YjWf2k:iHXkPyCjn4knzj2pK0Bnl39I6zUJf2
TLSH 76E4BE43BFABEA76C69181314BD196AA2B21FC065F314A4333D4731E5EF2E20B867355
Reporter JAMESWT_WT
Tags:TA505 xls ZLoader

Intelligence

File Origin
# of uploads :
1
# of downloads :
240
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
TwinWave.EvilDoc.FileFormatObfusWitchBlades.20200615.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.MidnightCommander.20200319.UNOFFICIAL
Create hunting rule

Porcupine.Malware.41922.UNOFFICIAL
Create hunting rule

MiscreantPunch.EXEInsideOfDoc.2.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Creating a file in the %temp% directory
Moving a file to the %temp% directory
Deleting a recently created file
Delayed reading of the file
Creating a file in the %AppData% subdirectories
Delayed writing of the file
Result
Threat name:
Get2Downloader
Create hunting rule
Detection:
malicious
Classification:
expl.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/415094
Signature
Document contains an embedded macro with GUI obfuscation
Document contains an embedded VBA macro with suspicious strings
Document contains an embedded VBA with functions possibly related to ADO stream file operations
Document contains an embedded VBA with functions possibly related to WSH operations (process, registry, environment, or keystrokes)
Document exploit detected (creates forbidden files)
Document exploit detected (drops PE files)
Machine Learning detection for dropped file
Office process drops PE file
Sigma detected: Get2 Downloader
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5a4df4f41acb8fc5f92d7ea950d5595f05dc1ea07298123076daf905f273a94d/
Threat name:
Document-Word.Dropper.GraceWire
Create hunting rule
Status:
Malicious
First seen:
2020-08-07 11:33:05 UTC
File Type:
Document
Extracted files:
62
AV detection:
28 of 47 (59.57%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ljg7j5a2zoh4l6jnp2uvbvkzl4c5yhvaokmbemdw3l4ql4ttvfgq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Link:
https://tria.ge/reports/200807-3elf5rqg6e/
Behaviour
Suspicious Office macro
Office macro that triggers on suspicious action
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/5a4df4f41acb8fc5f92d7ea950d5595f05dc1ea07298123076daf905f273a94d

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_ZLoader_xls_20200522
Create hunting rule
Author:abuse.ch
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples

File information

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

Comments