MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f5fa78c2b92c3f4b0ce7ae1b4adca6e895d6bf32e3c11a8a604ca48bbdab112. 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


Quakbot


Vendor detections: 9


Intelligence 9 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8f5fa78c2b92c3f4b0ce7ae1b4adca6e895d6bf32e3c11a8a604ca48bbdab112
SHA3-384 hash: 3767e827d868198adeb7687ada0522638dd155b89aac46583d4d6658c1a486ca2d5b0f87c5a1aa967138a9a16d2a5444
SHA1 hash: 4beb0a94342758c6c6d74d569aac46533762027d
MD5 hash: dafe793068e0ce524e0cf3c6f88a3067
humanhash: lake-hamper-uniform-twelve
File name:416.lnk
Download: download sample
Signature Quakbot
Create hunting rule
File size:1'194 bytes
First seen:2023-09-07 18:32:30 UTC
Last seen:Never
File type:Shortcut (lnk) lnk
MIME type:application/octet-stream
ssdeep 24:8wLJtnyUlVefRXcmlz3Lo9bp8DEt+kI4I0W5/2lC:8ulmxbabSgI/C
TLSH T13521360429DA1B21D37BBB3B84BA831699673893FC72CF1D0550858C291AB11EDB5F3A
Reporter Anonymous
Tags:lnk Quakbot

Intelligence

File Origin
# of uploads :
1
# of downloads :
211
Origin country :
US US
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.27118.LnkHeur.UNOFFICIAL
Create hunting rule

TwinWave.EvilLNK.LOLBinOddLook.20220523.UNOFFICIAL
Create hunting rule

TwinWave.EvilLNK.OddLook.202207213.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malicious
File Type:
LNK File - Malicious
Link:
https://app.docguard.net/8f5fa78c2b92c3f4b0ce7ae1b4adca6e895d6bf32e3c11a8a604ca48bbdab112/results/dashboard
Payload URLs
URL
File name
https://webdav.4shared.com
LNK File
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd evasive expand lolbin masquerade schtasks
Link:
https://www.filescan.io/uploads/64fa175fc95366b9ef01f614/reports/7cbd40c5-d3df-4417-b4ce-89c264439d94/overview
Verdict:
Malicious
Labled as:
Trojan.Multi.Agent
Link:
https://www.hybrid-analysis.com/sample/8f5fa78c2b92c3f4b0ce7ae1b4adca6e895d6bf32e3c11a8a604ca48bbdab112
Result
Verdict:
MALICIOUS
Result
Threat name:
BumbleBee
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1305692
Signature
Contain functionality to detect virtual machines
Found malware configuration
Found URL in windows shortcut file (LNK)
Gathers information about network shares
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Opens network shares
Searches for specific processes (likely to inject)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Windows shortcut file (LNK) contains suspicious command line arguments
Windows shortcut file (LNK) starts blacklisted processes
Yara detected BumbleBee
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8f5fa78c2b92c3f4b0ce7ae1b4adca6e895d6bf32e3c11a8a604ca48bbdab112/
Threat name:
Win32.Trojan.Synder
Create hunting rule
Status:
Malicious
First seen:
2023-09-07 18:04:19 UTC
File Type:
Binary
AV detection:
9 of 36 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r5p2pdblslb7jmgoplq3jlokn2ev227tfy6bdkfgatfero62weja._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230907-w66t1sda25/
Behaviour
Creates scheduled task(s)
Runs net.exe
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Enumerates connected drives
Checks computer location settings
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/8f5fa78c2b92c3f4b0ce7ae1b4adca6e895d6bf32e3c11a8a604ca48bbdab112

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:Archive_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies archive (compressed) files in shortcut (LNK) files.
Rule name:Download_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies download artefacts in shortcut (LNK) files.
Rule name:Execution_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies execution artefacts in shortcut (LNK) files.
Rule name:EXE_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies executable artefacts in shortcut (LNK) files.
Rule name:Long_RelativePath_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies shortcut (LNK) file with a long relative path. Might be used in an attempt to hide the path.
Rule name:SUSP_LNK_CMD
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects the reference to cmd.exe inside an lnk file, which is suspicious

File information

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

Comments