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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b19f0aa82d12597a97e4137e2c7e955c7936297f5c3fa2eaf408d85a1ad1fa23. 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


BumbleBee


Vendor detections: 7


Intelligence 7 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b19f0aa82d12597a97e4137e2c7e955c7936297f5c3fa2eaf408d85a1ad1fa23
SHA3-384 hash: 777aba4757b175b7457d5a275bd7b6619b4f2edf6cf2a033db9f78750293f23d8c398b6e76a881fa4cc8d072c9bcc3e2
SHA1 hash: 7c7b67a6391f63bf8901cab72d522d3ba44e94ed
MD5 hash: 7bb4e377a8efcc27e1152864a22c491d
humanhash: mockingbird-maryland-delta-juliet
File name:Condition-Agreement_2024_05_06_17.lnk
Download: download sample
Signature BumbleBee
Create hunting rule
File size:2'277 bytes
First seen:2024-05-08 07:41:44 UTC
Last seen:Never
File type:Shortcut (lnk) lnk
MIME type:application/octet-stream
ssdeep 24:8KJYmEMyTo2nAB/AAHJuwDCDyYbRdf8j22+qddNXuHY8NDzEZwQjms:8HmeToXbpDDCDyYbR18gqdLXuHNlit
TLSH T10241AE212BE40220F3F39E719CF627266977B98A9A349D1D05D152486C22A11FC75F6B
Reporter abuse_ch
Tags:BUMBLEBEE lnk

Intelligence

File Origin
# of uploads :
1
# of downloads :
215
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.27118.LnkHeur.UNOFFICIAL
Create hunting rule

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

TwinWave.EvilLNK.SilverChairs4SilverBacks.20221114.UNOFFICIAL
Create hunting rule

TwinWave.EvilLNK.CelebritySkin.20240324.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malicious
File Type:
LNK File - Malicious
Link:
https://app.docguard.net/b19f0aa82d12597a97e4137e2c7e955c7936297f5c3fa2eaf408d85a1ad1fa23/results/dashboard
Payload URLs
URL
File name
D:\DocGuard-Api\AppData\975d7ca9-bd9b-4296-84d4-7f54d4507bb8\Condition-Agreement_2024_05_06_17.lnk
LNK File
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Labled as:
Exploit.Lnk
Link:
https://www.hybrid-analysis.com/sample/b19f0aa82d12597a97e4137e2c7e955c7936297f5c3fa2eaf408d85a1ad1fa23
Result
Threat name:
BumbleBee
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1438127
Signature
Contain functionality to detect virtual machines
Drops PE files to the user root directory
Found evasive API chain (may execute only at specific dates)
Found stalling execution ending in API Sleep call
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Opens network shares
Queries random domain names (often used to prevent blacklisting and sinkholes)
Searches for specific processes (likely to inject)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to resolve many domain names, but no domain seems valid
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Windows shortcut file (LNK) contains suspicious command line arguments
Windows shortcut file (LNK) starts blacklisted processes
Yara detected BumbleBee
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1438127 Sample: Condition-Agreement_2024_05... Startdate: 08/05/2024 Architecture: WINDOWS Score: 100 39 z8g4klplp.life 2->39 41 z75717vaj.life 2->41 43 98 other IPs or domains 2->43 55 Multi AV Scanner detection for domain / URL 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Windows shortcut file (LNK) starts blacklisted processes 2->59 61 7 other signatures 2->61 9 cmd.exe 3 3 2->9         started        signatures3 process4 signatures5 73 Windows shortcut file (LNK) starts blacklisted processes 9->73 75 Uses ping.exe to sleep 9->75 77 Uses ping.exe to check the status of other devices and networks 9->77 12 cmd.exe 1 9->12         started        15 Acrobat.exe 64 9->15         started        17 sc.exe 1 9->17         started        19 2 other processes 9->19 process6 signatures7 79 Opens network shares 12->79 21 Chrome.exe 12->21         started        25 curl.exe 2 12->25         started        28 conhost.exe 12->28         started        30 AcroCEF.exe 105 15->30         started        32 conhost.exe 17->32         started        process8 dnsIp9 47 upxamcuma.life 149.154.159.176, 443, 49734 TTMDE European Union 21->47 49 xszhjlyga.life 91.195.240.123, 443, 49743, 49744 SEDO-ASDE Germany 21->49 53 14 other IPs or domains 21->53 63 Machine Learning detection for dropped file 21->63 65 Found stalling execution ending in API Sleep call 21->65 67 Found evasive API chain (may execute only at specific dates) 21->67 71 3 other signatures 21->71 51 38.180.136.158, 443, 49709, 49710 COGENT-174US United States 25->51 37 C:\Users\user\Chrome.exe, PE32+ 25->37 dropped 69 Drops PE files to the user root directory 25->69 34 AcroCEF.exe 2 30->34         started        file10 signatures11 process12 dnsIp13 45 23.216.80.138, 443, 49720 CMCSUS United States 34->45
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b19f0aa82d12597a97e4137e2c7e955c7936297f5c3fa2eaf408d85a1ad1fa23/
Threat name:
Shortcut.Trojan.BumblebeeLNK
Create hunting rule
Status:
Malicious
First seen:
2024-05-06 19:13:29 UTC
File Type:
Binary
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wgpqvkbncjmxvf7ecn7cy7uvlr4tmkl7lq72f2xubdmfugwr7irq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/240508-jjpk1ahg9w/
Behaviour
Checks processor information in registry
Modifies Internet Explorer settings
Modifies registry class
Runs ping.exe
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Launches sc.exe
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/b19f0aa82d12597a97e4137e2c7e955c7936297f5c3fa2eaf408d85a1ad1fa23

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: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:LNK_Malicious_Nov1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious LNK file
Reference:https://www.virustotal.com/en/file/ee069edc46a18698fa99b6d2204895e6a516af1a306ea986a798b178f289ecd6/analysis/
Rule name:PDF_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies Adobe Acrobat artefacts in shortcut (LNK) files.
Rule name:Script_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies scripting artefacts in shortcut (LNK) files.
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