MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88851c425fbc7879abe5838f3e072d18e350b21ca9fe367e6d9fb7bd27585753. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 88851c425fbc7879abe5838f3e072d18e350b21ca9fe367e6d9fb7bd27585753
SHA3-384 hash: 24692adcbb525ae55d74498e5abb523da4e0684756ec7e9c0a8e02a6d87e01e3cd7d28b77fed5161810a7aa403d45765
SHA1 hash: 8e2229283171db42ae0aae3229441d02082a22eb
MD5 hash: 8dae37f85fa2c97ed4ff9272349c4e04
humanhash: pluto-foxtrot-alanine-march
File name:Attachments.dll
Download: download sample
Signature BumbleBee
Create hunting rule
File size:2'334'720 bytes
First seen:2022-04-03 07:28:38 UTC
Last seen:2022-04-03 08:38:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash bc1fc12dfcfbfb96d61fc1ad211049f7 (4 x BumbleBee)
ssdeep 49152:G4qIzTDuP9e18Bgz6QJAhZGBo7K9cIMOqPGPo0JN:QTQJIGBRvMO1PLJN
Threatray 2'040 similar samples on MalwareBazaar
TLSH T162B57B16A7A804F4C9B6C27C8997960BE7F2B8150770EBDF0AA846BD1F637D1163E740
Reporter Rony
Tags:BUMBLEBEE dll exe X64

Intelligence

File Origin
# of uploads :
2
# of downloads :
292
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://www.transferxl.com/download/00v6G6Rkg4hwDH
Verdict:
Malicious activity
Analysis date:
2022-03-04 16:41:16 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e294e4d9-c0c8-4164-8faf-84e4e715146e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/260241/
Detection(s):
SecuriteInfo.com.DeepScan.Generic.Ursnif.3.1.39A079FC.15420.9725.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/12436/overview
Behaviour
MeasuringTime
EvasionQueryPerformanceCounter
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm greyware ursnif wscript.exe
Link:
https://www.filescan.io/uploads/62494cbea19c649412c4591b/reports/d969cafa-4a25-412d-a1cc-0b62f9470260/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Ramnit
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/57fbe816-036c-42c5-af5d-5310646ff00b
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/969537
Signature
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Call by Ordinal
System process connects to network (likely due to code injection or exploit)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 602024 Sample: Attachments.dll Startdate: 03/04/2022 Architecture: WINDOWS Score: 64 21 Multi AV Scanner detection for submitted file 2->21 23 Machine Learning detection for sample 2->23 25 Sigma detected: Suspicious Call by Ordinal 2->25 7 loaddll64.exe 1 2->7         started        process3 process4 9 rundll32.exe 7->9         started        13 cmd.exe 1 7->13         started        15 rundll32.exe 7->15         started        dnsIp5 19 23.81.246.187, 443, 49758, 49759 LEASEWEB-USA-PHX-11US United States 9->19 27 System process connects to network (likely due to code injection or exploit) 9->27 17 rundll32.exe 13->17         started        signatures6 process7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/88851c425fbc7879abe5838f3e072d18e350b21ca9fe367e6d9fb7bd27585753/
Threat name:
Win64.Trojan.Bumbleloader
Create hunting rule
Status:
Malicious
First seen:
2022-04-03 07:29:09 UTC
File Type:
PE+ (Dll)
Extracted files:
3
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rccryqs7xr4htk7fqoht4bznddrvbmq4vh7dm7tnt6332j2yk5jq._file
Verdict:
malicious
Similar samples:
08cd6983f183ef65eabd073c01f137a913282504e2502ac34a1be3e599ac386b
BumbleBee
437f639d05da27e1909877e3f8c39f70ee5d525a8be7c631e69f4141db287ab6
BumbleBee
965de9a48decafacbffec3e87e3585769025a114117f06d5cbaa1b02c5e11d18
BumbleBee
9fd92b2633147d58a5d4a28d1f5f66a11873c4185c44429295cda9956defa6d4
BumbleBee
+ 2'030 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/220403-ja8brageh4/
Behaviour
Blocklisted process makes network request
Unpacked files
SH256 hash:
88851c425fbc7879abe5838f3e072d18e350b21ca9fe367e6d9fb7bd27585753
MD5 hash:
8dae37f85fa2c97ed4ff9272349c4e04
SHA1 hash:
8e2229283171db42ae0aae3229441d02082a22eb
Detections:
win_bumblebee_w0
Create hunting rule
Link:
https://www.unpac.me/results/2244d71b-6a3e-438c-ab81-4f2b840f90c6/
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/88851c425fbc7879abe5838f3e072d18e350b21ca9fe367e6d9fb7bd27585753

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:sig_6eedf45cb91f6762de4e35e36bcb03e5ad60ce9ac5a08caeb7eda035cd74762b
Create hunting rule
Author:Ian Harte
Description:CS Payload CVE-2021-40444
Reference:https://github.com/Neo23x0/yarGen

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/260241/

Comments