MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5fa56c3c2cc2b06792ce65be87efd3930d66d8d80791ddc76204f841ac261f43. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments 1

SHA256 hash: 5fa56c3c2cc2b06792ce65be87efd3930d66d8d80791ddc76204f841ac261f43
SHA3-384 hash: b13f3cfb615f8563a126249ac26f86cf956d832d088941c45f703a7c943797bcf395b736c271b96a0c13541e8d77afbb
SHA1 hash: f93a7a8bd08dc1e22179aee66a13ab0606e09e07
MD5 hash: 9eed94695a18301152a1fef1de8c07d1
humanhash: moon-pip-uniform-arkansas
File name:19a.dll
Download: download sample
Signature BumbleBee
File size:1'173'504 bytes
First seen:2022-05-19 17:52:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ebee800dfb64d0938112223e3352548e (1 x BumbleBee)
ssdeep 24576:cQhT0arccNKYXlpQ7yKnDhcGbmwDgVngnXdFZAkr:cQZ0ErNKqPKDlb
TLSH T15745D0A433AF7518E90C9279A99B83275EFE35D0528854F102E47F122FD73D28ED98B1
TrID 48.7% (.EXE) Win64 Executable (generic) (10523/12/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Reporter k3dg3___
Tags:1905a BUMBLEBEE dll exe


Avatar
k3dg3
entry point = oxgdXPSGPw

Intelligence


File Origin
# of uploads :
1
# of downloads :
362
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
19a.dll
Verdict:
No threats detected
Analysis date:
2022-05-19 18:04:27 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
CPUID_Instruction
CheckCmdLine
EvasionQueryPerformanceCounter
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
BumbleBee
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Signature
Contain functionality to detect virtual machines
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Searches for specific processes (likely to inject)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected BumbleBee
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 630452 Sample: 19a.dll Startdate: 19/05/2022 Architecture: WINDOWS Score: 76 38 Yara detected BumbleBee 2->38 40 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 2->40 7 loaddll64.exe 1 2->7         started        process3 process4 9 rundll32.exe 7->9         started        12 rundll32.exe 7->12         started        14 rundll32.exe 7->14         started        16 4 other processes 7->16 signatures5 42 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->42 44 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 9->44 46 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 9->46 50 2 other signatures 9->50 18 WerFault.exe 17 9 9->18         started        48 Tries to detect sandboxes / dynamic malware analysis system (registry check) 12->48 21 WerFault.exe 3 9 16->21         started        24 WerFault.exe 9 16->24         started        26 WerFault.exe 16->26         started        28 rundll32.exe 16->28         started        process6 dnsIp7 30 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 18->30 dropped 36 192.168.2.1 unknown unknown 21->36 32 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 21->32 dropped 34 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 24->34 dropped file8
Threat name:
Win64.Trojan.Bumbleloader
Status:
Malicious
First seen:
2022-05-19 17:53:10 UTC
File Type:
PE+ (Dll)
Extracted files:
1
AV detection:
7 of 25 (28.00%)
Threat level:
  5/5
Verdict:
unknown
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
Suspicious use of WriteProcessMemory
Program crash
Unpacked files
SH256 hash:
5fa56c3c2cc2b06792ce65be87efd3930d66d8d80791ddc76204f841ac261f43
MD5 hash:
9eed94695a18301152a1fef1de8c07d1
SHA1 hash:
f93a7a8bd08dc1e22179aee66a13ab0606e09e07
Malware family:
BumbleBee
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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:crime_win64_bumbleebee_loader_packed
Author:Rony (@r0ny_123)

File information


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

  
Delivery method
Distributed via e-mail link

Comments



Avatar
Rony commented on 2022-05-19 18:07:11 UTC

https://www.capesandbox.com/analysis/272714