MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f47060d0f7de5ee651878eb18dd2d24b5003bdb03ef4f49879f448f05034a21e. 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



BrbBot


Vendor detections: 15


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: f47060d0f7de5ee651878eb18dd2d24b5003bdb03ef4f49879f448f05034a21e
SHA3-384 hash: 9dbcc81c78f890b5c66d3e0a2aa73b314f04cfd507d2200443158d109633729f9594bfcdf20a6bc455386a54b8df3045
SHA1 hash: 4db5a8e237937b6d7b435a8506b8584121a7e9e3
MD5 hash: 1c7243c8f3586b799a5f9a2e4200aa92
humanhash: orange-dakota-wisconsin-victor
File name:brbbot.exe
Download: download sample
Signature BrbBot
File size:75'776 bytes
First seen:2024-04-13 13:11:33 UTC
Last seen:2025-06-01 06:17:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 475b069fec5e5868caeb7d4d89236c89 (2 x BrbBot)
ssdeep 1536:b6sMD3H8V3jsUnHLiREsTbDV/48OO4vh47483gLi9+LSG:b6srVzJiRrTHVORe75g4+LS
TLSH T127737D4633E480FDE5579334C8B15A16E772F8226375838F036486966F537E2AD3A723
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter e24111111111111
Tags:brbbot exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
585
Origin country :
GR GR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://academy.hackthebox.com/storage/resources/additional_samples.zip
Verdict:
No threats detected
Analysis date:
2023-10-09 21:56:17 UTC
Tags:
n/a

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

Behaviour
Searching for the window
Creating a file in the %AppData% directory
Searching for synchronization primitives
Creating a file
DNS request
Connection attempt
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
crypto
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:
Generic Malware
Verdict:
Malicious
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Threat name:
Win64.Trojan.Barys
Status:
Malicious
First seen:
2017-07-29 00:51:00 UTC
File Type:
PE+ (Exe)
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:brbbot persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Adds Run key to start application
Malware Config
C2 Extraction:
brb.3dtuts.by
Unpacked files
SH256 hash:
f47060d0f7de5ee651878eb18dd2d24b5003bdb03ef4f49879f448f05034a21e
MD5 hash:
1c7243c8f3586b799a5f9a2e4200aa92
SHA1 hash:
4db5a8e237937b6d7b435a8506b8584121a7e9e3
Detections:
win_brbbot_auto MALWARE_Win_BrbBot
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:MALWARE_Win_BrbBot
Author:ditekSHen
Description:Detects BrbBot
Rule name:win_brbbot_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.brbbot.

File information


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

BrbBot

Executable exe f47060d0f7de5ee651878eb18dd2d24b5003bdb03ef4f49879f448f05034a21e

(this sample)

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
WININET.dll::InternetCloseHandle
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileA
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileA
KERNEL32.dll::MoveFileExA
KERNEL32.dll::GetSystemDirectoryA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA
WIN_CRYPT_APIUses Windows Crypt APIADVAPI32.dll::CryptAcquireContextW
ADVAPI32.dll::CryptCreateHash
ADVAPI32.dll::CryptDecrypt
ADVAPI32.dll::CryptDeriveKey
ADVAPI32.dll::CryptEncrypt
ADVAPI32.dll::CryptHashData
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegSetValueExA

Comments