MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b84d06eb8b490a54bdd252a58d25eb54f5580018ecbf3066e0cd5d03ef284c96. 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



CoinMiner


Vendor detections: 16


Intelligence 16 IOCs YARA 24 File information Comments

SHA256 hash: b84d06eb8b490a54bdd252a58d25eb54f5580018ecbf3066e0cd5d03ef284c96
SHA3-384 hash: c4d3f8f76d98d7611e1dcf787cd0c4777547358a338ba96c68b7a18c1aabc67d420080a321c86f7945fa66987d437993
SHA1 hash: 3ed74e38b09b34db3add5fb2c1f4debb66651987
MD5 hash: d85711a9d52862c3e538d79217244059
humanhash: mars-mobile-pizza-jupiter
File name:officedeploymenttool_18227-20162.exe
Download: download sample
Signature CoinMiner
File size:39'318'528 bytes
First seen:2025-02-01 17:56:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 786432:vhP/Hle221VnfaWCXcbWDMzISiBddts4s0ACgz27e6fg8/KQxg6U5SeE+nz2E:vBlVsCFhDMzwds4s0oZ+g8CQxfYX6
Threatray 4 similar samples on MalwareBazaar
TLSH T1B98733F1629FA967F172E13A24FFC1FC4AABD60A4CA4BA4475B1352F54CF492436E120
TrID 75.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.9% (.EXE) Win64 Executable (generic) (10522/11/4)
4.6% (.EXE) Win32 Executable (generic) (4504/4/1)
2.1% (.ICL) Windows Icons Library (generic) (2059/9)
2.1% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
File icon (PE):PE icon
dhash icon 92e0b496a6caca72 (4 x NetSupport, 1 x GuLoader, 1 x LummaStealer)
Reporter aachum
Tags:CoinMiner exe NjRAT


Avatar
iamaachum
https://www.mediafire.com/folder/x6xht84jxtmit/microsfoot

njRAT C2: mj2025.ddns.net:5552

Intelligence


File Origin
# of uploads :
1
# of downloads :
471
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
officedeploymenttool_18227-20162.exe
Verdict:
Malicious activity
Analysis date:
2025-02-01 18:02:01 UTC
Tags:
python autoit sfx dropper stealer github rat njrat bladabindi screenshot evasion blankgrabber discord telegram miner

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
phishing autoit emotet njrat
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file in the %temp% subdirectories
Creating a file
Creating a window
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Running batch commands
Creating a process with a hidden window
DNS request
Connection attempt
Sending a custom TCP request
Launching a process
Reading critical registry keys
Sending an HTTP GET request
Launching the process to change network settings
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
MALICIOUS
Result
Threat name:
HackBrowser, Njrat
Detection:
malicious
Classification:
rans.phis.troj.adwa.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Binary is likely a compiled AutoIt script file
Bypasses PowerShell execution policy
Contains functionality to infect the boot sector
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Disables zone checking for all users
Drops PE files to the startup folder
Drops PE files to the user root directory
Drops PE files with benign system names
Encrypted powershell cmdline option found
Found many strings related to Crypto-Wallets (likely being stolen)
Found pyInstaller with non standard icon
Hides threads from debuggers
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Modifies the context of a thread in another process (thread injection)
Modifies the windows firewall
Modifies Windows Defender protection settings
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Removes signatures from Windows Defender
Sigma detected: Capture Wi-Fi password
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Powershell Defender Disable Scan Feature
Sigma detected: Rar Usage with Password and Compression Level
Sigma detected: Suspicious Encoded PowerShell Command Line
Sigma detected: Suspicious PowerShell Encoded Command Patterns
Sigma detected: System File Execution Location Anomaly
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal WLAN passwords
Tries to steal Crypto Currency Wallets
Uses dynamic DNS services
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Writes or reads registry keys via WMI
Yara detected Amnesia Stealer
Yara detected Njrat
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1604594 Sample: officedeploymenttool_18227-... Startdate: 01/02/2025 Architecture: WINDOWS Score: 100 161 mj2025.ddns.net 2->161 163 api.telegram.org 2->163 165 3 other IPs or domains 2->165 185 Suricata IDS alerts for network traffic 2->185 187 Malicious sample detected (through community Yara rule) 2->187 189 Antivirus detection for dropped file 2->189 195 22 other signatures 2->195 15 officedeploymenttool_18227-20162.exe 7 2->15         started        19 Antimalware Service Executable.exe 2->19         started        21 GameSDK.exe 2->21         started        signatures3 191 Uses dynamic DNS services 161->191 193 Uses the Telegram API (likely for C&C communication) 163->193 process4 file5 153 C:\Users\user\AppData\Roaming\svchost.exe, PE32+ 15->153 dropped 155 C:\Users\user\AppData\...\Runtime Broker.exe, PE32 15->155 dropped 157 C:\ProgramData\Stable_Network.exe, PE32 15->157 dropped 159 officedeploymenttool_18227-20162.exe.log, ASCII 15->159 dropped 175 Drops PE files with benign system names 15->175 23 svchost.exe 13 15->23         started        27 Stable_Network.exe 7 15->27         started        30 Runtime Broker.exe 1 5 15->30         started        177 Binary is likely a compiled AutoIt script file 19->177 signatures6 process7 dnsIp8 133 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 23->133 dropped 135 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 23->135 dropped 137 C:\Users\user\AppData\Local\...\python310.dll, PE32+ 23->137 dropped 147 8 other files (7 malicious) 23->147 dropped 233 Found pyInstaller with non standard icon 23->233 32 svchost.exe 23->32         started        167 2no.co 104.21.79.229, 443, 49733 CLOUDFLARENETUS United States 27->167 139 C:\...\Antimalware Service Executable.exe, PE32+ 27->139 dropped 141 C:\Users\user\AppData\...\SystemCheck.xml, XML 27->141 dropped 143 C:\Users\user\AppData\...\CL_Debug_Log.txt, PE32 27->143 dropped 235 Antivirus detection for dropped file 27->235 237 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 27->237 239 Binary is likely a compiled AutoIt script file 27->239 241 Machine Learning detection for dropped file 27->241 34 CL_Debug_Log.txt 27->34         started        37 cmd.exe 27->37         started        145 C:\Users\userbehaviorgraphameSDK.exe, PE32 30->145 dropped 40 GameSDK.exe 30->40         started        file9 signatures10 process11 file12 42 Build.exe 6 32->42         started        105 C:\Users\user\AppData\Local\Temp\64.exe, PE32+ 34->105 dropped 107 C:\Users\user\AppData\Local\Temp\32.exe, PE32 34->107 dropped 45 conhost.exe 34->45         started        213 Uses schtasks.exe or at.exe to add and modify task schedules 37->213 47 conhost.exe 37->47         started        49 schtasks.exe 37->49         started        109 C:\...\c6c0c67fa02a1b5dbba63788457d850d.exe, PE32 40->109 dropped 215 Disables zone checking for all users 40->215 217 Creates autostart registry keys with suspicious names 40->217 219 Drops PE files to the startup folder 40->219 221 Modifies the windows firewall 40->221 51 netsh.exe 40->51         started        signatures13 process14 file15 149 C:\ProgramData\Microsoft\hacn.exe, PE32+ 42->149 dropped 151 C:\ProgramData\Microsoft\based.exe, PE32+ 42->151 dropped 53 based.exe 22 42->53         started        57 hacn.exe 67 42->57         started        59 conhost.exe 51->59         started        process16 file17 117 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 53->117 dropped 119 C:\Users\user\AppData\Local\...\sqlite3.dll, PE32+ 53->119 dropped 121 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 53->121 dropped 129 15 other files (14 malicious) 53->129 dropped 223 Antivirus detection for dropped file 53->223 225 Multi AV Scanner detection for dropped file 53->225 227 Machine Learning detection for dropped file 53->227 231 4 other signatures 53->231 61 based.exe 1 106 53->61         started        123 C:\Users\...\backend_c.cp310-win_amd64.pyd, PE32+ 57->123 dropped 125 C:\Users\user\...\_cffi.cp310-win_amd64.pyd, PE32+ 57->125 dropped 127 C:\Users\user\AppData\...\win32event.pyd, PE32+ 57->127 dropped 131 36 other files (33 malicious) 57->131 dropped 229 Contains functionality to infect the boot sector 57->229 65 hacn.exe 57->65         started        signatures18 process19 dnsIp20 169 api.telegram.org 149.154.167.220, 443, 49749 TELEGRAMRU United Kingdom 61->169 171 ip-api.com 208.95.112.1, 49747, 80 TUT-ASUS United States 61->171 173 canary.discord.com 162.159.135.232, 443, 49748 CLOUDFLARENETUS United States 61->173 243 Found many strings related to Crypto-Wallets (likely being stolen) 61->243 245 Tries to harvest and steal browser information (history, passwords, etc) 61->245 247 Modifies Windows Defender protection settings 61->247 253 5 other signatures 61->253 67 cmd.exe 61->67         started        70 cmd.exe 61->70         started        72 cmd.exe 61->72         started        78 22 other processes 61->78 249 Modifies the context of a thread in another process (thread injection) 65->249 251 Hides threads from debuggers 65->251 74 cmd.exe 65->74         started        76 WerFault.exe 65->76         started        signatures21 process22 signatures23 197 Modifies Windows Defender protection settings 67->197 199 Removes signatures from Windows Defender 67->199 80 powershell.exe 67->80         started        96 2 other processes 67->96 83 powershell.exe 70->83         started        86 conhost.exe 70->86         started        201 Adds a directory exclusion to Windows Defender 72->201 88 powershell.exe 72->88         started        90 conhost.exe 72->90         started        203 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 74->203 205 Suspicious powershell command line found 74->205 207 Encrypted powershell cmdline option found 74->207 211 3 other signatures 74->211 92 conhost.exe 74->92         started        209 Tries to harvest and steal WLAN passwords 78->209 94 getmac.exe 78->94         started        98 42 other processes 78->98 process24 file25 179 Loading BitLocker PowerShell Module 80->179 111 C:\Users\user\AppData\...\zlrmmp5j.cmdline, Unicode 83->111 dropped 100 csc.exe 83->100         started        181 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 94->181 183 Writes or reads registry keys via WMI 94->183 113 C:\Users\user\AppData\Local\Temp\vl0Y2.zip, RAR 98->113 dropped signatures26 process27 file28 115 C:\Users\user\AppData\Local\...\zlrmmp5j.dll, PE32 100->115 dropped 103 cvtres.exe 100->103         started        process29
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Jalapeno
Status:
Malicious
First seen:
2025-02-01 08:11:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat family:xmrig botnet:cyka collection credential_access defense_evasion discovery execution miner persistence privilege_escalation pyinstaller spyware stealer trojan upx
Behaviour
Checks processor information in registry
Detects videocard installed
Enumerates system info in registry
Gathers system information
Modifies data under HKEY_USERS
Modifies registry key
NTFS ADS
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Views/modifies file attributes
Browser Information Discovery
Detects Pyinstaller
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Wi-Fi Discovery
Drops file in Program Files directory
Drops file in Windows directory
Launches sc.exe
AutoIT Executable
Drops file in System32 directory
Enumerates processes with tasklist
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
UPX packed file
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Indicator Removal: File Deletion
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Obfuscated Files or Information: Command Obfuscation
Checks computer location settings
Clipboard Data
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Command and Scripting Interpreter: PowerShell
Contacts a large (960) amount of remote hosts
Modifies Windows Firewall
Stops running service(s)
XMRig Miner payload
Njrat family
Suspicious use of NtCreateUserProcessOtherParentProcess
UAC bypass
Xmrig family
njRAT/Bladabindi
xmrig
Malware Config
C2 Extraction:
mj2025.ddns.net:5552
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:BLOWFISH_Constants
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:ldpreload
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:MALWARE_Win_R77
Author:ditekSHen
Description:Detects r77 rootkit
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_imphash
Rule name:PyInstaller
Author:@bartblaze
Description:Identifies executable converted using PyInstaller. This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:upxHook
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/
Rule name:upx_largefile
Author:k3nr9
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:WHIRLPOOL_Constants
Author:phoul (@phoul)
Description:Look for WhirlPool constants
Rule name:Windows_Rootkit_R77_d0367e28
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/elastic-security-labs-steps-through-the-r77-rootkit

File information


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

Web download

CoinMiner

Executable exe b84d06eb8b490a54bdd252a58d25eb54f5580018ecbf3066e0cd5d03ef284c96

(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

Comments