MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0ef16bb45f1c63be6a920635827e5f873076103964c817a380d538caa9bc3976. 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: 14


Intelligence 14 IOCs YARA 9 File information Comments

SHA256 hash: 0ef16bb45f1c63be6a920635827e5f873076103964c817a380d538caa9bc3976
SHA3-384 hash: 1660d8e595cc96091ccb2c2aab508fa353c667dd555a5e3d8a65bf25fbde3336f3d2ea695b669cc92f0cce442422eaaa
SHA1 hash: 6a8308585a3681f7ac2da2431c003861836eefbe
MD5 hash: cf16cd57564e9bb334c87fbfbbf95594
humanhash: sad-violet-lemon-yellow
File name:file
Download: download sample
Signature CoinMiner
File size:3'815'136 bytes
First seen:2023-10-30 13:20:56 UTC
Last seen:2023-10-30 15:51:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 87d0737459c3ebc7de35794db4768b2f (6 x Vidar, 2 x CoinMiner, 1 x Smoke Loader)
ssdeep 49152:55TKQFqfaMvD5Q8Qg6pZYNvEytfjz7z5YsAXONec/1R9nSJTl0pox+udLOzSrk28:3OgC90t0J8Yw09
Threatray 16 similar samples on MalwareBazaar
TLSH T1BB062A60D34195E5C297C030CD9A4FF4A5E2747B82364B0F1A84DD272DFAF61AFAD262
TrID 53.0% (.EXE) InstallShield setup (43053/19/16)
20.3% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
12.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter andretavare5
Tags:CoinMiner exe signed

Code Signing Certificate

Organisation:Microsoft Code Signing PCA 2011
Issuer:Microsoft Code Signing PCA 2011
Algorithm:sha256WithRSAEncryption
Valid from:2023-10-30T01:10:18Z
Valid to:2024-10-30T01:10:18Z
Serial number: a4e0b377d71b197cf64fe8bd9f9395e8
Thumbprint Algorithm:SHA256
Thumbprint: 0ea64e77bc38f5ad0da89ab22886be2c7121fd97c0c216b886716d1069f0f225
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
andretavare5
Sample downloaded from http://171.22.28.221/files/Random.exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
373
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-10-30 14:02:56 UTC
Tags:
sinkhole opendir loader privateloader evasion smoke risepro stealer redline stealc ransomware stop amadey botnet trojan miner

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

Behaviour
Launching a process
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a file
Sending an HTTP GET request
Connecting to a non-recommended domain
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
Using the Windows Management Instrumentation requests
Modifying a system file
Creating a file in the %temp% directory
Replacing files
Searching for synchronization primitives
Reading critical registry keys
Creating a file in the %AppData% subdirectories
Running batch commands
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Blocking the Windows Defender launch
Unauthorized injection to a system process
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Adding exclusions to Windows Defender
Adding an exclusion to Microsoft Defender
Gathering data
Verdict:
Likely Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control greyware hacktool lolbin overlay packed remote
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.
Result
Threat name:
Glupteba, SmokeLoader
Detection:
malicious
Classification:
rans.troj.adwa.expl.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Creates HTML files with .exe extension (expired dropper behavior)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops script or batch files to the startup folder
Found malware configuration
Found Tor onion address
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the hosts file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Sigma detected: Drops script at startup location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes many files with high entropy
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected Glupteba
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1334260 Sample: file.exe Startdate: 30/10/2023 Architecture: WINDOWS Score: 100 106 Found malware configuration 2->106 108 Malicious sample detected (through community Yara rule) 2->108 110 Antivirus detection for URL or domain 2->110 112 12 other signatures 2->112 9 file.exe 2->9         started        12 powershell.exe 2->12         started        process3 signatures4 120 Writes to foreign memory regions 9->120 122 Allocates memory in foreign processes 9->122 124 Injects a PE file into a foreign processes 9->124 14 InstallUtil.exe 15 502 9->14         started        18 InstallUtil.exe 9->18         started        21 conhost.exe 12->21         started        process5 dnsIp6 100 85.217.144.143 WS171-ASRU Bulgaria 14->100 102 107.167.110.211 OPERASOFTWAREUS United States 14->102 104 15 other IPs or domains 14->104 82 C:\Users\...\zr9VIsgO2JxbvBBnGLYDbgyL.exe, PE32 14->82 dropped 84 C:\Users\...\yK1NXLTSlqLkMBGStcjZIaHQ.exe, PE32 14->84 dropped 86 C:\Users\...\x1aNuwPAgva0r1CS7OVEPLdP.exe, PE32+ 14->86 dropped 88 275 other malicious files 14->88 dropped 23 3QwKhfEpzTtOtWigCo1Rbpb0.exe 14->23         started        28 t6WTE5KxVb0xYELv1Ix7xDU7.exe 14->28         started        30 R6cdHSBHxz31OrlwL0BHe32K.exe 14->30         started        32 25 other processes 14->32 114 Drops script or batch files to the startup folder 18->114 116 Creates HTML files with .exe extension (expired dropper behavior) 18->116 118 Writes many files with high entropy 18->118 file7 signatures8 process9 dnsIp10 90 107.167.110.218 OPERASOFTWAREUS United States 23->90 92 107.167.125.189 OPERASOFTWAREUS United States 23->92 98 5 other IPs or domains 23->98 64 Opera_installer_2310301321583547368.dll, PE32 23->64 dropped 76 6 other malicious files 23->76 dropped 126 Writes many files with high entropy 23->126 34 3QwKhfEpzTtOtWigCo1Rbpb0.exe 23->34         started        37 3QwKhfEpzTtOtWigCo1Rbpb0.exe 23->37         started        39 3QwKhfEpzTtOtWigCo1Rbpb0.exe 23->39         started        128 Detected unpacking (changes PE section rights) 28->128 130 Contains functionality to inject code into remote processes 28->130 132 Injects a PE file into a foreign processes 28->132 41 t6WTE5KxVb0xYELv1Ix7xDU7.exe 28->41         started        66 Opera_installer_2310301322012887636.dll, PE32 30->66 dropped 68 C:\Users\user\AppData\Local\...\opera_package, PE32 30->68 dropped 78 2 other malicious files 30->78 dropped 44 R6cdHSBHxz31OrlwL0BHe32K.exe 30->44         started        94 37.228.108.132 NO-OPERANO Norway 32->94 96 104.21.38.126 CLOUDFLARENETUS United States 32->96 70 Opera_installer_2310301322339817748.dll, PE32 32->70 dropped 72 Opera_installer_2310301322230397276.dll, PE32 32->72 dropped 74 Opera_installer_2310301322148077172.dll, PE32 32->74 dropped 80 11 other malicious files 32->80 dropped 134 Detected unpacking (overwrites its own PE header) 32->134 136 Found Tor onion address 32->136 138 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 32->138 140 3 other signatures 32->140 46 oU8Td1qmM6UTjfCMGZUo4bk2.exe 32->46         started        file11 signatures12 process13 file14 50 Opera_installer_2310301322140457340.dll, PE32 34->50 dropped 52 C:\Users\user\AppData\...\opera_browser.dll, PE32+ 34->52 dropped 54 C:\Users\user\...\opera_autoupdate.exe, PE32+ 34->54 dropped 62 10 other malicious files 34->62 dropped 56 Opera_installer_2310301321595497444.dll, PE32 37->56 dropped 58 Opera_installer_2310301322005717592.dll, PE32 39->58 dropped 142 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 41->142 144 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 41->144 146 Maps a DLL or memory area into another process 41->146 148 2 other signatures 41->148 48 explorer.exe 41->48 injected 60 Opera_installer_2310301322119257836.dll, PE32 44->60 dropped signatures15 process16
Threat name:
Win64.Trojan.Privateloader
Status:
Malicious
First seen:
2023-10-30 04:27:44 UTC
File Type:
PE+ (Exe)
AV detection:
18 of 35 (51.43%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:dcrat family:glupteba family:privateloader family:smokeloader family:xmrig botnet:pub1 backdoor discovery dropper evasion infostealer loader miner persistence rat spyware stealer trojan upx
Behaviour
Checks SCSI registry key(s)
Creates scheduled task(s)
Modifies data under HKEY_USERS
Modifies registry class
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
NSIS installer
Enumerates physical storage devices
Checks for VirtualBox DLLs, possible anti-VM trick
Drops file in Program Files directory
Drops file in Windows directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks installed software on the system
Enumerates connected drives
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Registers COM server for autorun
UPX packed file
Windows security modification
Downloads MZ/PE file
Drops file in Drivers directory
Modifies Windows Firewall
Possible attempt to disable PatchGuard
Stops running service(s)
Modifies boot configuration data using bcdedit
XMRig Miner payload
DcRat
Glupteba
Glupteba payload
PrivateLoader
SmokeLoader
Suspicious use of NtCreateUserProcessOtherParentProcess
Windows security bypass
xmrig
Malware Config
C2 Extraction:
http://host-file-host6.com/
http://host-host-file8.com/
Unpacked files
SH256 hash:
0ef16bb45f1c63be6a920635827e5f873076103964c817a380d538caa9bc3976
MD5 hash:
cf16cd57564e9bb334c87fbfbbf95594
SHA1 hash:
6a8308585a3681f7ac2da2431c003861836eefbe
Malware family:
SmokeLoader
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:NET
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
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:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by

Comments