MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dfa2a1ac549c911af8183707ba1fed1e8c401f8e448ea36bb7825d03df0f4c5a. 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: 13


Intelligence 13 IOCs YARA 15 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dfa2a1ac549c911af8183707ba1fed1e8c401f8e448ea36bb7825d03df0f4c5a
SHA3-384 hash: a0e8c278270e34cbb86f9a31edcc8d52719a628d8ecd6e8e10c609a7b89a105c0f9ce7b5a897ae37a412a0aed68144be
SHA1 hash: 33a84f949ddae2d47c2c18ab299cf602e6cac1da
MD5 hash: b14b3b1da5e2b04f3ddf04f55a090bd8
humanhash: diet-massachusetts-hotel-pasta
File name:b14b3b1da5e2b04f3ddf04f55a090bd8
Download: download sample
Signature CoinMiner
Create hunting rule
File size:7'023'104 bytes
First seen:2024-04-02 22:52:53 UTC
Last seen:2024-04-02 23:33:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 196608:9IY6GWuTSSzZINAk+hfz97Kn4R/BXMXCu3fS2k:dWuLK+19TR5XqK2
Threatray 292 similar samples on MalwareBazaar
TLSH T12F6633C51E4FD029FA6B4A7A3776D63203721567ED50A4BDB30968C792ED4CCD008BAE
TrID 56.5% (.EXE) Win64 Executable (generic) (10523/12/4)
11.0% (.ICL) Windows Icons Library (generic) (2059/9)
10.9% (.EXE) OS/2 Executable (generic) (2029/13)
10.7% (.EXE) Generic Win/DOS Executable (2002/3)
10.7% (.EXE) DOS Executable Generic (2000/1)
Reporter zbetcheckin
Tags:64 CoinMiner exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
419
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
dfa2a1ac549c911af8183707ba1fed1e8c401f8e448ea36bb7825d03df0f4c5a.exe
Verdict:
Malicious activity
Analysis date:
2024-04-02 22:53:13 UTC
Tags:
rat asyncrat remote xmrig
Link:
https://app.any.run/tasks/2d71001b-7e5d-4529-8cd3-3788397f2875

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

Behaviour
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file in the %AppData% directory
Creating a file
Restart of the analyzed sample
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
DNS request
Connecting to a non-recommended domain
Connection attempt
Sending a custom TCP request
Running batch commands
Deleting a system file
Launching a process
Creating a service
Launching a service
Creating a file in the Windows subdirectories
Searching for synchronization primitives
Sending an HTTP GET request
Creating a file in the system32 subdirectories
Moving a file to the Program Files subdirectory
Replacing files
Setting browser functions hooks
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Enabling autorun for a service
Adding an exclusion to Microsoft Defender
Changing the hosts file
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
net_reactor packed packed
Link:
https://www.filescan.io/uploads/660c8c55d47d491925d13676/reports/fadbc5ae-4a45-4160-9745-8f3615ab0fc6/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/dfa2a1ac549c911af8183707ba1fed1e8c401f8e448ea36bb7825d03df0f4c5a
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b34a3594-2a3c-41b5-9024-03ce71127f20
Result
Threat name:
PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1419075
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to compare user and computer (likely to detect sandboxes)
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Creates multiple autostart registry keys
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Installs new ROOT certificates
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies power options to not sleep / hibernate
Modifies the context of a thread in another process (thread injection)
Modifies the hosts file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Sigma detected: Disable power options
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Set autostart key via New-ItemProperty Cmdlet
Sigma detected: Stop EventLog
Snort IDS alert for network traffic
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal Bitcoin Wallet information
Uses powercfg.exe to modify the power settings
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1419075 Sample: HtwQn7jhdt.exe Startdate: 03/04/2024 Architecture: WINDOWS Score: 100 70 catherby.sytes.net 2->70 72 edge.ds-c7110-microsoft.global.dns.qwilted-cds.cqloud.com 2->72 74 bg.microsoft.map.fastly.net 2->74 92 Snort IDS alert for network traffic 2->92 94 Antivirus detection for URL or domain 2->94 96 Antivirus detection for dropped file 2->96 98 13 other signatures 2->98 10 HtwQn7jhdt.exe 1 5 2->10         started        14 updater.exe 2->14         started        signatures3 process4 file5 66 C:\Users\user\AppData\Roaming\Ypldt.exe, PE32+ 10->66 dropped 68 C:\Users\user\AppData\Local\Temp\gg2.exe, PE32+ 10->68 dropped 112 Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines) 10->112 114 Suspicious powershell command line found 10->114 116 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 10->116 118 7 other signatures 10->118 16 gg2.exe 1 3 10->16         started        20 HtwQn7jhdt.exe 3 10->20         started        23 HtwQn7jhdt.exe 10->23         started        25 6 other processes 10->25 signatures6 process7 dnsIp8 60 C:\ProgramDatabehaviorgraphoogle\Chrome\updater.exe, PE32+ 16->60 dropped 62 C:\Windows\System32\drivers\etc\hosts, ASCII 16->62 dropped 78 Uses powercfg.exe to modify the power settings 16->78 80 Modifies the context of a thread in another process (thread injection) 16->80 82 Modifies the hosts file 16->82 90 2 other signatures 16->90 27 dialer.exe 16->27         started        30 cmd.exe 1 16->30         started        32 powershell.exe 23 16->32         started        36 13 other processes 16->36 76 catherby.sytes.net 162.230.48.189, 49730, 56001 ATT-INTERNET4US United States 20->76 64 C:\Users\user\AppData\...\HtwQn7jhdt.exe, PE32+ 20->64 dropped 84 Suspicious powershell command line found 20->84 86 Tries to harvest and steal Bitcoin Wallet information 20->86 88 Found direct / indirect Syscall (likely to bypass EDR) 20->88 34 powershell.exe 1 11 20->34         started        file9 signatures10 process11 signatures12 120 Injects code into the Windows Explorer (explorer.exe) 27->120 122 Contains functionality to inject code into remote processes 27->122 124 Writes to foreign memory regions 27->124 128 4 other signatures 27->128 38 lsass.exe 27->38 injected 53 11 other processes 27->53 41 conhost.exe 30->41         started        43 wusa.exe 30->43         started        45 conhost.exe 32->45         started        126 Creates multiple autostart registry keys 34->126 47 conhost.exe 34->47         started        49 Conhost.exe 34->49         started        51 conhost.exe 36->51         started        55 12 other processes 36->55 process13 signatures14 100 Installs new ROOT certificates 38->100 102 Writes to foreign memory regions 38->102 57 Ypldt.exe 38->57         started        process15 signatures16 104 Antivirus detection for dropped file 57->104 106 Multi AV Scanner detection for dropped file 57->106 108 Machine Learning detection for dropped file 57->108 110 3 other signatures 57->110
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/dfa2a1ac549c911af8183707ba1fed1e8c401f8e448ea36bb7825d03df0f4c5a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dfa2a1ac549c911af8183707ba1fed1e8c401f8e448ea36bb7825d03df0f4c5a/
Threat name:
Win64.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2024-04-02 22:53:12 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
3
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=36rkdlcutsirv6ayg4d3uh7nd2geah4oishkg25xqjoqhxypjrna._file
Verdict:
malicious
Similar samples:
017b15febc04189f8450a52455fe65f942ef1d31d2f8a1e1492b964eff14c455
CoinMiner
07632170506689c16d08c0ffe3b8ac37f959a35e5a4ac811e38318ac83b58f92
CoinMiner
1acd4659dc0f1f9d71d2687d471461ff4ad39c81610fd36b36e59cf0d6f1a3a0
CoinMiner
5ad1b9c53c1d492d106be462c7c5bfb1293d12ccf430804add98a96d3a34adcc
CoinMiner
71e762ecac0d40f0f0dd22638eba76ad746059678409cd94aaaea8719aa42fc7
CoinMiner
bc87e0eaeac968db7503e353766d796c4a7ca617848f02415970f4f21ad3e7bb
CoinMiner
dbbe21f14ca93d658be3606974e289edf4b205b22d967324c49cba1950f29b9e
CoinMiner
fe5543492a9e4e16791d47d369be38cca870b124a009a073cdb6cdf215e26a80
CoinMiner
+ 282 additional samples on MalwareBazaar
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:zgrat evasion persistence rat
Link:
https://tria.ge/reports/240402-2tykrsga3z/
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Creates new service(s)
Drops file in Drivers directory
Stops running service(s)
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
dfa2a1ac549c911af8183707ba1fed1e8c401f8e448ea36bb7825d03df0f4c5a
MD5 hash:
b14b3b1da5e2b04f3ddf04f55a090bd8
SHA1 hash:
33a84f949ddae2d47c2c18ab299cf602e6cac1da
Link:
https://www.unpac.me/results/efc93b2a-8267-4ced-860f-683e89e7536c/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/dfa2a1ac549c/report/overview.html
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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:MALWARE_Win_R77
Create hunting rule
Author:ditekSHen
Description:Detects r77 rootkit
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:PureCrypter
Create hunting rule
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Rootkit_R77_d0367e28
Create hunting rule
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 dfa2a1ac549c911af8183707ba1fed1e8c401f8e448ea36bb7825d03df0f4c5a

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2799488/

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 (GUARD_CF)high

Comments


Avatar
zbet commented on 2024-04-02 22:52:54 UTC

url : hxxps://catherby.cloud/shop/downloads/Sjtsv.exe