MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb8d739492d9749cab1cbb725faca2e4a75b992034b9fa0da3a37f341f6d6aa7. 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: 9


Intelligence 9 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cb8d739492d9749cab1cbb725faca2e4a75b992034b9fa0da3a37f341f6d6aa7
SHA3-384 hash: c568e30b21957f7a8817c4b106848971d2dc4e6abc737107d7ba85704d654b00da9cf80072e17e8410213024ce72d3eb
SHA1 hash: 544369181978c3c115e0ab21ca284affe3f09a82
MD5 hash: 22cd0d48463fc99e654c088fad30987b
humanhash: alanine-snake-enemy-white
File name:file
Download: download sample
Signature CoinMiner
Create hunting rule
File size:2'681'344 bytes
First seen:2022-12-06 12:02:51 UTC
Last seen:2022-12-06 14:56:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 8392a72046cf4fe69fccee7c860affba (1 x CoinMiner)
ssdeep 24576:+HzBbaqJ3vPnyMqR82KRRzBbaqJOfLz+cIf9m+Zfy5qsiNlHSm86freGvJwadvBD:Zy2KL9mGKgsylU66GBJdvBvvqRd70Z
TLSH T193C59D20B350C0A5D956453DDD0AE3EAA2647D058E38988B7FF63F9E3A35161DF283D2
Reporter andretavare5
Tags:CoinMiner exe


Avatar
andretavare5
Sample downloaded from http://gobesitysurgery.com/svcrun.exe

Intelligence

File Origin
# of uploads :
6
# of downloads :
183
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
No threats detected
Analysis date:
2022-12-06 12:04:53 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1181616d-028d-4900-8765-4e3a8455488a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/343395/
Detection(s):
SecuriteInfo.com.Win64.Evo-gen.22049.27564.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for analyzing tools
Launching a process
Сreating synchronization primitives
Creating a file
Creating a file in the %temp% directory
Enabling the 'hidden' option for recently created files
Running batch commands
Creating a process from a recently created file
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Sending an HTTP POST request
Searching for synchronization primitives
DNS request
Connecting to a cryptocurrency mining pool
Creating a service
Launching a service
Loading a system driver
Enabling autorun for a service
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/638f2f789a505ad9423da2b1/reports/56c288b6-bfc2-480e-b934-5370cf930222/overview
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.
Malware family:
PC Hunter
Create hunting rule
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/a6535f6c-4663-4bf8-ba78-33acd60939f8
Result
Threat name:
PCHunter tool, Xmrig
Create hunting rule
Detection:
malicious
Classification:
spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1128889
Signature
Adds a directory exclusion to Windows Defender
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
DNS related to crypt mining pools
Machine Learning detection for dropped file
Machine Learning detection for sample
May modify the system service descriptor table (often done to hook functions)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has nameless sections
Sets debug register (to hijack the execution of another thread)
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to evade debugger and weak emulator (self modifying code)
Yara detected PCHunter tool
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 761614 Sample: file.exe Startdate: 06/12/2022 Architecture: WINDOWS Score: 100 33 xmr-eu1.nanopool.org 2->33 43 Snort IDS alert for network traffic 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected Xmrig cryptocurrency miner 2->47 49 6 other signatures 2->49 8 file.exe 5 2->8         started        signatures3 process4 file5 29 C:\ProgramData\mediaApp\ILGDIYG.exe, MS-DOS 8->29 dropped 31 C:\Users\user\AppData\Local\...\file.exe.log, CSV 8->31 dropped 51 Detected unpacking (changes PE section rights) 8->51 53 Detected unpacking (overwrites its own PE header) 8->53 55 Sets debug register (to hijack the execution of another thread) 8->55 57 2 other signatures 8->57 12 cmd.exe 1 8->12         started        14 powershell.exe 20 8->14         started        16 powershell.exe 19 8->16         started        signatures6 process7 process8 18 ILGDIYG.exe 12->18         started        21 conhost.exe 12->21         started        23 timeout.exe 1 12->23         started        25 conhost.exe 14->25         started        27 conhost.exe 16->27         started        signatures9 35 Multi AV Scanner detection for dropped file 18->35 37 Tries to detect sandboxes and other dynamic analysis tools (window names) 18->37 39 Machine Learning detection for dropped file 18->39 41 Tries to evade debugger and weak emulator (self modifying code) 18->41
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cb8d739492d9749cab1cbb725faca2e4a75b992034b9fa0da3a37f341f6d6aa7/
Threat name:
Win64.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-12-06 12:03:13 UTC
File Type:
PE+ (Exe)
Extracted files:
46
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zogxhfes3f2jzky4xnzf7lfc4stvxgjags47udndun7tih3nnktq._file
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:xmrig miner
Link:
https://tria.ge/reports/221206-n71qdsfe57/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Uses the VBS compiler for execution
Executes dropped EXE
XMRig Miner payload
xmrig
Unpacked files
SH256 hash:
cb8d739492d9749cab1cbb725faca2e4a75b992034b9fa0da3a37f341f6d6aa7
MD5 hash:
22cd0d48463fc99e654c088fad30987b
SHA1 hash:
544369181978c3c115e0ab21ca284affe3f09a82
Link:
https://www.unpac.me/results/a505336c-3ebb-409e-9874-c465bbbd3fa3/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cb8d739492d9/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
CoinMiner
Score:
0.60
Link:
https://yomi.yoroi.company/submissions/cb8d739492d9749cab1cbb725faca2e4a75b992034b9fa0da3a37f341f6d6aa7

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:BAZT_B5_NOCEXInvalidStream
Create hunting rule
Rule name:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:win_xfilesstealer_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.xfilesstealer.

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
  
URLhaus
https://urlhaus.abuse.ch/url/2441526/
Cape
Cape
https://www.capesandbox.com/analysis/343395/

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