MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb93bed808405cefb72de5c65d0f4906a9b771b0a31dc45b9428258bd7097828. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: cb93bed808405cefb72de5c65d0f4906a9b771b0a31dc45b9428258bd7097828
SHA3-384 hash: a4ad793f1a0295ae0ff94201f366b10003171a61394f59ba9865bce1b14c5e2f51f2ab466ec7767f4e4a5df714339734
SHA1 hash: 1b99314a405a2befe25d35fd26daa05bd578c9ca
MD5 hash: 0cc7c9a5f3c9f3198c9100bb00158d0f
humanhash: sierra-one-zebra-nineteen
File name:0cc7c9a5f3c9f3198c9100bb00158d0f.exe
Download: download sample
Signature CoinMiner
File size:200'704 bytes
First seen:2021-08-30 13:15:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 3072:dJGbEddcjE7Pg+NRuF1HshlGvge9nq2htwTjuYnEnLjmU1giDh4pODyB:v0Evc8FnhlugeTwnufnOU9C
Threatray 105 similar samples on MalwareBazaar
TLSH T17414598D5B53A4E8F4C9CC77AEFD769F3B26EA6A16C3194902D78B134C913B07A4D408
Reporter abuse_ch
Tags:CoinMiner exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
131
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
setup_x86_x64_install.exe
Verdict:
Malicious activity
Analysis date:
2021-08-30 08:32:30 UTC
Tags:
trojan rat redline evasion unwanted netsupport opendir stealer vidar raccoon loader

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
Creating a process from a recently created file
Creating a file
Running batch commands
Launching a process
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %AppData% directory
Creating a process with a hidden window
Connection attempt to an infection source
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Deleting a recently created file
Reading critical registry keys
Sending a UDP request
Creating a window
Using the Windows Management Instrumentation requests
Launching the default Windows debugger (dwwin.exe)
Creating a file in the system32 directory
Unauthorized injection to a recently created process
Query of malicious DNS domain
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
BitCoin Miner Xmrig
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Connects to a pastebin service (likely for C&C)
Detected unpacking (changes PE section rights)
DNS related to crypt mining pools
Drops executables to the windows directory (C:\Windows) and starts them
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
PE file contains section with special chars
PE file has nameless sections
Performs DNS queries to domains with low reputation
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: Xmrig
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected BitCoin Miner
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 474028 Sample: 6Ttcu4rR5x.exe Startdate: 30/08/2021 Architecture: WINDOWS Score: 100 104 sanctam.net 172.94.15.211, 49717, 58899 VOXILITYGB United States 2->104 106 51.15.67.17, 14433, 49720 OnlineSASFR France 2->106 108 6 other IPs or domains 2->108 130 Sigma detected: Xmrig 2->130 132 Malicious sample detected (through community Yara rule) 2->132 134 System process connects to network (likely due to code injection or exploit) 2->134 136 11 other signatures 2->136 12 6Ttcu4rR5x.exe 4 2->12         started        15 services64.exe 2->15         started        18 WinHoster.exe 2->18         started        signatures3 process4 file5 94 C:\Users\user\AppData\...\JoBrowserSet.exe, PE32 12->94 dropped 96 C:\Users\user\AppData\Local\...\Chrome4.exe, PE32+ 12->96 dropped 98 C:\Users\user\AppData\...\6Ttcu4rR5x.exe.log, ASCII 12->98 dropped 20 JoBrowserSet.exe 15 6 12->20         started        25 Chrome4.exe 5 12->25         started        100 C:\Users\user\AppData\Local\...\svchost64.exe, PE32+ 15->100 dropped 158 Adds a directory exclusion to Windows Defender 15->158 27 cmd.exe 15->27         started        29 cmd.exe 15->29         started        signatures6 process7 dnsIp8 114 2no.co 88.99.66.31, 443, 49711, 49712 HETZNER-ASDE Germany 20->114 116 one-online-gam3s.com 104.21.88.169, 443, 49710 CLOUDFLARENETUS United States 20->116 90 C:\Users\user\AppData\Roaming\3924149.exe, PE32 20->90 dropped 92 C:\Users\user\AppData\Roaming\2833587.exe, PE32 20->92 dropped 140 Multi AV Scanner detection for dropped file 20->140 142 Detected unpacking (changes PE section rights) 20->142 144 Machine Learning detection for dropped file 20->144 31 3924149.exe 20->31         started        35 2833587.exe 20->35         started        146 Adds a directory exclusion to Windows Defender 25->146 38 cmd.exe 1 25->38         started        40 cmd.exe 1 25->40         started        42 conhost.exe 27->42         started        44 powershell.exe 27->44         started        file9 signatures10 process11 dnsIp12 102 C:\Users\user\AppData\...\WinHoster.exe, PE32 31->102 dropped 118 Multi AV Scanner detection for dropped file 31->118 120 Detected unpacking (changes PE section rights) 31->120 46 WinHoster.exe 31->46         started        110 businessdirectory2.xyz 172.67.162.94, 443, 49713, 49719 CLOUDFLARENETUS United States 35->110 112 192.168.2.1 unknown unknown 35->112 122 Performs DNS queries to domains with low reputation 35->122 124 Tries to harvest and steal browser information (history, passwords, etc) 35->124 49 svchost64.exe 38->49         started        52 conhost.exe 38->52         started        126 Uses schtasks.exe or at.exe to add and modify task schedules 40->126 128 Adds a directory exclusion to Windows Defender 40->128 54 powershell.exe 21 40->54         started        56 conhost.exe 40->56         started        58 powershell.exe 40->58         started        60 2 other processes 40->60 file13 signatures14 process15 file16 148 Multi AV Scanner detection for dropped file 46->148 150 Detected unpacking (changes PE section rights) 46->150 88 C:\Windows\System32\services64.exe, PE32+ 49->88 dropped 152 Machine Learning detection for dropped file 49->152 154 Drops executables to the windows directory (C:\Windows) and starts them 49->154 62 services64.exe 49->62         started        65 cmd.exe 49->65         started        67 cmd.exe 49->67         started        signatures17 process18 signatures19 156 Adds a directory exclusion to Windows Defender 62->156 69 cmd.exe 62->69         started        72 conhost.exe 65->72         started        74 schtasks.exe 65->74         started        76 conhost.exe 67->76         started        78 choice.exe 67->78         started        process20 signatures21 138 Adds a directory exclusion to Windows Defender 69->138 80 conhost.exe 69->80         started        82 powershell.exe 69->82         started        84 powershell.exe 69->84         started        86 powershell.exe 69->86         started        process22
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-30 11:12:54 UTC
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xmrig discovery miner persistence spyware stealer
Behaviour
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in System32 directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
XMRig Miner Payload
xmrig
Unpacked files
SH256 hash:
cb93bed808405cefb72de5c65d0f4906a9b771b0a31dc45b9428258bd7097828
MD5 hash:
0cc7c9a5f3c9f3198c9100bb00158d0f
SHA1 hash:
1b99314a405a2befe25d35fd26daa05bd578c9ca
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:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

CoinMiner

Executable exe cb93bed808405cefb72de5c65d0f4906a9b771b0a31dc45b9428258bd7097828

(this sample)

  
Delivery method
Distributed via web download

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