MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3d41c961e0695a659649c860380f7fdaa85fdd3ab07e286e999bb283b762853. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c3d41c961e0695a659649c860380f7fdaa85fdd3ab07e286e999bb283b762853
SHA3-384 hash: 24b2242f607867c4429e63f6726cb3be84ec477d94bc8a12252ce09d463de1ec782545c35c8876c541d64384dd8ddcee
SHA1 hash: 7c22f0fe0520c0ec723a7506f5c92c6712013114
MD5 hash: 076a9ef5fde98bad23aeb120d3d16745
humanhash: queen-pennsylvania-sixteen-stream
File name:rkM89rgjhUZEuZdvuLSv6Z3Y0AddpE.exe
Download: download sample
Signature CoinMiner
Create hunting rule
File size:5'540'864 bytes
First seen:2022-11-14 02:01:07 UTC
Last seen:2022-11-14 03:37:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 074b8de7b62de75b5f28b66c7909b97c (6 x CoinMiner)
ssdeep 98304:h71UYv2H378SzlWZWDCgAFejBQC29svDrUD4Yp7vPITfEQtrc/TQjZ:V2YY8SzEZhFeNvvDrCbwj9
TLSH T1064612BA5148332CC426CAB45533FD45B3F6121D4BE8F9AEB1EBB6C067EB4609902F45
TrID 45.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
18.3% (.EXE) OS/2 Executable (generic) (2029/13)
18.0% (.EXE) Generic Win/DOS Executable (2002/3)
18.0% (.EXE) DOS Executable Generic (2000/1)
Reporter tcains1
Tags:CoinMiner exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
200
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
install.exe
Verdict:
Malicious activity
Analysis date:
2022-11-14 01:45:45 UTC
Tags:
evasion stealer opendir loader
Link:
https://app.any.run/tasks/e2e7dcd0-5289-4a3b-aff6-cff222953012

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/333504/
Detection(s):
SecuriteInfo.com.Win64.Malware-gen.17438.8202.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Using the Windows Management Instrumentation requests
Running batch commands
Creating a file in the Program Files subdirectories
Creating a process from a recently created file
Creating a file in the Windows subdirectories
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug packed
Link:
https://www.filescan.io/uploads/6371a19a65b4ed3de8c837b6/reports/70712940-b485-4193-b621-b73feb0744ea/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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/90b93e34-ac9e-408f-8422-a7c5910b308d
Result
Threat name:
Xmrig
Create hunting rule
Detection:
malicious
Classification:
evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1112515
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Creates files in the system32 config directory
DNS related to crypt mining pools
Found hidden mapped module (file has been removed from disk)
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Sample is not signed and drops a device driver
Uses cmd line tools excessively to alter registry or file data
Uses schtasks.exe or at.exe to add and modify task schedules
Very long command line found
Writes to foreign memory regions
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 745211 Sample: rkM89rgjhUZEuZdvuLSv6Z3Y0Ad... Startdate: 14/11/2022 Architecture: WINDOWS Score: 100 42 xmr-eu1.nanopool.org 2->42 46 Antivirus detection for dropped file 2->46 48 Multi AV Scanner detection for dropped file 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 8 other signatures 2->52 7 WinUpdate.exe 3 2->7         started        11 rkM89rgjhUZEuZdvuLSv6Z3Y0AddpE.exe 3 2->11         started        13 cmd.exe 1 2->13         started        15 10 other processes 2->15 signatures3 process4 file5 36 C:\Windows\Temp\tmuvmegj.tmp, PE32+ 7->36 dropped 38 C:\Program Filesbehaviorgraphoogle\Libs\WR64.sys, PE32+ 7->38 dropped 54 Very long command line found 7->54 56 Writes to foreign memory regions 7->56 58 Modifies the context of a thread in another process (thread injection) 7->58 68 2 other signatures 7->68 17 conhost.exe 7->17         started        20 svchost.exe 7->20         started        40 C:\Program Files\...\WinUpdate.exe, PE32+ 11->40 dropped 60 Adds a directory exclusion to Windows Defender 11->60 62 Uses cmd line tools excessively to alter registry or file data 13->62 22 reg.exe 1 13->22         started        24 reg.exe 1 13->24         started        26 reg.exe 1 13->26         started        32 8 other processes 13->32 64 Creates files in the system32 config directory 15->64 66 Uses schtasks.exe or at.exe to add and modify task schedules 15->66 28 conhost.exe 15->28         started        30 conhost.exe 15->30         started        34 20 other processes 15->34 signatures6 process7 signatures8 44 Adds a directory exclusion to Windows Defender 17->44
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c3d41c961e0695a659649c860380f7fdaa85fdd3ab07e286e999bb283b762853/
Threat name:
Win64.Trojan.Miner
Create hunting rule
Status:
Malicious
First seen:
2022-11-14 02:06:52 UTC
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ypkbzfq6a2k2mwletsdahahx7wvil7otvmd6fbxjtg5sqo3wfbjq._file
Verdict:
unknown
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:xmrig evasion miner upx
Link:
https://tria.ge/reports/221114-cf4r7aec59/
Behaviour
Creates scheduled task(s)
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Stops running service(s)
UPX packed file
XMRig Miner payload
Modifies security service
Suspicious use of NtCreateUserProcessOtherParentProcess
xmrig
Unpacked files
SH256 hash:
c3d41c961e0695a659649c860380f7fdaa85fdd3ab07e286e999bb283b762853
MD5 hash:
076a9ef5fde98bad23aeb120d3d16745
SHA1 hash:
7c22f0fe0520c0ec723a7506f5c92c6712013114
Link:
https://www.unpac.me/results/11c51413-f909-4f8b-8930-3011d87b65a2/
Malware family:
XMRig
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c3d41c961e06/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/c3d41c961e0695a659649c860380f7fdaa85fdd3ab07e286e999bb283b762853

File information

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

Web download

CoinMiner

Executable exe e21d4e0b2f711e72b6251d1a0a5f1a703baffb7c7ddd1d1b087bc9068f17aaa8

CoinMiner

Executable exe c3d41c961e0695a659649c860380f7fdaa85fdd3ab07e286e999bb283b762853

(this sample)

  
Dropped by
SHA256 e21d4e0b2f711e72b6251d1a0a5f1a703baffb7c7ddd1d1b087bc9068f17aaa8
  
Delivery method
Distributed via drive-by
Cape
Cape
https://www.capesandbox.com/analysis/333504/
  
URLhaus
https://urlhaus.abuse.ch/url/2410328/
  
Dropped by
MD5 2cb6e6ad7ca54267902fc96c5f9eceb6

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