MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37cb4075eec17b3d8913aa8c7b237a67920f30d1b198052d4303763dd880d4ff. 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: 7


Intelligence 7 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 37cb4075eec17b3d8913aa8c7b237a67920f30d1b198052d4303763dd880d4ff
SHA3-384 hash: b5c52b3680e1ebdb542f4864c37b41b7f4a21df5c0d0369cda1b3bbfd7590108773691439902e858ebd53efd4a887927
SHA1 hash: df7461d590312d1ba23f35d207de91fa5ed3f2a6
MD5 hash: 75ac71ebd1bdbfcce771fa1884137fdc
humanhash: nuts-wolfram-louisiana-leopard
File name:file
Download: download sample
Signature CoinMiner
Create hunting rule
File size:5'558'648 bytes
First seen:2022-11-23 02:32:29 UTC
Last seen:2023-08-26 21:25:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 074b8de7b62de75b5f28b66c7909b97c (6 x CoinMiner)
ssdeep 98304:pIdKVDtHB5lV1AFejBQC29svDrUD4Yp7vv+8ukEMplp4YoBZX+8K96/N7S:pIdKVDtjnOFeNvvDrCb2vFOlp4jV296w
TLSH T1DD46239921583358C05AC4785833FD49F3B6961E47E4F8EE72CFBAC07BAB410E646B46
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter jstrosch
Tags:CoinMiner exe X64

Intelligence

File Origin
# of uploads :
3
# of downloads :
191
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
No threats detected
Analysis date:
2022-11-23 02:33:24 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/db3742d7-254c-46d4-9417-b8f8e0f263c4

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/337417/
Detection(s):
SecuriteInfo.com.Win64.Trojan.Agent.EK2WI6.4457.17659.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Using the Windows Management Instrumentation requests
Running batch commands
Sending a custom TCP request
Creating a file in the Program Files subdirectories
Creating a process from a recently created file
Creating a file in the Windows subdirectories
Creating a file in the system32 subdirectories
Enabling autorun by creating a file
Verdict:
Unknown
Threat level:
n/a  -.1/10
Confidence:
100%
Tags:
anti-debug overlay packed
Link:
https://www.filescan.io/uploads/637d866101e2438071a3d670/reports/5c43d675-9d59-4350-afbd-f4ea59dbe154/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:
Malicious
Link:
https://analyze.intezer.com/analyses/a85d61e2-0c1e-4133-9912-36542ca5959f
Result
Threat name:
Xmrig
Create hunting rule
Detection:
malicious
Classification:
evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1119388
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)
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
Tries to detect virtualization through RDTSC time measurements
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: 752105 Sample: file.exe Startdate: 23/11/2022 Architecture: WINDOWS Score: 100 45 xmr-eu1.nanopool.org 2->45 49 Antivirus detection for dropped file 2->49 51 Multi AV Scanner detection for dropped file 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 7 other signatures 2->55 8 WinUpdate.exe 3 2->8         started        12 file.exe 3 2->12         started        14 cmd.exe 1 2->14         started        16 9 other processes 2->16 signatures3 process4 file5 39 C:\Windows\Temp\tmuvmegj.tmp, PE32+ 8->39 dropped 41 C:\Program Filesbehaviorgraphoogle\Libs\WR64.sys, PE32+ 8->41 dropped 57 Very long command line found 8->57 59 Writes to foreign memory regions 8->59 61 Modifies the context of a thread in another process (thread injection) 8->61 73 2 other signatures 8->73 18 conhost.exe 8->18         started        21 cmd.exe 8->21         started        23 svchost.exe 8->23         started        43 C:\Program Files\...\WinUpdate.exe, PE32+ 12->43 dropped 63 Adds a directory exclusion to Windows Defender 12->63 65 Tries to detect virtualization through RDTSC time measurements 12->65 67 Uses cmd line tools excessively to alter registry or file data 14->67 25 reg.exe 1 14->25         started        27 reg.exe 1 14->27         started        29 reg.exe 1 14->29         started        33 8 other processes 14->33 69 Creates files in the system32 config directory 16->69 71 Uses schtasks.exe or at.exe to add and modify task schedules 16->71 31 conhost.exe 16->31         started        35 20 other processes 16->35 signatures6 process7 signatures8 47 Adds a directory exclusion to Windows Defender 18->47 37 conhost.exe 21->37         started        process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/37cb4075eec17b3d8913aa8c7b237a67920f30d1b198052d4303763dd880d4ff/
Threat name:
Win64.Trojan.Miner
Create hunting rule
Status:
Malicious
First seen:
2022-11-22 01:56:54 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g7fua5poyf5t3citvkghwi32m6ja6mgrwgmaklkdan3d3wea2t7q._file
Verdict:
unknown
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:xmrig evasion miner upx
Link:
https://tria.ge/reports/221123-c1wbjscc81/
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:
37cb4075eec17b3d8913aa8c7b237a67920f30d1b198052d4303763dd880d4ff
MD5 hash:
75ac71ebd1bdbfcce771fa1884137fdc
SHA1 hash:
df7461d590312d1ba23f35d207de91fa5ed3f2a6
Link:
https://www.unpac.me/results/9cbf9bc5-eb20-4d72-bd30-6a2f0168f2cb/
Malware family:
XMRig
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/37cb4075eec1/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/37cb4075eec17b3d8913aa8c7b237a67920f30d1b198052d4303763dd880d4ff

File information

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

Web download

CoinMiner

Executable exe 37cb4075eec17b3d8913aa8c7b237a67920f30d1b198052d4303763dd880d4ff

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2410328/
Cape
Cape
https://www.capesandbox.com/analysis/337417/

Comments