MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf90c1ac3aeec2425d48dd23ead4d7ed927123dfc2e41e2322d0b91d589a50ab. 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

SHA256 hash: bf90c1ac3aeec2425d48dd23ead4d7ed927123dfc2e41e2322d0b91d589a50ab
SHA3-384 hash: 6d7c6c2a2afa1522fdcc38dd1d5b127c812a03866230e7393e7f81869ee6286274b1036966298c1903f9096803bcf983
SHA1 hash: 8c1266469bb2ff7a69f087b45cebac6c4ccfb664
MD5 hash: 5e7ce8bb80b65b072eff9ae99cfc7500
humanhash: black-violet-alpha-kansas
File name:file
Download: download sample
Signature CoinMiner
File size:1'499'648 bytes
First seen:2022-11-22 10:33:23 UTC
Last seen:2022-11-22 12:55:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7b0b3ea32e689432bd728fd294cc1719 (2 x CoinMiner)
ssdeep 24576:+nwX3wpejXPWO8ls5a/qFzDUAhlOI4kxd96Ikg4B5B:+wwpeLX8lh/qFEaOVqEIYz
Threatray 2'314 similar samples on MalwareBazaar
TLSH T191657B0127E4FA10C19E497458BA19A527F36EC58C30502767EC79CA9FB36903E6D3EE
File icon (PE):PE icon
dhash icon 7085888c8c888470 (4 x CoinMiner)
Reporter andretavare5
Tags:CoinMiner exe


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

Intelligence


File Origin
# of uploads :
3
# of downloads :
192
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
No threats detected
Analysis date:
2022-11-22 10:36:19 UTC
Tags:
n/a

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

Behaviour
Сreating synchronization primitives
Launching a process
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
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Creating a process with a hidden window
Creating a window
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
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.
Result
Threat name:
Detection:
malicious
Classification:
evad.mine
Score:
68 / 100
Signature
Adds a directory exclusion to Windows Defender
DNS related to crypt mining pools
PE file has nameless sections
Sets debug register (to hijack the execution of another thread)
Tries to evade debugger and weak emulator (self modifying code)
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 751556 Sample: file.exe Startdate: 22/11/2022 Architecture: WINDOWS Score: 68 29 xmr-eu1.nanopool.org 2->29 33 Yara detected Xmrig cryptocurrency miner 2->33 35 DNS related to crypt mining pools 2->35 37 PE file has nameless sections 2->37 8 file.exe 5 2->8         started        signatures3 process4 file5 25 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 8->25 dropped 27 C:\ProgramData\winrar\OWT.exe, MS-DOS 8->27 dropped 39 Sets debug register (to hijack the execution of another thread) 8->39 41 Tries to evade debugger and weak emulator (self modifying code) 8->41 43 Adds a directory exclusion to Windows Defender 8->43 12 cmd.exe 1 8->12         started        14 powershell.exe 20 8->14         started        signatures6 process7 process8 16 OWT.exe 12->16         started        19 conhost.exe 12->19         started        21 timeout.exe 1 12->21         started        23 conhost.exe 14->23         started        signatures9 31 Tries to evade debugger and weak emulator (self modifying code) 16->31
Threat name:
Win64.Trojan.Privateloader
Status:
Malicious
First seen:
2022-11-22 10:34:13 UTC
File Type:
PE+ (Exe)
Extracted files:
386
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xmrig miner
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
Program crash
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:
bf90c1ac3aeec2425d48dd23ead4d7ed927123dfc2e41e2322d0b91d589a50ab
MD5 hash:
5e7ce8bb80b65b072eff9ae99cfc7500
SHA1 hash:
8c1266469bb2ff7a69f087b45cebac6c4ccfb664
Please note that we are no longer able to provide a coverage score for Virus Total.

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

Comments