MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b41fe74a18b2144c07dbee93a8f3e1665214d881ab26bf8e2c5f99bd725e3686. 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 2 File information Comments

SHA256 hash: b41fe74a18b2144c07dbee93a8f3e1665214d881ab26bf8e2c5f99bd725e3686
SHA3-384 hash: 7265d5109d06273329fd53e93528f1a0dc33b0875b6c5ad8eb1c55820abe799b1eb410aeec0de45721e7b246f78c16da
SHA1 hash: d4ff78e41c3e2c07bdfe41deccd576b54521d7af
MD5 hash: 86a2095f27dfcceb7d7aaa6bf6b55949
humanhash: white-louisiana-oklahoma-snake
File name:file
Download: download sample
Signature CoinMiner
File size:799'744 bytes
First seen:2022-12-05 06:37:35 UTC
Last seen:2022-12-05 08:38:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 4549ea37d50dc3791ffd4c1a27b5e5e1 (1 x CoinMiner)
ssdeep 12288:q67awpnxX4Ljf8OVhO+qCtSlZHI4C8qiOSbD0zqN+UQvj5g:q6G4Nwjf8eXqCtSlRbC3100LUQb
TLSH T1DF05E080BBD8A42DF07671B54FAAC3A59632FCE086524A2B3508720F5A74D428D7777F
File icon (PE):PE icon
dhash icon c0c2e6e4cecce664 (4 x CoinMiner)
Reporter andretavare5
Tags:CoinMiner exe


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

Intelligence


File Origin
# of uploads :
4
# of downloads :
178
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
No threats detected
Analysis date:
2022-12-05 06:38:01 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
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
Sending a custom TCP request
Creating a process from a recently created file
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Sending an HTTP POST request
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Result
Verdict:
MALICIOUS
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:
100 / 100
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
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)
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 Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 760479 Sample: file.exe Startdate: 05/12/2022 Architecture: WINDOWS Score: 100 33 xmr-eu1.nanopool.org 2->33 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected Xmrig cryptocurrency miner 2->43 45 DNS related to crypt mining pools 2->45 47 2 other signatures 2->47 8 file.exe 5 2->8         started        signatures3 process4 file5 29 C:\ProgramData\github\PBBNAXU.exe, MS-DOS 8->29 dropped 31 C:\Users\user\AppData\Local\...\file.exe.log, CSV 8->31 dropped 49 Detected unpacking (changes PE section rights) 8->49 51 Detected unpacking (overwrites its own PE header) 8->51 53 Sets debug register (to hijack the execution of another thread) 8->53 55 2 other signatures 8->55 12 cmd.exe 1 8->12         started        14 powershell.exe 19 8->14         started        16 powershell.exe 15 8->16         started        signatures6 process7 process8 18 PBBNAXU.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 Tries to evade debugger and weak emulator (self modifying code) 18->39
Threat name:
Win64.Trojan.Privateloader
Status:
Malicious
First seen:
2022-12-05 06:38:12 UTC
File Type:
PE+ (Exe)
Extracted files:
91
AV detection:
14 of 26 (53.85%)
Threat level:
  5/5
Verdict:
malicious
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:
b41fe74a18b2144c07dbee93a8f3e1665214d881ab26bf8e2c5f99bd725e3686
MD5 hash:
86a2095f27dfcceb7d7aaa6bf6b55949
SHA1 hash:
d4ff78e41c3e2c07bdfe41deccd576b54521d7af
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:BAZT_B5_NOCEXInvalidStream
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com

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