MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a597ff0090a8631f642c4b9223939fbb3535ebc8b001f1223aaeab9fbaa8d0f. 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: 6


Intelligence 6 IOCs YARA 1 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1a597ff0090a8631f642c4b9223939fbb3535ebc8b001f1223aaeab9fbaa8d0f
SHA3-384 hash: 55e753e6261aaa9ae3c9bf5b0eb66caa9537a1e511ec5cd6963613d507ce76d27f4ee63081af7298ba947c234cbb3701
SHA1 hash: a70266c61c18b8d1fd99a0108e6c776f29b6144b
MD5 hash: b0b243f5f8177da039c477f439d40b97
humanhash: leopard-bacon-mars-arkansas
File name:b0b243f5f8177da039c477f439d40b97
Download: download sample
Signature CoinMiner
Create hunting rule
File size:6'038'857 bytes
First seen:2022-02-05 15:47:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 08ce2bb5c289c22487015109b09aeba3 (8 x CoinMiner)
ssdeep 98304:2FJ8UjCiaqoZ00hqELxTRKqtqDYIz0YytsM/rxm99R15ZUFBUoI:i8UjCiaNX93tqDYIAYytJ/N4bvk0
TLSH T12D5633C8677BFB97FA0C11FA5F59066E0E685F69E0E04AB61214ADC320DCB546E20D3D
Reporter zbetcheckin
Tags:CoinMiner exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
230
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b0b243f5f8177da039c477f439d40b97
Verdict:
No threats detected
Analysis date:
2022-02-05 15:51:54 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c959f807-0e2f-4632-aba6-84991015a450

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/233587/
Detection(s):
SecuriteInfo.com.Variant.Lazy.94389.12720.12668.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file in the %AppData% subdirectories
DNS request
Creating a file
Creating a process from a recently created file
Сreating synchronization primitives
Creating a process with a hidden window
Searching for the window
Searching for analyzing tools
Using the Windows Management Instrumentation requests
Running batch commands
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/61fe9c36ad4747e99500393e/reports/d85278e4-a1bc-4143-813d-0d0c17d63a3b/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d5b52f79-4ce1-40e0-beef-12523cd5d790
Result
Threat name:
BitCoin Miner SilentXMRMiner Xmrig
Create hunting rule
Detection:
malicious
Classification:
evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/934516
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates a thread in another existing process (thread injection)
Drops PE files with benign system names
Found strings related to Crypto-Mining
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Sigma detected: File Created with System Process Name
Sigma detected: System File Execution Location Anomaly
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected BitCoin Miner
Yara detected SilentXMRMiner
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 566992 Sample: k7h4e1Tywk Startdate: 05/02/2022 Architecture: WINDOWS Score: 100 55 Antivirus / Scanner detection for submitted sample 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 Yara detected SilentXMRMiner 2->59 61 7 other signatures 2->61 9 k7h4e1Tywk.exe 5 2->9         started        13 services.exe 5 2->13         started        process3 file4 41 C:\Users\user\AppData\...\services.exe, PE32+ 9->41 dropped 43 C:\Users\...\services.exe:Zone.Identifier, ASCII 9->43 dropped 45 C:\Users\user\AppData\...\k7h4e1Tywk.exe.log, ASCII 9->45 dropped 77 Query firmware table information (likely to detect VMs) 9->77 79 Hides threads from debuggers 9->79 81 Drops PE files with benign system names 9->81 83 Tries to detect sandboxes / dynamic malware analysis system (registry check) 9->83 15 cmd.exe 1 9->15         started        17 cmd.exe 1 9->17         started        85 Antivirus detection for dropped file 13->85 87 Multi AV Scanner detection for dropped file 13->87 89 Tries to detect sandboxes and other dynamic analysis tools (window names) 13->89 91 Machine Learning detection for dropped file 13->91 20 sihost64.exe 13->20         started        signatures5 process6 signatures7 22 services.exe 5 15->22         started        26 conhost.exe 15->26         started        47 Uses schtasks.exe or at.exe to add and modify task schedules 17->47 28 conhost.exe 17->28         started        30 schtasks.exe 1 17->30         started        49 Writes to foreign memory regions 20->49 51 Allocates memory in foreign processes 20->51 53 Creates a thread in another existing process (thread injection) 20->53 32 conhost.exe 2 20->32         started        process8 file9 39 C:\Users\user\AppData\...\sihost64.exe, PE32+ 22->39 dropped 71 Query firmware table information (likely to detect VMs) 22->71 73 Hides threads from debuggers 22->73 75 Tries to detect sandboxes / dynamic malware analysis system (registry check) 22->75 34 sihost64.exe 22->34         started        signatures10 process11 signatures12 63 Antivirus detection for dropped file 34->63 65 Multi AV Scanner detection for dropped file 34->65 67 Writes to foreign memory regions 34->67 69 2 other signatures 34->69 37 conhost.exe 2 34->37         started        process13
Gathering data
Threat name:
Win64.Trojan.Casdet
Create hunting rule
Status:
Malicious
First seen:
2022-02-05 15:48:19 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
19 of 43 (44.19%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
evasion themida trojan
Link:
https://tria.ge/reports/220205-s8shmadbdq/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks whether UAC is enabled
Checks BIOS information in registry
Loads dropped DLL
Themida packer
Executes dropped EXE
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Unpacked files
SH256 hash:
1a597ff0090a8631f642c4b9223939fbb3535ebc8b001f1223aaeab9fbaa8d0f
MD5 hash:
b0b243f5f8177da039c477f439d40b97
SHA1 hash:
a70266c61c18b8d1fd99a0108e6c776f29b6144b
Link:
https://www.unpac.me/results/878a89cd-7972-4b0a-a80d-2b43ca3d6710/
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/1a597ff0090a8631f642c4b9223939fbb3535ebc8b001f1223aaeab9fbaa8d0f

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:INDICATOR_EXE_Packed_Themida
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with Themida

File information

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

Web download

CoinMiner

Executable exe 1a597ff0090a8631f642c4b9223939fbb3535ebc8b001f1223aaeab9fbaa8d0f

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2030947/
Cape
Cape
https://www.capesandbox.com/analysis/233587/

Comments


Avatar
zbet commented on 2022-02-05 15:47:56 UTC

url : hxxp://195.140.147.188/files/XxxrendypelxxX/XxxrendypelxxX_1.exe