MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3f86d4fbfa40124e56aa9c207cd1501d3ba108bae6850c51a7ad992d24a4949. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a3f86d4fbfa40124e56aa9c207cd1501d3ba108bae6850c51a7ad992d24a4949
SHA3-384 hash: 5153ccb86ea09f1e6375afeba23dc5c6b92dff5d149f4022b65d37d199e323bf6f24d3d02d13a7c0e7aa1d8f4ed0a47c
SHA1 hash: 67bfd99aabd77fa27abc082b143326b712566cdb
MD5 hash: ff92658bebd4081e2389e1c82490c745
humanhash: five-edward-october-princess
File name:ff92658bebd4081e2389e1c82490c745
Download: download sample
Signature CoinMiner
Create hunting rule
File size:642'560 bytes
First seen:2023-12-03 04:16:13 UTC
Last seen:2023-12-03 06:26:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:JDN/RudPFEVuXArzXBNVq8Bc6qEkdgfBOdjTDnhj21Mvx0jz/Fq:JmFZ4zXBNAwcqfBOnfxCztq
TLSH T115D4235AEF9A8C57E80B497A2DF71AD09C25E61C2D3BC045F792801BBF056E40FC9B58
TrID 56.5% (.EXE) Win64 Executable (generic) (10523/12/4)
11.0% (.ICL) Windows Icons Library (generic) (2059/9)
10.9% (.EXE) OS/2 Executable (generic) (2029/13)
10.7% (.EXE) Generic Win/DOS Executable (2002/3)
10.7% (.EXE) DOS Executable Generic (2000/1)
Reporter zbetcheckin
Tags:64 CoinMiner exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
367
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
kelihos
Create hunting rule
ID:
1
File name:
New Text Document.exe
Verdict:
Malicious activity
Analysis date:
2023-12-02 23:36:10 UTC
Tags:
kelihos trojan loader risepro stealer evasion opendir agenttesla stealc rat remcos remote lokibot gcleaner amadey botnet phorpiex formbook spyware grmsk onlylogger socks5systemz nanocore systembc proxy
Link:
https://app.any.run/tasks/ccdbfee0-cf1c-402c-8b19-8d2978031285

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
zgRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/462048/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2147.4885.5165.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a file
Using the Windows Management Instrumentation requests
Forced system process termination
Creating a process from a recently created file
Launching a process
Deleting a recently created file
Creating a window
Sending an HTTP GET request
Enabling autorun by creating a file
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/656c01526d3af1922678fddc/reports/a1ab5489-c95b-45b8-9c71-fe4a7964b78d/overview
Verdict:
Malicious
Labled as:
MSILHeracles.Generic
Link:
https://www.hybrid-analysis.com/sample/a3f86d4fbfa40124e56aa9c207cd1501d3ba108bae6850c51a7ad992d24a4949
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/83f3f324-7590-4633-8e21-2ac14cc7893e
Result
Threat name:
Xmrig, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1352434
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Connects to many ports of the same IP (likely port scanning)
Detected Stratum mining protocol
Encrypted powershell cmdline option found
Found strings related to Crypto-Mining
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Potential dropper URLs found in powershell memory
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sigma detected: Xmrig
Suspicious powershell command line found
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected PersistenceViaHiddenTask
Yara detected Xmrig cryptocurrency miner
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1352434 Sample: tZ8viYNUEH.exe Startdate: 03/12/2023 Architecture: WINDOWS Score: 100 36 Sigma detected: Xmrig 2->36 38 Multi AV Scanner detection for domain / URL 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 15 other signatures 2->42 7 DigestAlgorithm.exe 3 2->7         started        10 powershell.exe 23 2->10         started        12 tZ8viYNUEH.exe 6 2->12         started        15 DigestAlgorithm.exe 2->15         started        process3 file4 54 Antivirus detection for dropped file 7->54 56 Multi AV Scanner detection for dropped file 7->56 58 Machine Learning detection for dropped file 7->58 62 3 other signatures 7->62 17 AddInUtil.exe 16 2 7->17         started        60 Potential dropper URLs found in powershell memory 10->60 21 conhost.exe 10->21         started        32 C:\Users\user\AppData\...\DigestAlgorithm.exe, PE32+ 12->32 dropped signatures5 process6 dnsIp7 34 163.123.142.171, 39001, 49729, 49730 ILIGHT-NETUS Reserved 17->34 44 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 17->44 46 Found strings related to Crypto-Mining 17->46 48 Writes to foreign memory regions 17->48 52 2 other signatures 17->52 23 AddInProcess.exe 17->23         started        26 AddInProcess.exe 17->26         started        28 AddInProcess.exe 17->28         started        30 AddInProcess.exe 17->30         started        signatures8 50 Detected Stratum mining protocol 34->50 process9 signatures10 64 Query firmware table information (likely to detect VMs) 23->64
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a3f86d4fbfa40124e56aa9c207cd1501d3ba108bae6850c51a7ad992d24a4949
Gathering data
Threat name:
ByteCode-MSIL.Worm.Cridex
Create hunting rule
Status:
Malicious
First seen:
2023-12-02 16:28:59 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=up4g2t57uqasjzlkvhbaptivahj3ueelvzufbri2plmzfuskjfeq._file
Verdict:
malicious
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:xmrig family:zgrat miner rat
Link:
https://tria.ge/reports/231203-ewjs3ahc77/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Drops file in System32 directory
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
XMRig Miner payload
Detect ZGRat V1
ZGRat
xmrig
Unpacked files
SH256 hash:
a3f86d4fbfa40124e56aa9c207cd1501d3ba108bae6850c51a7ad992d24a4949
MD5 hash:
ff92658bebd4081e2389e1c82490c745
SHA1 hash:
67bfd99aabd77fa27abc082b143326b712566cdb
Link:
https://www.unpac.me/results/cce269ba-fd5a-4a22-b66e-4a5f6236b2de/
Malware family:
XMRig
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a3f86d4fbfa4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a3f86d4fbfa40124e56aa9c207cd1501d3ba108bae6850c51a7ad992d24a4949

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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table

File information

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

Web download

CoinMiner

Executable exe a3f86d4fbfa40124e56aa9c207cd1501d3ba108bae6850c51a7ad992d24a4949

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2736820/
Cape
Cape
https://www.capesandbox.com/analysis/462048/

Comments


Avatar
zbet commented on 2023-12-03 04:16:14 UTC

url : hxxp://163.123.142.171:8080/file/1701517543-Srnsa.exe