MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff6c1baaf3b5fb859833ca796001c761b088765088ea1fb73e65f0c50d0d010c. 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: 10


Intelligence 10 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ff6c1baaf3b5fb859833ca796001c761b088765088ea1fb73e65f0c50d0d010c
SHA3-384 hash: 124692d47cf8ad0a23dfd6779541d5f130bef616151b0aa703a69b0e0ecfa13aee190d78395a0e1e6575c680bb1fea1e
SHA1 hash: 34b06f81a055962f92dfb3ba482bbbdbb1acc12b
MD5 hash: efc616eda27fee0a6c96373608fbfb23
humanhash: bravo-three-steak-india
File name:efc616eda27fee0a6c96373608fbfb23.exe
Download: download sample
Signature CoinMiner
Create hunting rule
File size:1'630'896 bytes
First seen:2023-03-13 10:19:46 UTC
Last seen:2023-03-13 11:28:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fb6613269fdfb1ab7cfb5b50260b639 (1 x CoinMiner)
ssdeep 24576:04kHoH25k87ONUk6QUg8sRK7ZwiIjcB0qUZJ/+EIj9lggLhm34Oacb+WAwn:0tk8hk6K8iXiVHM/+Eal3Lhm34OaJWAO
Threatray 2'373 similar samples on MalwareBazaar
TLSH T10075338C88C9A906E74AECF1B6FC71A4931D0326D454FBB16CC07786DAEC774B9B6421
Reporter abuse_ch
Tags:CoinMiner exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
241
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
efc616eda27fee0a6c96373608fbfb23.exe
Verdict:
Malicious activity
Analysis date:
2023-03-13 10:25:39 UTC
Tags:
miner
Link:
https://app.any.run/tasks/ae6a76ed-d561-489c-846c-8dff35469657

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/373976/
Detection(s):
SecuriteInfo.com.Win64.Trojan-gen.28709.2533.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Creating a window
Searching for analyzing tools
Сreating synchronization primitives
Launching a process
Creating a file
Enabling the 'hidden' option for recently created files
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/640ef8dc56d2bc8d80b72088/reports/c42d23bd-45d9-4d43-9cfa-fbb1e12fb7a6/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/ff6c1baaf3b5fb859833ca796001c761b088765088ea1fb73e65f0c50d0d010c
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/19e2cb58-494e-4b7e-bc8e-c2f4a4175264
Result
Threat name:
Xmrig
Create hunting rule
Detection:
malicious
Classification:
evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1192415
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
DNS related to crypt mining pools
Found strings related to Crypto-Mining
Injects a PE file into a foreign processes
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 submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sets debug register (to hijack the execution of another thread)
Sigma detected: Xmrig
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 825313 Sample: YzCKg0nbmc.exe Startdate: 13/03/2023 Architecture: WINDOWS Score: 100 46 Sigma detected: Xmrig 2->46 48 Multi AV Scanner detection for domain / URL 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 7 other signatures 2->52 7 YzCKg0nbmc.exe 14 8 2->7         started        12 CARWD.exe 2->12         started        14 svchost.exe 2->14         started        16 8 other processes 2->16 process3 dnsIp4 42 179.43.140.229, 49710, 80 PLI-ASCH Panama 7->42 44 192.168.2.1 unknown unknown 7->44 36 C:\ProgramData\Package\CARWD.exe, PE32+ 7->36 dropped 58 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->58 60 Sets debug register (to hijack the execution of another thread) 7->60 62 Writes to foreign memory regions 7->62 72 4 other signatures 7->72 18 vbc.exe 7->18         started        22 cmd.exe 1 7->22         started        24 powershell.exe 18 7->24         started        64 Tries to detect sandboxes and other dynamic analysis tools (window names) 12->64 66 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 12->66 68 Changes security center settings (notifications, updates, antivirus, firewall) 14->68 26 MpCmdRun.exe 1 14->26         started        70 Query firmware table information (likely to detect VMs) 16->70 file5 signatures6 process7 dnsIp8 38 51.15.58.224, 14433, 49711 OnlineSASFR France 18->38 40 xmr-eu1.nanopool.org 18->40 54 Query firmware table information (likely to detect VMs) 18->54 56 Uses schtasks.exe or at.exe to add and modify task schedules 22->56 28 conhost.exe 22->28         started        30 schtasks.exe 1 22->30         started        32 conhost.exe 24->32         started        34 conhost.exe 26->34         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ff6c1baaf3b5fb859833ca796001c761b088765088ea1fb73e65f0c50d0d010c/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=75wbxkxtwx5ylgbtzj4waaohmgyiq5sqrdvb7nz6mxymkdinaega._file
Verdict:
malicious
Similar samples:
02933155b121bab232d7f86a051217c4c1add49937ddbb5a0d09501b45f221aa
CoinMiner
532d8d05263ecb3453da330b6213c9d5cb1f1eb5db77b40664c7ec722b9f9475
CoinMiner
a600ce7f58bc3296788ca8a8b30735c7bf051e4e9a3d46584fe83bb7cfc5d81a
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ac9d563c6e52413c83b931ccbc1715b743965a983bc4e89f260519e224000bfa
CoinMiner
b5ed948dd84aa5fdecf011400ced88f20a8c376795672445c41275a974f26318
CoinMiner
c010fd9ba72ee15ab8aad81831527d317d21a38c87e507a50cb0285a47bbb787
CoinMiner
c09036b1e48b5fc1f692cdc09fb5e9086c4367a5021a1d16172e4d49a3f765e2
CoinMiner
d687c4a51b2b34ee6c4678c2b950640c7048dfddb914f332b6b3bc96d323f16a
CoinMiner
f082cd415175b1648459065f5ad5e80104fc296255da51d79e4c99c4a39bbd96
CoinMiner
+ 2'363 additional samples on MalwareBazaar
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:xmrig miner
Link:
https://tria.ge/reports/230313-mc4ywsbh7s/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Suspicious use of SetThreadContext
.NET Reactor proctector
Checks computer location settings
Uses the VBS compiler for execution
XMRig Miner payload
xmrig
Unpacked files
SH256 hash:
ff6c1baaf3b5fb859833ca796001c761b088765088ea1fb73e65f0c50d0d010c
MD5 hash:
efc616eda27fee0a6c96373608fbfb23
SHA1 hash:
34b06f81a055962f92dfb3ba482bbbdbb1acc12b
Link:
https://www.unpac.me/results/acad89d1-d87a-4017-ad43-04911f2aa10d/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ff6c1baaf3b5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
CoinMiner
Score:
0.60
Link:
https://yomi.yoroi.company/submissions/ff6c1baaf3b5fb859833ca796001c761b088765088ea1fb73e65f0c50d0d010c

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
Create hunting rule
Rule name:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:INDICATOR_EXE_Packed_DotNetReactor
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with unregistered version of .NET Reactor
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:win_xfilesstealer_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.xfilesstealer.

File information

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

Web download

CoinMiner

Executable exe ff6c1baaf3b5fb859833ca796001c761b088765088ea1fb73e65f0c50d0d010c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2550406/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/373976/

Comments