MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8e28689c6f52134021a94b8b543c955156168028fb6445ca608592df042077ea. 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 3 File information Comments 1

SHA256 hash: 8e28689c6f52134021a94b8b543c955156168028fb6445ca608592df042077ea
SHA3-384 hash: d1392ccd7e29366798bb6224960d3cb653f699cf446e661de8ddf138fbf17f3c67bee16b13d649cd91092d64501be25c
SHA1 hash: 1d0cc909afc9d15cd23d108841a16a5a95601d27
MD5 hash: 66fb954571c27484485b9d47c79362c3
humanhash: eighteen-two-wisconsin-bakerloo
File name:66fb954571c27484485b9d47c79362c3
Download: download sample
Signature CoinMiner
File size:41'984 bytes
First seen:2021-09-11 00:55:44 UTC
Last seen:2021-09-11 02:18:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 768:CT5BvOJ97ZT+xJfCvvv2v1j8Ul1Wp7Ev59KuG/1nFxzoOJ1:IOdq2vvIZJWREv+uG/V/E4
Threatray 130 similar samples on MalwareBazaar
TLSH T17413F108B997556AF0BD47BA06129E0A7124FDC244A577CCFA94424F4C2BF748ED3A3B
Reporter zbetcheckin
Tags:CoinMiner exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
66fb954571c27484485b9d47c79362c3
Verdict:
No threats detected
Analysis date:
2021-09-11 00:56:26 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
DNS request
Sending a UDP request
Running batch commands
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a process from a recently created file
Creating a file
Creating a file in the %AppData% subdirectories
Using the Windows Management Instrumentation requests
Connection attempt
Sending a custom TCP request
Connecting to a non-recommended domain
Creating a service
Launching a service
Loading a system driver
Unauthorized injection to a recently created process
Enabling autorun for a service
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
BitCoin Miner Xmrig
Detection:
malicious
Classification:
evad.mine
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to inject code into remote processes
Detected Stratum mining protocol
Found strings related to Crypto-Mining
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
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 dropped file
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Sample is not signed and drops a device driver
Sigma detected: Xmrig
System process connects to network (likely due to code injection or exploit)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected BitCoin Miner
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 481483 Sample: GMcvStCBHM Startdate: 11/09/2021 Architecture: WINDOWS Score: 100 72 Sigma detected: Xmrig 2->72 74 Malicious sample detected (through community Yara rule) 2->74 76 Multi AV Scanner detection for submitted file 2->76 78 6 other signatures 2->78 8 services64.exe 6 2->8         started        13 GMcvStCBHM.exe 6 2->13         started        15 svchost.exe 2->15         started        17 10 other processes 2->17 process3 dnsIp4 62 sanctam.net 8->62 64 bitbucket.org 8->64 50 C:\Users\user\AppData\...\sihost64.exe, PE32+ 8->50 dropped 100 Multi AV Scanner detection for dropped file 8->100 102 Machine Learning detection for dropped file 8->102 104 Injects code into the Windows Explorer (explorer.exe) 8->104 108 6 other signatures 8->108 19 explorer.exe 8->19         started        22 sihost64.exe 3 8->22         started        24 cmd.exe 1 8->24         started        52 C:\Users\user\AppData\...\services64.exe, PE32+ 13->52 dropped 54 C:\Users\...\services64.exe:Zone.Identifier, ASCII 13->54 dropped 56 C:\Users\user\AppData\...behaviorgraphMcvStCBHM.exe.log, ASCII 13->56 dropped 26 services64.exe 14 5 13->26         started        30 cmd.exe 1 13->30         started        106 Changes security center settings (notifications, updates, antivirus, firewall) 15->106 66 127.0.0.1 unknown unknown 17->66 file5 signatures6 process7 dnsIp8 80 System process connects to network (likely due to code injection or exploit) 19->80 82 Query firmware table information (likely to detect VMs) 19->82 84 Machine Learning detection for dropped file 22->84 32 conhost.exe 24->32         started        34 schtasks.exe 1 24->34         started        68 sanctam.net 185.65.135.234, 49737, 49738, 58899 ESAB-ASSE Sweden 26->68 70 bitbucket.org 104.192.141.1, 443, 49739, 49740 AMAZON-02US United States 26->70 58 C:\Users\user\AppData\Roaming\...\WR64.sys, PE32+ 26->58 dropped 86 Injects code into the Windows Explorer (explorer.exe) 26->86 88 Writes to foreign memory regions 26->88 90 Allocates memory in foreign processes 26->90 94 2 other signatures 26->94 36 explorer.exe 26->36         started        40 cmd.exe 1 26->40         started        92 Uses schtasks.exe or at.exe to add and modify task schedules 30->92 42 conhost.exe 30->42         started        44 schtasks.exe 1 30->44         started        file9 signatures10 process11 dnsIp12 60 185.215.113.84, 49741, 49742, 8888 WHOLESALECONNECTIONSNL Portugal 36->60 96 Query firmware table information (likely to detect VMs) 36->96 46 conhost.exe 40->46         started        48 schtasks.exe 1 40->48         started        signatures13 98 Detected Stratum mining protocol 60->98 process14
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-09-10 22:30:51 UTC
AV detection:
12 of 28 (42.86%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xmrig miner
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
Executes dropped EXE
XMRig Miner Payload
xmrig
Unpacked files
SH256 hash:
8e28689c6f52134021a94b8b543c955156168028fb6445ca608592df042077ea
MD5 hash:
66fb954571c27484485b9d47c79362c3
SHA1 hash:
1d0cc909afc9d15cd23d108841a16a5a95601d27
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:MALWARE_Win_CoinMiner02
Author:ditekSHen
Description:Detects coinmining malware
Rule name:MAL_XMR_Miner_May19_1
Author:Florian Roth
Description:Detects Monero Crypto Coin Miner
Reference:https://www.guardicore.com/2019/05/nansh0u-campaign-hackers-arsenal-grows-stronger/
Rule name:MAL_XMR_Miner_May19_1_RID2E1B
Author:Florian Roth
Description:Detects Monero Crypto Coin Miner
Reference:https://www.guardicore.com/2019/05/nansh0u-campaign-hackers-arsenal-grows-stronger/

File information


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

Web download

CoinMiner

Executable exe 8e28689c6f52134021a94b8b543c955156168028fb6445ca608592df042077ea

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-09-11 00:55:45 UTC

url : hxxp://185.215.113.84/miner.exe