MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28ec9e6646d64704bd53325f0c48ef5383ff671547838d1833a470c9a04bc246. 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: 8


Intelligence 8 IOCs YARA File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 28ec9e6646d64704bd53325f0c48ef5383ff671547838d1833a470c9a04bc246
SHA3-384 hash: 747ef9aa1fec119eebef5e872c9d968a33e08ab1790ba5b4e0b43460778419a06fc854ec9e18c2aa0522e5d2a99477c8
SHA1 hash: b5f20ba1fa1903dc17f5f23634a0416e991064ef
MD5 hash: ef6fabd3a7db4b14182038b08c3b2b62
humanhash: violet-lithium-hotel-failed
File name:ef6fabd3a7db4b14182038b08c3b2b62
Download: download sample
Signature CoinMiner
Create hunting rule
File size:67'283 bytes
First seen:2021-10-24 08:28:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 27516fd8750f40bdecf52a1420a0296a (12 x CoinMiner)
ssdeep 1536:mqtsXIW70EQoiPQ1vO3BK1xGdjDzQ7nGtTdS:mqsI3EQoiPYGUx+jXSnm
Threatray 98 similar samples on MalwareBazaar
TLSH T12C63021261EAC1F6D17A44FBBC3045D42320BBD09A45862FA3A87FF6CE1248579B518F
Reporter zbetcheckin
Tags:CoinMiner exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
489
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/199635/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Launching a process
Creating a process from a recently created file
Creating a process with a hidden window
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/617522519a5a1e91c5d20471/reports/da5834a2-9ca7-4130-ba8a-dddb937a66d1/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.
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dcbe198e-e2c2-4106-aa44-21ae003c6233
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/875774
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Creates a thread in another existing process (thread injection)
Drops PE files to the user root directory
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
Sigma detected: Powershell Defender Exclusion
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 508207 Sample: a1Pd4stkH4 Startdate: 24/10/2021 Architecture: WINDOWS Score: 92 77 Multi AV Scanner detection for submitted file 2->77 79 Machine Learning detection for sample 2->79 81 Sigma detected: Powershell Defender Exclusion 2->81 10 a1Pd4stkH4.exe 2->10         started        13 services32.exe 2->13         started        process3 signatures4 97 Writes to foreign memory regions 10->97 99 Allocates memory in foreign processes 10->99 101 Creates a thread in another existing process (thread injection) 10->101 15 conhost.exe 4 10->15         started        103 Machine Learning detection for dropped file 13->103 19 conhost.exe 14 6 13->19         started        process5 dnsIp6 57 C:\Users\user\services32.exe, PE32+ 15->57 dropped 67 Drops PE files to the user root directory 15->67 69 Adds a directory exclusion to Windows Defender 15->69 22 cmd.exe 1 15->22         started        24 cmd.exe 1 15->24         started        27 cmd.exe 1 15->27         started        61 github.com 140.82.121.4, 443, 49745 GITHUBUS United States 19->61 63 raw.githubusercontent.com 185.199.108.133, 443, 49746 FASTLYUS Netherlands 19->63 65 sanctam.net 19->65 59 C:\Users\user\AppData\...\sihost32.exe, PE32+ 19->59 dropped 29 sihost32.exe 19->29         started        31 cmd.exe 1 19->31         started        file7 signatures8 process9 signatures10 33 services32.exe 22->33         started        36 conhost.exe 22->36         started        85 Uses schtasks.exe or at.exe to add and modify task schedules 24->85 87 Adds a directory exclusion to Windows Defender 24->87 38 powershell.exe 20 24->38         started        40 conhost.exe 24->40         started        42 powershell.exe 24->42         started        48 2 other processes 27->48 89 Multi AV Scanner detection for dropped file 29->89 91 Writes to foreign memory regions 29->91 93 Allocates memory in foreign processes 29->93 95 Creates a thread in another existing process (thread injection) 29->95 44 conhost.exe 29->44         started        46 powershell.exe 22 31->46         started        50 2 other processes 31->50 process11 signatures12 71 Writes to foreign memory regions 33->71 73 Allocates memory in foreign processes 33->73 75 Creates a thread in another existing process (thread injection) 33->75 52 conhost.exe 2 33->52         started        process13 signatures14 83 Adds a directory exclusion to Windows Defender 52->83 55 cmd.exe 52->55         started        process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/28ec9e6646d64704bd53325f0c48ef5383ff671547838d1833a470c9a04bc246/
Threat name:
Win64.Trojan.Donut
Create hunting rule
Status:
Malicious
First seen:
2021-10-24 08:29:03 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Verdict:
malicious
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979489468d527202ce55a465799013a16fccfcc838d523707a016e064a0e85a1
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d3cfc436366c9d127c7a6233f6531cf6e5863153b41ba4ab6f8fe87f473c8c9d
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e3253959f7dac8718f377871ab2640f8f227563c8963d2c94ff4d4f571e00f13
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CoinMiner
+ 88 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/211024-kc2seseeck/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in System32 directory
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
28ec9e6646d64704bd53325f0c48ef5383ff671547838d1833a470c9a04bc246
MD5 hash:
ef6fabd3a7db4b14182038b08c3b2b62
SHA1 hash:
b5f20ba1fa1903dc17f5f23634a0416e991064ef
Link:
https://www.unpac.me/results/2e635a2f-dd63-48aa-99a8-c6e7537c9183/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/28ec9e6646d6/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.26
Link:
https://yomi.yoroi.company/submissions/28ec9e6646d64704bd53325f0c48ef5383ff671547838d1833a470c9a04bc246

File information

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

Web download

CoinMiner

Executable exe 28ec9e6646d64704bd53325f0c48ef5383ff671547838d1833a470c9a04bc246

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/199635/

Comments


Avatar
zbet commented on 2021-10-24 08:28:04 UTC

url : hxxp://62.182.156.24:7766/sys32.exe