MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a12690c6e82e3139977a17c976b49355878b0bfdeb07a142f313da289b5d5c1c. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a12690c6e82e3139977a17c976b49355878b0bfdeb07a142f313da289b5d5c1c
SHA3-384 hash: 8925dde9bcd6d531d7278a64b3d108b5d786afc0adabb33a87b6f64b6bc145851bf3c19f05894a8171867276487e80c3
SHA1 hash: 3d7187f26683dcc42614b6a74b4901c36e9afb5a
MD5 hash: 249b4980b929e202ad6ccc95bbd455b2
humanhash: carbon-earth-william-mountain
File name:249b4980b929e202ad6ccc95bbd455b2.exe
Download: download sample
Signature CoinMiner
Create hunting rule
File size:2'907'560 bytes
First seen:2023-11-27 15:19:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f6baa5eaa8231d4fe8e922a2e6d240ea (37 x CoinMiner, 22 x DCRat, 15 x LummaStealer)
ssdeep 49152:+G5P3IvIW7AO+94zEq2EeOAiifeoZwZd18xFqEnnQDDncCXeLm8gheFQLeqZkAZz:+G5P3WAq2XOAReoZC182Ennankm8gh8M
TLSH T1F1D5330A7FD3953AD19D2F3044867BBAB6F6B3640B194F8767A0CA03AD40AD17637247
TrID 43.3% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
27.6% (.EXE) Win64 Executable (generic) (10523/12/4)
13.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) OS/2 Executable (generic) (2029/13)
5.2% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon 7e646c6464c6c6e4 (3 x Formbook, 1 x RemcosRAT, 1 x CoinMiner)
Reporter abuse_ch
Tags:CoinMiner exe signed

Code Signing Certificate

Organisation:Microsoft Office
Issuer:Microsoft Office
Algorithm:sha256WithRSAEncryption
Valid from:2023-11-07T00:00:00Z
Valid to:2025-11-07T00:00:00Z
Serial number: 3ea205d33cd7f5e3
Intelligence: 2 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: b28c7a50c08950720a026f9c9fe1ebf522ce9d9d78a0cddeef70b87c81a05452
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
327
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/460722/
Detection(s):
Win.Keylogger.Gencbl-9969771-0
Create hunting rule

Win.Malware.7zip-10013374-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Enabling the 'hidden' option for files in the %temp% directory
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Moving a file to the %temp% subdirectory
Creating a process from a recently created file
Replacing files
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
hook installer keylogger lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/6564b3b7fb43e835e6b72f88/reports/e26be4fe-e431-4d3f-8f86-9d49ee71a2f7/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/a12690c6e82e3139977a17c976b49355878b0bfdeb07a142f313da289b5d5c1c
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:
Unknown
Link:
https://analyze.intezer.com/analyses/a4f2f4ae-1de5-4228-b952-aeb93e7e1116
Result
Threat name:
Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1348666
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
Connects to a pastebin service (likely for C&C)
Contains functionality to detect sleep reduction / modifications
Contains functionality to register a low level keyboard hook
Drops password protected ZIP file
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Potential dropper URLs found in powershell memory
Sample is not signed and drops a device driver
Sigma detected: Schedule system process
Snort IDS alert for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1348666 Sample: PlTpvHSZDf.exe Startdate: 27/11/2023 Architecture: WINDOWS Score: 100 65 pastebin.com 2->65 67 joxi.net 2->67 85 Snort IDS alert for network traffic 2->85 87 Malicious sample detected (through community Yara rule) 2->87 89 Antivirus detection for URL or domain 2->89 93 6 other signatures 2->93 11 PlTpvHSZDf.exe 8 2->11         started        signatures3 91 Connects to a pastebin service (likely for C&C) 65->91 process4 file5 55 C:\Users\user\AppData\Local\Temp\...\7z.exe, PE32+ 11->55 dropped 57 C:\Users\user\AppData\Local\Temp\...\7z.dll, PE32+ 11->57 dropped 97 Contains functionality to register a low level keyboard hook 11->97 15 cmd.exe 2 11->15         started        signatures6 process7 process8 17 Installer.exe 14 15->17         started        21 7z.exe 2 15->21         started        24 7z.exe 3 15->24         started        26 11 other processes 15->26 dnsIp9 63 joxi.net 104.21.73.118, 443, 49712, 49713 CLOUDFLARENETUS United States 17->63 77 Writes to foreign memory regions 17->77 79 Allocates memory in foreign processes 17->79 81 Injects a PE file into a foreign processes 17->81 83 Contains functionality to detect sleep reduction / modifications 17->83 28 RegSvcs.exe 15 31 17->28         started        53 C:\Users\user\AppData\Local\...\Installer.exe, PE32 21->53 dropped file10 signatures11 process12 dnsIp13 69 45.15.156.116, 49717, 49718, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 28->69 71 pastebin.com 172.67.34.170, 443, 49716 CLOUDFLARENETUS United States 28->71 59 C:\ProgramData\Dllhost\WinRing0x64.sys, PE32+ 28->59 dropped 61 C:\ProgramData\Dllhost\winlogson.exe, PE32+ 28->61 dropped 99 Sample is not signed and drops a device driver 28->99 33 cmd.exe 28->33         started        36 cmd.exe 28->36         started        38 cmd.exe 28->38         started        file14 signatures15 process16 signatures17 73 Encrypted powershell cmdline option found 33->73 75 Uses schtasks.exe or at.exe to add and modify task schedules 33->75 40 powershell.exe 33->40         started        43 conhost.exe 33->43         started        45 conhost.exe 36->45         started        47 schtasks.exe 36->47         started        49 conhost.exe 38->49         started        51 schtasks.exe 38->51         started        process18 signatures19 95 Potential dropper URLs found in powershell memory 40->95
Score:
62%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/a12690c6e82e3139977a17c976b49355878b0bfdeb07a142f313da289b5d5c1c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a12690c6e82e3139977a17c976b49355878b0bfdeb07a142f313da289b5d5c1c/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2023-11-27 01:22:06 UTC
File Type:
PE (Exe)
Extracted files:
20
AV detection:
18 of 23 (78.26%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uetjbrxifyyttf32c7exnnetkwdywc755md2cqxtcpncrg25lqoa._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/231127-sqrtdahd5w/
Behaviour
Creates scheduled task(s)
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Downloads MZ/PE file
Unpacked files
SH256 hash:
db7557d7e17bb6d35fdcaa0fb8f2682bc3a4b9c46fc4ceb0ecf38a806ffca75f
MD5 hash:
edd908c919a7cee2ba9e148d36152f7b
SHA1 hash:
dc515e0f19bdb47472cdcc115a53170f574c6c44
Link:
https://www.unpac.me/results/aed64ae4-7e8c-4a8f-bc8c-41c6bd1e8775/
SH256 hash:
a12690c6e82e3139977a17c976b49355878b0bfdeb07a142f313da289b5d5c1c
MD5 hash:
249b4980b929e202ad6ccc95bbd455b2
SHA1 hash:
3d7187f26683dcc42614b6a74b4901c36e9afb5a
Link:
https://www.unpac.me/results/aed64ae4-7e8c-4a8f-bc8c-41c6bd1e8775/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a12690c6e82e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.52
Link:
https://yomi.yoroi.company/submissions/a12690c6e82e3139977a17c976b49355878b0bfdeb07a142f313da289b5d5c1c

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:INDICATOR_SUSPICIOUS_EXE_RawPaste_URL
Create hunting rule
Author:ditekSHen
Description:Detects executables (downlaoders) containing URLs to raw contents of a paste
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

CoinMiner

Executable exe a12690c6e82e3139977a17c976b49355878b0bfdeb07a142f313da289b5d5c1c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2732072/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/460722/

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