MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8e604652a602e200a53836f87cdf53648d18f1f853cf0852f33a74992b7fc82. 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: 9


Intelligence 9 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a8e604652a602e200a53836f87cdf53648d18f1f853cf0852f33a74992b7fc82
SHA3-384 hash: f2870047956eb6a8eabca1799d1df8a34e094767e6ae62d7400ff28d4a738d46fd3c302d5d48f48e77b4f727782e2658
SHA1 hash: 2eec52537b4c5e32f565e19df223cd8a52fea554
MD5 hash: eaaa300d023597a9aca59225b4270c99
humanhash: johnny-eighteen-sierra-oven
File name:eaaa300d023597a9aca59225b4270c99.exe
Download: download sample
Signature CoinMiner
Create hunting rule
File size:10'465'696 bytes
First seen:2023-04-11 09:15:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 35a81d16af9f2ba6d515f11152d0364b (58 x CoinMiner, 2 x CobaltStrike)
ssdeep 196608:if2nVA2e10n9TAhrJVywK/89KwGxvhob93pRLoyvZQPqMk1qrxI:+WJe1QTAhroUApoZLHQCMkOi
Threatray 1'099 similar samples on MalwareBazaar
TLSH T1EAB6F1DD77066E6CF2B86938B2C2D3311489FF311E138958EA8695E3D574C9B9F09A0C
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter abuse_ch
Tags:CoinMiner exe signed

Code Signing Certificate

Organisation:OnlineSoftware
Issuer:Adler SignKey CA
Algorithm:sha256WithRSAEncryption
Valid from:2023-04-09T00:00:00Z
Valid to:2028-04-09T00:00:00Z
Serial number: 30a98f5da11041a1
Intelligence: 3 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 4e57f5aada93698bc68877798ea1eddb485ec7fc70e76153b6254610a290081e
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
295
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
eaaa300d023597a9aca59225b4270c99.exe
Verdict:
Malicious activity
Analysis date:
2023-04-11 09:17:57 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c485c329-44a1-4b81-b762-b03491edf83b

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/381388/
Detection(s):
SecuriteInfo.com.Variant.Barys.320900.6828.20732.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Running batch commands
Creating a file in the %temp% directory
Searching for synchronization primitives
Creating a file in the Program Files subdirectories
Creating a process from a recently created file
Setting browser functions hooks
Searching for the window
Launching a process
Sending a custom TCP request
Unauthorized injection to a recently created process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys overlay packed packed
Link:
https://www.filescan.io/uploads/643525540dbc8763b8a109ed/reports/8512c3f4-464a-49bb-971f-6860edd50b26/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/a8e604652a602e200a53836f87cdf53648d18f1f853cf0852f33a74992b7fc82
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/c696a54a-6943-4c24-bcb1-87a507696ee3
Result
Threat name:
Xmrig
Create hunting rule
Detection:
malicious
Classification:
spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1211586
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for dropped file
Contains functionality to compare user and computer (likely to detect sandboxes)
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Creates files in the system32 config directory
Found hidden mapped module (file has been removed from disk)
Hides threads from debuggers
Hooks files or directories query functions (used to hide files and directories)
Hooks processes query functions (used to hide processes)
Hooks registry keys query functions (used to hide registry keys)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies power options to not sleep / hibernate
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Sample is not signed and drops a device driver
Self deletion via cmd or bat file
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Uses powercfg.exe to modify the power settings
Writes to foreign memory regions
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 844508 Sample: kcVA8KM1hY.exe Startdate: 11/04/2023 Architecture: WINDOWS Score: 100 82 Malicious sample detected (through community Yara rule) 2->82 84 Antivirus detection for dropped file 2->84 86 Multi AV Scanner detection for dropped file 2->86 88 10 other signatures 2->88 9 kcVA8KM1hY.exe 3 2->9         started        13 cmd.exe 1 2->13         started        15 cmd.exe 1 2->15         started        17 3 other processes 2->17 process3 file4 66 C:\Users\user\AppData\...\xaivenjahigs.tmp, PE32+ 9->66 dropped 68 C:\Program Files\...behaviorgraphameBar.exe, PE32+ 9->68 dropped 102 Query firmware table information (likely to detect VMs) 9->102 104 Self deletion via cmd or bat file 9->104 106 Writes to foreign memory regions 9->106 112 6 other signatures 9->112 19 dialer.exe 1 9->19         started        108 Uses powercfg.exe to modify the power settings 13->108 110 Modifies power options to not sleep / hibernate 13->110 23 conhost.exe 13->23         started        35 5 other processes 13->35 25 conhost.exe 15->25         started        37 4 other processes 15->37 27 conhost.exe 17->27         started        29 conhost.exe 17->29         started        31 conhost.exe 17->31         started        33 choice.exe 1 17->33         started        signatures5 process6 dnsIp7 70 192.168.2.1 unknown unknown 19->70 90 Injects code into the Windows Explorer (explorer.exe) 19->90 92 Contains functionality to inject code into remote processes 19->92 94 Writes to foreign memory regions 19->94 96 4 other signatures 19->96 39 svchost.exe 19->39 injected 41 lsass.exe 19->41 injected 44 dwm.exe 19->44 injected 46 22 other processes 19->46 signatures8 process9 signatures10 48 GameBar.exe 5 39->48         started        98 Writes to foreign memory regions 41->98 100 Adds a directory exclusion to Windows Defender 41->100 52 powershell.exe 22 41->52         started        54 MpCmdRun.exe 41->54         started        56 svchost.exe 41->56 injected process11 file12 62 C:\Windows\Temp\xaivenjahigs.tmp, PE32+ 48->62 dropped 64 C:\Program Filesbehaviorgraphoogle\Libs\WR64.sys, PE32+ 48->64 dropped 72 Query firmware table information (likely to detect VMs) 48->72 74 Writes to foreign memory regions 48->74 76 Modifies the context of a thread in another process (thread injection) 48->76 80 5 other signatures 48->80 78 Creates files in the system32 config directory 52->78 58 conhost.exe 52->58         started        60 conhost.exe 54->60         started        signatures13 process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a8e604652a602e200a53836f87cdf53648d18f1f853cf0852f33a74992b7fc82/
Threat name:
Win64.Trojan.Barys
Create hunting rule
Status:
Malicious
First seen:
2023-04-11 01:34:51 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vdtaizjkmaxcacstqnxyptpvgzenddy7qu6pbbjpgotutevx7sba._file
Verdict:
malicious
Similar samples:
50c2bec0fbc955824b6b2648d30fc42a5fc64994411fdb6026f560d0aa8e178e
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6320b40b4809bd711e6a50eebacce6ac51d3cbb92f84d467116f79489c668a04
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8af00bf775390ea0d90e5d0db1d6ea1149d8a2da3e024948d3a4dce7b11f3237
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b495d68b0733d071e67e0c30665382decd71885af9bad1c6510ef168e5732cd3
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cde83c58766ae18bd516cfa78098c411fd1d0ebff083896f35fc33b10afa0e50
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dcdf6845df1e1aed6f335dd6f2a3ff7351984522235937e5c4a1c746c7fe4371
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ef1cb9555d780addb510d052b41f070dbdeb931c3f916bf345a419a4d437a167
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efaaa8ecbfb81f33bbfb791209f0e386756b6a5242428d178efda0ad93ac64bf
CoinMiner
+ 1'089 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
evasion persistence themida trojan
Link:
https://tria.ge/reports/230411-k8g3wsdb9z/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Drops file in Program Files directory
Drops file in Windows directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Checks BIOS information in registry
Deletes itself
Executes dropped EXE
Loads dropped DLL
Themida packer
Sets service image path in registry
Stops running service(s)
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Suspicious use of NtCreateUserProcessOtherParentProcess
Unpacked files
SH256 hash:
a8e604652a602e200a53836f87cdf53648d18f1f853cf0852f33a74992b7fc82
MD5 hash:
eaaa300d023597a9aca59225b4270c99
SHA1 hash:
2eec52537b4c5e32f565e19df223cd8a52fea554
Link:
https://www.unpac.me/results/650f6cad-c99d-40ba-a7e4-ed1c424498d6/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a8e604652a60/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/a8e604652a602e200a53836f87cdf53648d18f1f853cf0852f33a74992b7fc82

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:HeavensGate
Create hunting rule
Author:kevoreilly
Description:Heaven's Gate: Switch from 32-bit to 64-mode
Rule name:INDICATOR_EXE_Packed_Themida
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with Themida
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

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

Web download

CoinMiner

Executable exe a8e604652a602e200a53836f87cdf53648d18f1f853cf0852f33a74992b7fc82

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2605504/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/381388/

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