MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac3af6bd3139c444e8e146a6d48c110ae33c09d23c84b7b02f3d7af9eaa49c84. 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: 13


Intelligence 13 IOCs YARA 19 File information Comments

SHA256 hash: ac3af6bd3139c444e8e146a6d48c110ae33c09d23c84b7b02f3d7af9eaa49c84
SHA3-384 hash: 64be1ffdc0930a0ec27aa68b009c8dfb6014ac6a9e95cbac881722470c2a5b2e86486e5501910780233b5f98178e57d5
SHA1 hash: 59bdf38588f8fefefd49aa748dac4d025e9d0ec3
MD5 hash: 0e4e3cdacfbe29fdc3e189e52ee8228e
humanhash: golf-oxygen-robin-sink
File name:0e4e3cdacfbe29fdc3e189e52ee8228e.exe
Download: download sample
Signature CoinMiner
File size:84'472 bytes
First seen:2023-05-06 05:10:09 UTC
Last seen:2023-05-13 22:40:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 1536:Vdbe0uWRLLmR/epMMj1McUa33271MT1AosEeR9m+dIs:Tb/RLLmJMMMjK63E1MT1zr+dp
Threatray 31 similar samples on MalwareBazaar
TLSH T143834C2A67E884C4D46686349BD78E189AB1F8315B1157EF22E0833D5F33BC1DD39BA1
TrID 58.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
13.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
8.4% (.EXE) Win64 Executable (generic) (10523/12/4)
5.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 696a6ee2b2b2c2cc (18 x RedLineStealer, 17 x LummaStealer, 16 x CoinMiner)
Reporter abuse_ch
Tags:CoinMiner exe


Avatar
abuse_ch
CoinMiner C2:
185.161.248.16:26885

Intelligence


File Origin
# of uploads :
2
# of downloads :
325
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
redline
ID:
1
File name:
a.exe
Verdict:
Malicious activity
Analysis date:
2023-05-05 22:44:56 UTC
Tags:
opendir loader evasion rat redline smoke trojan miner raccoon recordbreaker amadey keylogger kelihos ransomware remcos snake stealer vidar arkei PurpleFox backdoor dcrat systembc formbook asyncrat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Sending a custom TCP request
Creating a file in the %AppData% directory
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Creating a process from a recently created file
Running batch commands
Creating a window
Sending an HTTP GET request to an infection source
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed packed shell32.dll
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:
ModernLoader
Verdict:
Malicious
Result
Threat name:
SystemBC
Detection:
malicious
Classification:
bank.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
Antivirus detection for dropped file
Antivirus detection for URL or domain
Creates autostart registry keys with suspicious values (likely registry only malware)
Creates multiple autostart registry keys
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops PE files with benign system names
Encrypted powershell cmdline option found
Found C&C like URL pattern
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious encrypted Powershell command line found
May check the online IP address of the machine
Modifies power options to not sleep / hibernate
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Potential dropper URLs found in powershell memory
Powershell drops PE file
Sigma detected: Schedule system process
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
Uses powercfg.exe to modify the power settings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Powershell download and execute
Yara detected SystemBC
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 860408 Sample: Ty1xB0BINN.exe Startdate: 06/05/2023 Architecture: WINDOWS Score: 100 83 ipinfo.io 2->83 91 Multi AV Scanner detection for domain / URL 2->91 93 Antivirus detection for URL or domain 2->93 95 Multi AV Scanner detection for dropped file 2->95 97 12 other signatures 2->97 10 Ty1xB0BINN.exe 1 2->10         started        14 cmd.exe 1 2->14         started        16 powershell.exe 2->16         started        18 3 other processes 2->18 signatures3 process4 file5 81 C:\Users\user\AppData\...\Ty1xB0BINN.exe.log, CSV 10->81 dropped 131 Malicious encrypted Powershell command line found 10->131 133 Encrypted powershell cmdline option found 10->133 20 powershell.exe 14 22 10->20         started        24 powershell.exe 19 10->24         started        27 powershell.exe 15 10->27         started        29 powershell.exe 15 10->29         started        135 Uses powercfg.exe to modify the power settings 14->135 137 Modifies power options to not sleep / hibernate 14->137 37 5 other processes 14->37 31 dllhost.exe 16->31         started        33 conhost.exe 16->33         started        35 dllhost.exe 18->35         started        39 2 other processes 18->39 signatures6 process7 dnsIp8 85 62.204.41.23, 49703, 49704, 49705 TNNET-ASTNNetOyMainnetworkFI United Kingdom 20->85 87 maper.info 148.251.234.93, 443, 49709 HETZNER-ASDE Germany 20->87 71 C:\Users\user\AppData\Roaming\lsass.exe, PE32 20->71 dropped 73 C:\Users\user\AppData\Roaming\dllhost.exe, PE32 20->73 dropped 75 C:\Users\user\AppData\Roaming\OneDrive.exe, PE32+ 20->75 dropped 41 lsass.exe 20->41         started        45 dllhost.exe 1 20->45         started        48 OneDrive.exe 2 20->48         started        50 conhost.exe 20->50         started        99 Drops PE files with benign system names 24->99 101 Powershell drops PE file 24->101 52 conhost.exe 24->52         started        54 conhost.exe 27->54         started        56 conhost.exe 29->56         started        103 Hides threads from debuggers 31->103 105 Tries to detect sandboxes / dynamic malware analysis system (registry check) 31->105 file9 signatures10 process11 dnsIp12 77 C:\ProgramData\lsass\lsass.exe, PE32 41->77 dropped 107 Antivirus detection for dropped file 41->107 109 Multi AV Scanner detection for dropped file 41->109 111 Detected unpacking (changes PE section rights) 41->111 119 5 other signatures 41->119 58 lsass.exe 41->58         started        61 cmd.exe 41->61         started        63 schtasks.exe 41->63         started        89 185.161.248.16, 4440, 49708 NTLGB United Kingdom 45->89 113 System process connects to network (likely due to code injection or exploit) 45->113 115 Tries to detect sandboxes and other dynamic analysis tools (window names) 45->115 117 Machine Learning detection for dropped file 45->117 121 4 other signatures 45->121 79 C:\Users\user\AppData\...\OneDrive.exe, PE32+ 48->79 dropped file13 signatures14 process15 signatures16 123 Antivirus detection for dropped file 58->123 125 Multi AV Scanner detection for dropped file 58->125 127 Machine Learning detection for dropped file 58->127 129 Hides threads from debuggers 58->129 65 conhost.exe 61->65         started        67 timeout.exe 61->67         started        69 conhost.exe 63->69         started        process17
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2023-05-05 23:07:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
17 of 37 (45.95%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:redline family:systembc family:xmrig botnet:[ pro ] evasion infostealer miner persistence spyware trojan
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Program crash
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Looks up external IP address via web service
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Identifies Wine through registry keys
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Identifies VirtualBox via ACPI registry values (likely anti-VM)
XMRig Miner payload
RedLine
Suspicious use of NtCreateUserProcessOtherParentProcess
SystemBC
xmrig
Malware Config
C2 Extraction:
185.161.248.16:4440
185.161.248.16:26885
Dropper Extraction:
http://62.204.41.23/o.png
http://62.204.41.23/file.png
http://62.204.41.23/r.png
Unpacked files
SH256 hash:
ac3af6bd3139c444e8e146a6d48c110ae33c09d23c84b7b02f3d7af9eaa49c84
MD5 hash:
0e4e3cdacfbe29fdc3e189e52ee8228e
SHA1 hash:
59bdf38588f8fefefd49aa748dac4d025e9d0ec3
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:EnigmaStub
Author:@bartblaze
Description:Identifies Enigma packer stub.
Rule name:INDICATOR_EXE_Packed_ConfuserEx
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File
Author:ditekSHen
Description:Detects executables containing bas64 encoded gzip files
Rule name:MacOS_Cryptominer_Generic_333129b7
Author:Elastic Security
Rule name:MacOS_Cryptominer_Xmrig_241780a1
Author:Elastic Security
Rule name:MALWARE_Win_CoinMiner02
Author:ditekSHen
Description:Detects coinmining malware
Rule name:MALWARE_Win_RedLine
Author:ditekSHen
Description:Detects RedLine infostealer
Rule name:MAL_XMR_Miner_May19_1
Author:Florian Roth (Nextron Systems)
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/
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:rig_win64_xmrig_6_13_1_xmrig
Author:yarGen Rule Generator
Description:rig_win64 - file xmrig.exe
Reference:https://github.com/Neo23x0/yarGen
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_modern_loader_v1_01_1edf
Author:Johannes Bader
Description:matches unpacked ModernLoader samples
Rule name:win_smominru_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.smominru.
Rule name:XMRIG_Monero_Miner
Author:Florian Roth (Nextron Systems)
Description:Detects Monero mining software
Reference:https://github.com/xmrig/xmrig/releases

File information


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

Web download

CoinMiner

Executable exe ac3af6bd3139c444e8e146a6d48c110ae33c09d23c84b7b02f3d7af9eaa49c84

(this sample)

  
Delivery method
Distributed via web download

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