MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8e81c784f79eb9358991ca3b1bab8c5d1ddaaa70a849fe7527ed005063d6c092. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8e81c784f79eb9358991ca3b1bab8c5d1ddaaa70a849fe7527ed005063d6c092
SHA3-384 hash: 13815a73d9337b9c63fc9e866d517aa822fc1254d113a25937e3bd047643b5abb9ccaa70b98f4d9d13d38d8d94a73720
SHA1 hash: a5c702e2e35339bbaaf0b0a5b7d034188346a039
MD5 hash: 88b652155e99beca6b3a16c804bf4714
humanhash: oven-mexico-lemon-louisiana
File name:03876399.exe
Download: download sample
Signature CoinMiner
Create hunting rule
File size:6'089'728 bytes
First seen:2023-06-15 00:12:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 98304:TLdZkINN/N91h2eDZQjL7sU8I5DKBWoClkRGJewd8Y3evBQ9LtYVrEx3/o6ETgKS:TLsa9GeDVI5DKBWZlkgJedYs6LtYdEhm
TLSH T1565633FF794DAF09ED0E187AB93D66DE6978E2522E40597C10260083175FF08FA6942F
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 Chainskilabs
Tags:CoinMiner exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
325
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
03876399.exe
Verdict:
Malicious activity
Analysis date:
2023-06-15 00:15:17 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e2388d59-067a-43f1-9bd0-2b05e7854c71

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/398981/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.44629.29674.6525.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Sending an HTTP GET request
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Creating a file
Launching a process
Using the Windows Management Instrumentation requests
Forced system process termination
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed packed
Link:
https://www.filescan.io/uploads/648a578e9069800b43bc11c9/reports/b207d0af-44b4-41ca-883b-69f66e2b38e5/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/8e81c784f79eb9358991ca3b1bab8c5d1ddaaa70a849fe7527ed005063d6c092
Result
Verdict:
UNKNOWN
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/c2134c8d-01af-4398-a6e5-8b158fa0f56c
Result
Threat name:
Xmrig
Create hunting rule
Detection:
malicious
Classification:
evad.troj.spyw.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1254963
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Detected Stratum mining protocol
Encrypted powershell cmdline option found
Found hidden mapped module (file has been removed from disk)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
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
Potential dropper URLs found in powershell memory
Protects its processes via BreakOnTermination flag
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sample is not signed and drops a device driver
Sigma detected: Xmrig
Snort IDS alert for network traffic
Suspicious powershell command line found
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Uses powercfg.exe to modify the power settings
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: 887983 Sample: 03876399.exe Startdate: 15/06/2023 Architecture: WINDOWS Score: 100 61 accept-file.com 2->61 63 xmr.2miners.com 2->63 65 files.catbox.moe 2->65 75 Snort IDS alert for network traffic 2->75 77 Sigma detected: Xmrig 2->77 79 Multi AV Scanner detection for domain / URL 2->79 81 14 other signatures 2->81 8 DriveType.exe 3 2->8         started        11 updater.exe 2->11         started        14 03876399.exe 8 2->14         started        16 19 other processes 2->16 signatures3 process4 file5 99 Multi AV Scanner detection for dropped file 8->99 101 Query firmware table information (likely to detect VMs) 8->101 103 Machine Learning detection for dropped file 8->103 119 2 other signatures 8->119 18 RegAsm.exe 16 3 8->18         started        49 C:\Users\user\AppData\Roaming\...\WR64.sys, PE32+ 11->49 dropped 51 C:\Users\user\AppData\Local\...\uyzhkgya.tmp, PE32+ 11->51 dropped 105 Antivirus detection for dropped file 11->105 107 Protects its processes via BreakOnTermination flag 11->107 109 Writes to foreign memory regions 11->109 121 4 other signatures 11->121 23 dwm.exe 11->23         started        25 conhost.exe 11->25         started        53 C:\Users\user\AppData\...\DriveType.exe, PE32+ 14->53 dropped 55 C:\Users\user\AppData\...\AgileDotNetRT64.dll, PE32+ 14->55 dropped 57 C:\Users\...\DriveType.exe:Zone.Identifier, ASCII 14->57 dropped 59 C:\Users\user\AppData\...\03876399.exe.log, CSV 14->59 dropped 111 Tries to detect sandboxes / dynamic malware analysis system (registry check) 14->111 113 Uses schtasks.exe or at.exe to add and modify task schedules 16->113 115 Uses powercfg.exe to modify the power settings 16->115 117 Modifies power options to not sleep / hibernate 16->117 27 conhost.exe 16->27         started        29 conhost.exe 16->29         started        31 conhost.exe 16->31         started        33 19 other processes 16->33 signatures6 process7 dnsIp8 67 accept-file.com 45.32.146.65, 50142, 50144, 50146 AS-CHOOPAUS United States 18->67 69 files.catbox.moe 107.160.74.131, 443, 50150 AS40676US United States 18->69 71 209.250.241.162, 50141, 50149, 56565 AS-CHOOPAUS European Union 18->71 45 C:\Users\user\AppData\Local\...\icjuzsm.exe, PE32+ 18->45 dropped 83 Query firmware table information (likely to detect VMs) 18->83 85 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 18->85 87 Writes to foreign memory regions 18->87 91 3 other signatures 18->91 35 icjuzsm.exe 18->35         started        39 AddInProcess.exe 18->39         started        41 AddInProcess.exe 18->41         started        43 3 other processes 18->43 73 xmr.2miners.com 162.19.139.184, 2222, 50143, 50152 CENTURYLINK-US-LEGACY-QWESTUS United States 23->73 file9 89 Detected Stratum mining protocol 73->89 signatures10 process11 file12 47 C:\Users\user\AppData\Roaming\...\updater.exe, PE32+ 35->47 dropped 93 Antivirus detection for dropped file 35->93 95 Adds a directory exclusion to Windows Defender 35->95 97 Query firmware table information (likely to detect VMs) 39->97 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8e81c784f79eb9358991ca3b1bab8c5d1ddaaa70a849fe7527ed005063d6c092/
Threat name:
Win64.Malware.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-06-14 19:23:22 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
10
AV detection:
10 of 36 (27.78%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r2a4pbhxt24tlcmrzi5rxk4mluo5vktqvbe745jh5uafay6wycja._file
Verdict:
unknown
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:xmrig evasion miner themida trojan upx
Link:
https://tria.ge/reports/230615-ahq8rseb49/
Behaviour
Creates scheduled task(s)
Detects videocard installed
Suspicious behavior: EnumeratesProcesses
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 System32 directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Checks BIOS information in registry
Executes dropped EXE
Loads dropped DLL
Themida packer
UPX packed file
Downloads MZ/PE file
Identifies VirtualBox via ACPI registry values (likely anti-VM)
XMRig Miner payload
Suspicious use of NtCreateUserProcessOtherParentProcess
xmrig
Unpacked files
SH256 hash:
8e81c784f79eb9358991ca3b1bab8c5d1ddaaa70a849fe7527ed005063d6c092
MD5 hash:
88b652155e99beca6b3a16c804bf4714
SHA1 hash:
a5c702e2e35339bbaaf0b0a5b7d034188346a039
Link:
https://www.unpac.me/results/c31317f9-340c-48e4-a8cf-3e67a478ae8a/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8e81c784f79e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8e81c784f79eb9358991ca3b1bab8c5d1ddaaa70a849fe7527ed005063d6c092

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:INDICATOR_EXE_Packed_AgileDotNet
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with Agile.NET / CliSecure
Rule name:INDICATOR_EXE_Packed_Themida
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with Themida
Rule name:pe_imphash
Create hunting rule
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 8e81c784f79eb9358991ca3b1bab8c5d1ddaaa70a849fe7527ed005063d6c092

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/398981/

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