MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8912a860fea905932645a87fb22455057e7fee4aa6f64a3cf0a2ef28e810f6ae. 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: 16


Intelligence 16 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8912a860fea905932645a87fb22455057e7fee4aa6f64a3cf0a2ef28e810f6ae
SHA3-384 hash: 28591ee6c85c0c9ca3b8e3005858e788f9077e5f8c5aec1b089e0affa25f3d1ecdb89043cf562babcdd4f2d088a9b761
SHA1 hash: 5c70471cb9b4278052561db539b2004fa02b2e90
MD5 hash: c8de9399c22a91d81bc9ecbe502556c1
humanhash: montana-king-march-double
File name:SecuriteInfo.com.Win64.RATX-gen.29355.29242
Download: download sample
Signature CoinMiner
Create hunting rule
File size:4'064'256 bytes
First seen:2024-07-08 12:26:46 UTC
Last seen:2024-07-08 13:18:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c649ef76c1d994ec09239b9e02a88158 (2 x NanoCore, 1 x CoinMiner, 1 x AsyncRAT)
ssdeep 49152:JOb699GhOeeYrHhxNg0Dobuh9CY501gFji3o8SIP1qJ5+BXldQJmnt7wBHQ:L9vYrdnfsSIAJYBXlVwBw
Threatray 135 similar samples on MalwareBazaar
TLSH T1F516AE16E3E805D4E46BD634CA6AC733D2B1B89A0631C78B0924D3465F77A928F7B731
TrID 72.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
13.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
2.5% (.EXE) OS/2 Executable (generic) (2029/13)
2.5% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter SecuriteInfoCom
Tags:CoinMiner exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
356
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
8912a860fea905932645a87fb22455057e7fee4aa6f64a3cf0a2ef28e810f6ae.exe
Verdict:
Malicious activity
Analysis date:
2024-07-08 12:29:30 UTC
Tags:
rat asyncrat remote miner loader xmrig
Link:
https://app.any.run/tasks/5925537b-2141-4e37-9581-4e383440052b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win64.RATX-gen.29355.29242.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Win64.RATX-gen.20158.24728.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=668bdb1c3bd942ce8f6df983win10vpnfull_triage
Tags:
Execution Static Stealth Nekark
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a process with a hidden window
Creating a file
Launching a process
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Sending an HTTP GET request
Creating a file in the %temp% directory
Creating a process from a recently created file
Searching for synchronization primitives
DNS request
Connecting to a cryptocurrency mining pool
Creating a service
Launching a service
Loading a system driver
Creating a window
Running batch commands
Enabling autorun for a service
Launching a tool to kill processes
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug fingerprint microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/668bdb1bbb965284a1c597e3/reports/57b8f027-05da-45a2-b626-61d57427866f/overview
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/8912a860fea905932645a87fb22455057e7fee4aa6f64a3cf0a2ef28e810f6ae
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/17743992-60b7-4940-a789-983ab3244eb8
Result
Threat name:
AsyncRAT, Nbminer, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1469103
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for dropped file
DNS related to crypt mining pools
Drops PE files to the user root directory
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Found strings related to Crypto-Mining
Hides threads from debuggers
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
PE file contains section with special chars
Performs DNS TXT record lookups
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sigma detected: Potential Crypto Mining Activity
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: Xmrig
Snort IDS alert for network traffic
Tries to detect debuggers (CloseHandle check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to evade analysis by execution special instruction (VM detection)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected Nbminer
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1469103 Sample: SecuriteInfo.com.Win64.RATX... Startdate: 08/07/2024 Architecture: WINDOWS Score: 100 59 xmr-eu1.nanopool.org 2->59 61 lhr3.nbminer.com 2->61 63 lhr.nbminer.com 2->63 77 Snort IDS alert for network traffic 2->77 79 Sigma detected: Xmrig 2->79 81 Found malware configuration 2->81 87 12 other signatures 2->87 9 SecuriteInfo.com.Win64.RATX-gen.29355.29242.exe 3 2->9         started        13 svchost.exe 2->13         started        signatures3 83 DNS related to crypt mining pools 59->83 85 Performs DNS TXT record lookups 63->85 process4 file5 55 SecuriteInfo.com.W...gen.29355.29242.exe, PE32+ 9->55 dropped 57 SecuriteInfo.com.W...exe:Zone.Identifier, ASCII 9->57 dropped 113 Found strings related to Crypto-Mining 9->113 115 Drops PE files to the user root directory 9->115 117 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->117 119 5 other signatures 9->119 15 RegSvcs.exe 14 5 9->15         started        20 powershell.exe 23 9->20         started        22 conhost.exe 9->22         started        signatures6 process7 dnsIp8 67 185.216.214.217, 49708, 49711, 5858 SERVERDISCOUNTERserverdiscountercomDE Germany 15->67 51 C:\Users\user\AppData\...\WinCPUOptimizer.exe, PE32+ 15->51 dropped 53 C:\Users\user\AppData\...53vSoundAPI.exe, PE32+ 15->53 dropped 69 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 15->69 71 Found strings related to Crypto-Mining 15->71 73 Adds a directory exclusion to Windows Defender 15->73 24 NvSoundAPI.exe 1 15->24         started        27 WinCPUOptimizer.exe 1 15->27         started        30 cmd.exe 15->30         started        32 powershell.exe 7 15->32         started        75 Loading BitLocker PowerShell Module 20->75 34 WmiPrvSE.exe 20->34         started        36 conhost.exe 20->36         started        file9 signatures10 process11 dnsIp12 97 Multi AV Scanner detection for dropped file 24->97 99 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 24->99 101 Tries to evade analysis by execution special instruction (VM detection) 24->101 111 3 other signatures 24->111 38 NvSoundAPI.exe 1 24->38         started        41 conhost.exe 24->41         started        65 163.172.154.142, 14433, 49712 OnlineSASFR United Kingdom 27->65 103 Antivirus detection for dropped file 27->103 105 Query firmware table information (likely to detect VMs) 27->105 107 Machine Learning detection for dropped file 27->107 109 Found strings related to Crypto-Mining 27->109 43 conhost.exe 27->43         started        45 conhost.exe 30->45         started        47 taskkill.exe 30->47         started        49 conhost.exe 32->49         started        signatures13 process14 signatures15 89 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 38->89 91 Tries to detect debuggers (CloseHandle check) 38->91 93 Hides threads from debuggers 38->93 95 Found direct / indirect Syscall (likely to bypass EDR) 38->95
Score:
95%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8912a860fea905932645a87fb22455057e7fee4aa6f64a3cf0a2ef28e810f6ae
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8912a860fea905932645a87fb22455057e7fee4aa6f64a3cf0a2ef28e810f6ae/
Threat name:
Win64.Backdoor.Asyncrat
Create hunting rule
Status:
Malicious
First seen:
2024-07-08 00:12:22 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rejkqyh6veczgjsfvb73ejcvav7h73sku33euphqulxsr2aq62xa._file
Verdict:
malicious
Similar samples:
0f8b8e294577598a477970e3e2ac5b5a1bda0b90aacb61eca90b2b1cb80a119d
CoinMiner
152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685
CoinMiner
48b0afb9f404d55c311994ab4da41e3aa6dacd23a1b8e0de1addfe6f9fea4d11
CoinMiner
5de000c94215943f6ddbb15376ca07f67f9965ab58cbd3335279ae66baf56bb6
CoinMiner
8b3ee970a1b172952a665247aa5ff590d12d8f4b33c0775573044595df6383c9
CoinMiner
+ 125 additional samples on MalwareBazaar
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat family:xmrig botnet:default execution miner rat
Link:
https://tria.ge/reports/240708-pmrgnayeqr/
Behaviour
Checks processor information in registry
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
AsyncRat
XMRig Miner payload
xmrig
Malware Config
C2 Extraction:
185.216.214.217:5858
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b90ba175-fce0-4267-875c-2f011e05b124
Unpacked files
SH256 hash:
8912a860fea905932645a87fb22455057e7fee4aa6f64a3cf0a2ef28e810f6ae
MD5 hash:
c8de9399c22a91d81bc9ecbe502556c1
SHA1 hash:
5c70471cb9b4278052561db539b2004fa02b2e90
Link:
https://www.unpac.me/results/44f8a851-64a5-4bfa-9bd2-e440a7fe0ef7/
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/8912a860fea905932645a87fb22455057e7fee4aa6f64a3cf0a2ef28e810f6ae

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Create hunting rule
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
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:NET
Create hunting rule
Author:malware-lu
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

Web download

CoinMiner

Executable exe 8912a860fea905932645a87fb22455057e7fee4aa6f64a3cf0a2ef28e810f6ae

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2944268/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::CreateWellKnownSid
ADVAPI32.dll::RevertToSelf
ADVAPI32.dll::GetSecurityDescriptorLength
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::GetWindowsAccountDomainSid
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
ADVAPI32.dll::SetThreadToken
KERNEL32.dll::VirtualAllocExNuma
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::DeleteVolumeMountPointW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetVolumeInformationW
KERNEL32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::FreeConsole
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleWindow
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileExW
KERNEL32.dll::ReplaceFileW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_BCRYPT_APICan Encrypt Filesbcrypt.dll::BCryptDecrypt
bcrypt.dll::BCryptDestroyKey
bcrypt.dll::BCryptEncrypt
bcrypt.dll::BCryptGenRandom
bcrypt.dll::BCryptImportKey
bcrypt.dll::BCryptOpenAlgorithmProvider
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyExW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryInfoKeyW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
ADVAPI32.dll::RegSetValueExA

Comments