MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 00a2f1e90349623f34c3afdd76990b67f4ffe8966af33a46ff3ba7783a055f79. 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


Arechclient2


Vendor detections: 14


Intelligence 14 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 00a2f1e90349623f34c3afdd76990b67f4ffe8966af33a46ff3ba7783a055f79
SHA3-384 hash: 7e754a66eeb4415b9e4537fd34c65c00ef39b7c445ebff212d2210a1f77fbafc2c10b4d5823646e57a10f9f4e7c016a4
SHA1 hash: 27395bace26c6b670213cb7fde33f1d77bf2c5f3
MD5 hash: 4799a348af7a5bc95f49198da20edb01
humanhash: pasta-apart-mockingbird-alanine
File name:4799a348af7a5bc95f49198da20edb01.exe
Download: download sample
Signature Arechclient2
Create hunting rule
File size:485'377 bytes
First seen:2024-04-23 03:41:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c9619f19f41ef1b7d232f47cfbcc330b (11 x Stealc, 4 x Arechclient2)
ssdeep 6144:2wHsNVyxZwIOrmlDNMf5OVuB0duChNhRWCSig80ppDv1DxWXKxtl+hHE1cFo:2wH6VypO5OVuOduCXh45L1dWXKxXQo
Threatray 235 similar samples on MalwareBazaar
TLSH T104A4D00373F0EC60F5634B325F29B694629FFC619E115B2B2E48660F66703E0B6A275D
TrID 67.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.2% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 06040b0121211100 (2 x Arechclient2)
Reporter abuse_ch
Tags:Arechclient2 exe


Avatar
abuse_ch
Arechclient2 C2:
http://185.172.128.76/3cd2b41cbde8fc9c.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
477
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
00a2f1e90349623f34c3afdd76990b67f4ffe8966af33a46ff3ba7783a055f79.exe
Verdict:
Malicious activity
Analysis date:
2024-04-23 05:23:36 UTC
Tags:
gcleaner loader stealer stealc hijackloader arechclient2 backdoor
Link:
https://app.any.run/tasks/65e672e7-b19d-4c5d-86a7-772a565bf43a

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

Behaviour
Sending an HTTP GET request to an infection source
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
DNS request
Connection attempt
Sending an HTTP GET request
Connecting to a non-recommended domain
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a window
Launching the default Windows debugger (dwwin.exe)
Creating a file
Creating a file in the %AppData% subdirectories
Launching cmd.exe command interpreter
Searching for the window
Transferring files using the Background Intelligent Transfer Service (BITS)
Enabling the 'hidden' option for recently created files
Connection attempt to an infection source
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint overlay packed
Link:
https://www.filescan.io/uploads/66272e0c54bafb7d21d9a1b1/reports/2f4eba60-b106-4649-b5ef-7b45186e2b36/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/00a2f1e90349623f34c3afdd76990b67f4ffe8966af33a46ff3ba7783a055f79
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:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/342c2e2d-0449-46a2-ad70-02bc96ec6448
Result
Threat name:
Mars Stealer, PureLog Stealer, RedLine,
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1430084
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Checks if the current machine is a virtual machine (disk enumeration)
Connects to many ports of the same IP (likely port scanning)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found direct / indirect Syscall (likely to bypass EDR)
Found evasive API chain (may stop execution after checking locale)
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Snort IDS alert for network traffic
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected Mars stealer
Yara detected PureLog Stealer
Yara detected RedLine Stealer
Yara detected Stealc
Yara detected UAC Bypass using CMSTP
Yara detected Vidar stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1430084 Sample: wipOhNpHIG.exe Startdate: 23/04/2024 Architecture: WINDOWS Score: 100 86 download.iolo.net 2->86 88 westus2-2.in.applicationinsights.azure.com 2->88 90 7 other IPs or domains 2->90 114 Snort IDS alert for network traffic 2->114 116 Multi AV Scanner detection for domain / URL 2->116 118 Found malware configuration 2->118 120 16 other signatures 2->120 11 wipOhNpHIG.exe 1 4 2->11         started        16 UniversalInstaller.exe 2->16         started        signatures3 process4 dnsIp5 98 185.172.128.90, 49699, 80 NADYMSS-ASRU Russian Federation 11->98 100 185.172.128.228, 49700, 80 NADYMSS-ASRU Russian Federation 11->100 102 2 other IPs or domains 11->102 72 C:\Users\user\AppData\Local\Temp\u4ko.1.exe, PE32 11->72 dropped 74 C:\Users\user\AppData\Local\Temp\u4ko.0.exe, PE32 11->74 dropped 76 C:\Users\user\AppData\Local\...\Qg_Appv5.exe, PE32 11->76 dropped 146 Detected unpacking (changes PE section rights) 11->146 148 Detected unpacking (overwrites its own PE header) 11->148 18 Qg_Appv5.exe 7 11->18         started        22 u4ko.0.exe 77 11->22         started        25 u4ko.1.exe 18 8 11->25         started        27 WerFault.exe 16 11->27         started        150 Maps a DLL or memory area into another process 16->150 152 Found direct / indirect Syscall (likely to bypass EDR) 16->152 29 cmd.exe 16->29         started        file6 signatures7 process8 dnsIp9 56 C:\Users\user\AppData\Local\...\relay.dll, PE32 18->56 dropped 58 C:\Users\user\...\UniversalInstaller.exe, PE32 18->58 dropped 60 C:\Users\user\AppData\...\UIxMarketPlugin.dll, PE32 18->60 dropped 122 Found direct / indirect Syscall (likely to bypass EDR) 18->122 31 UniversalInstaller.exe 6 18->31         started        94 185.172.128.76, 49703, 80 NADYMSS-ASRU Russian Federation 22->94 62 C:\ProgramData\nss3.dll, PE32 22->62 dropped 64 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 22->64 dropped 66 C:\Users\user\AppData\...\softokn3[1].dll, PE32 22->66 dropped 70 9 other files (none is malicious) 22->70 dropped 124 Multi AV Scanner detection for dropped file 22->124 126 Detected unpacking (changes PE section rights) 22->126 128 Detected unpacking (overwrites its own PE header) 22->128 136 8 other signatures 22->136 35 WerFault.exe 22->35         started        96 svc.iolo.com 20.157.87.45 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 25->96 130 Checks if the current machine is a virtual machine (disk enumeration) 25->130 37 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 25->37         started        68 C:\Users\user\AppData\Local\...\oitsepkopvw, PE32 29->68 dropped 132 Writes to foreign memory regions 29->132 134 Maps a DLL or memory area into another process 29->134 39 MSBuild.exe 29->39         started        41 conhost.exe 29->41         started        file10 signatures11 process12 file13 80 C:\Users\user\AppData\Roaming\...\relay.dll, PE32 31->80 dropped 82 C:\Users\user\...\UniversalInstaller.exe, PE32 31->82 dropped 84 C:\Users\user\AppData\...\UIxMarketPlugin.dll, PE32 31->84 dropped 104 Found direct / indirect Syscall (likely to bypass EDR) 31->104 43 UniversalInstaller.exe 1 31->43         started        106 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 37->106 108 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 37->108 110 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 37->110 112 Tries to harvest and steal browser information (history, passwords, etc) 39->112 signatures14 process15 signatures16 142 Maps a DLL or memory area into another process 43->142 144 Found direct / indirect Syscall (likely to bypass EDR) 43->144 46 cmd.exe 4 43->46         started        process17 file18 78 C:\Users\user\AppData\Local\Temp\gpkstbr, PE32 46->78 dropped 154 Writes to foreign memory regions 46->154 156 Found hidden mapped module (file has been removed from disk) 46->156 158 Maps a DLL or memory area into another process 46->158 50 MSBuild.exe 46->50         started        54 conhost.exe 46->54         started        signatures19 process20 dnsIp21 92 91.215.85.66 PINDC-ASRU Russian Federation 50->92 138 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 50->138 140 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 50->140 signatures22
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/00a2f1e90349623f34c3afdd76990b67f4ffe8966af33a46ff3ba7783a055f79
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/00a2f1e90349623f34c3afdd76990b67f4ffe8966af33a46ff3ba7783a055f79/
Threat name:
Win32.Trojan.Operaloader
Create hunting rule
Status:
Malicious
First seen:
2024-04-23 03:33:43 UTC
File Type:
PE (Exe)
Extracted files:
77
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=acrpd2idjfrd6ngdv7oxngilm72p72ewnlzturx7hotxqoqfl54q._file
Verdict:
malicious
Similar samples:
33517bc5bc45adf5bbb741822b1fcce08f83b32a5ebd89dcd1038f4d23fcfd74
Arechclient2
4ec640dd3a34d0bbdf4316ab8bd73294b18f0ebe733ab6fc842882495655d534
Arechclient2
53167ba94a450f8bcda36276b9d53687b52ec8852dff3397ba64f6efbfd4ec0e
Arechclient2
95442c887f47bbb4b350fca87c45dc6ef95355ce86a63d7c2f50db2d92ae512e
Arechclient2
ab9a7b051c33a323d9cb5aefdc28465a3c90ddd69f707898fa3e669df9bbeb2f
Arechclient2
ee29e3aad14667b58642d965a332ffe5586ee1a2d8a09b2da7a54520b46d598e
Arechclient2
+ 225 additional samples on MalwareBazaar
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:sectoprat family:stealc family:zgrat rat stealer trojan
Link:
https://tria.ge/reports/240423-d9b5pscf2t/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Downloads MZ/PE file
Detect ZGRat V1
SectopRAT
SectopRAT payload
Stealc
ZGRat
Unpacked files
SH256 hash:
024375d3b85d8e205499bb5c1d5eb6c01d40ddb5dbdd36872c2ffef49a00e4b6
MD5 hash:
39f0b2bc2ef3b029217043cb4d0028c4
SHA1 hash:
2eb04d8f4d156c96c280f0f2e498162a7660ea54
Link:
https://www.unpac.me/results/540e81dc-e567-4ffa-830d-cd7a8c57ee57/
SH256 hash:
00a2f1e90349623f34c3afdd76990b67f4ffe8966af33a46ff3ba7783a055f79
MD5 hash:
4799a348af7a5bc95f49198da20edb01
SHA1 hash:
27395bace26c6b670213cb7fde33f1d77bf2c5f3
Link:
https://www.unpac.me/results/540e81dc-e567-4ffa-830d-cd7a8c57ee57/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/00a2f1e90349/report/overview.html
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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:EXE_Stealer_StealC_Feb2024
Create hunting rule
Author:Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:Windows_Trojan_Generic_2993e5a5
Create hunting rule
Author:Elastic Security

File information

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

Web download

Arechclient2

Executable exe 00a2f1e90349623f34c3afdd76990b67f4ffe8966af33a46ff3ba7783a055f79

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2802625/
  
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 (HIGH_ENTROPY_VA)high
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AddConsoleAliasW
KERNEL32.dll::AddConsoleAliasA
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputW
KERNEL32.dll::SetStdHandle
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkA
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryW
KERNEL32.dll::RemoveDirectoryW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpConnect

Comments