MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eda9de6005d8b240fcd625ca6e2c2ec385343f2fb88c9d7233892e8302488a9f. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: eda9de6005d8b240fcd625ca6e2c2ec385343f2fb88c9d7233892e8302488a9f
SHA3-384 hash: f1f8c77dc0a7a07c1f0b9951e200272287c31dc9e690f625b981cb802f8a1addf0d4b1e081a4fade246faa4ce44ca36e
SHA1 hash: f5e822915d65c96bdb32f441651aaa0ed2884201
MD5 hash: 850a2a0eee8fe41dc2b84bcf4f692aa2
humanhash: stream-jig-lion-fix
File name:850a2a0eee8fe41dc2b84bcf4f692aa2.exe
Download: download sample
Signature Arechclient2
Create hunting rule
File size:355'840 bytes
First seen:2024-04-29 10:30:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 01898177ba9cb8dd836c1011eeda6231 (9 x Stealc, 2 x Arechclient2, 1 x MarsStealer)
ssdeep 6144:qQnVK4NKrO3Eg2ASnfP10KVEI9iBmxf4AUkF10KobAMGuRcEEI7lpg2QF:+4NKh1RnfP1bVH9iB+PUkF10BhGuRNEp
TLSH T18974F1113BE08536C2A758344471C6916B3FB8725B71C19F37982BAF0E377C1AA2A767
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 64d29a9899b9a981 (2 x Stealc, 1 x Arechclient2)
Reporter abuse_ch
Tags:Arechclient2 exe


Avatar
abuse_ch
Arechclient2 C2:
http://185.172.128.151/7043a0c6a68d9c65.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
325
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
eda9de6005d8b240fcd625ca6e2c2ec385343f2fb88c9d7233892e8302488a9f.exe
Verdict:
Malicious activity
Analysis date:
2024-04-29 10:32:34 UTC
Tags:
loader stealer stealc arechclient2 backdoor
Link:
https://app.any.run/tasks/fdc7b1bb-7f41-4137-a965-b7cf413ff4af

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
Launching the default Windows debugger (dwwin.exe)
Connection attempt to an infection source
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/eda9de6005d8b240fcd625ca6e2c2ec385343f2fb88c9d7233892e8302488a9f
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/ae6b6612-f257-4f5d-9ac4-a1be89dae7a8
Result
Threat name:
Mars Stealer, RedLine, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1433286
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
Machine Learning detection for dropped file
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 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)
Tries to harvest and steal browser information (history, passwords, etc)
Writes to foreign memory regions
Yara detected Mars stealer
Yara detected RedLine Stealer
Yara detected Stealc
Yara detected UAC Bypass using CMSTP
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1433286 Sample: PeaaKoI41M.exe Startdate: 29/04/2024 Architecture: WINDOWS Score: 100 63 note.padd.cn.com 2->63 89 Multi AV Scanner detection for domain / URL 2->89 91 Found malware configuration 2->91 93 Malicious sample detected (through community Yara rule) 2->93 95 14 other signatures 2->95 9 PeaaKoI41M.exe 2 10 2->9         started        14 run.exe 2 2->14         started        16 chrome.exe 1 2->16         started        signatures3 process4 dnsIp5 69 185.172.128.203, 49724, 80 NADYMSS-ASRU Russian Federation 9->69 71 185.172.128.228, 49723, 80 NADYMSS-ASRU Russian Federation 9->71 73 note.padd.cn.com 176.97.76.106, 49725, 80 INTRAFFIC-ASUA United Kingdom 9->73 55 C:\Users\user\AppData\Local\Temp\...\run.exe, PE32 9->55 dropped 57 C:\Users\user\AppData\Local\...\relay.dll, PE32 9->57 dropped 59 C:\Users\user\AppData\...\UIxMarketPlugin.dll, PE32 9->59 dropped 61 C:\Users\user\AppData\Local\Temp\u55s.0.exe, PE32 9->61 dropped 117 Detected unpacking (changes PE section rights) 9->117 119 Detected unpacking (overwrites its own PE header) 9->119 18 run.exe 6 9->18         started        22 u55s.0.exe 12 9->22         started        25 WerFault.exe 19 16 9->25         started        121 Maps a DLL or memory area into another process 14->121 123 Found direct / indirect Syscall (likely to bypass EDR) 14->123 27 cmd.exe 14->27         started        75 192.168.2.6, 15647, 443, 49698 unknown unknown 16->75 77 192.168.2.7 unknown unknown 16->77 79 239.255.255.250 unknown Reserved 16->79 29 chrome.exe 16->29         started        31 chrome.exe 16->31         started        file6 signatures7 process8 dnsIp9 49 C:\Users\user\AppData\Roaming\...\relay.dll, PE32 18->49 dropped 51 C:\Users\user\AppData\...\UIxMarketPlugin.dll, PE32 18->51 dropped 97 Maps a DLL or memory area into another process 18->97 99 Found direct / indirect Syscall (likely to bypass EDR) 18->99 33 cmd.exe 4 18->33         started        65 185.172.128.151, 49736, 80 NADYMSS-ASRU Russian Federation 22->65 101 Multi AV Scanner detection for dropped file 22->101 103 Detected unpacking (changes PE section rights) 22->103 105 Detected unpacking (overwrites its own PE header) 22->105 109 3 other signatures 22->109 53 C:\Users\user\AppData\Local\Temp\vlpkoxnwuo, PE32 27->53 dropped 107 Writes to foreign memory regions 27->107 37 conhost.exe 27->37         started        39 MSBuild.exe 27->39         started        67 www.google.com 142.250.191.196, 443, 49702, 49703 GOOGLEUS United States 29->67 file10 signatures11 process12 file13 47 C:\Users\user\AppData\Local\Temp\uhmtcxxk, PE32 33->47 dropped 83 Writes to foreign memory regions 33->83 85 Found hidden mapped module (file has been removed from disk) 33->85 87 Maps a DLL or memory area into another process 33->87 41 MSBuild.exe 9 33->41         started        45 conhost.exe 33->45         started        signatures14 process15 dnsIp16 81 91.215.85.66, 15647, 49734 PINDC-ASRU Russian Federation 41->81 111 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 41->111 113 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 41->113 115 Tries to harvest and steal browser information (history, passwords, etc) 41->115 signatures17
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/eda9de6005d8b240fcd625ca6e2c2ec385343f2fb88c9d7233892e8302488a9f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/eda9de6005d8b240fcd625ca6e2c2ec385343f2fb88c9d7233892e8302488a9f/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2024-04-29 10:31:04 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
21 of 23 (91.30%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5wu54yaf3czeb7gwexfg4lboyoctipzpxcgj24rtrexigasirkpq._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:sectoprat family:stealc discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/240429-mkdfxagg9x/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Downloads MZ/PE file
SectopRAT
SectopRAT payload
Stealc
Malware Config
C2 Extraction:
http://185.172.128.151
Unpacked files
SH256 hash:
cfc2458a54578854cae748277b7527e4a2ff4a49aa4a55b885109fc334f73865
MD5 hash:
f24e8a42d193b41ec73c76a36c30ee0d
SHA1 hash:
4ceab3b79d49350c6d9575470cd273ec1d8b26cd
Link:
https://www.unpac.me/results/c8b3294b-899f-4870-b5c9-a43e5aa0eb5b/
SH256 hash:
eda9de6005d8b240fcd625ca6e2c2ec385343f2fb88c9d7233892e8302488a9f
MD5 hash:
850a2a0eee8fe41dc2b84bcf4f692aa2
SHA1 hash:
f5e822915d65c96bdb32f441651aaa0ed2884201
Link:
https://www.unpac.me/results/c8b3294b-899f-4870-b5c9-a43e5aa0eb5b/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/eda9de6005d8/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/eda9de6005d8b240fcd625ca6e2c2ec385343f2fb88c9d7233892e8302488a9f

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:DebuggerException__SetConsoleCtrl
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

Arechclient2

Executable exe eda9de6005d8b240fcd625ca6e2c2ec385343f2fb88c9d7233892e8302488a9f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2812849/
  
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_NXMissing Non-Executable Memory Protectioncritical
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::GetVolumeInformationA
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleCtrlHandler
KERNEL32.dll::SetConsoleDisplayMode
KERNEL32.dll::SetConsoleTitleW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA

Comments