MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d3426eefc87c0dc419603220907c90dc5db259b94ce235105b298867910c0f83. 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: d3426eefc87c0dc419603220907c90dc5db259b94ce235105b298867910c0f83
SHA3-384 hash: 80dba06d8addc3e949a7342628da0f22f8e49a785663ad2e2f296712e3147b181b25542fa14334333f420bbc848fff35
SHA1 hash: baee6f3a49bdc309e86c8fb52d1072197fe19e14
MD5 hash: 4aee9b9dddf220182e1d0d1f00e7797e
humanhash: july-snake-mars-mirror
File name:4aee9b9dddf220182e1d0d1f00e7797e.exe
Download: download sample
Signature Arechclient2
Create hunting rule
File size:356'352 bytes
First seen:2024-04-29 13:30:25 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:rduS03pdQbVg12jXuaGWkJ0Oey7lZr1asn3e5mV/9+D9f/a4ENTUh8d5a1:ZoXQHy3WkH8sn3e5maa4MY
TLSH T14574F11237E0FC35E1969D71543AC2A1967F78724BB0919FB3C017AE6E712E0B636362
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 64f29a9889a99989 (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 :
347
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d3426eefc87c0dc419603220907c90dc5db259b94ce235105b298867910c0f83.exe
Verdict:
Malicious activity
Analysis date:
2024-04-29 13:36:38 UTC
Tags:
loader stealer stealc arechclient2 backdoor
Link:
https://app.any.run/tasks/4bcc5d8f-e8b8-4ef8-bee1-4592711ddb1f

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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint packed
Link:
https://www.filescan.io/uploads/662fa11b47bfd8641eba5c39/reports/11de88e4-5ba0-4c14-b163-b64a9a0c2dbc/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/d3426eefc87c0dc419603220907c90dc5db259b94ce235105b298867910c0f83
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2002f2d3-a97a-4d72-8825-879e5ea825cb
Result
Threat name:
Mars Stealer, RedLine, SectopRAT, Stealc
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1433387
Signature
Antivirus detection for dropped file
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
Found many strings related to Crypto-Wallets (likely being stolen)
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 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 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
Uses known network protocols on non-standard ports
Writes to foreign memory regions
Yara detected Mars stealer
Yara detected RedLine Stealer
Yara detected SectopRAT
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: 1433387 Sample: A4eSWqbQPf.exe Startdate: 29/04/2024 Architecture: WINDOWS Score: 100 75 note.padd.cn.com 2->75 97 Found malware configuration 2->97 99 Malicious sample detected (through community Yara rule) 2->99 101 Antivirus detection for dropped file 2->101 103 14 other signatures 2->103 9 A4eSWqbQPf.exe 3 10 2->9         started        14 run.exe 2->14         started        16 chrome.exe 1 2->16         started        18 2 other processes 2->18 signatures3 process4 dnsIp5 83 185.172.128.203, 49752, 80 NADYMSS-ASRU Russian Federation 9->83 85 185.172.128.228, 49751, 80 NADYMSS-ASRU Russian Federation 9->85 87 note.padd.cn.com 176.97.76.106, 49753, 80 INTRAFFIC-ASUA United Kingdom 9->87 67 C:\Users\user\AppData\Local\Temp\...\run.exe, PE32 9->67 dropped 69 C:\Users\user\AppData\Local\...\relay.dll, PE32 9->69 dropped 71 C:\Users\user\AppData\...\UIxMarketPlugin.dll, PE32 9->71 dropped 73 C:\Users\user\AppData\Local\Temp\u1n4.0.exe, PE32 9->73 dropped 125 Detected unpacking (changes PE section rights) 9->125 127 Detected unpacking (overwrites its own PE header) 9->127 20 u1n4.0.exe 43 9->20         started        25 run.exe 6 9->25         started        27 WerFault.exe 21 16 9->27         started        129 Maps a DLL or memory area into another process 14->129 131 Found direct / indirect Syscall (likely to bypass EDR) 14->131 29 cmd.exe 14->29         started        89 192.168.2.13 unknown unknown 16->89 91 192.168.2.14 unknown unknown 16->91 93 4 other IPs or domains 16->93 31 chrome.exe 16->31         started        33 chrome.exe 16->33         started        35 chrome.exe 18->35         started        file6 signatures7 process8 dnsIp9 77 185.172.128.151, 49767, 80 NADYMSS-ASRU Russian Federation 20->77 51 C:\Users\user\AppData\...\softokn3[1].dll, PE32 20->51 dropped 53 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 20->53 dropped 55 C:\Users\user\AppData\...\mozglue[1].dll, PE32 20->55 dropped 63 9 other files (5 malicious) 20->63 dropped 105 Multi AV Scanner detection for dropped file 20->105 107 Detected unpacking (changes PE section rights) 20->107 109 Detected unpacking (overwrites its own PE header) 20->109 117 8 other signatures 20->117 57 C:\Users\user\AppData\Roaming\...\relay.dll, PE32 25->57 dropped 59 C:\Users\user\AppData\...\UIxMarketPlugin.dll, PE32 25->59 dropped 111 Maps a DLL or memory area into another process 25->111 113 Found direct / indirect Syscall (likely to bypass EDR) 25->113 37 cmd.exe 4 25->37         started        61 C:\Users\user\AppData\Local\Temp\hque, PE32 29->61 dropped 115 Writes to foreign memory regions 29->115 41 conhost.exe 29->41         started        43 MSBuild.exe 29->43         started        79 www.google.com 142.250.191.132, 443, 49733, 49734 GOOGLEUS United States 31->79 81 google.com 31->81 file10 signatures11 process12 file13 65 C:\Users\user\AppData\Local\Temp\bemv, PE32 37->65 dropped 119 Writes to foreign memory regions 37->119 121 Found hidden mapped module (file has been removed from disk) 37->121 123 Maps a DLL or memory area into another process 37->123 45 MSBuild.exe 37->45         started        49 conhost.exe 37->49         started        signatures14 process15 dnsIp16 95 91.215.85.66, 15647, 49766, 49768 PINDC-ASRU Russian Federation 45->95 133 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 45->133 135 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 45->135 137 Tries to harvest and steal browser information (history, passwords, etc) 45->137 signatures17
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d3426eefc87c0dc419603220907c90dc5db259b94ce235105b298867910c0f83
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d3426eefc87c0dc419603220907c90dc5db259b94ce235105b298867910c0f83/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2024-04-29 13:31:04 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
22 of 23 (95.65%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2nbg536ipqg4iglagiqja7eq3ro3ewnzjtrdkec3fgegpeimb6bq._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-qsc2wsbf87/
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/1cced7ae-eb3c-45ba-a9f8-5ce5e893cc05/
SH256 hash:
d3426eefc87c0dc419603220907c90dc5db259b94ce235105b298867910c0f83
MD5 hash:
4aee9b9dddf220182e1d0d1f00e7797e
SHA1 hash:
baee6f3a49bdc309e86c8fb52d1072197fe19e14
Link:
https://www.unpac.me/results/1cced7ae-eb3c-45ba-a9f8-5ce5e893cc05/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d3426eefc87c/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/d3426eefc87c0dc419603220907c90dc5db259b94ce235105b298867910c0f83

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 d3426eefc87c0dc419603220907c90dc5db259b94ce235105b298867910c0f83

(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_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

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