MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cea8116fefb88cd3597edd342e9c0d5a99e6ff5e434035bdbb92f64c17ea2102. 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: 15


Intelligence 15 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cea8116fefb88cd3597edd342e9c0d5a99e6ff5e434035bdbb92f64c17ea2102
SHA3-384 hash: 378bd8bad4bd09cc1e3bf5a7fe6663f19d828709891fb9201dabef28fb44dbfb7e379c6b0199d06e3897cb6f754fb6e2
SHA1 hash: fe11438fbe326f3004454055a52d8e1a731521b3
MD5 hash: bafe2dffe2fe76093da577a2a7763aad
humanhash: bacon-comet-golf-fourteen
File name:bafe2dffe2fe76093da577a2a7763aad.exe
Download: download sample
Signature Arechclient2
Create hunting rule
File size:463'360 bytes
First seen:2024-04-27 23:10:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 8c8bbaaa682c013cc75d9e0c38f1112a (30 x Stealc, 3 x Arechclient2, 1 x LummaStealer)
ssdeep 6144:yqLtuGCSTaLZ4Bz5iNrmY4+wqKKxsnF4rclsMoSkRywnQts4l:yWtrlXI14qdxsn7T14N4l
Threatray 101 similar samples on MalwareBazaar
TLSH T117A4AF4362F07C44EE664E329E2EE6E4265FF9508E49BB27B20DBB1F057D0A1D163790
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 0301012121051100 (4 x Stealc, 1 x Arechclient2)
Reporter abuse_ch
Tags:Arechclient2 exe


Avatar
abuse_ch
Arechclient2 C2:
http://185.172.128.76/8681490a59ad0e34.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
303
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cea8116fefb88cd3597edd342e9c0d5a99e6ff5e434035bdbb92f64c17ea2102.exe
Verdict:
Malicious activity
Analysis date:
2024-04-27 23:11:54 UTC
Tags:
stealer stealc loader hijackloader arechclient2 backdoor
Link:
https://app.any.run/tasks/818f918d-f321-4a1a-a479-cd9e40753d4c

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

Behaviour
Searching for the window
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
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
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint packed
Link:
https://www.filescan.io/uploads/662d860775339da04fa38362/reports/8a1f6aed-e0ad-45c1-964e-f606b8b98957/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/cea8116fefb88cd3597edd342e9c0d5a99e6ff5e434035bdbb92f64c17ea2102
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/7eb6319d-b5b8-49ea-9af3-b1541d578375
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/1432719
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
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 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)
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 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: 1432719 Sample: g6Enn8Bpub.exe Startdate: 28/04/2024 Architecture: WINDOWS Score: 100 81 time.windows.com 2->81 83 note.padd.cn.com 2->83 85 2 other IPs or domains 2->85 111 Snort IDS alert for network traffic 2->111 113 Multi AV Scanner detection for domain / URL 2->113 115 Found malware configuration 2->115 117 16 other signatures 2->117 9 g6Enn8Bpub.exe 3 10 2->9         started        14 run.exe 2->14         started        16 chrome.exe 1 2->16         started        18 chrome.exe 2->18         started        signatures3 process4 dnsIp5 95 185.172.128.203, 49705, 80 NADYMSS-ASRU Russian Federation 9->95 97 185.172.128.228, 49704, 80 NADYMSS-ASRU Russian Federation 9->97 99 note.padd.cn.com 176.97.76.106, 49706, 80 INTRAFFIC-ASUA United Kingdom 9->99 71 C:\Users\user\AppData\Local\Temp\...\run.exe, PE32 9->71 dropped 73 C:\Users\user\AppData\Local\...\relay.dll, PE32 9->73 dropped 75 C:\Users\user\AppData\...\UIxMarketPlugin.dll, PE32 9->75 dropped 77 C:\Users\user\AppData\Local\Temp\u2xo.0.exe, PE32 9->77 dropped 139 Detected unpacking (overwrites its own PE header) 9->139 20 u2xo.0.exe 74 77 9->20         started        25 run.exe 6 9->25         started        27 WerFault.exe 21 16 9->27         started        141 Maps a DLL or memory area into another process 14->141 143 Found direct / indirect Syscall (likely to bypass EDR) 14->143 29 cmd.exe 14->29         started        101 192.168.2.7, 138, 15647, 443 unknown unknown 16->101 103 239.255.255.250 unknown Reserved 16->103 31 chrome.exe 16->31         started        33 chrome.exe 16->33         started        35 chrome.exe 16->35         started        37 chrome.exe 18->37         started        file6 signatures7 process8 dnsIp9 87 185.172.128.76, 49707, 80 NADYMSS-ASRU Russian Federation 20->87 55 C:\Users\user\AppData\...\softokn3[1].dll, PE32 20->55 dropped 57 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 20->57 dropped 59 C:\Users\user\AppData\...\mozglue[1].dll, PE32 20->59 dropped 67 9 other files (5 malicious) 20->67 dropped 119 Multi AV Scanner detection for dropped file 20->119 121 Detected unpacking (changes PE section rights) 20->121 123 Detected unpacking (overwrites its own PE header) 20->123 131 8 other signatures 20->131 39 WerFault.exe 20->39         started        61 C:\Users\user\AppData\Roaming\...\relay.dll, PE32 25->61 dropped 63 C:\Users\user\AppData\...\UIxMarketPlugin.dll, PE32 25->63 dropped 125 Maps a DLL or memory area into another process 25->125 127 Found direct / indirect Syscall (likely to bypass EDR) 25->127 41 cmd.exe 4 25->41         started        65 C:\Users\user\AppData\Local\Temp\iibubbfx, PE32 29->65 dropped 129 Writes to foreign memory regions 29->129 45 conhost.exe 29->45         started        47 MSBuild.exe 29->47         started        89 www.google.com 172.253.115.99, 443, 49713 GOOGLEUS United States 31->89 91 google.com 31->91 93 172.253.63.103, 443, 49744, 49752 GOOGLEUS United States 33->93 file10 signatures11 process12 file13 69 C:\Users\user\AppData\Local\...\cfiglpjfven, PE32 41->69 dropped 133 Writes to foreign memory regions 41->133 135 Found hidden mapped module (file has been removed from disk) 41->135 137 Maps a DLL or memory area into another process 41->137 49 MSBuild.exe 41->49         started        53 conhost.exe 41->53         started        signatures14 process15 dnsIp16 79 91.215.85.66, 15647, 49737, 9000 PINDC-ASRU Russian Federation 49->79 105 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 49->105 107 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 49->107 109 Tries to harvest and steal browser information (history, passwords, etc) 49->109 signatures17
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/cea8116fefb88cd3597edd342e9c0d5a99e6ff5e434035bdbb92f64c17ea2102
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cea8116fefb88cd3597edd342e9c0d5a99e6ff5e434035bdbb92f64c17ea2102/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2024-04-27 23:11:06 UTC
File Type:
PE (Exe)
Extracted files:
64
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=z2ubc37pxcgngwl63u2c5hanlkm6n726inadlpn3sl3eyf7keeba._file
Verdict:
malicious
Similar samples:
0b51f3120c7d31f504bd67b8bc8e9f41ca580b77bbf3a2aaa257bb1232d31073
Arechclient2
2311b9c48a7252803500270a3f0432ac4cc5f229c414829ce1dfa84736ae1806
Arechclient2
2b7efff0b80e8a25e6acba7d686ba3836d3d672d62b880e3661587658edeee40
Arechclient2
3b37fec0af4f32196086cfaad850c32113b60766190d283e2bc2f92a19b8cf20
Arechclient2
3c32964cca00e83122ead56ebfb400c23ef158ec7ebbc02e3470238010e49506
Arechclient2
47307dc63a88e7e1ba5eb0230a0ac39092bd5c284896909d5e9f274f47939483
Arechclient2
ab9a7b051c33a323d9cb5aefdc28465a3c90ddd69f707898fa3e669df9bbeb2f
Arechclient2
ca097627fe7a4ed8060c03c3ecd3ad8cb79454cdb114d79f061bb52a27dec260
Arechclient2
d83011dec2bbee77269f3b84f65ab094c77615e6a1f25266f7f7705eb2ce99b5
Arechclient2
eb1b82882490b936d4fbdd1375194d3fc97a9ded0daca28dd58eb2e9599b336a
Arechclient2
+ 91 additional samples on MalwareBazaar
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/240427-2586msaf69/
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
Checks computer location settings
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://185.172.128.76
Unpacked files
SH256 hash:
cfc2458a54578854cae748277b7527e4a2ff4a49aa4a55b885109fc334f73865
MD5 hash:
f24e8a42d193b41ec73c76a36c30ee0d
SHA1 hash:
4ceab3b79d49350c6d9575470cd273ec1d8b26cd
Link:
https://www.unpac.me/results/2f5d305e-e8d5-4077-8753-cd2997aa168c/
SH256 hash:
cea8116fefb88cd3597edd342e9c0d5a99e6ff5e434035bdbb92f64c17ea2102
MD5 hash:
bafe2dffe2fe76093da577a2a7763aad
SHA1 hash:
fe11438fbe326f3004454055a52d8e1a731521b3
Link:
https://www.unpac.me/results/2f5d305e-e8d5-4077-8753-cd2997aa168c/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cea8116fefb8/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/cea8116fefb88cd3597edd342e9c0d5a99e6ff5e434035bdbb92f64c17ea2102

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:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:detect_Mars_Stealer
Create hunting rule
Author:@malgamy12
Description:detect_Mars_Stealer
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Create hunting rule
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
Create hunting rule
Author:ditekSHen
Description:Detect binaries embedding considerable number of MFA browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:malware_Stealc_str
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:Stealc infostealer
Rule name:Windows_Trojan_Generic_2993e5a5
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Stealc_b8ab9ab5
Create hunting rule
Author:Elastic Security
Rule name:win_stealc_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stealc.
Rule name:yara_template
Create hunting rule

File information

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

Web download

Arechclient2

Executable exe cea8116fefb88cd3597edd342e9c0d5a99e6ff5e434035bdbb92f64c17ea2102

(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::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputA
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasesA
KERNEL32.dll::GetConsoleProcessList
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryA
KERNEL32.dll::RemoveDirectoryA
KERNEL32.dll::GetTempPathA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
KERNEL32.dll::QueryDosDeviceW

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