MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 527e19cd539e5d15bef1fcf472df30ba0534d42a7d01ec5d20600640e567aded. 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: 9


Intelligence 9 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 527e19cd539e5d15bef1fcf472df30ba0534d42a7d01ec5d20600640e567aded
SHA3-384 hash: 5ce49092149afa262ff30dbb3e1b8036e82c29a0cf8e05229e47bb01d98e2e9b0e78205581c0f8b5f56e463db15b1d97
SHA1 hash: ad9d06c4b7268d63868bcb65e47cb496fc6f12c0
MD5 hash: 4e1d7fb5dfe320af4f18c59c865198ab
humanhash: louisiana-hydrogen-alanine-shade
File name:4e1d7fb5dfe320af4f18c59c865198ab.exe
Download: download sample
Signature Arechclient2
Create hunting rule
File size:1'281'168 bytes
First seen:2022-07-02 19:07:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash bc70c4fa605f17c85050b7c7b6d42e44 (15 x njrat, 12 x RedLineStealer, 10 x AgentTesla)
ssdeep 24576:sQAJJieTqv5s1FzmFA60Deyz414OrSV0EtwBGrwmJfaQ1S6ddUvj9ySSJ+:sQUXqv5kFii60aEl6AxuGr71XoMr+
TLSH T1B05512E2F6D4C411E9725670E4B44AF326347CA2DBF9A68B71847E4C75B12802E3637B
TrID 38.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
20.5% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
13.0% (.EXE) Win64 Executable (generic) (10523/12/4)
8.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 339d3d51432f9b0f (1 x Arechclient2, 1 x AveMariaRAT)
Reporter abuse_ch
Tags:Arechclient2 exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
280
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Artemis4E1D7FB5DFE3.7906.12179.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Launching a process
Creating a process with a hidden window
Running batch commands
Launching cmd.exe command interpreter
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Moving a file to the %temp% subdirectory
Creating a process from a recently created file
DNS request
Possible injection to a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/23467/overview
Behaviour
MalwareBazaar
MeasuringTime
SystemUptime
EvasionGetTickCount
EvasionQueryPerformanceCounter
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
advpack.dll overlay packed rundll32.exe setupapi.dll shell32.dll
Link:
https://www.filescan.io/uploads/62c097cec1b6cfcaa5e69b26/reports/fd52ae75-e1a5-4075-8d62-96f3b695c467/overview
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/616a6fd3-06e5-4005-a06d-b9629e9babed
Result
Threat name:
RedLine, SectopRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1023569
Signature
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
Connects to many ports of the same IP (likely port scanning)
Creates processes via WMI
DLL reload attack detected
Drops PE files with a suspicious file extension
Found API chain indicative of debugger detection
Found API chain indicative of sandbox detection
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Obfuscated command line found
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)
Renames NTDLL to bypass HIPS
Sigma detected: Drops script at startup location
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Uses ipconfig to lookup or modify the Windows network settings
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected RedLine Stealer
Yara detected SectopRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 656064 Sample: wq7Mj5yZb3.exe Startdate: 02/07/2022 Architecture: WINDOWS Score: 100 78 Snort IDS alert for network traffic 2->78 80 Malicious sample detected (through community Yara rule) 2->80 82 Antivirus detection for URL or domain 2->82 84 6 other signatures 2->84 10 wq7Mj5yZb3.exe 1 5 2->10         started        13 QdWAMicTHS.exe.com 1 2->13         started        17 wscript.exe 2->17         started        19 rundll32.exe 2->19         started        process3 dnsIp4 108 Uses ipconfig to lookup or modify the Windows network settings 10->108 21 cmd.exe 1 10->21         started        24 ipconfig.exe 1 10->24         started        76 iqCIzTdOBRCBoGCdjPbV.iqCIzTdOBRCBoGCdjPbV 13->76 66 C:\Users\user\AppData\Local\Temp\...\HgYE.dll, PE32 13->66 dropped 110 DLL reload attack detected 13->110 112 Found API chain indicative of debugger detection 13->112 114 Found API chain indicative of sandbox detection 13->114 118 3 other signatures 13->118 26 jsc.exe 13->26         started        116 Creates processes via WMI 17->116 file5 signatures6 process7 signatures8 92 Obfuscated command line found 21->92 94 Uses ping.exe to sleep 21->94 96 Drops PE files with a suspicious file extension 21->96 98 Uses ping.exe to check the status of other devices and networks 21->98 28 cmd.exe 2 21->28         started        32 conhost.exe 21->32         started        34 PING.EXE 1 21->34         started        36 conhost.exe 24->36         started        process9 file10 64 C:\Users\user\AppData\Local\...\Sento.exe.pif, PE32 28->64 dropped 120 Obfuscated command line found 28->120 122 Uses ping.exe to sleep 28->122 38 Sento.exe.pif 5 28->38         started        43 PING.EXE 1 28->43         started        45 tasklist.exe 1 28->45         started        47 2 other processes 28->47 signatures11 process12 dnsIp13 72 iqCIzTdOBRCBoGCdjPbV.iqCIzTdOBRCBoGCdjPbV 38->72 60 C:\Users\user\AppData\...\QdWAMicTHS.exe.com, PE32 38->60 dropped 62 C:\Users\user\AppData\Local\Temp\...\HgYE.dll, PE32 38->62 dropped 100 DLL reload attack detected 38->100 102 Drops PE files with a suspicious file extension 38->102 104 Writes to foreign memory regions 38->104 106 2 other signatures 38->106 49 jsc.exe 15 4 38->49         started        53 cmd.exe 2 38->53         started        74 192.168.2.1 unknown unknown 43->74 file14 signatures15 process16 dnsIp17 68 34.159.232.110, 15647, 49789, 49799 ATGS-MMD-ASUS United States 49->68 70 eth0.me 5.132.162.27, 49800, 80 INTERNEX-ASAT Austria 49->70 86 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 49->86 88 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 49->88 90 Tries to harvest and steal browser information (history, passwords, etc) 49->90 58 C:\Users\user\AppData\...\QdWAMicTHS.url, MS 53->58 dropped 56 conhost.exe 53->56         started        file18 signatures19 process20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/527e19cd539e5d15bef1fcf472df30ba0534d42a7d01ec5d20600640e567aded/
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kj7bttkttzorlpxr7t2hfxzqxictjvbkpua6yxjamadebzlhvxwq._file
Verdict:
malicious
Result
Malware family:
sectoprat
Create hunting rule
Score:
  10/10
Tags:
family:sectoprat evasion persistence rat suricata trojan
Link:
https://tria.ge/reports/220702-xs7ptsbac4/
Behaviour
Enumerates processes with tasklist
Gathers network information
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Drops startup file
Loads dropped DLL
Executes dropped EXE
SectopRAT
SectopRAT Payload
Suspicious use of NtCreateUserProcessOtherParentProcess
UAC bypass
suricata: ET MALWARE Arechclient2 Backdoor CnC Init
Unpacked files
SH256 hash:
1a2e8329a2f3255c06825aed711ae65ad476aef811b21737cbef1ccc451872aa
MD5 hash:
1dd1a9c59ff05cced864226e1d5e00bb
SHA1 hash:
528f9f4642c498c78d45f74b5e7712fca9eb1959
Link:
https://www.unpac.me/results/b1e073ac-cd9e-4a97-a387-3fa71b8fb0ff/
SH256 hash:
527e19cd539e5d15bef1fcf472df30ba0534d42a7d01ec5d20600640e567aded
MD5 hash:
4e1d7fb5dfe320af4f18c59c865198ab
SHA1 hash:
ad9d06c4b7268d63868bcb65e47cb496fc6f12c0
Link:
https://www.unpac.me/results/b1e073ac-cd9e-4a97-a387-3fa71b8fb0ff/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/527e19cd539e/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:grakate_stealer_nov_2021
Create hunting rule
Rule name:MALWARE_Win_Arechclient2
Create hunting rule
Author:ditekSHen
Description:Detects Arechclient2 RAT
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_XORed_URL_in_EXE
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834

File information

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

Web download

Arechclient2

Executable exe 527e19cd539e5d15bef1fcf472df30ba0534d42a7d01ec5d20600640e567aded

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2250479/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2249228/

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