MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f4a6cd21ceebfe35a5598ef33ffa9276b5682cb729d941774bcf988004a2a16. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2f4a6cd21ceebfe35a5598ef33ffa9276b5682cb729d941774bcf988004a2a16
SHA3-384 hash: 03c72835cfdaf08d8a6ae0dcc5cf96a45c9d1f53bf0530b4d64a98899c38d0b77de2f2a0b4c61c64689bd6b4d12e4609
SHA1 hash: 490122a925a612183c5ce0709422e465bf359770
MD5 hash: ed4546d6e0de1fe64fc536e8b006eb69
humanhash: lake-edward-blue-south
File name:ed4546d6e0de1fe64fc536e8b006eb69.exe
Download: download sample
Signature Arechclient2
Create hunting rule
File size:321'024 bytes
First seen:2022-02-12 20:03:36 UTC
Last seen:2022-02-12 21:51:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:uXjjKUjAAAAAAAAAAAAAAAXAbAAAAAAAAAAAAAAAAAAAAAbAAAgAxAAAAAAAAAA1:CZAAAAAAAAAAAAAAAXAbAAAAAAAAAAA+
Threatray 4'994 similar samples on MalwareBazaar
TLSH T183643D5293BAAFC2C99278F941536BD547A51F5A0E3BC0EC8E833D48E835E87497C0E5
File icon (PE):PE icon
dhash icon c8c49aa9acd6ea86 (3 x CobaltStrike, 1 x Arechclient2, 1 x BadRabbit)
Reporter abuse_ch
Tags:Arechclient2 exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
336
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/241110/
Detection(s):
SecuriteInfo.com.Trojan.Siggen16.45549.13392.32653.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Сreating synchronization primitives
Sending an HTTP GET request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a window
Creating a process with a hidden window
Running batch commands
Launching cmd.exe command interpreter
Launching a process
Using the Windows Management Instrumentation requests
Moving a recently created file
Possible injection to a system process
Launching the process to create tasks for the scheduler
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
msiexec.exe obfuscated packed
Link:
https://www.filescan.io/uploads/620812b8289e2f3e4fcbce09/reports/202f00e3-c892-49fe-9c77-2de92e21d49b/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:
Suspicious
Link:
https://analyze.intezer.com/analyses/1c38a170-1d19-442b-aaa7-3309e79b6ba7
Result
Threat name:
Unknown
Detection:
malicious
Classification:
spyw.expl.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/938858
Signature
Antivirus detection for URL or domain
Contains functionality to register a low level keyboard hook
Creates processes via WMI
Drops PE files with a suspicious file extension
Found strings related to Crypto-Mining
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Obfuscated command line found
Sigma detected: Drops script at startup location
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 571336 Sample: HR6VZZ2h0Q.exe Startdate: 12/02/2022 Architecture: WINDOWS Score: 100 68 Antivirus detection for URL or domain 2->68 70 Multi AV Scanner detection for submitted file 2->70 72 Sigma detected: Drops script at startup location 2->72 74 2 other signatures 2->74 11 HR6VZZ2h0Q.exe 14 6 2->11         started        15 wscript.exe 2->15         started        18 WgVVajjwIZ.exe.pif 2->18         started        process3 dnsIp4 64 jimjames.fun 31.31.196.120, 49760, 80 AS-REGRU Russian Federation 11->64 54 C:\Users\user\AppData\...\tmp383E.tmp.exe, PE32 11->54 dropped 56 C:\Users\user\AppData\...\HR6VZZ2h0Q.exe.log, ASCII 11->56 dropped 20 tmp383E.tmp.exe 6 11->20         started        90 Creates processes via WMI 15->90 66 twuJjRtNiHxgNLTgm.twuJjRtNiHxgNLTgm 18->66 file5 signatures6 process7 signatures8 76 Multi AV Scanner detection for dropped file 20->76 78 Contains functionality to register a low level keyboard hook 20->78 80 Uses schtasks.exe or at.exe to add and modify task schedules 20->80 23 cmd.exe 1 20->23         started        26 at.exe 1 20->26         started        process9 signatures10 84 Obfuscated command line found 23->84 86 Drops PE files with a suspicious file extension 23->86 28 cmd.exe 2 23->28         started        32 conhost.exe 23->32         started        34 conhost.exe 26->34         started        process11 file12 58 C:\Users\user\AppData\Local\...\Uscio.exe.pif, PE32 28->58 dropped 88 Obfuscated command line found 28->88 36 Uscio.exe.pif 4 28->36         started        41 tasklist.exe 1 28->41         started        43 tasklist.exe 1 28->43         started        45 4 other processes 28->45 signatures13 process14 dnsIp15 62 twuJjRtNiHxgNLTgm.twuJjRtNiHxgNLTgm 36->62 52 C:\Users\user\AppData\...\WgVVajjwIZ.exe.pif, PE32 36->52 dropped 82 Drops PE files with a suspicious file extension 36->82 47 cmd.exe 2 36->47         started        file16 signatures17 process18 file19 60 C:\Users\user\AppData\...\WgVVajjwIZ.url, MS 47->60 dropped 50 conhost.exe 47->50         started        process20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2f4a6cd21ceebfe35a5598ef33ffa9276b5682cb729d941774bcf988004a2a16/
Threat name:
ByteCode-MSIL.Trojan.Dnoper
Create hunting rule
Status:
Malicious
First seen:
2022-02-12 20:04:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
15 of 28 (53.57%)
Threat level:
  5/5
Verdict:
malicious
Similar samples:
20a605a18b48b55adb6ae9c0024013be69ec884e7407ca50b39177035dc7b948
Arechclient2
9121fd4845cbfaf6036ecd3d457eabb2baba660eb693d317eba3c97dccc55a64
Arechclient2
9bf4c9b6c5e930ce91b84920a73d9111793e6d31477458043e94b649147ebf71
Arechclient2
abd054e7a6a48ac8a33ffa9fab4814d0c68149f5a5eea1b0a68e84d2057811d6
Arechclient2
dcb28a28c1b0d809b45522bfac4dece7cc76b7f5bc504e095a262e474b700846
Arechclient2
f3153e4a28cb1a819321100530206c7f8668675260e8bd063859c3cbdbfeee7c
Arechclient2
faec9f2bb4da32ed322a8d98e634997ba23d2b28aa64a2efe7d49d6bb2f15467
Arechclient2
febfbccd66497295ca66e7534aadabe0fb2d152408ee53d944443b532deb1b7f
Arechclient2
+ 4'984 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
spyware suricata
Link:
https://tria.ge/reports/220212-ytabdseheq/
Behaviour
Checks processor information in registry
Enumerates processes with tasklist
Kills process with taskkill
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Loads dropped DLL
Downloads MZ/PE file
Executes dropped EXE
Suspicious use of NtCreateUserProcessOtherParentProcess
suricata: ET MALWARE Arechclient2 Backdoor CnC Init
Unpacked files
SH256 hash:
2f4a6cd21ceebfe35a5598ef33ffa9276b5682cb729d941774bcf988004a2a16
MD5 hash:
ed4546d6e0de1fe64fc536e8b006eb69
SHA1 hash:
490122a925a612183c5ce0709422e465bf359770
Link:
https://www.unpac.me/results/4f386e66-662a-4000-9a8b-9cfc9cec5d1a/
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:exec_macros
Create hunting rule
Author:ddvvmmzz
Description:exec macros
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

Arechclient2

Executable exe 2f4a6cd21ceebfe35a5598ef33ffa9276b5682cb729d941774bcf988004a2a16

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2025084/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/241110/

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