MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 257cdf77319f3064fc06d4e3680848790357078a0c89bb3a8d417f79390810b9. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 257cdf77319f3064fc06d4e3680848790357078a0c89bb3a8d417f79390810b9
SHA3-384 hash: cf0eb11ebeec62c20c99e75bb0f63e0a0e7ecfb65dc5f648bbc1ce3ea4d4068d890ea042e4dbca5b360f12d79b88e958
SHA1 hash: 0edc7483e4ed1cd3b55e32235b82572093a99856
MD5 hash: 76d72f57ec2157d86c26e0daddc91824
humanhash: asparagus-nineteen-texas-gee
File name:Notepad++.exe
Download: download sample
Signature Arechclient2
Create hunting rule
File size:2'866'140 bytes
First seen:2023-01-17 15:09:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:drkyjp9yHUPUMhvygCq8VAefvp6X2qeHoCmtuskiABRaags0ltZNzB0Rww4f:7gww4f
TLSH T1BDD5E72077FA118ADAE557711D3685C4237B7B6BBA39C66C384D224C4E72B03C722B67
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon c4d4c4f49cdcc4d4 (3 x Arechclient2)
Reporter malware_traffic
Tags:Arechclient2 exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
237
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Notepad++.exe
Verdict:
Malicious activity
Analysis date:
2023-01-17 14:59:05 UTC
Tags:
loader autoit trojan
Link:
https://app.any.run/tasks/f62192a5-5ec2-469d-913c-e75b69c17ea0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/353867/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Launching a process
Creating a process with a hidden window
Running batch commands
Launching cmd.exe command interpreter
Moving a recently created file
Possible injection to a system process
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
80%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63c6ba4cafdaca54d438d021/reports/3bb55e7d-ecc4-45c4-ab4a-68ecda8efa8b/overview
Result
Verdict:
UNKNOWN
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/583c6e79-70dd-437c-96a2-d903f2ea62fe
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.expl.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1153184
Signature
.NET source code contains potential unpacker
Creates processes via WMI
Drops PE files with a suspicious file extension
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 785924 Sample: Notepad++.exe Startdate: 17/01/2023 Architecture: WINDOWS Score: 96 92 Multi AV Scanner detection for submitted file 2->92 94 Sigma detected: Drops script at startup location 2->94 96 .NET source code contains potential unpacker 2->96 98 3 other signatures 2->98 11 Notepad++.exe 15 21 2->11         started        15 WmiPrvSE.exe 2->15         started        17 wscript.exe 2->17         started        20 WmiPrvSE.exe 2->20         started        process3 dnsIp4 78 github.com 140.82.121.3, 443, 49723 GITHUBUS United States 11->78 80 objects.githubusercontent.com 185.199.108.133, 443, 49724 FASTLYUS Netherlands 11->80 82 files.dd-cloud.pro 172.67.135.97, 443, 49712, 49722 CLOUDFLARENETUS United States 11->82 70 C:\Users\user\AppData\...\tmpC8F0tmp.exe, PE32 11->70 dropped 72 C:\Users\user\AppData\...\tmpBC9B.tmp.exe, PE32 11->72 dropped 74 C:\Users\user\AppData\...74otepad++.exe.log, ASCII 11->74 dropped 22 tmpBC9B.tmp.exe 1 5 11->22         started        26 tmpC8F0tmp.exe 14 11->26         started        28 bXCgNLnIKx.exe.com 15->28         started        90 Creates processes via WMI 17->90 file5 signatures6 process7 dnsIp8 62 C:\Users\user\AppData\Local\Temp\...\97, PE32 22->62 dropped 102 Multi AV Scanner detection for dropped file 22->102 104 Machine Learning detection for dropped file 22->104 31 cmd.exe 1 22->31         started        34 bitsadmin.exe 1 22->34         started        64 C:\Users\user\AppData\Local\...\LangDLL.dll, PE32 26->64 dropped 66 C:\Users\user\AppData\Local\...\System.dll, PE32 26->66 dropped 84 DEJaJEFpFwH.DEJaJEFpFwH 28->84 file9 signatures10 process11 signatures12 108 Uses ping.exe to sleep 31->108 110 Uses ping.exe to check the status of other devices and networks 31->110 36 cmd.exe 2 31->36         started        40 conhost.exe 31->40         started        42 conhost.exe 34->42         started        process13 file14 60 C:\Users\user\...\Selling.exe.pif (copy), PE32 36->60 dropped 100 Uses ping.exe to sleep 36->100 44 Selling.exe.pif 36->44         started        49 PING.EXE 36->49         started        51 powershell.exe 11 36->51         started        53 powershell.exe 11 36->53         started        signatures15 process16 dnsIp17 86 DEJaJEFpFwH.DEJaJEFpFwH 44->86 76 C:\Users\user\AppData\...\bXCgNLnIKx.exe.com, PE32 44->76 dropped 106 Drops PE files with a suspicious file extension 44->106 55 cmd.exe 44->55         started        88 192.168.2.1 unknown unknown 49->88 file18 signatures19 process20 file21 68 C:\Users\user\AppData\...\bXCgNLnIKx.url, MS 55->68 dropped 58 conhost.exe 55->58         started        process22
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/257cdf77319f3064fc06d4e3680848790357078a0c89bb3a8d417f79390810b9/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ev6n65zrt4ygj7ag2trwqccipebvob4kbse3wounif7xsoiicc4q._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  10/10
Tags:
evasion persistence trojan
Link:
https://tria.ge/reports/230117-sj2d8sea8w/
Behaviour
Kills process with taskkill
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Loads dropped DLL
Executes dropped EXE
Suspicious use of NtCreateUserProcessOtherParentProcess
UAC bypass
Unpacked files
SH256 hash:
257cdf77319f3064fc06d4e3680848790357078a0c89bb3a8d417f79390810b9
MD5 hash:
76d72f57ec2157d86c26e0daddc91824
SHA1 hash:
0edc7483e4ed1cd3b55e32235b82572093a99856
Link:
https://www.unpac.me/results/a4de1d77-0818-44ea-84af-7ab888447d24/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/257cdf77319f3064fc06d4e3680848790357078a0c89bb3a8d417f79390810b9

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/353867/

Comments