MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d53c9d7349bdbee8f73709c263cb08c2ca721365bb0670993b81fe2fd9200bac. 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


ServHelper


Vendor detections: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d53c9d7349bdbee8f73709c263cb08c2ca721365bb0670993b81fe2fd9200bac
SHA3-384 hash: 0b8c468a80ef06ec8f61c49917b953f133c6f24774a906111d1f7c0fb38e09f2d66d0ac76022c1269af677a16c7b5a9a
SHA1 hash: fd4575dc03089e7825d31c55159ec97d767c07ef
MD5 hash: 9a0215081854f8e55149f4255b36278d
humanhash: orange-jersey-nevada-double
File name:9a0215081854f8e55149f4255b36278d.exe
Download: download sample
Signature ServHelper
Create hunting rule
File size:6'347'264 bytes
First seen:2021-03-16 19:10:12 UTC
Last seen:2021-03-16 20:37:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 4035d2883e01d64f3e7a9dccb1d63af5 (47 x ServHelper, 20 x LummaStealer, 17 x Rhadamanthys)
ssdeep 49152:WrrSKXMLQnrYo95p5GwYhPIzStgmhF0CIUW1Rira6CKkHihFDqZX52YFy8aVut7x:AXMLQns0aa
Threatray 47 similar samples on MalwareBazaar
TLSH 0756E012BCD204FAC5BAE17085569362BA713C7487323BD71E84B66A1AB5FD42F3E314
Reporter abuse_ch
Tags:exe ServHelper


Avatar
abuse_ch
ServHelper C2:
https://syvgevyhz.cn/

Intelligence

File Origin
# of uploads :
2
# of downloads :
966
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://91.212.150.176/fulla.exe
Verdict:
No threats detected
Analysis date:
2021-03-15 22:13:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/53d06a54-b57b-4805-8d8d-379a8890ba76

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/124392/
Detection(s):
SecuriteInfo.com.Trojan.MulDrop16.30919.25232.25988.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the system32 subdirectories
Sending a UDP request
Creating a window
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Using the Windows Management Instrumentation requests
Forced system process termination
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:
HAFNIUM
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/328e9c2d-4713-4f9b-a922-5f6984152150
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/641278
Signature
Bypasses PowerShell execution policy
Multi AV Scanner detection for submitted file
Sigma detected: Dot net compiler compiles file from suspicious location
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 369610 Sample: YLz0kEHUj7.exe Startdate: 16/03/2021 Architecture: WINDOWS Score: 60 39 Multi AV Scanner detection for submitted file 2->39 41 Sigma detected: Dot net compiler compiles file from suspicious location 2->41 8 YLz0kEHUj7.exe 5 2->8         started        process3 signatures4 43 Bypasses PowerShell execution policy 8->43 11 powershell.exe 46 8->11         started        process5 file6 33 C:\Users\user\AppData\...\cufde5wf.cmdline, UTF-8 11->33 dropped 14 csc.exe 11->14         started        17 csc.exe 11->17         started        19 powershell.exe 11->19         started        21 3 other processes 11->21 process7 file8 35 C:\Users\user\AppData\Local\...\cufde5wf.dll, PE32 14->35 dropped 23 cvtres.exe 14->23         started        37 C:\Users\user\AppData\Local\...\wkbk4oew.dll, PE32 17->37 dropped 25 cvtres.exe 17->25         started        27 conhost.exe 19->27         started        29 conhost.exe 21->29         started        31 conhost.exe 21->31         started        process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d53c9d7349bdbee8f73709c263cb08c2ca721365bb0670993b81fe2fd9200bac/
Threat name:
Win64.Trojan.WinGoGoCLR
Create hunting rule
Status:
Malicious
First seen:
2021-03-15 16:19:13 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2u6j242jxw7or5zxbhbghsyiylfhee3fxmdhbgj3qh7c7wjabowa._file
Verdict:
malicious
Similar samples:
106c0169d2464a9efe9ee45c1e7c5863764e6d9fca3809bb249bbb97d3cf3086
ServHelper
1c1cac311f126dd8a0a2b969af40fccbe62c6569fc9c1aea7ee7054f48f1d033
ServHelper
499e3672259c28f6bd35d790c2ec4f52835cfcd46c8ddf279df4b02d4d07d7e5
ServHelper
58e1370fdd747d652f4c8e0dc59188f3dfabb6dfcd3491c6fe4b81c3305d5a46
ServHelper
6f7c097945c1602bbae27e4664004cf2139e66226f54b9499df311bdab804ebb
ServHelper
71599788e1da3359b99ada8c3b84b96a9741c1f68550c09b0345d979cdc4b8a6
ServHelper
a27fa7724da938df040a3e535f2be9cec4d6d93bd4f2e5ec2ba79560f84cb69c
ServHelper
bcc49344ddab6a3271480eafb423ee292ed4b2d32792f1b79ed72db0ad856665
ServHelper
c394b83a255961adb3ec0c8e35b21e05ee432b3c758b25ceac7e3dc3a10486a7
ServHelper
c84d7d17bace5f7ab474440491d7c3aa0be6fabbd5fab86106b10a45e4b97bfc
ServHelper
+ 37 additional samples on MalwareBazaar
Result
Malware family:
servhelper
Create hunting rule
Score:
  10/10
Tags:
family:servhelper backdoor discovery exploit persistence trojan upx
Link:
https://tria.ge/reports/210316-7hmbp5f21e/
Behaviour
Delays execution with timeout.exe
Modifies data under HKEY_USERS
Modifies registry key
Runs net.exe
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Loads dropped DLL
Modifies file permissions
Blocklisted process makes network request
Modifies RDP port number used by Windows
Possible privilege escalation attempt
Sets DLL path for service in the registry
UPX packed file
Grants admin privileges
ServHelper
Malware Config
Dropper Extraction:
https://raw.githubusercontent.com/sqlitey/sqlite/master/speed.ps1
Unpacked files
SH256 hash:
d53c9d7349bdbee8f73709c263cb08c2ca721365bb0670993b81fe2fd9200bac
MD5 hash:
9a0215081854f8e55149f4255b36278d
SHA1 hash:
fd4575dc03089e7825d31c55159ec97d767c07ef
Link:
https://www.unpac.me/results/0b4c3cb5-aff8-4922-8fdc-44bcec9bd740/
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/d53c9d7349bdbee8f73709c263cb08c2ca721365bb0670993b81fe2fd9200bac

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:suspicious_packer_section
Create hunting rule
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/
Rule name:susp_winsvc_upx
Create hunting rule
Author:SBousseaden
Description:broad hunt for any PE exporting ServiceMain API and upx packed
Rule name:win_servhelper_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

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

Web download

ServHelper

Executable exe d53c9d7349bdbee8f73709c263cb08c2ca721365bb0670993b81fe2fd9200bac

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1067735/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/124392/

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