MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec85f413a53709831c4f1774f78d009dcf2f531006484a3b396992703bba2da1. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ec85f413a53709831c4f1774f78d009dcf2f531006484a3b396992703bba2da1
SHA3-384 hash: bb9c4e5f58d1addd3e812043dc8443bf77aa7f9414e772b1f4b1f736e6d8359700993b18d307a35f24bab37b8351af04
SHA1 hash: ea9fbb798fd5287efaff8d8f0ff68f01e02521b4
MD5 hash: 414336afee7e93cb70df4b5f250a01c4
humanhash: music-sweet-nineteen-salami
File name:SecuriteInfo.com.Trojan.MulDrop16.34669.6160.17841
Download: download sample
Signature ServHelper
Create hunting rule
File size:6'342'144 bytes
First seen:2021-03-24 08:46:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4035d2883e01d64f3e7a9dccb1d63af5 (47 x ServHelper, 29 x Vidar, 20 x LummaStealer)
ssdeep 49152:KXmMX9htPyaCK95C3VFDmjV6q0iPK1xdymHdwup770tdpbq5/BfkigKT9DFZujLk:aX9htPyNf9
Threatray 66 similar samples on MalwareBazaar
TLSH CA56E016BCD204FAC57AE170465693A17A723C64C7323BD32E94B66A1BB5FD42E3E310
Reporter SecuriteInfoCom
Tags:ServHelper

Intelligence

File Origin
# of uploads :
1
# of downloads :
963
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Trojan.MulDrop16.34669.6160.17841
Verdict:
No threats detected
Analysis date:
2021-03-24 08:58:49 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/de66f58c-aa64-4d8c-8822-0ce6e6f17779

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.MulDrop16.34669.6160.17841.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the system32 subdirectories
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.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/651858
Signature
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Queries sensitive service information (via WMI, WIN32_SERVICE, often done to detect sandboxes)
Sigma detected: Dot net compiler compiles file from suspicious location
Uses cmd line tools excessively to alter registry or file data
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 374877 Sample: SecuriteInfo.com.Trojan.Mul... Startdate: 24/03/2021 Architecture: WINDOWS Score: 92 44 Antivirus detection for dropped file 2->44 46 Multi AV Scanner detection for dropped file 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 2 other signatures 2->50 8 SecuriteInfo.com.Trojan.MulDrop16.34669.6160.exe 5 2->8         started        process3 signatures4 52 Bypasses PowerShell execution policy 8->52 11 powershell.exe 51 8->11         started        process5 file6 34 C:\Windows\Branding\mediasvc.png, PE32+ 11->34 dropped 36 C:\Windows\Branding\mediasrv.png, PE32+ 11->36 dropped 38 C:\Users\user\AppData\...\5scx51mc.cmdline, UTF-8 11->38 dropped 54 Uses cmd line tools excessively to alter registry or file data 11->54 56 Queries sensitive service information (via WMI, WIN32_SERVICE, often done to detect sandboxes) 11->56 58 Powershell drops PE file 11->58 15 csc.exe 11->15         started        18 csc.exe 11->18         started        20 powershell.exe 11->20         started        22 5 other processes 11->22 signatures7 process8 file9 40 C:\Users\user\AppData\Local\...\5scx51mc.dll, PE32 15->40 dropped 24 cvtres.exe 15->24         started        42 C:\Users\user\AppData\Local\...\hihfmgli.dll, PE32 18->42 dropped 26 cvtres.exe 18->26         started        28 conhost.exe 20->28         started        30 conhost.exe 22->30         started        32 conhost.exe 22->32         started        process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ec85f413a53709831c4f1774f78d009dcf2f531006484a3b396992703bba2da1/
Threat name:
Win64.Trojan.WinGoGoCLR
Create hunting rule
Status:
Malicious
First seen:
2021-03-23 19:15:00 UTC
AV detection:
23 of 48 (47.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=5sc7ie5fg4eyghcpc52ppdiatxhs6uyqazeeuozzngjhao52fwqq._file
Verdict:
malicious
Similar samples:
106c0169d2464a9efe9ee45c1e7c5863764e6d9fca3809bb249bbb97d3cf3086
ServHelper
35b236fbe87c82a8481485fcf00f3a08749e7a7b49bb2adbd6729c72906a1a60
ServHelper
58e1370fdd747d652f4c8e0dc59188f3dfabb6dfcd3491c6fe4b81c3305d5a46
ServHelper
6f7c097945c1602bbae27e4664004cf2139e66226f54b9499df311bdab804ebb
ServHelper
71599788e1da3359b99ada8c3b84b96a9741c1f68550c09b0345d979cdc4b8a6
ServHelper
a27fa7724da938df040a3e535f2be9cec4d6d93bd4f2e5ec2ba79560f84cb69c
ServHelper
b591e73c3ebfe7ba44eb161c3cc1ee7b9a794d4e9b9b9aa4e3936f518e814ceb
ServHelper
bcc49344ddab6a3271480eafb423ee292ed4b2d32792f1b79ed72db0ad856665
ServHelper
c394b83a255961adb3ec0c8e35b21e05ee432b3c758b25ceac7e3dc3a10486a7
ServHelper
c84d7d17bace5f7ab474440491d7c3aa0be6fabbd5fab86106b10a45e4b97bfc
ServHelper
+ 56 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/210324-8ze2qq1ye6/
Behaviour
Modifies data under HKEY_USERS
Modifies registry key
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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:
ec85f413a53709831c4f1774f78d009dcf2f531006484a3b396992703bba2da1
MD5 hash:
414336afee7e93cb70df4b5f250a01c4
SHA1 hash:
ea9fbb798fd5287efaff8d8f0ff68f01e02521b4
Link:
https://www.unpac.me/results/a208d4da-ffde-4d0f-bf2e-0af81ab4da2b/
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/ec85f413a53709831c4f1774f78d009dcf2f531006484a3b396992703bba2da1

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:adonunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:AD on UNIX
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 ec85f413a53709831c4f1774f78d009dcf2f531006484a3b396992703bba2da1

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1087543/
  
Delivery method
Distributed via web download

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