MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9d9d5a0deb68bdd7c04d6507e3823711d08d9d8482de8e0a4a5b8086763f84ff. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9d9d5a0deb68bdd7c04d6507e3823711d08d9d8482de8e0a4a5b8086763f84ff
SHA3-384 hash: 8522f682d303d675872599e4eca8ffb3331e5c84bfe38867e8ff959b88ef07838d2f8d0b3ef25c0c13c6ac4565a969a8
SHA1 hash: 9fd7e6d626bf0f135d54a7af624823b6db564ab9
MD5 hash: 8d651d0aee1c54e03a446190bd5bca06
humanhash: sad-oscar-nineteen-charlie
File name:SecuriteInfo.com.Variant.Bulz.386265.32340.22840
Download: download sample
Signature ServHelper
Create hunting rule
File size:6'342'144 bytes
First seen:2021-03-27 00:39:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4035d2883e01d64f3e7a9dccb1d63af5 (47 x ServHelper, 30 x Vidar, 20 x LummaStealer)
ssdeep 49152:NnNfXNwcOi7jcQ5+KZQM1x0mAInIYGM9G4M17CPjfBVuDItrJMLe8EYnHHX/FLor:DXNwcOivYy
Threatray 78 similar samples on MalwareBazaar
TLSH 6456E112BCD204FAC17AE170855693A176713CA487367BD32E94B5AA1B79FE42F3E310
Reporter SecuriteInfoCom
Tags:ServHelper

Intelligence

File Origin
# of uploads :
1
# of downloads :
1'745
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://91.212.150.11/drup.exe
Verdict:
No threats detected
Analysis date:
2021-03-26 21:56:58 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/394a80e3-5ae8-4693-be86-900a77863b5e

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/127222/
Detection(s):
SecuriteInfo.com.Variant.Bulz.386265.32340.22840.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file in the system32 subdirectories
Sending a UDP request
Creating a window
Creating a file in the %temp% directory
Creating a process with a hidden window
Deleting a recently created file
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/cb66e1b9-96ad-4199-bb84-72b1b887c831
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/655675
Signature
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Creates a Windows Service pointing to an executable in C:\Windows
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: 376768 Sample: SecuriteInfo.com.Variant.Bu... Startdate: 27/03/2021 Architecture: WINDOWS Score: 88 65 Antivirus detection for dropped file 2->65 67 Multi AV Scanner detection for submitted file 2->67 69 Sigma detected: Dot net compiler compiles file from suspicious location 2->69 71 Yara detected Costura Assembly Loader 2->71 10 SecuriteInfo.com.Variant.Bulz.386265.32340.exe 5 2->10         started        13 rdpdr.sys 2->13         started        process3 signatures4 75 Bypasses PowerShell execution policy 10->75 15 powershell.exe 52 10->15         started        process5 file6 53 C:\Windows\Branding\mediasvc.png, PE32+ 15->53 dropped 55 C:\Windows\Branding\mediasrv.png, PE32+ 15->55 dropped 57 C:\Users\user\AppData\...\rovrx0ii.cmdline, UTF-8 15->57 dropped 59 Uses cmd line tools excessively to alter registry or file data 15->59 61 Queries sensitive service information (via WMI, WIN32_SERVICE, often done to detect sandboxes) 15->61 63 Powershell drops PE file 15->63 19 reg.exe 15->19         started        22 csc.exe 15->22         started        25 cmd.exe 15->25         started        27 9 other processes 15->27 signatures7 process8 file9 73 Creates a Windows Service pointing to an executable in C:\Windows 19->73 49 C:\Users\user\AppData\Local\...\rovrx0ii.dll, PE32 22->49 dropped 29 cvtres.exe 22->29         started        31 conhost.exe 22->31         started        33 cmd.exe 25->33         started        51 C:\Users\user\AppData\Local\...\ng4hifms.dll, PE32 27->51 dropped 35 cmd.exe 27->35         started        37 cvtres.exe 27->37         started        39 conhost.exe 27->39         started        41 2 other processes 27->41 signatures10 process11 process12 43 net.exe 33->43         started        45 net.exe 35->45         started        process13 47 net1.exe 43->47         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9d9d5a0deb68bdd7c04d6507e3823711d08d9d8482de8e0a4a5b8086763f84ff/
Threat name:
Win64.Trojan.WinGoGoCLR
Create hunting rule
Status:
Malicious
First seen:
2021-03-26 23:28:14 UTC
AV detection:
16 of 29 (55.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=twovudplnc65pqcnmud6harxchii3hmeqlpi4cskloaim5r7qt7q._file
Verdict:
malicious
Similar samples:
106c0169d2464a9efe9ee45c1e7c5863764e6d9fca3809bb249bbb97d3cf3086
ServHelper
1780d38ef73129177134042720cfc526fe012760f406e9e030d8d5fbbdfb7828
ServHelper
1c1cac311f126dd8a0a2b969af40fccbe62c6569fc9c1aea7ee7054f48f1d033
ServHelper
499e3672259c28f6bd35d790c2ec4f52835cfcd46c8ddf279df4b02d4d07d7e5
ServHelper
5090fa74f83368086c1d197dcd28e51f8b36cd5d2c18e9a964d925a445ea0066
ServHelper
706a3b4438e7b883d8c3cd66ffabfbb3e3495b3b7c6f9b48adf7a5c8cdd0c3c1
ServHelper
a27fa7724da938df040a3e535f2be9cec4d6d93bd4f2e5ec2ba79560f84cb69c
ServHelper
a2a7e43ce1a853842ecb2bdb665b180119d539d56ce2c2eab1a54d098cc92edd
ServHelper
c394b83a255961adb3ec0c8e35b21e05ee432b3c758b25ceac7e3dc3a10486a7
ServHelper
eed912423954b56dc4ea01f9d3fb1c46ea175be378889fd886e37c09954cfaba
ServHelper
+ 68 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/210327-1s4kwv9nen/
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:
9d9d5a0deb68bdd7c04d6507e3823711d08d9d8482de8e0a4a5b8086763f84ff
MD5 hash:
8d651d0aee1c54e03a446190bd5bca06
SHA1 hash:
9fd7e6d626bf0f135d54a7af624823b6db564ab9
Link:
https://www.unpac.me/results/ad4dab1b-ea1b-46a8-8de4-00812ea87241/
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/9d9d5a0deb68bdd7c04d6507e3823711d08d9d8482de8e0a4a5b8086763f84ff

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 9d9d5a0deb68bdd7c04d6507e3823711d08d9d8482de8e0a4a5b8086763f84ff

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/127222/
  
URLhaus
https://urlhaus.abuse.ch/url/1093764/
  
Delivery method
Distributed via web download

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