MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f7c097945c1602bbae27e4664004cf2139e66226f54b9499df311bdab804ebb. 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: 8


Intelligence 8 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6f7c097945c1602bbae27e4664004cf2139e66226f54b9499df311bdab804ebb
SHA3-384 hash: edcea659fc6601693e7777be5b9b6966dd894db6585c624b23f35c3539812e620362bb4c5f9753d07fbb319a2f1881ac
SHA1 hash: b70fe14eef9aa33bd33068514e192f259802c5f1
MD5 hash: d6f9cf363d1cdbf8c076f9198e19df01
humanhash: paris-robert-alanine-burger
File name:SecuriteInfo.com.Variant.Bulz.371365.8514.2555
Download: download sample
Signature ServHelper
Create hunting rule
File size:4'833'280 bytes
First seen:2021-03-06 06:52:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4035d2883e01d64f3e7a9dccb1d63af5 (47 x ServHelper, 20 x LummaStealer, 17 x Rhadamanthys)
ssdeep 49152:3F3GRXN4RslPGEhI5ZXG3tKX7x4wGHp7QkZqDp5L0clkNeFDI7hg2yNKVh8GHEbU:QN4RslPvHk
Threatray 36 similar samples on MalwareBazaar
TLSH 7B26DF42B8D204FAC57EE1388552A36176727C764B363BC72E84B6AA1A75FD42F3D310
Reporter SecuriteInfoCom
Tags:ServHelper

Intelligence

File Origin
# of uploads :
1
# of downloads :
1'055
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Variant.Bulz.371365.8514.2555
Verdict:
No threats detected
Analysis date:
2021-03-06 06:55:52 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/154de2a1-f5cb-43da-b437-817be08f710e

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/122601/
Detection(s):
SecuriteInfo.com.Variant.Bulz.371365.8514.2555.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:
88 / 100
Link:
https://www.joesandbox.com/analysis/630460
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: 364203 Sample: SecuriteInfo.com.Variant.Bu... Startdate: 06/03/2021 Architecture: WINDOWS Score: 88 46 Antivirus detection for dropped file 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 Sigma detected: Dot net compiler compiles file from suspicious location 2->50 52 2 other signatures 2->52 8 SecuriteInfo.com.Variant.Bulz.371365.8514.exe 5 2->8         started        process3 process4 10 powershell.exe 50 8->10         started        file5 40 C:\Windows\Branding\mediasvc.png, PE32+ 10->40 dropped 42 C:\Windows\Branding\mediasrv.png, PE32+ 10->42 dropped 44 C:\Users\user\AppData\...\dc1l3ls4.cmdline, UTF-8 10->44 dropped 54 Uses cmd line tools excessively to alter registry or file data 10->54 56 Queries sensitive service information (via WMI, WIN32_SERVICE, often done to detect sandboxes) 10->56 58 Powershell drops PE file 10->58 14 reg.exe 10->14         started        17 csc.exe 10->17         started        20 csc.exe 10->20         started        22 8 other processes 10->22 signatures6 process7 file8 60 Creates a Windows Service pointing to an executable in C:\Windows 14->60 36 C:\Users\user\AppData\Local\...\dc1l3ls4.dll, PE32 17->36 dropped 24 cvtres.exe 17->24         started        38 C:\Users\user\AppData\Local\...\gt1ymivr.dll, PE32 20->38 dropped 26 cvtres.exe 20->26         started        28 conhost.exe 22->28         started        30 conhost.exe 22->30         started        32 conhost.exe 22->32         started        34 net1.exe 22->34         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6f7c097945c1602bbae27e4664004cf2139e66226f54b9499df311bdab804ebb/
Threat name:
Win64.Trojan.Glupteba
Create hunting rule
Status:
Malicious
First seen:
2021-03-03 09:20:20 UTC
AV detection:
17 of 47 (36.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=n56as6kfyfqcxoxcpzdgiacm6ijz4zrcn5klssm56mi33k4aj25q._file
Verdict:
malicious
Similar samples:
1ac9d42a596c55757b4f37e6291887149a6070bfedb4e27a86cf3cff4d76f2a2
ServHelper
2347cc0db179374f808400368b0a66f1c15e02ad28d2b93ccc26d5aafb9777ca
ServHelper
261603776412fc9028feb04ba71a42c5d6bd99c0e4fbb4610d19e6d649dba700
ServHelper
65a7df8e8927f864975a2fcb3155e02c04303b4c2be035c7f6403b4357df87a4
ServHelper
66a7324753a9e632170b505a8f39315a4a0f1f11dbd727e58c3190482875ba61
ServHelper
6920c00f812e662236cac3fe513f36bd6a6efb7b282e8e3b33b6c8f4caf2ed18
ServHelper
6bfa76f4d768e200ee5f3b1636451814c9d9fc66a9ea4bf8983669f00450accb
ServHelper
978c37092320ed5df2b5d79a7ec9c775d0630e1ae56103a03c4842fdcbe10566
ServHelper
d926fe443c0ceb65e70cd64ac3d18a77d75d039486f1698dbd103c3cda2dff52
ServHelper
ec7aa7fa21bd6b2017df6b1f0043013d6f58a91c1dcf12ad3b8e00db6a187097
ServHelper
+ 26 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery exploit persistence upx
Link:
https://tria.ge/reports/210306-d4llf4b9qn/
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
Malware Config
Dropper Extraction:
https://raw.githubusercontent.com/sqlitey/sqlite/master/speed.ps1
Unpacked files
SH256 hash:
6f7c097945c1602bbae27e4664004cf2139e66226f54b9499df311bdab804ebb
MD5 hash:
d6f9cf363d1cdbf8c076f9198e19df01
SHA1 hash:
b70fe14eef9aa33bd33068514e192f259802c5f1
Link:
https://www.unpac.me/results/b1b9ff9b-7017-4690-a7f0-3a9aaffc76f8/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Glupteba
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6f7c097945c1602bbae27e4664004cf2139e66226f54b9499df311bdab804ebb

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:unixredflags2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:upx_packed
Create hunting rule
Description:UPX packed file
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 6f7c097945c1602bbae27e4664004cf2139e66226f54b9499df311bdab804ebb

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1049812/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/122601/

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