MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 668cb262f0e7473c0bd4b254463671acc74502e7e45a450ec5421a217cea3671. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 668cb262f0e7473c0bd4b254463671acc74502e7e45a450ec5421a217cea3671
SHA3-384 hash: 4ce39efd9dffad71499f67e759f5bc98c6ed0b640e1e29ab92276312192c016cd2c02487efe08c8c4bedaa434eeda7ec
SHA1 hash: 07a521fdbd2c61aba059a7b4731658d9ea993d06
MD5 hash: 7f18a2b5f73d5a3b257506d2a899409f
humanhash: green-mountain-montana-july
File name:668cb262f0e7473c0bd4b254463671acc74502e7e45a450ec5421a217cea3671
Download: download sample
Signature ServHelper
Create hunting rule
File size:3'243'008 bytes
First seen:2020-11-12 14:34:51 UTC
Last seen:2024-07-24 15:14:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f3f331fbffd5851d39b2d44cb5a11b13 (4 x ServHelper)
ssdeep 98304:5d+PXeN8fD993rb/1Sv+TRLUgHGYnOvrI:5i93/1Sv2HGDI
TLSH 35E53358B3B0C2B8C49767B04045FD665E7A9C8F62B75207FF802A19BC659D0C877B78
Reporter seifreed
Tags:ServHelper

Intelligence

File Origin
# of uploads :
2
# of downloads :
1'038
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Win.Packed.Glupteba-9778594-1
Create hunting rule

Win.Dropper.Glupteba-9781402-0
Create hunting rule

Win.Packed.Generickdz-9785340-0
Create hunting rule

Win.Packed.Emotet-9790742-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Deleting a recently created file
Using the Windows Management Instrumentation requests
Forced system process termination
Creating a file in the Windows subdirectories
Launching the process to interact with network services
Running batch commands
Launching a service
Loading a system driver
Enabling autorun for a service
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:
100 / 100
Link:
https://www.joesandbox.com/analysis/533528
Signature
Adds a new user with administrator rights
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Creates a Windows Service pointing to an executable in C:\Windows
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Machine Learning detection for sample
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
Sigma detected: Suspicious Csc.exe Source File Folder
Uses cmd line tools excessively to alter registry or file data
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 315868 Sample: XYTlQlDvLN Startdate: 13/11/2020 Architecture: WINDOWS Score: 100 71 Antivirus detection for dropped file 2->71 73 Multi AV Scanner detection for dropped file 2->73 75 Multi AV Scanner detection for submitted file 2->75 77 5 other signatures 2->77 10 XYTlQlDvLN.exe 3 2->10         started        14 cmd.exe 2->14         started        16 rdpdr.sys 2->16         started        process3 file4 67 C:\Users\user\AppData\...\get-points.ps1, ASCII 10->67 dropped 87 Detected unpacking (changes PE section rights) 10->87 89 Detected unpacking (overwrites its own PE header) 10->89 18 powershell.exe 60 10->18         started        23 net.exe 14->23         started        25 conhost.exe 14->25         started        signatures5 process6 dnsIp7 69 192.168.2.1 unknown unknown 18->69 59 C:\Windows\Branding\mediasvc.png, PE32+ 18->59 dropped 61 C:\Windows\Branding\mediasrv.png, PE32+ 18->61 dropped 63 C:\Users\user\AppData\...\4eayslg4.cmdline, UTF-8 18->63 dropped 79 Uses cmd line tools excessively to alter registry or file data 18->79 81 Queries sensitive service information (via WMI, WIN32_SERVICE, often done to detect sandboxes) 18->81 83 Adds a new user with administrator rights 18->83 85 Powershell drops PE file 18->85 27 reg.exe 18->27         started        30 cmd.exe 18->30         started        32 cmd.exe 18->32         started        36 8 other processes 18->36 34 net1.exe 23->34         started        file8 signatures9 process10 file11 91 Creates a Windows Service pointing to an executable in C:\Windows 27->91 39 cmd.exe 30->39         started        41 cmd.exe 32->41         started        65 C:\Users\user\AppData\Local\...\4eayslg4.dll, PE32 36->65 dropped 43 cvtres.exe 36->43         started        45 conhost.exe 36->45         started        47 conhost.exe 36->47         started        49 2 other processes 36->49 signatures12 process13 process14 51 net.exe 39->51         started        53 net.exe 41->53         started        process15 55 net1.exe 51->55         started        57 net1.exe 53->57         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/668cb262f0e7473c0bd4b254463671acc74502e7e45a450ec5421a217cea3671/
Threat name:
Win32.Trojan.MintTitirez
Create hunting rule
Status:
Malicious
First seen:
2020-11-12 14:39:23 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m2gleyxq45dtyc6uwjkemntrvtdukaxh4rnekdwfiincc7hkgzyq._file
Verdict:
unknown
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery exploit persistence upx
Link:
https://tria.ge/reports/201112-x9eyx9mbce/
Behaviour
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
Modifies service
Loads dropped DLL
Modifies file permissions
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
Unpacked files
SH256 hash:
668cb262f0e7473c0bd4b254463671acc74502e7e45a450ec5421a217cea3671
MD5 hash:
7f18a2b5f73d5a3b257506d2a899409f
SHA1 hash:
07a521fdbd2c61aba059a7b4731658d9ea993d06
Link:
https://www.unpac.me/results/b6910881-f7f3-4cd8-9cab-8d4a3532ff92/
SH256 hash:
9d999780469f17c767f61155ba7e3ba483b490da6ce5436f78551d9c62d5d51b
MD5 hash:
9cb2344a252e1e4922b194f164475c64
SHA1 hash:
8e15f2d2aa9d8874a867a595ca83d79a25645760
Link:
https://www.unpac.me/results/b6910881-f7f3-4cd8-9cab-8d4a3532ff92/
Please note that we are no longer able to provide a coverage score for Virus Total.

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.

  
Delivery method
Other

Comments