MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aefb4a2472f0517d58cae7e5e0c9c51b4e36b39f6096dbffc6b8cc18d0be7175. 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 9 File information Comments

SHA256 hash: aefb4a2472f0517d58cae7e5e0c9c51b4e36b39f6096dbffc6b8cc18d0be7175
SHA3-384 hash: 4b7bc7de552b879d265a1d34a1d45f3ff81f8b2cdcebbb34a66b55384a50535f3d14dfbfb310aa5978a2de984c2a7ed4
SHA1 hash: 1111e864f3e9d2e6879c5179c4136638b05b67c9
MD5 hash: 211ca7c8d5fd20f7dcaebdbe354662be
humanhash: muppet-island-massachusetts-saturn
File name:5t6yujh.exe
Download: download sample
Signature ServHelper
File size:6'024'192 bytes
First seen:2021-10-10 20:54:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c7269d59926fa4252270f407e4dab043 (46 x Hive, 23 x ServHelper, 22 x CobaltStrike)
ssdeep 49152:sr/U2Wrb/T/vO90dL3BmAFd4A64nsfJ1gBO55+1TEf1q7NOVuZnsm/QBrkdL+DLk:srDnOOWmAQQQQQQQQQQQQQ
Threatray 205 similar samples on MalwareBazaar
TLSH T153560103BC9164B8C5E9C33289B592913731B899073537C72F95A6BA2FB77C01E79368
Reporter benkow_
Tags:exe ServHelper

Intelligence


File Origin
# of uploads :
1
# of downloads :
1'204
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5t6yujh.exe
Verdict:
No threats detected
Analysis date:
2021-10-10 20:56:58 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Forced system process termination
Creating a file in the Windows subdirectories
Creating a file in the system32 directory
Launching the process to interact with network services
Running batch commands
Launching a service
Loading a system driver
Modifying a system file
Creating a file in the system32 subdirectories
Moving a file to the Windows subdirectory
Creating a file
Creating a service
DNS request
Connection attempt
Sending a custom TCP request
Enabling autorun for a service
Downloading the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
monero
Threat name:
Win64.Trojan.WinGoGoCLR
Status:
Malicious
First seen:
2021-10-09 08:22:19 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Result
Malware family:
servhelper
Score:
  10/10
Tags:
family:servhelper backdoor discovery exploit persistence trojan upx
Behaviour
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
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:adonunix2
Author:Tim Brown @timb_machine
Description:AD on UNIX
Rule name:GoBinTest
Rule name:GoBinTest
Rule name:golang
Rule name:golang
Rule name:INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File
Author:ditekSHen
Description:Detects executables containing bas64 encoded gzip files
Rule name:INDICATOR_TOOL_GoCLR
Author:ditekSHen
Description:Detects binaries utilizing Go-CLR for hosting the CLR in a Go process and using it to execute a DLL from disk or an assembly from memory
Rule name:susp_winsvc_upx
Author:SBousseaden
Description:broad hunt for any PE exporting ServiceMain API and upx packed
Rule name:win_servhelper_auto
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 aefb4a2472f0517d58cae7e5e0c9c51b4e36b39f6096dbffc6b8cc18d0be7175

(this sample)

  
Delivery method
Distributed via web download

Comments