MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ae1c9d454905ed43654f99b1ea1e8ecc3ae08eb75c3860f46b285ce724ae5e4d. 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 7 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ae1c9d454905ed43654f99b1ea1e8ecc3ae08eb75c3860f46b285ce724ae5e4d
SHA3-384 hash: 3af9d659ecdbcf3b1fa8550add13a968ccfb9b200b8f486be35c9038f73a3f6f95a650d1e7b9ee377eb10f9143f78882
SHA1 hash: ff24cc43998ff99e61b1a838e1d51c4888498935
MD5 hash: 472208d7ba18d4c14b7e90b9db5d6feb
humanhash: mexico-purple-beer-idaho
File name:472208d7ba18d4c14b7e90b9db5d6feb
Download: download sample
Signature ServHelper
Create hunting rule
File size:6'203'392 bytes
First seen:2021-08-14 06:41:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c7269d59926fa4252270f407e4dab043 (45 x Hive, 23 x ServHelper, 22 x CobaltStrike)
ssdeep 49152:awptF+Srb/TkvO90dL3BmAFd4A64nsfJ9KN5/Jf/LnBqOvF319Gh7TF7meaKBdZE:awNxKDmAQQQQQQQQQQQQQ
Threatray 136 similar samples on MalwareBazaar
TLSH T11A56F107BC9464B9C9E9C23289B992A13731B459033977C32F55A6FA2FB77C41E39360
Reporter zbetcheckin
Tags:exe ServHelper

Intelligence

File Origin
# of uploads :
1
# of downloads :
1'288
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
472208d7ba18d4c14b7e90b9db5d6feb
Verdict:
No threats detected
Analysis date:
2021-08-14 06:43:18 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ae982619-5071-4773-8e61-5e14aa372d15

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/179146/
Detection(s):
Win.Malware.Bulz-9847817-0
Create hunting rule

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
Sending a UDP request
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
Creating a file
DNS request
Connection attempt
Sending a custom TCP request
Enabling autorun for a service
Downloading the 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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1383e5cc-e171-4385-b0b8-154fa9bfab2f
Result
Threat name:
SERVHELPER
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/832777
Signature
Adds a new user with administrator rights
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Contains functionality to start a terminal service
Creates a Windows Service pointing to an executable in C:\Windows
Detected SERVHELPER
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Powershell drops PE file
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive service information (via WMI, WIN32_SERVICE, often done to detect sandboxes)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Hurricane Panda Activity
Sigma detected: Suspicious Csc.exe Source File Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Uses cmd line tools excessively to alter registry or file data
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 465208 Sample: bNC3Nw9eOW Startdate: 14/08/2021 Architecture: WINDOWS Score: 100 79 hitnaiguat.xyz 2->79 81 raw.githubusercontent.com 2->81 85 Antivirus detection for dropped file 2->85 87 Multi AV Scanner detection for dropped file 2->87 89 Multi AV Scanner detection for submitted file 2->89 91 6 other signatures 2->91 11 bNC3Nw9eOW.exe 4 2->11         started        14 cmd.exe 2->14         started        16 cmd.exe 2->16         started        18 2 other processes 2->18 signatures3 process4 signatures5 103 Bypasses PowerShell execution policy 11->103 105 Queries memory information (via WMI often done to detect virtual machines) 11->105 20 powershell.exe 65 11->20         started        25 net.exe 14->25         started        27 conhost.exe 14->27         started        29 net.exe 16->29         started        31 conhost.exe 16->31         started        33 conhost.exe 18->33         started        35 net.exe 18->35         started        process6 dnsIp7 83 asbza.cn 206.188.197.227, 49753, 80 DEFENSE-NETUS United States 20->83 73 C:\Windows\Branding\mediasvc.png, PE32+ 20->73 dropped 75 C:\Windows\Branding\mediasrv.png, PE32+ 20->75 dropped 77 C:\Users\user\AppData\...\zgmcn3en.cmdline, UTF-8 20->77 dropped 95 Detected SERVHELPER 20->95 97 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 20->97 99 Uses cmd line tools excessively to alter registry or file data 20->99 101 3 other signatures 20->101 37 reg.exe 20->37         started        40 cmd.exe 20->40         started        42 cmd.exe 20->42         started        48 8 other processes 20->48 44 net1.exe 25->44         started        46 net1.exe 29->46         started        file8 signatures9 process10 file11 93 Creates a Windows Service pointing to an executable in C:\Windows 37->93 51 cmd.exe 40->51         started        53 cmd.exe 42->53         started        71 C:\Users\user\AppData\Local\...\zgmcn3en.dll, PE32 48->71 dropped 55 cvtres.exe 48->55         started        57 conhost.exe 48->57         started        59 conhost.exe 48->59         started        61 2 other processes 48->61 signatures12 process13 process14 63 net.exe 51->63         started        65 net.exe 53->65         started        process15 67 net1.exe 63->67         started        69 net1.exe 65->69         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ae1c9d454905ed43654f99b1ea1e8ecc3ae08eb75c3860f46b285ce724ae5e4d/
Threat name:
ByteCode-MSIL.Trojan.Bingoml
Create hunting rule
Status:
Malicious
First seen:
2021-08-12 22:53:31 UTC
AV detection:
17 of 47 (36.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vyoj2rkjaxwugzkptgy6uhuozq5obdvxlq4gb5dlfbooojfolzgq._file
Verdict:
malicious
Similar samples:
7ca008588561777420954419f28471ffc53dded26af0c640991ecf80de490d99
ServHelper
7dc721c6b633d783562f73d629267da7a16a77b4dae9ab280250c116bdfec591
ServHelper
8779c8ac97c45254bc243e2ee79b436d1a96bc56885dcaa72c4837790b2071fc
ServHelper
9d2a3042c4e2d68df7a39cd7efae7c64f2b7ed5ae507bac9282e154591757724
ServHelper
a5ce80281a88db0129bcdadd338ccf21d07b4b960ea92dc3b1861b7276d354ec
ServHelper
b591e73c3ebfe7ba44eb161c3cc1ee7b9a794d4e9b9b9aa4e3936f518e814ceb
ServHelper
be9c5e5ce6d4544e6bddbd47c26873fe0c33414086824b1d4968a638184a8a7c
ServHelper
f60f32ec899bcb92fd50491a8c32f0548afbd4dc02462dfa373d484b4b161a86
ServHelper
+ 126 additional samples on MalwareBazaar
Result
Malware family:
servhelper
Create hunting rule
Score:
  10/10
Tags:
family:servhelper backdoor discovery exploit persistence suricata trojan upx
Link:
https://tria.ge/reports/210814-12npt8bg76/
Behaviour
Modifies data under HKEY_USERS
Modifies registry key
Modifies system certificate store
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
suricata: ET MALWARE ServHelper CnC Inital Checkin
Malware Config
Dropper Extraction:
https://raw.githubusercontent.com/sqlitey/sqlite/master/speed.ps1
Unpacked files
SH256 hash:
ae1c9d454905ed43654f99b1ea1e8ecc3ae08eb75c3860f46b285ce724ae5e4d
MD5 hash:
472208d7ba18d4c14b7e90b9db5d6feb
SHA1 hash:
ff24cc43998ff99e61b1a838e1d51c4888498935
Link:
https://www.unpac.me/results/a5d54534-0e08-4ae5-97b5-10a540e52a90/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/ae1c9d454905/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.30
Link:
https://yomi.yoroi.company/submissions/ae1c9d454905ed43654f99b1ea1e8ecc3ae08eb75c3860f46b285ce724ae5e4d

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:GoBinTest
Create hunting rule
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:INDICATOR_TOOL_GoCLR
Create hunting rule
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
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 ae1c9d454905ed43654f99b1ea1e8ecc3ae08eb75c3860f46b285ce724ae5e4d

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1532717/
Cape
Cape
https://www.capesandbox.com/analysis/179146/

Comments


Avatar
zbet commented on 2021-08-14 06:41:07 UTC

url : hxxp://45.61.137.117/clr.exe