MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6c4aab4c3bd1ba8f77a781d70ecbc1b4c7dfd9d3c7ad60158fb8d35d1d4246e2. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6c4aab4c3bd1ba8f77a781d70ecbc1b4c7dfd9d3c7ad60158fb8d35d1d4246e2
SHA3-384 hash: 086f7fbb0b26b8526163d9d164f0d08d839f3c2fe31e5fb5fefb35e01a0e4845e86ef3262053be96590f6d4bab435607
SHA1 hash: 2b96f0d568128240d0c53b2a191467fde440fd93
MD5 hash: eaee663dfeb2efcd9ec669f5622858e2
humanhash: california-early-august-fanta
File name:exe1.bin
Download: download sample
Signature ServHelper
Create hunting rule
File size:4'777'984 bytes
First seen:2021-07-21 08:33:55 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:U8+7QhuKuy4ab57x03AFPd96gUyeBW51fN4AsYfW4sAMnB4jt40bjqkNQU1:U8puFyft
Threatray 230 similar samples on MalwareBazaar
TLSH T18326D012BCE204FAC57AE138845693617A723C6643327BD72E94B5692E75FE02F3E314
dhash icon a658b96260b95ba6 (1 x ServHelper)
Reporter JAMESWT_WT
Tags:exe FilmoraWondershare go ServHelper

Intelligence

File Origin
# of uploads :
1
# of downloads :
1'323
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Filmora-Wondershare-Installer.exe
Verdict:
Suspicious activity
Analysis date:
2021-07-20 08:56:36 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/09249f23-183c-4402-afc9-49a9467178fc

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/172947/
Detection(s):
Win.Malware.Bulz-9847817-0
Create hunting rule

Win.Malware.ServHelper-9874966-1
Create hunting rule

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:
Raccoon Stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6927b07f-f838-478f-b74f-0676679425af
Result
Threat name:
SERVHELPER
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/819392
Signature
Adds a new user with administrator rights
Antivirus detection for dropped file
Antivirus detection for URL or domain
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 domain / URL
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)
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
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 451802 Sample: exe1.bin Startdate: 21/07/2021 Architecture: WINDOWS Score: 100 83 Multi AV Scanner detection for domain / URL 2->83 85 Antivirus detection for URL or domain 2->85 87 Antivirus detection for dropped file 2->87 89 8 other signatures 2->89 10 exe1.exe 5 2->10         started        14 cmd.exe 2->14         started        16 cmd.exe 2->16         started        18 2 other processes 2->18 process3 file4 79 C:\Users\user\AppData\Local\...\exe1.exe.log, ASCII 10->79 dropped 103 Bypasses PowerShell execution policy 10->103 20 powershell.exe 67 10->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        signatures5 process6 dnsIp7 81 45.61.136.223, 49734, 80 AS40676US United States 20->81 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\...\31ae2cpn.cmdline, UTF-8 20->77 dropped 95 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 20->95 97 Uses cmd line tools excessively to alter registry or file data 20->97 99 Queries sensitive service information (via WMI, WIN32_SERVICE, often done to detect sandboxes) 20->99 101 2 other signatures 20->101 37 powershell.exe 20->37         started        40 reg.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 91 Detected SERVHELPER 37->91 51 conhost.exe 37->51         started        93 Creates a Windows Service pointing to an executable in C:\Windows 40->93 53 cmd.exe 42->53         started        71 C:\Users\user\AppData\Local\...\31ae2cpn.dll, PE32 48->71 dropped 55 cmd.exe 48->55         started        57 cvtres.exe 48->57         started        59 conhost.exe 48->59         started        61 2 other processes 48->61 signatures12 process13 process14 63 net.exe 53->63         started        65 net.exe 55->65         started        process15 67 net1.exe 63->67         started        69 net1.exe 65->69         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6c4aab4c3bd1ba8f77a781d70ecbc1b4c7dfd9d3c7ad60158fb8d35d1d4246e2/
Threat name:
Win64.Trojan.CobaltStrike
Create hunting rule
Status:
Malicious
First seen:
2021-07-20 20:06:08 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
20 of 46 (43.48%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nrfkwtb32g5i655hqhlq5s6bwtd57woty6wwafmpxdjv2hkci3ra._file
Verdict:
malicious
Similar samples:
1555f744c779e3ce93f92b454ad2092e136622c39c21eca20125dd79cdf8fb94
ServHelper
2142824c415eb4f05facc471942840e5065aa41b322f36dac198d30d00e8b6fc
ServHelper
7dc721c6b633d783562f73d629267da7a16a77b4dae9ab280250c116bdfec591
ServHelper
cfdb155368f72aed83e715260f1dd63922a25ce4e6d558941f94cb4a06357994
ServHelper
d9ec3c5cf92b5b3aa1d59949cf1eafb9c695d35ce9872215ba8b189d40c66823
ServHelper
eb02c967fb3feaf5504a78de8a7e0513c2c4e52ddf2243bfbcb10e83954baaad
ServHelper
fe40b63a00a7d737baa87f493751a1b92ac782baaef2304b0ae65c5a1cbec58d
ServHelper
fe65170a6f6cd5ba0df997262bca40350b650067db206bc83bfaf80da94bba9e
ServHelper
+ 220 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/210721-lw1vgqd7b6/
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
Unpacked files
SH256 hash:
6c4aab4c3bd1ba8f77a781d70ecbc1b4c7dfd9d3c7ad60158fb8d35d1d4246e2
MD5 hash:
eaee663dfeb2efcd9ec669f5622858e2
SHA1 hash:
2b96f0d568128240d0c53b2a191467fde440fd93
Link:
https://www.unpac.me/results/fe6f99de-ef77-4576-8f0c-928b7f31ed11/
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/6c4aab4c3bd1ba8f77a781d70ecbc1b4c7dfd9d3c7ad60158fb8d35d1d4246e2

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: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

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
X
https://twitter.com/D3LabIT/status/1417455234692096030?s=20
Cape
Cape
https://www.capesandbox.com/analysis/172947/

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