MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 79745c2263c8abe5b916e39e577652c029b5b586e7ccb39ee63ed0fc1568c39d. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 79745c2263c8abe5b916e39e577652c029b5b586e7ccb39ee63ed0fc1568c39d
SHA3-384 hash: 896b078d4821f44a91502069129ccadac0bde92a8ce43a0fe6c50cea8d306452063f6a44d0b65242f24d140f07e64001
SHA1 hash: 8fd9ef3e15b545335c9cf8a16e7d49bdedc7b6fd
MD5 hash: 5e12e56a643c71b913ea60f48f28726d
humanhash: music-idaho-oven-sweet
File name:Filmora-Wondershare-Installer.exe
Download: download sample
Signature ServHelper
Create hunting rule
File size:9'638'000 bytes
First seen:2021-07-21 08:35:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'476 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 196608:+T59AS1bGaVQMnWs30hr5cnoegwYFtu0mrbuYVgJaP70Z:Cf1dGaN30hrWopwYv1CuYBP7
Threatray 149 similar samples on MalwareBazaar
TLSH T1E1A60114547FCC59C4E3EA717BDCB5BAEB9959A3240C74330264A32BCB23794DA0B4E9
dhash icon a659b96260b95ba6 (1 x ServHelper)
Reporter JAMESWT_WT
Tags:exe FilmoraWondershare mainsample ServHelper signed

Code Signing Certificate

Organisation:Google LLC
Issuer:DigiCert Assured ID Code Signing CA-1
Algorithm:sha1WithRSAEncryption
Valid from:2019-11-08T00:00:00Z
Valid to:2022-11-16T12:00:00Z
Serial number: 06aea76bac46a9e8cfe6d29e45aaf033
Intelligence: 16 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 5f2f2840c6e51d17f09334ada05d9dcdd9aeeb11af0ae163816757d539abe3ee
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
1'334
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/172949/
Detection(s):
Win.Packed.Redline-9876022-1
Create hunting rule

Win.Packed.Redline-9879939-1
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:
RedLine stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8bcbce7b-b2d7-4972-8dc7-9c6bd02dc1a2
Result
Threat name:
SERVHELPER
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/819393
Signature
Adds a new user with administrator rights
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Creates a Windows Service pointing to an executable in C:\Windows
Detected SERVHELPER
Detected unpacking (overwrites its own PE header)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
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: Execution from Suspicious Folder
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 dnsIp2 2 Behavior Graph ID: 451804 Sample: Filmora-Wondershare-Installer.exe Startdate: 21/07/2021 Architecture: WINDOWS Score: 100 112 raw.githubusercontent.com 2->112 114 pgf5ga4g4b.cn 2->114 122 Antivirus detection for dropped file 2->122 124 Antivirus / Scanner detection for submitted sample 2->124 126 Multi AV Scanner detection for dropped file 2->126 128 8 other signatures 2->128 13 Filmora-Wondershare-Installer.exe 5 2->13         started        17 cmd.exe 2->17         started        19 cmd.exe 2->19         started        21 3 other processes 2->21 signatures3 process4 file5 106 C:\Users\user\AppData\Local\Temp\ViJoy.exe, PE32 13->106 dropped 108 C:\...\Filmora-Wondershare-Installer.exe.log, ASCII 13->108 dropped 148 Detected unpacking (overwrites its own PE header) 13->148 150 Hides that the sample has been downloaded from the Internet (zone.identifier) 13->150 23 ViJoy.exe 7 13->23         started        27 net.exe 17->27         started        29 conhost.exe 17->29         started        31 net.exe 19->31         started        33 conhost.exe 19->33         started        35 net.exe 21->35         started        37 conhost.exe 21->37         started        39 conhost.exe 21->39         started        41 net.exe 21->41         started        signatures6 process7 file8 94 C:\Users\user\AppData\Roaming\...\exe2.exe, PE32 23->94 dropped 96 C:\Users\user\AppData\Roaming\...\exe1.exe, PE32+ 23->96 dropped 130 Antivirus detection for dropped file 23->130 132 Multi AV Scanner detection for dropped file 23->132 134 Machine Learning detection for dropped file 23->134 43 exe1.exe 4 23->43         started        46 exe2.exe 4 23 23->46         started        50 net1.exe 27->50         started        52 net1.exe 31->52         started        54 net1.exe 35->54         started        signatures9 process10 dnsIp11 144 Multi AV Scanner detection for dropped file 43->144 146 Bypasses PowerShell execution policy 43->146 56 powershell.exe 46 43->56         started        116 gtm-cn-4590x3tmp01.gtm-a2b4.com 47.91.67.36, 49729, 80 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC United States 46->116 118 192.168.2.1 unknown unknown 46->118 120 platform.wondershare.com 46->120 110 C:\Users\Public\Documents\...110FWCHK.exe, PE32 46->110 dropped 60 NFWCHK.exe 6 46->60         started        file12 signatures13 process14 file15 100 C:\Windows\Branding\mediasvc.png, PE32+ 56->100 dropped 102 C:\Windows\Branding\mediasrv.png, PE32+ 56->102 dropped 104 C:\Users\user\AppData\...\lfgec4bn.cmdline, UTF-8 56->104 dropped 136 Uses cmd line tools excessively to alter registry or file data 56->136 138 Queries sensitive service information (via WMI, WIN32_SERVICE, often done to detect sandboxes) 56->138 140 Adds a new user with administrator rights 56->140 142 Powershell drops PE file 56->142 62 powershell.exe 56->62         started        65 reg.exe 56->65         started        67 cmd.exe 56->67         started        71 8 other processes 56->71 69 conhost.exe 60->69         started        signatures16 process17 file18 152 Detected SERVHELPER 62->152 74 conhost.exe 62->74         started        154 Creates a Windows Service pointing to an executable in C:\Windows 65->154 76 cmd.exe 67->76         started        98 C:\Users\user\AppData\Local\...\lfgec4bn.dll, PE32 71->98 dropped 78 cmd.exe 71->78         started        80 cvtres.exe 71->80         started        82 conhost.exe 71->82         started        84 2 other processes 71->84 signatures19 process20 process21 86 net.exe 76->86         started        88 net.exe 78->88         started        process22 90 net1.exe 86->90         started        92 net1.exe 88->92         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/79745c2263c8abe5b916e39e577652c029b5b586e7ccb39ee63ed0fc1568c39d/
Threat name:
ByteCode-MSIL.Trojan.Casdet
Create hunting rule
Status:
Malicious
First seen:
2021-07-20 15:48:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
28 of 46 (60.87%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pf2fyitdzcv6loiw4opfo5ssyau3lnmg47glhhxgh3ipyfliyooq._file
Verdict:
malicious
Similar samples:
10d971c860d4f8ad93b86f47fbc0cd285897769dd60bb68dea4377bb6e7d6f1f
ServHelper
499e3672259c28f6bd35d790c2ec4f52835cfcd46c8ddf279df4b02d4d07d7e5
ServHelper
58514fa7288607858aae17799ded4bb96d5f9b78733ad1ca2cece597d5516d44
ServHelper
6c4aab4c3bd1ba8f77a781d70ecbc1b4c7dfd9d3c7ad60158fb8d35d1d4246e2
ServHelper
9d2a3042c4e2d68df7a39cd7efae7c64f2b7ed5ae507bac9282e154591757724
ServHelper
b436fbb05650df4facc948f49ee619c4825e747c373f2d461d5a1c26b0c7aa15
ServHelper
bac78c78e97c8458437ffcbb31b4a54a141200a8cb656eac2dcab06691bc4a91
ServHelper
d9ec3c5cf92b5b3aa1d59949cf1eafb9c695d35ce9872215ba8b189d40c66823
ServHelper
eed912423954b56dc4ea01f9d3fb1c46ea175be378889fd886e37c09954cfaba
ServHelper
fe40b63a00a7d737baa87f493751a1b92ac782baaef2304b0ae65c5a1cbec58d
ServHelper
+ 139 additional samples on MalwareBazaar
Result
Malware family:
servhelper
Create hunting rule
Score:
  10/10
Tags:
family:servhelper backdoor bootkit discovery exploit persistence trojan upx
Link:
https://tria.ge/reports/210721-gfamdcsznx/
Behaviour
Modifies Internet Explorer settings
Modifies data under HKEY_USERS
Modifies registry class
Modifies registry key
Runs net.exe
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Writes to the Master Boot Record (MBR)
Checks computer location settings
Deletes itself
Loads dropped DLL
Modifies file permissions
Blocklisted process makes network request
Executes dropped EXE
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:
2c32b22249ca820844cb40305e6353e8ca2f52737e5f5ee13f6bb8b36ade7263
MD5 hash:
cc547565785085d77197950305ff88d6
SHA1 hash:
e2d92d4139ff587c9ae02ef00e0579da0a9c896a
Link:
https://www.unpac.me/results/2fc21b0e-67dc-45ea-a7f7-c33e509aae21/
SH256 hash:
555f654fb51e632ba2cf49b865b6de5f5772ffba0229d73021a1c6a6f65dab08
MD5 hash:
03051f3c44a2c8d196c95ea458b0aff4
SHA1 hash:
d19a86e11cccdf978ca2d1455d7026d7879869f7
Link:
https://www.unpac.me/results/2fc21b0e-67dc-45ea-a7f7-c33e509aae21/
SH256 hash:
db61265cfcafee419fb6bb31f5defcd7838bb1935fe61e5285762b350487a8a7
MD5 hash:
bab889c4ccd9fc26b9f73af19e589a6c
SHA1 hash:
b65e4fc26b75553cd787c158c268ba0e3d55cfd7
Link:
https://www.unpac.me/results/2fc21b0e-67dc-45ea-a7f7-c33e509aae21/
SH256 hash:
79745c2263c8abe5b916e39e577652c029b5b586e7ccb39ee63ed0fc1568c39d
MD5 hash:
5e12e56a643c71b913ea60f48f28726d
SHA1 hash:
8fd9ef3e15b545335c9cf8a16e7d49bdedc7b6fd
Link:
https://www.unpac.me/results/2fc21b0e-67dc-45ea-a7f7-c33e509aae21/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/79745c2263c8abe5b916e39e577652c029b5b586e7ccb39ee63ed0fc1568c39d

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:INDICATOR_KB_CERT_06aea76bac46a9e8cfe6d29e45aaf033
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:INDICATOR_KB_CERT_0c15be4a15bb0903c901b1d6c265302f
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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.

  
X
https://twitter.com/D3LabIT/status/1417455234692096030?s=20
Cape
Cape
https://www.capesandbox.com/analysis/172949/

Comments