MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5c7e8b5ecf30c04a3a6e3726328c37eccfc8f0656797894d71e2ac7c27c20c9d. 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 6 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5c7e8b5ecf30c04a3a6e3726328c37eccfc8f0656797894d71e2ac7c27c20c9d
SHA3-384 hash: 8c469f47ab58e44d53bbdb7583a7e44e348ece87853e8f8583852e8a3959adc19a6ae8869dc2c2dad0d73be55dcfac2b
SHA1 hash: ffcd59bc747170fcd30032d3ca1da6861330e99c
MD5 hash: 753f0b9b7183051f2f09ccd68d418969
humanhash: mango-cardinal-oranges-earth
File name:753f0b9b7183051f2f09ccd68d418969
Download: download sample
Signature ServHelper
Create hunting rule
File size:6'329'856 bytes
First seen:2021-07-13 12:41:53 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 49152:7WuneWl2wWQJ/x5PqXnzZ2411cEs9c5TP6l6luMnNDvn3EJfErfULoX4HUj/LBIx:7EWl2m/7
Threatray 213 similar samples on MalwareBazaar
TLSH T16E56E112FCE214BAC57AD130895697617B313CA483353BD72EA4B9A92E71BD42F3D324
Reporter zbetcheckin
Tags:exe ServHelper

Intelligence

File Origin
# of uploads :
1
# of downloads :
1'354
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
753f0b9b7183051f2f09ccd68d418969
Verdict:
No threats detected
Analysis date:
2021-07-13 12:54:39 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c2b9e193-56a3-4314-b305-53316435ee1f

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/171380/
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:
go-clr
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/219976b9-d6c1-4255-84e3-b03d1c7283b4
Result
Threat name:
SERVHELPER
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/815706
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 SERVHELPER
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: Hurricane Panda Activity
Sigma detected: Suspicious Csc.exe Source File 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: 448115 Sample: Az45rxsS6y Startdate: 13/07/2021 Architecture: WINDOWS Score: 100 77 Antivirus detection for dropped file 2->77 79 Multi AV Scanner detection for dropped file 2->79 81 Multi AV Scanner detection for submitted file 2->81 83 4 other signatures 2->83 10 Az45rxsS6y.exe 4 2->10         started        13 cmd.exe 2->13         started        15 cmd.exe 2->15         started        17 2 other processes 2->17 process3 signatures4 93 Bypasses PowerShell execution policy 10->93 19 powershell.exe 47 10->19         started        23 net.exe 13->23         started        25 conhost.exe 13->25         started        27 net.exe 15->27         started        29 conhost.exe 15->29         started        31 conhost.exe 17->31         started        process5 file6 67 C:\Windows\Branding\mediasvc.png, PE32+ 19->67 dropped 69 C:\Windows\Branding\mediasrv.png, PE32+ 19->69 dropped 71 C:\Users\user\AppData\...\zaa2yfmb.cmdline, UTF-8 19->71 dropped 85 Detected SERVHELPER 19->85 87 Uses cmd line tools excessively to alter registry or file data 19->87 89 Queries sensitive service information (via WMI, WIN32_SERVICE, often done to detect sandboxes) 19->89 91 2 other signatures 19->91 33 reg.exe 19->33         started        36 cmd.exe 19->36         started        38 cmd.exe 19->38         started        44 8 other processes 19->44 40 net1.exe 23->40         started        42 net1.exe 27->42         started        signatures7 process8 file9 75 Creates a Windows Service pointing to an executable in C:\Windows 33->75 47 cmd.exe 36->47         started        49 cmd.exe 38->49         started        73 C:\Users\user\AppData\Local\...\zaa2yfmb.dll, PE32 44->73 dropped 51 cvtres.exe 44->51         started        53 conhost.exe 44->53         started        55 conhost.exe 44->55         started        57 2 other processes 44->57 signatures10 process11 process12 59 net.exe 47->59         started        61 net.exe 49->61         started        process13 63 net1.exe 59->63         started        65 net1.exe 61->65         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5c7e8b5ecf30c04a3a6e3726328c37eccfc8f0656797894d71e2ac7c27c20c9d/
Threat name:
Win64.Trojan.WinGoGoCLR
Create hunting rule
Status:
Malicious
First seen:
2021-07-09 15:48:20 UTC
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lr7iwxwpgdaeuotog4tdfdbx5th4r4dfm6lystlr4kwhyj6cbsoq._file
Verdict:
malicious
Similar samples:
143cf1724057f9b6a6630656e8735857d6146ff6dd0c2afc736545b46194437c
ServHelper
15e71d5e4b29bbf6f1e97bb6ff2cfdb199fb040746d57443163a5c8fecd745aa
ServHelper
385b465f4265a093e38d831e885221c99ca8a1313d3ca30c4d32f6379d7b5428
ServHelper
4d7bb45f219aaebc5c2745b60879b954a56b58a3f16c5e5c3252143c9b7a3a47
ServHelper
7dc721c6b633d783562f73d629267da7a16a77b4dae9ab280250c116bdfec591
ServHelper
8779c8ac97c45254bc243e2ee79b436d1a96bc56885dcaa72c4837790b2071fc
ServHelper
b591e73c3ebfe7ba44eb161c3cc1ee7b9a794d4e9b9b9aa4e3936f518e814ceb
ServHelper
d9ec3c5cf92b5b3aa1d59949cf1eafb9c695d35ce9872215ba8b189d40c66823
ServHelper
eb02c967fb3feaf5504a78de8a7e0513c2c4e52ddf2243bfbcb10e83954baaad
ServHelper
fe40b63a00a7d737baa87f493751a1b92ac782baaef2304b0ae65c5a1cbec58d
ServHelper
+ 203 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/210713-6tsj1tmhls/
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:
5c7e8b5ecf30c04a3a6e3726328c37eccfc8f0656797894d71e2ac7c27c20c9d
MD5 hash:
753f0b9b7183051f2f09ccd68d418969
SHA1 hash:
ffcd59bc747170fcd30032d3ca1da6861330e99c
Link:
https://www.unpac.me/results/30153959-65e6-4d9e-9bcb-8ac65f0f1b79/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5c7e8b5ecf30c04a3a6e3726328c37eccfc8f0656797894d71e2ac7c27c20c9d

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_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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.

Web download

ServHelper

Executable exe 5c7e8b5ecf30c04a3a6e3726328c37eccfc8f0656797894d71e2ac7c27c20c9d

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1450422/
Cape
Cape
https://www.capesandbox.com/analysis/171380/

Comments


Avatar
zbet commented on 2021-07-13 12:41:53 UTC

url : hxxps://sdfgikjuhgfdqwertyuiokjhgfd.tk/google/googlemap32.exe