MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eb02c967fb3feaf5504a78de8a7e0513c2c4e52ddf2243bfbcb10e83954baaad. 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 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: eb02c967fb3feaf5504a78de8a7e0513c2c4e52ddf2243bfbcb10e83954baaad
SHA3-384 hash: 246233043a2aaa7baf1def2d76cb02ce98928de143d041d00f5619f7c391a1d18fe0dc3cadcbdf31b6ca1be01546fdc1
SHA1 hash: 562b99cee396d3d22dde68d9de09214dc32a0dd4
MD5 hash: 6774f8a7d95a58ddab16d1c792ec846c
humanhash: nineteen-hot-south-happy
File name:6774f8a7d95a58ddab16d1c792ec846c
Download: download sample
Signature ServHelper
Create hunting rule
File size:4'767'744 bytes
First seen:2021-06-18 08:28:53 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:K8OPYhMTEK3T5eIZCfc2g1KIqspYiB10v03Q3R5j3f/XPxFsfk96U1:K89MTEs4
Threatray 107 similar samples on MalwareBazaar
TLSH 8C26DF12B8E214FAC57EE178845293617AB23C6643323BDB2E94B5691E74FD42F3E314
Reporter zbetcheckin
Tags:exe ServHelper

Intelligence

File Origin
# of uploads :
1
# of downloads :
1'419
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6774f8a7d95a58ddab16d1c792ec846c
Verdict:
No threats detected
Analysis date:
2021-06-18 08:29:53 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f86faa1a-ccdb-428b-87dd-8ceac47808a3

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/166798/
Detection(s):
Win.Malware.Bulz-9847817-0
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/7ee2be6e-4640-4939-bb64-4691760436e3
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/804218
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
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 436629 Sample: 6y6P1Km3Gq Startdate: 18/06/2021 Architecture: WINDOWS Score: 100 50 Antivirus detection for dropped file 2->50 52 Multi AV Scanner detection for dropped file 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 3 other signatures 2->56 9 6y6P1Km3Gq.exe 4 2->9         started        process3 signatures4 58 Bypasses PowerShell execution policy 9->58 12 powershell.exe 47 9->12         started        process5 file6 42 C:\Windows\Branding\mediasvc.png, PE32+ 12->42 dropped 44 C:\Windows\Branding\mediasrv.png, PE32+ 12->44 dropped 46 C:\Users\user\AppData\...\u40u0ou2.cmdline, UTF-8 12->46 dropped 60 Uses cmd line tools excessively to alter registry or file data 12->60 62 Queries sensitive service information (via WMI, WIN32_SERVICE, often done to detect sandboxes) 12->62 64 Adds a new user with administrator rights 12->64 66 Powershell drops PE file 12->66 16 reg.exe 12->16         started        19 csc.exe 12->19         started        22 cmd.exe 12->22         started        24 7 other processes 12->24 signatures7 process8 file9 48 Creates a Windows Service pointing to an executable in C:\Windows 16->48 40 C:\Users\user\AppData\Local\...\u40u0ou2.dll, PE32 19->40 dropped 26 cvtres.exe 19->26         started        28 cmd.exe 22->28         started        30 conhost.exe 24->30         started        32 conhost.exe 24->32         started        34 conhost.exe 24->34         started        36 net1.exe 24->36         started        signatures10 process11 process12 38 net.exe 28->38         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/eb02c967fb3feaf5504a78de8a7e0513c2c4e52ddf2243bfbcb10e83954baaad/
Threat name:
Win64.Trojan.WinGoGoCLR
Create hunting rule
Status:
Malicious
First seen:
2021-06-16 15:58:09 UTC
AV detection:
15 of 29 (51.72%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5mbmsz73h7vpkuckpdpiu7qfcpbmjzjn34rehp54wehihfklvkwq._file
Verdict:
malicious
Similar samples:
143cf1724057f9b6a6630656e8735857d6146ff6dd0c2afc736545b46194437c
ServHelper
2c5105d428486ab9bd43df850f2b74e9250769976662bc9937128ce0ff6257b0
ServHelper
385b465f4265a093e38d831e885221c99ca8a1313d3ca30c4d32f6379d7b5428
ServHelper
3fb2264cea79f2a81e87bb20db95fd812a32fd8cd3feff546c280ecd7911be0c
ServHelper
4d7bb45f219aaebc5c2745b60879b954a56b58a3f16c5e5c3252143c9b7a3a47
ServHelper
6eca26fcfabbb12c6a37eb689de222e75b31574dd25e7fd3d8b446d700c40133
ServHelper
857ddc8de567afa19f5bc9236f6cf3681e46919530f90acc25ff36112564432c
ServHelper
9d2a3042c4e2d68df7a39cd7efae7c64f2b7ed5ae507bac9282e154591757724
ServHelper
c8259fbe6995239c22a918f08e6cde30c181a725e9a1c379adbef5ecfbd35d63
ServHelper
d8d3c3800a157b2b6efa4fd9f0e07901a404f8d19d3e7163f4ae31776ff7a3a2
ServHelper
+ 97 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/210618-dz577wl6dj/
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:
eb02c967fb3feaf5504a78de8a7e0513c2c4e52ddf2243bfbcb10e83954baaad
MD5 hash:
6774f8a7d95a58ddab16d1c792ec846c
SHA1 hash:
562b99cee396d3d22dde68d9de09214dc32a0dd4
Link:
https://www.unpac.me/results/4354ffb0-c9d5-4f02-826e-f75826f26c04/
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/eb02c967fb3feaf5504a78de8a7e0513c2c4e52ddf2243bfbcb10e83954baaad

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
Create hunting rule
Author:Tim Brown @timb_machine
Description:AD on UNIX
Rule name:Glasses
Create hunting rule
Author:Seth Hardy
Description:Glasses family
Rule name:GlassesCode
Create hunting rule
Author:Seth Hardy
Description:Glasses code features
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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
Rule name:suspicious_packer_section
Create hunting rule
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/
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 eb02c967fb3feaf5504a78de8a7e0513c2c4e52ddf2243bfbcb10e83954baaad

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1375520/
Cape
Cape
https://www.capesandbox.com/analysis/166798/

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