MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fe40b63a00a7d737baa87f493751a1b92ac782baaef2304b0ae65c5a1cbec58d. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fe40b63a00a7d737baa87f493751a1b92ac782baaef2304b0ae65c5a1cbec58d
SHA3-384 hash: c1431d703e389c90dac95f59130a28c1624df40b6b86013db7a1e1b7d08f21886f8f98f233a5142a39994230e4cbd6d8
SHA1 hash: 5f89aed32a0039773357216efe138dd6baef27bf
MD5 hash: 04c08c702330905419267ac490b9850d
humanhash: lake-harry-west-ack
File name:04c08c702330905419267ac490b9850d.exe
Download: download sample
Signature ServHelper
Create hunting rule
File size:4'769'792 bytes
First seen:2021-06-29 07:04:31 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:a80Ik+hmJypV65Vsche+0wkqwhNavd/7jFIqIWmsZpj4JONWVBSVSPVbBvK0bkI6:a8zmJyra
Threatray 164 similar samples on MalwareBazaar
TLSH FF26D016BCE214FAC57AE238845693617A323C6643323BD72E94B5692E75FD02F3E314
Reporter abuse_ch
Tags:exe ServHelper

Intelligence

File Origin
# of uploads :
1
# of downloads :
1'422
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
04c08c702330905419267ac490b9850d.exe
Verdict:
No threats detected
Analysis date:
2021-06-29 07:18:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4662a13e-720e-4b97-87e3-d34dc21d5f27

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/168708/
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/aa3fed4e-748b-4f19-b83f-a91b621e4520
Result
Threat name:
SERVHELPER
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/809194
Signature
Adds a new user with administrator rights
Antivirus detection for dropped file
Antivirus detection for URL or domain
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)
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
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: 441604 Sample: iTUmTokwxf.exe Startdate: 29/06/2021 Architecture: WINDOWS Score: 100 50 Antivirus detection for URL or domain 2->50 52 Antivirus detection for dropped file 2->52 54 Multi AV Scanner detection for dropped file 2->54 56 4 other signatures 2->56 8 iTUmTokwxf.exe 4 2->8         started        process3 signatures4 58 Bypasses PowerShell execution policy 8->58 11 powershell.exe 68 8->11         started        process5 dnsIp6 46 45.61.136.223, 49730, 80 AS40676US United States 11->46 40 C:\Windows\Branding\mediasvc.png, PE32+ 11->40 dropped 42 C:\Windows\Branding\mediasrv.png, PE32+ 11->42 dropped 44 C:\Users\user\AppData\...\ciman2rp.cmdline, UTF-8 11->44 dropped 60 Detected SERVHELPER 11->60 62 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 11->62 64 Uses cmd line tools excessively to alter registry or file data 11->64 66 3 other signatures 11->66 16 reg.exe 11->16         started        19 csc.exe 11->19         started        22 powershell.exe 11->22         started        24 7 other processes 11->24 file7 signatures8 process9 file10 48 Creates a Windows Service pointing to an executable in C:\Windows 16->48 38 C:\Users\user\AppData\Local\...\ciman2rp.dll, PE32 19->38 dropped 26 cvtres.exe 19->26         started        28 conhost.exe 22->28         started        30 conhost.exe 24->30         started        32 conhost.exe 24->32         started        34 net1.exe 24->34         started        36 cmd.exe 24->36         started        signatures11 process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fe40b63a00a7d737baa87f493751a1b92ac782baaef2304b0ae65c5a1cbec58d/
Threat name:
Win64.Trojan.WinGoGoCLR
Create hunting rule
Status:
Malicious
First seen:
2021-06-28 20:45:24 UTC
AV detection:
16 of 29 (55.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7zalmoqau7ltpovip5etounbxevmpav2v3zdasyk4zofuhf6ywgq._file
Verdict:
malicious
Similar samples:
0d6e106e13ca046d0f19c9d0e9542f9142c5a9172b2cf9e2e764519f72514d9b
ServHelper
1555f744c779e3ce93f92b454ad2092e136622c39c21eca20125dd79cdf8fb94
ServHelper
15e71d5e4b29bbf6f1e97bb6ff2cfdb199fb040746d57443163a5c8fecd745aa
ServHelper
385b465f4265a093e38d831e885221c99ca8a1313d3ca30c4d32f6379d7b5428
ServHelper
4d7bb45f219aaebc5c2745b60879b954a56b58a3f16c5e5c3252143c9b7a3a47
ServHelper
7dc721c6b633d783562f73d629267da7a16a77b4dae9ab280250c116bdfec591
ServHelper
9d2a3042c4e2d68df7a39cd7efae7c64f2b7ed5ae507bac9282e154591757724
ServHelper
e93ad362b1d92779ef40523def774c76cb59ee9bba560f88679063404a5999e9
ServHelper
ea90f2f71597051b8c34698de10bb1ce8ed996c65654fd5fdcb5440e18c716d4
ServHelper
eb02c967fb3feaf5504a78de8a7e0513c2c4e52ddf2243bfbcb10e83954baaad
ServHelper
+ 154 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/210629-bvkzrl7x8s/
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:
fe40b63a00a7d737baa87f493751a1b92ac782baaef2304b0ae65c5a1cbec58d
MD5 hash:
04c08c702330905419267ac490b9850d
SHA1 hash:
5f89aed32a0039773357216efe138dd6baef27bf
Link:
https://www.unpac.me/results/fe9e07f5-3a15-4581-9a3a-b2c71559ee27/
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/fe40b63a00a7d737baa87f493751a1b92ac782baaef2304b0ae65c5a1cbec58d

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: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_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 fe40b63a00a7d737baa87f493751a1b92ac782baaef2304b0ae65c5a1cbec58d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1404524/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/168708/

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