MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0da1ef07bcc55be3524bbfc24bddb0540bacf062bca73436d9a821a3cf88e3a7. 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: 0da1ef07bcc55be3524bbfc24bddb0540bacf062bca73436d9a821a3cf88e3a7
SHA3-384 hash: 1607264a9df1cb9edc7d4a09238eb0718c8cee70cb5ab26b0f86bf65f2e9f03553bfe29ab214fd85a7cd2f36c43c9ba2
SHA1 hash: 9d3b455b2b75ce56f850796623273e683cdf492f
MD5 hash: f6da636345f914adca2b8e649d34d72e
humanhash: maryland-black-connecticut-virginia
File name:f6da636345f914adca2b8e649d34d72e.exe
Download: download sample
Signature ServHelper
Create hunting rule
File size:6'347'776 bytes
First seen:2021-03-08 13:49:37 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:BPLciXDmv1e12ul5L5wF/uIWvztiQkefELKy9235LNYYrfehzcdn6R6bU8D9Vj17:jXDmv1eIZa
Threatray 26 similar samples on MalwareBazaar
TLSH B856E016BCE204FAC57EE170955293A17A723CA487323BD72E8476AA1A75FD42F3D310
Reporter abuse_ch
Tags:exe ServHelper

Intelligence

File Origin
# of uploads :
1
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/122780/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.36463574.17741.24253.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Sending a UDP request
Creating a file in the system32 subdirectories
Creating a window
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Using the Windows Management Instrumentation requests
Forced system process termination
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.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/631226
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 submitted file
Powershell drops PE file
Queries sensitive service information (via WMI, WIN32_SERVICE, often done to detect sandboxes)
Sigma detected: Dot net compiler compiles file from suspicious location
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 364581 Sample: QZ9crJlLEx.exe Startdate: 08/03/2021 Architecture: WINDOWS Score: 88 63 Antivirus detection for dropped file 2->63 65 Multi AV Scanner detection for submitted file 2->65 67 Sigma detected: Dot net compiler compiles file from suspicious location 2->67 69 3 other signatures 2->69 10 QZ9crJlLEx.exe 6 2->10         started        13 rdpdr.sys 2->13         started        process3 file4 49 C:\Users\user\AppData\...\QZ9crJlLEx.exe.log, ASCII 10->49 dropped 15 powershell.exe 60 10->15         started        process5 file6 51 C:\Windows\Branding\mediasvc.png, PE32+ 15->51 dropped 53 C:\Windows\Branding\mediasrv.png, PE32+ 15->53 dropped 55 C:\Users\user\AppData\...\0ayqkplq.cmdline, UTF-8 15->55 dropped 57 Queries sensitive service information (via WMI, WIN32_SERVICE, often done to detect sandboxes) 15->57 59 Adds a new user with administrator rights 15->59 61 Powershell drops PE file 15->61 19 reg.exe 15->19         started        22 cmd.exe 15->22         started        24 csc.exe 15->24         started        27 9 other processes 15->27 signatures7 process8 file9 71 Creates a Windows Service pointing to an executable in C:\Windows 19->71 29 cmd.exe 22->29         started        45 C:\Users\user\AppData\Local\...\0ayqkplq.dll, PE32 24->45 dropped 31 cvtres.exe 24->31         started        47 C:\Users\user\AppData\Local\...\vz21hqhd.dll, PE32 27->47 dropped 33 cvtres.exe 27->33         started        35 conhost.exe 27->35         started        37 conhost.exe 27->37         started        39 2 other processes 27->39 signatures10 process11 process12 41 net.exe 29->41         started        process13 43 net1.exe 41->43         started       
Gathering data
Threat name:
ByteCode-MSIL.Adware.RedCap
Create hunting rule
Status:
Malicious
First seen:
2021-03-08 00:18:49 UTC
AV detection:
15 of 28 (53.57%)
Threat level:
  1/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=bwq66b54yvn6guslx7bexxnqkqf2z4dcxsttinwzvaq2ht4i4otq._file
Verdict:
malicious
Similar samples:
0c7168a12e26a0a14b5c31869ea8d859ca9842d9d339fa065a60d753c04e3754
ServHelper
554ece26fded9e9df73b6a06e86e3dab6521a56577303510ee7970e9f3e4585d
ServHelper
65a7df8e8927f864975a2fcb3155e02c04303b4c2be035c7f6403b4357df87a4
ServHelper
66a7324753a9e632170b505a8f39315a4a0f1f11dbd727e58c3190482875ba61
ServHelper
6920c00f812e662236cac3fe513f36bd6a6efb7b282e8e3b33b6c8f4caf2ed18
ServHelper
6bfa76f4d768e200ee5f3b1636451814c9d9fc66a9ea4bf8983669f00450accb
ServHelper
6f7c097945c1602bbae27e4664004cf2139e66226f54b9499df311bdab804ebb
ServHelper
870c7c8a33ecded1784c2dab4d8027d3552f670d4138c049ad5b5ce7686b233d
ServHelper
978c37092320ed5df2b5d79a7ec9c775d0630e1ae56103a03c4842fdcbe10566
ServHelper
ec7aa7fa21bd6b2017df6b1f0043013d6f58a91c1dcf12ad3b8e00db6a187097
ServHelper
+ 16 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery exploit persistence upx
Link:
https://tria.ge/reports/210308-zyykhmgzmj/
Behaviour
Delays execution with timeout.exe
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
Program crash
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
Malware Config
Dropper Extraction:
https://raw.githubusercontent.com/sqlitey/sqlite/master/speed.ps1
Unpacked files
SH256 hash:
0da1ef07bcc55be3524bbfc24bddb0540bacf062bca73436d9a821a3cf88e3a7
MD5 hash:
f6da636345f914adca2b8e649d34d72e
SHA1 hash:
9d3b455b2b75ce56f850796623273e683cdf492f
Link:
https://www.unpac.me/results/935da44f-f6d2-4dae-981a-aa27ec0f43b9/
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/0da1ef07bcc55be3524bbfc24bddb0540bacf062bca73436d9a821a3cf88e3a7

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: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:upx_packed
Create hunting rule
Description:UPX packed file
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 0da1ef07bcc55be3524bbfc24bddb0540bacf062bca73436d9a821a3cf88e3a7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1000963/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/975095/
Cape
Cape
https://www.capesandbox.com/analysis/122780/
  
URLhaus
https://urlhaus.abuse.ch/url/1054686/

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