MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eed912423954b56dc4ea01f9d3fb1c46ea175be378889fd886e37c09954cfaba. 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 1 YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: eed912423954b56dc4ea01f9d3fb1c46ea175be378889fd886e37c09954cfaba
SHA3-384 hash: 5578f305d06ef8e93b8d9a0119587d116dd49829d59acf156f55f159f3475e6fef7f06de598751d9ac0a7228b32ccc8e
SHA1 hash: 61f58215d6ce25aaa1addd664e8346a7fa540275
MD5 hash: e66a9d6480722e985711144244ae1697
humanhash: spring-one-west-michigan
File name:e66a9d6480722e985711144244ae1697.exe
Download: download sample
Signature ServHelper
Create hunting rule
File size:6'347'264 bytes
First seen:2021-03-25 13:01:39 UTC
Last seen:2021-03-25 14:34:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 4035d2883e01d64f3e7a9dccb1d63af5 (47 x ServHelper, 20 x LummaStealer, 17 x Rhadamanthys)
ssdeep 49152:euEIjXaBqQ0eiD1mUp5CETdPKk1m31l0bDG+535AWM2BTyQg+LhrlU7PhEGBt8S7:xXawQ01kdq
Threatray 73 similar samples on MalwareBazaar
TLSH 3C56E112BCD204FAC1BAE17485569361BA713CA487323BD72F90B6AA1A75FD42F3D314
Reporter abuse_ch
Tags:exe ServHelper


Avatar
abuse_ch
ServHelper C2:
http://108.170.27.74:40355/

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://108.170.27.74:40355/ https://threatfox.abuse.ch/ioc/5293/

Intelligence

File Origin
# of uploads :
2
# of downloads :
1'675
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e66a9d6480722e985711144244ae1697.exe
Verdict:
No threats detected
Analysis date:
2021-03-25 13:04:22 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/39208841-5cf6-489a-a839-e5cf20697141

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.MulDrop16.30892.31881.7846.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
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:
100 / 100
Link:
https://www.joesandbox.com/analysis/653914
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: Dot net compiler compiles file from suspicious location
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: 375896 Sample: EQOOvg6mlY.exe Startdate: 25/03/2021 Architecture: WINDOWS Score: 100 82 Antivirus detection for dropped file 2->82 84 Multi AV Scanner detection for dropped file 2->84 86 Multi AV Scanner detection for submitted file 2->86 88 2 other signatures 2->88 10 EQOOvg6mlY.exe 6 2->10         started        14 cmd.exe 2->14         started        16 cmd.exe 2->16         started        18 2 other processes 2->18 process3 file4 78 C:\Users\user\AppData\...QOOvg6mlY.exe.log, ASCII 10->78 dropped 98 Bypasses PowerShell execution policy 10->98 20 powershell.exe 59 10->20         started        24 net.exe 14->24         started        26 conhost.exe 14->26         started        28 net.exe 16->28         started        30 conhost.exe 16->30         started        signatures5 process6 file7 72 C:\Windows\Branding\mediasvc.png, PE32+ 20->72 dropped 74 C:\Windows\Branding\mediasrv.png, PE32+ 20->74 dropped 76 C:\Users\user\AppData\...\kk0n3gth.cmdline, UTF-8 20->76 dropped 90 Uses cmd line tools excessively to alter registry or file data 20->90 92 Queries sensitive service information (via WMI, WIN32_SERVICE, often done to detect sandboxes) 20->92 94 Adds a new user with administrator rights 20->94 96 Powershell drops PE file 20->96 32 reg.exe 20->32         started        35 csc.exe 20->35         started        38 cmd.exe 20->38         started        44 11 other processes 20->44 40 net1.exe 24->40         started        42 net1.exe 28->42         started        signatures8 process9 file10 80 Creates a Windows Service pointing to an executable in C:\Windows 32->80 68 C:\Users\user\AppData\Local\...\jwrvx0mj.dll, PE32 35->68 dropped 46 cmd.exe 35->46         started        48 cvtres.exe 35->48         started        50 cmd.exe 38->50         started        70 C:\Users\user\AppData\Local\...\kk0n3gth.dll, PE32 44->70 dropped 52 cvtres.exe 44->52         started        54 conhost.exe 44->54         started        56 conhost.exe 44->56         started        58 2 other processes 44->58 signatures11 process12 process13 60 net.exe 46->60         started        62 net.exe 50->62         started        process14 64 net1.exe 60->64         started        66 net1.exe 62->66         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/eed912423954b56dc4ea01f9d3fb1c46ea175be378889fd886e37c09954cfaba/
Threat name:
ByteCode-MSIL.Trojan.WinGoGoCLR
Create hunting rule
Status:
Malicious
First seen:
2021-03-15 07:36:05 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=53mreqrzks2w3rhkah45h6y4i3vbow7dpcej7weg4n6atfkm7k5a._file
Verdict:
malicious
Similar samples:
106c0169d2464a9efe9ee45c1e7c5863764e6d9fca3809bb249bbb97d3cf3086
ServHelper
1780d38ef73129177134042720cfc526fe012760f406e9e030d8d5fbbdfb7828
ServHelper
1c1cac311f126dd8a0a2b969af40fccbe62c6569fc9c1aea7ee7054f48f1d033
ServHelper
499e3672259c28f6bd35d790c2ec4f52835cfcd46c8ddf279df4b02d4d07d7e5
ServHelper
58e1370fdd747d652f4c8e0dc59188f3dfabb6dfcd3491c6fe4b81c3305d5a46
ServHelper
6f7c097945c1602bbae27e4664004cf2139e66226f54b9499df311bdab804ebb
ServHelper
706a3b4438e7b883d8c3cd66ffabfbb3e3495b3b7c6f9b48adf7a5c8cdd0c3c1
ServHelper
a27fa7724da938df040a3e535f2be9cec4d6d93bd4f2e5ec2ba79560f84cb69c
ServHelper
a2a7e43ce1a853842ecb2bdb665b180119d539d56ce2c2eab1a54d098cc92edd
ServHelper
c394b83a255961adb3ec0c8e35b21e05ee432b3c758b25ceac7e3dc3a10486a7
ServHelper
+ 63 additional samples on MalwareBazaar
Result
Malware family:
servhelper
Create hunting rule
Score:
  10/10
Tags:
family:redline family:servhelper backdoor discovery exploit infostealer persistence trojan upx
Link:
https://tria.ge/reports/210325-9asxwdhzwa/
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
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
RedLine
RedLine Payload
ServHelper
Malware Config
Dropper Extraction:
https://raw.githubusercontent.com/sqlitey/sqlite/master/speed.ps1
Unpacked files
SH256 hash:
eed912423954b56dc4ea01f9d3fb1c46ea175be378889fd886e37c09954cfaba
MD5 hash:
e66a9d6480722e985711144244ae1697
SHA1 hash:
61f58215d6ce25aaa1addd664e8346a7fa540275
Link:
https://www.unpac.me/results/dbd988ae-8c7d-4351-a133-ee1a97e29c9d/
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/eed912423954b56dc4ea01f9d3fb1c46ea175be378889fd886e37c09954cfaba

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:crime_win32_ransom_avaddon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
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.

Comments