MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 046f08e500cc9156c4af47a73744ccb060606c77d7a8beb5677aa6ff4d256211. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 046f08e500cc9156c4af47a73744ccb060606c77d7a8beb5677aa6ff4d256211
SHA3-384 hash: 755945cca9dfdea5c1f8ffe3cae57b5f58ab6afb4aa941582a536c7e4f699814b8f6565ba19666f56293b2224c5ccfd7
SHA1 hash: 69803b96f3820fabd81c79d422a1fa2a72ccb699
MD5 hash: f71c575754e1f5890ad8b35afd08b8be
humanhash: mississippi-mars-kansas-hotel
File name:f71c575754e1f5890ad8b35afd08b8be.exe
Download: download sample
Signature ServHelper
Create hunting rule
File size:6'203'392 bytes
First seen:2021-09-23 10:57:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c7269d59926fa4252270f407e4dab043 (45 x Hive, 23 x ServHelper, 22 x CobaltStrike)
ssdeep 49152:1Hjgzprb/TkvO90dL3BmAFd4A64nsfJ9X559RIO3CV7rfM2Zy4oaBqn4BHXVpetO:1H6/X5mAQQQQQQQQQQQQQ
Threatray 196 similar samples on MalwareBazaar
TLSH T14E56F117BC9464B8C9E9D232897992913731B489473937D32F58A6FA2FB7BC40E35360
Reporter abuse_ch
Tags:exe ServHelper

Intelligence

File Origin
# of uploads :
1
# of downloads :
1'143
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f71c575754e1f5890ad8b35afd08b8be.exe
Verdict:
No threats detected
Analysis date:
2021-09-23 10:59:45 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/959748bd-6c6d-418d-b717-49c8c90631bc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
RDPWrap
Create hunting rule
Link:
https://www.capesandbox.com/analysis/190715/
Detection(s):
Win.Malware.Bulz-9847817-0
Create hunting rule

Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c00bf5f6-e1bc-4fa3-811d-03f469024780
Result
Threat name:
SERVHELPER
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/856836
Signature
Adds a new user with administrator rights
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Contains functionality to start a terminal service
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
Performs DNS queries to domains with low reputation
Powershell drops PE file
Queries memory information (via WMI often done to detect virtual machines)
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
Sigma detected: Suspicious PowerShell Invocations - Specific
Sigma detected: Suspicious Script Execution From Temp Folder
Uses cmd line tools excessively to alter registry or file data
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 489261 Sample: a6khtecd4C.exe Startdate: 23/09/2021 Architecture: WINDOWS Score: 100 85 raw.githubusercontent.com 2->85 87 asfuuvhv3083f.xyz 2->87 89 9 other IPs or domains 2->89 93 Antivirus detection for dropped file 2->93 95 Multi AV Scanner detection for dropped file 2->95 97 Multi AV Scanner detection for submitted file 2->97 99 7 other signatures 2->99 11 a6khtecd4C.exe 4 2->11         started        14 cmd.exe 2->14         started        16 cmd.exe 2->16         started        18 3 other processes 2->18 signatures3 process4 signatures5 111 Bypasses PowerShell execution policy 11->111 113 Queries memory information (via WMI often done to detect virtual machines) 11->113 20 powershell.exe 67 11->20         started        25 net.exe 14->25         started        27 conhost.exe 14->27         started        29 net.exe 16->29         started        31 conhost.exe 16->31         started        33 net.exe 18->33         started        35 conhost.exe 18->35         started        37 conhost.exe 18->37         started        39 net.exe 18->39         started        process6 dnsIp7 91 asbza.cn 206.188.197.227, 49869, 80 DEFENSE-NETUS United States 20->91 77 C:\Windows\Branding\mediasvc.png, PE32+ 20->77 dropped 79 C:\Windows\Branding\mediasrv.png, PE32+ 20->79 dropped 81 C:\Users\user\AppData\...\ntqrtx14.cmdline, UTF-8 20->81 dropped 101 Detected SERVHELPER 20->101 103 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 20->103 105 Uses cmd line tools excessively to alter registry or file data 20->105 107 3 other signatures 20->107 41 reg.exe 20->41         started        44 cmd.exe 20->44         started        46 cmd.exe 20->46         started        54 8 other processes 20->54 48 net1.exe 25->48         started        50 net1.exe 29->50         started        52 net1.exe 33->52         started        file8 signatures9 process10 file11 109 Creates a Windows Service pointing to an executable in C:\Windows 41->109 57 cmd.exe 44->57         started        59 cmd.exe 46->59         started        83 C:\Users\user\AppData\Local\...\ntqrtx14.dll, PE32 54->83 dropped 61 cvtres.exe 54->61         started        63 conhost.exe 54->63         started        65 conhost.exe 54->65         started        67 2 other processes 54->67 signatures12 process13 process14 69 net.exe 57->69         started        71 net.exe 59->71         started        process15 73 net1.exe 69->73         started        75 net1.exe 71->75         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/046f08e500cc9156c4af47a73744ccb060606c77d7a8beb5677aa6ff4d256211/
Threat name:
ByteCode-MSIL.Trojan.Bingoml
Create hunting rule
Status:
Malicious
First seen:
2021-08-08 19:15:19 UTC
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=arxqrziazsivnrfpi6ttorgmwbqga3dx26ul5nlhpktp6tjfmiiq._file
Verdict:
malicious
Similar samples:
043d74057370b18ec933764ae5c0fa80be90af1d41761c0a2f34f9d8c56542e5
ServHelper
266562d82899806c0eafc3ca72216e78d41403dd24effebd31d7635922ba96ce
ServHelper
6eca26fcfabbb12c6a37eb689de222e75b31574dd25e7fd3d8b446d700c40133
ServHelper
9d2a3042c4e2d68df7a39cd7efae7c64f2b7ed5ae507bac9282e154591757724
ServHelper
a5ce80281a88db0129bcdadd338ccf21d07b4b960ea92dc3b1861b7276d354ec
ServHelper
be9c5e5ce6d4544e6bddbd47c26873fe0c33414086824b1d4968a638184a8a7c
ServHelper
da012f669961c3631b10dd147f38ca34796c40692e01b51dd206f6a5b755e605
ServHelper
f4adc9d5df2c5543d17faa940efced9980a87b98a8858ccc3547fb51e154ecaa
ServHelper
ff257a7b22badf7948f21dd5dfaf008dd72895aa63bc6a1c5838cbe26036bbe7
ServHelper
+ 186 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/210923-m2t5zshebp/
Behaviour
Modifies data under HKEY_USERS
Modifies registry key
Modifies system certificate store
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:
046f08e500cc9156c4af47a73744ccb060606c77d7a8beb5677aa6ff4d256211
MD5 hash:
f71c575754e1f5890ad8b35afd08b8be
SHA1 hash:
69803b96f3820fabd81c79d422a1fa2a72ccb699
Link:
https://www.unpac.me/results/d789150d-8ad5-465f-8b1b-c7ae03dbf9ad/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.95
Link:
https://yomi.yoroi.company/submissions/046f08e500cc9156c4af47a73744ccb060606c77d7a8beb5677aa6ff4d256211

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:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:golang
Create hunting rule
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: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.

Cape
Cape
https://www.capesandbox.com/analysis/190715/

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