MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3e841431aaa53eb3cfa6f167b3a46bca0eb16d22e6fd1d06944414b78cc512d8. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3e841431aaa53eb3cfa6f167b3a46bca0eb16d22e6fd1d06944414b78cc512d8
SHA3-384 hash: 97d4fdc21fafdb55dc41d7c68877b7afed4ef7470ff3e85721be47069d04e7689861a1f0a8ada113c78a2a30bcbb1ed7
SHA1 hash: c625e4a67c8ed11da8d2f39151d80ece4a6c1c70
MD5 hash: 7bd36bd38e2d59e7cd840ebb5d753ed7
humanhash: butter-floor-virginia-virginia
File name:SecuriteInfo.com.W32.AIDetect.malware1.29246.21787
Download: download sample
Signature ServHelper
Create hunting rule
File size:6'030'448 bytes
First seen:2021-06-27 19:32:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2b914b6fd04316572d777593dc737715 (4 x CryptBot, 4 x RedLineStealer, 3 x ServHelper)
ssdeep 98304:/UR502Ro5DziQ8VOzPRN5v8j2e52g9s8LMUgYsqblvISrZ37bMZ2NqyszUk:/UR51GDp8ANcf2gJE+blvjrZPsQk
Threatray 365 similar samples on MalwareBazaar
TLSH 2E562332A179B029D0502FB297A1DEC446946F8C16B7F6CFF761721D3A3638EA718634
Reporter SecuriteInfoCom
Tags:exe ServHelper

Intelligence

File Origin
# of uploads :
1
# of downloads :
1'369
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.W32.AIDetect.malware1.29246.21787
Verdict:
Suspicious activity
Analysis date:
2021-06-27 19:34:39 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a963dea3-0f68-4d6e-8fa8-dc7ffcc5e50c

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/168485/
Detection(s):
SecuriteInfo.com.W32.AIDetect.malware1.29246.21787.UNOFFICIAL
Create hunting rule

PUA.Win.Downloader.Driverpack-6998194-0
Create hunting rule

PUA.Win.Adware.Generic-7505646-0
Create hunting rule

PUA.Win.File.Generic-7557964-0
Create hunting rule

Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/13089f8f-1ca3-4e26-85d7-286d38eaf62e
Result
Threat name:
SERVHELPER
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/808607
Signature
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Contains functionality to start a terminal service
Detected SERVHELPER
Injects a PE file into a foreign processes
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Obfuscated command line found
Sigma detected: Suspicious Csc.exe Source File Folder
Submitted sample is a known malware sample
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected Costura Assembly Loader
Yara detected Powershell dedcode and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 441018 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 27/06/2021 Architecture: WINDOWS Score: 100 64 Antivirus detection for URL or domain 2->64 66 Multi AV Scanner detection for submitted file 2->66 68 Yara detected Powershell dedcode and execute 2->68 70 3 other signatures 2->70 13 SecuriteInfo.com.W32.AIDetect.malware1.29246.exe 7 2->13         started        process3 process4 15 cmd.exe 1 13->15         started        signatures5 84 Submitted sample is a known malware sample 15->84 86 Obfuscated command line found 15->86 88 Uses ping.exe to sleep 15->88 90 Uses ping.exe to check the status of other devices and networks 15->90 18 cmd.exe 3 15->18         started        22 conhost.exe 15->22         started        process6 file7 50 C:\Users\user\AppData\Local\Temp\...\S, ASCII 18->50 dropped 76 Obfuscated command line found 18->76 78 Uses ping.exe to sleep 18->78 24 Svelta.exe.com 18->24         started        27 PING.EXE 1 18->27         started        30 findstr.exe 1 18->30         started        signatures8 process9 dnsIp10 80 Bypasses PowerShell execution policy 24->80 33 Svelta.exe.com 24->33         started        60 127.0.0.1 unknown unknown 27->60 62 192.168.2.1 unknown unknown 27->62 56 C:\Users\user\AppData\...\Svelta.exe.com, Targa 30->56 dropped file11 signatures12 process13 dnsIp14 58 oLnaDwCOEkaWgDVIHUQrBJheJwE.oLnaDwCOEkaWgDVIHUQrBJheJwE 33->58 72 Modifies the context of a thread in another process (thread injection) 33->72 74 Injects a PE file into a foreign processes 33->74 37 Svelta.exe.com 4 33->37         started        signatures15 process16 process17 39 powershell.exe 25 37->39         started        file18 52 C:\Users\user\AppData\...\gaadrtp0.cmdline, UTF-8 39->52 dropped 82 Detected SERVHELPER 39->82 43 csc.exe 39->43         started        46 conhost.exe 39->46         started        signatures19 process20 file21 54 C:\Users\user\AppData\Local\...\gaadrtp0.dll, PE32 43->54 dropped 48 cvtres.exe 43->48         started        process22
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3e841431aaa53eb3cfa6f167b3a46bca0eb16d22e6fd1d06944414b78cc512d8/
Threat name:
Win32.Trojan.Crypzip
Create hunting rule
Status:
Malicious
First seen:
2021-06-27 17:46:18 UTC
AV detection:
9 of 29 (31.03%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h2cbimnkuu7lht5g6ft3hjdlzihlc3jc436r2buuiqklpdgfclma._file
Verdict:
malicious
Similar samples:
57bd1d7a3ce9a10797575f75af56a675b3739ab5901e383a7870b17fa328ecb4
ServHelper
6966ad7c975ddb2bddcd4b4ed59fbf594ea0efbf2ecf5379cb288a861ad135c6
ServHelper
7672dfbaa089b5f55f22e1bf1f9f985e65cc9166455c83637d3219c2c9eb4dff
ServHelper
80271a13696df77f092c3b6abce154f98e83f5840c64b610af7ae83cfe711482
ServHelper
9d2a3042c4e2d68df7a39cd7efae7c64f2b7ed5ae507bac9282e154591757724
ServHelper
c8259fbe6995239c22a918f08e6cde30c181a725e9a1c379adbef5ecfbd35d63
ServHelper
d4989171b0fe1cc05ae35c3ce1f779f1ed190cb194c68595586cad6694aa8e64
ServHelper
e479976218616ff4a1303a5e783d6034d06ee0e2c6e0fb9c7f4e42c0b794541f
ServHelper
e93ad362b1d92779ef40523def774c76cb59ee9bba560f88679063404a5999e9
ServHelper
f18e085889d9d7324c57ecb800563ba2e808c0ef8ad52b7b1f1f3afa169bf836
ServHelper
+ 355 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/210627-fkx8whv5yx/
Behaviour
Modifies data under HKEY_USERS
Modifies registry key
Runs net.exe
Runs ping.exe
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Modifies file permissions
Blocklisted process makes network request
Executes dropped EXE
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:
3e841431aaa53eb3cfa6f167b3a46bca0eb16d22e6fd1d06944414b78cc512d8
MD5 hash:
7bd36bd38e2d59e7cd840ebb5d753ed7
SHA1 hash:
c625e4a67c8ed11da8d2f39151d80ece4a6c1c70
Link:
https://www.unpac.me/results/554b643a-3bfb-4c7c-96cb-03fd1e1f674f/
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/3e841431aaa53eb3cfa6f167b3a46bca0eb16d22e6fd1d06944414b78cc512d8

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

ServHelper

Executable exe 3e841431aaa53eb3cfa6f167b3a46bca0eb16d22e6fd1d06944414b78cc512d8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1404524/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/168485/

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