MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57bd1d7a3ce9a10797575f75af56a675b3739ab5901e383a7870b17fa328ecb4. 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: 7


Intelligence 7 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 57bd1d7a3ce9a10797575f75af56a675b3739ab5901e383a7870b17fa328ecb4
SHA3-384 hash: 10a7f63b5026b4fad2059451de5b9a8909e6b6b4a1e5be10d3a7f72b6e395350a078cf15e26e60f6057b48ce1548bb1c
SHA1 hash: 0513796322ed3364335eb9c47faad3324ff162fc
MD5 hash: 0533044b6e65dbe2c84f78e43a37a0a0
humanhash: zebra-saturn-india-beryllium
File name:0533044b6e65dbe2c84f78e43a37a0a0
Download: download sample
Signature ServHelper
Create hunting rule
File size:5'998'402 bytes
First seen:2021-06-26 19:17:49 UTC
Last seen:2021-06-26 19:36:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2b914b6fd04316572d777593dc737715 (4 x CryptBot, 4 x RedLineStealer, 3 x ServHelper)
ssdeep 98304:yUHwMgMDKQL8DUFLLINdC2G/htFMsrtzhvZ81OliMW1Cw5W9EsS+b6KR5+IVLRIb:yUrtDVCWLUzW6aBPFAAb6w5KLAi
Threatray 360 similar samples on MalwareBazaar
TLSH 62561240D5C9A8A9C1161032983DB53938D9F69BD27BCC9FEB1C270560BE3D2E16BE4D
Reporter zbetcheckin
Tags:32 exe ServHelper

Intelligence

File Origin
# of uploads :
2
# of downloads :
1'385
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0533044b6e65dbe2c84f78e43a37a0a0
Verdict:
Suspicious activity
Analysis date:
2021-06-26 19:20:51 UTC
Tags:
autoit
Link:
https://app.any.run/tasks/dd957213-631a-471f-b882-9238c609b1cc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
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/dd1e94e5-bc86-4495-856a-485abeb60bd9
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/808491
Signature
Bypasses PowerShell execution policy
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 440902 Sample: kQr9FGofJa Startdate: 26/06/2021 Architecture: WINDOWS Score: 80 57 raw.githubusercontent.com 2->57 59 asdjausg.cn 2->59 75 Multi AV Scanner detection for submitted file 2->75 77 Sigma detected: Suspicious Csc.exe Source File Folder 2->77 79 Yara detected Costura Assembly Loader 2->79 14 kQr9FGofJa.exe 7 2->14         started        signatures3 process4 process5 16 cmd.exe 1 14->16         started        signatures6 63 Submitted sample is a known malware sample 16->63 65 Obfuscated command line found 16->65 67 Uses ping.exe to sleep 16->67 69 Uses ping.exe to check the status of other devices and networks 16->69 19 cmd.exe 3 16->19         started        22 conhost.exe 16->22         started        process7 signatures8 81 Obfuscated command line found 19->81 83 Uses ping.exe to sleep 19->83 24 Sua.exe.com 19->24         started        27 PING.EXE 1 19->27         started        30 findstr.exe 1 19->30         started        process9 dnsIp10 85 Bypasses PowerShell execution policy 24->85 33 Sua.exe.com 24->33         started        61 127.0.0.1 unknown unknown 27->61 53 C:\Users\user\AppData\Local\...\Sua.exe.com, Targa 30->53 dropped file11 signatures12 process13 dnsIp14 55 YSpxeTiSBJemVMg.YSpxeTiSBJemVMg 33->55 71 Modifies the context of a thread in another process (thread injection) 33->71 73 Injects a PE file into a foreign processes 33->73 37 Sua.exe.com 4 33->37         started        signatures15 process16 process17 39 powershell.exe 27 37->39         started        file18 49 C:\Users\user\AppData\...\pqfzwvki.cmdline, UTF-8 39->49 dropped 42 csc.exe 39->42         started        45 conhost.exe 39->45         started        process19 file20 51 C:\Users\user\AppData\Local\...\pqfzwvki.dll, PE32 42->51 dropped 47 cvtres.exe 42->47         started        process21
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/57bd1d7a3ce9a10797575f75af56a675b3739ab5901e383a7870b17fa328ecb4/
Threat name:
Win32.Trojan.Crypzip
Create hunting rule
Status:
Malicious
First seen:
2021-06-26 19:18:11 UTC
AV detection:
9 of 29 (31.03%)
Threat level:
  5/5
Verdict:
malicious
Similar samples:
6966ad7c975ddb2bddcd4b4ed59fbf594ea0efbf2ecf5379cb288a861ad135c6
ServHelper
6eca26fcfabbb12c6a37eb689de222e75b31574dd25e7fd3d8b446d700c40133
ServHelper
7672dfbaa089b5f55f22e1bf1f9f985e65cc9166455c83637d3219c2c9eb4dff
ServHelper
80271a13696df77f092c3b6abce154f98e83f5840c64b610af7ae83cfe711482
ServHelper
857ddc8de567afa19f5bc9236f6cf3681e46919530f90acc25ff36112564432c
ServHelper
c8259fbe6995239c22a918f08e6cde30c181a725e9a1c379adbef5ecfbd35d63
ServHelper
d4989171b0fe1cc05ae35c3ce1f779f1ed190cb194c68595586cad6694aa8e64
ServHelper
e479976218616ff4a1303a5e783d6034d06ee0e2c6e0fb9c7f4e42c0b794541f
ServHelper
e93ad362b1d92779ef40523def774c76cb59ee9bba560f88679063404a5999e9
ServHelper
f18e085889d9d7324c57ecb800563ba2e808c0ef8ad52b7b1f1f3afa169bf836
ServHelper
+ 350 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/210626-32g598v7ta/
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:
57bd1d7a3ce9a10797575f75af56a675b3739ab5901e383a7870b17fa328ecb4
MD5 hash:
0533044b6e65dbe2c84f78e43a37a0a0
SHA1 hash:
0513796322ed3364335eb9c47faad3324ff162fc
Link:
https://www.unpac.me/results/5fb2b1ba-3598-4cac-a70a-0131ff8811ea/
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/57bd1d7a3ce9a10797575f75af56a675b3739ab5901e383a7870b17fa328ecb4

File information

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

Web download

ServHelper

Executable exe 57bd1d7a3ce9a10797575f75af56a675b3739ab5901e383a7870b17fa328ecb4

(this sample)

  
Delivery method
Distributed via web download

Comments