MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4042eddee4c5d10ad23ccf631c4558dc032a3da1af7177778c32ed8ea00934a1. 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


Zyklon


Vendor detections: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4042eddee4c5d10ad23ccf631c4558dc032a3da1af7177778c32ed8ea00934a1
SHA3-384 hash: d3f7eb35aaf23cee8c6e0661722eacf5cabdb42c69a83ad066a2d371052c69635c036cb0503d2287e8168176796cd638
SHA1 hash: 55ad8e4dc7ede8d82e4962956a0d4bb2ab28213d
MD5 hash: b6b23c4fc620ee78323d2ce29adb60bf
humanhash: snake-november-johnny-triple
File name:b6b23c4fc620ee78323d2ce29adb60bf.exe
Download: download sample
Signature Zyklon
Create hunting rule
File size:2'743'058 bytes
First seen:2024-02-29 11:35:13 UTC
Last seen:2024-07-24 13:29:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (389 x DCRat, 52 x RedLineStealer, 51 x Formbook)
ssdeep 49152:GBViYVjoGFdOMH4rvoh7PFFubXblR95BKpG+IgsFcwvmt:YVlFf40tU3lB8ckIcwut
Threatray 211 similar samples on MalwareBazaar
TLSH T1B3C52302BBD188B1C4A32A3556712B51163D78201F9ADEDF73D85E6DFC226C0E735AB2
TrID 74.5% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
16.2% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
2.9% (.EXE) Win64 Executable (generic) (10523/12/4)
1.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 92e0b496a2cada72 (11 x Adware.Generic, 5 x Adware.InstalleRex, 2 x Adware.Yantai)
Reporter abuse_ch
Tags:exe Zyklon


Avatar
abuse_ch
Zyklon C2:
http://188.120.229.213/Eternal3/0Server/downloads/Better/7LinuxDle/Traffic/processorTo4Default/External/Wordpressimage/phpwp/Lowuploads0/6ProcessorSql/updateProcessorTest/Packetbigload.php

Intelligence

File Origin
# of uploads :
2
# of downloads :
360
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.VBS.Encrypted.Gen.UNOFFICIAL
Create hunting rule

Win.Trojan.Uztuby-9855059-0
Create hunting rule

SecuriteInfo.com.Trojan.GenericKD.38920448.13962.7593.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd dcrat fingerprint installer keylogger lolbin overlay packed setupapi sfx shdocvw shell32
Link:
https://www.filescan.io/uploads/65e06c25d529a676e56602cc/reports/88a0ced3-f99a-4bf9-bf7a-c3783d5b1200/overview
Verdict:
Malicious
Labled as:
Trojan.Uztuby
Link:
https://www.hybrid-analysis.com/sample/4042eddee4c5d10ad23ccf631c4558dc032a3da1af7177778c32ed8ea00934a1
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.
Malware family:
Dark Crystal RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/14e8ed08-bd22-4355-bc10-f7ed68cb33f7
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1400858
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Antivirus detection for URL or domain
Creates processes via WMI
Disables UAC (registry)
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: System File Execution Location Anomaly
Sigma detected: WScript or CScript Dropper
Snort IDS alert for network traffic
Suspicious execution chain found
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected DCRat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1400858 Sample: fzUk1a18ai.exe Startdate: 29/02/2024 Architecture: WINDOWS Score: 100 62 Snort IDS alert for network traffic 2->62 64 Antivirus detection for URL or domain 2->64 66 Antivirus detection for dropped file 2->66 68 12 other signatures 2->68 10 fzUk1a18ai.exe 3 17 2->10         started        13 powershell.exe 2->13         started        process3 file4 54 C:\Users\user\AppData\...\image_flow.dll, PE32+ 10->54 dropped 56 C:\Users\user\AppData\Local\...\icucnv40.dll, PE32+ 10->56 dropped 58 C:\Users\user\AppData\...\dvatransport.dll, PE32+ 10->58 dropped 60 5 other files (4 malicious) 10->60 dropped 15 wscript.exe 1 10->15         started        18 conhost.exe 13->18         started        process5 signatures6 88 Windows Scripting host queries suspicious COM object (likely to drop second stage) 15->88 90 Suspicious execution chain found 15->90 20 cmd.exe 1 15->20         started        process7 process8 22 blockRefBroker.exe 2 27 20->22         started        26 reg.exe 1 20->26         started        28 conhost.exe 20->28         started        file9 46 C:\Users\user\Desktop\wNZZPMbj.log, PE32 22->46 dropped 48 C:\Users\user\Desktop\tFcQtuhn.log, PE32 22->48 dropped 50 C:\Users\user\Desktop\pPlZmxgu.log, PE32 22->50 dropped 52 17 other malicious files 22->52 dropped 74 Multi AV Scanner detection for dropped file 22->74 76 Machine Learning detection for dropped file 22->76 78 Adds a directory exclusion to Windows Defender 22->78 80 Creates processes via WMI 22->80 30 cmd.exe 1 22->30         started        33 powershell.exe 23 22->33         started        82 Disables UAC (registry) 26->82 signatures10 process11 signatures12 84 Uses ping.exe to sleep 30->84 86 Uses ping.exe to check the status of other devices and networks 30->86 35 RuntimeBroker.exe 2 30->35         started        38 conhost.exe 30->38         started        40 PING.EXE 1 30->40         started        42 chcp.com 1 30->42         started        44 conhost.exe 33->44         started        process13 signatures14 70 Multi AV Scanner detection for dropped file 35->70 72 Machine Learning detection for dropped file 35->72
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4042eddee4c5d10ad23ccf631c4558dc032a3da1af7177778c32ed8ea00934a1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4042eddee4c5d10ad23ccf631c4558dc032a3da1af7177778c32ed8ea00934a1/
Threat name:
ByteCode-MSIL.Trojan.Uztuby
Create hunting rule
Status:
Malicious
First seen:
2024-02-23 16:11:02 UTC
File Type:
PE (Exe)
Extracted files:
207
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ibbo3xxeyxiqvur4z5rryrky3qbsupnbv5yxo54mglwy5iajgsqq._file
Verdict:
malicious
Similar samples:
0c1c671209be073feab00d096d81dc0db17e93b45d46a27c4a44a1bd2bb3d445
Zyklon
108d7f9bf923a83ea595f3841a3ecb139268d2e56f6ed1122b08f04e9769d42f
Zyklon
58f720c7664a0eea1e99b9293dffba1d45930a1ace26ba296ae81f461d5953d1
Zyklon
be0bf3020e394c001a0b1754ca7e3d708e5973b2bff748c033a14de047cfb9f8
Zyklon
+ 201 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
evasion spyware stealer trojan
Link:
https://tria.ge/reports/240229-nqkb3sgb45/
Behaviour
Creates scheduled task(s)
Modifies registry class
Modifies registry key
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Process spawned unexpected child process
UAC bypass
Unpacked files
SH256 hash:
2b93377ea087225820a9f8e4f331005a0c600d557242366f06e0c1eae003d669
MD5 hash:
d8bf2a0481c0a17a634d066a711c12e9
SHA1 hash:
7cc01a58831ed109f85b64fe4920278cedf3e38d
Link:
https://www.unpac.me/results/92095258-8240-453f-8caa-a694ce5957b2/
SH256 hash:
7c95d3b38114e7e4126cb63aadaf80085ed5461ab0868d2365dd6a18c946ea3a
MD5 hash:
e9ce850db4350471a62cc24acb83e859
SHA1 hash:
55cdf06c2ce88bbd94acde82f3fea0d368e7ddc6
Link:
https://www.unpac.me/results/92095258-8240-453f-8caa-a694ce5957b2/
SH256 hash:
d772fe1edf580fa0891584f87da0917dfca042f3968f6371b388c3922ab1755e
MD5 hash:
666ee9a646e322dadc7a263743ba49be
SHA1 hash:
18372a779d873515a99c3c5118ce08bc47820767
Link:
https://www.unpac.me/results/92095258-8240-453f-8caa-a694ce5957b2/
SH256 hash:
b7f5334ae83ca14b1c2e68ad51322af1089bcbb21261843117e2b19fde8f4132
MD5 hash:
ab0c8aee28be71d5b2ec751f071177f8
SHA1 hash:
5d99a26a91ffe21401627c5706f8586cc19ae51f
Link:
https://www.unpac.me/results/92095258-8240-453f-8caa-a694ce5957b2/
SH256 hash:
578ab249000a28648375e7c874e515c82c3e579a576ccb129c41b300c55a585f
MD5 hash:
7a46ac5a575b296d6aa9957edebe6578
SHA1 hash:
f58b33739478b01694ad57d3bdb8691293b43ae8
Link:
https://www.unpac.me/results/92095258-8240-453f-8caa-a694ce5957b2/
SH256 hash:
1ec2b71058cdeb272b5ca97995bd4b34cf12e047f21f8b60e13f5b7bd5ebf28c
MD5 hash:
9e135ba148123b3e24b498ba5482d8ca
SHA1 hash:
773cb359d2a142f7b16aa867fb00634d81fe1bf0
Link:
https://www.unpac.me/results/92095258-8240-453f-8caa-a694ce5957b2/
SH256 hash:
1ae10e377c62e9d4d8fe49b140314df55ef5877c8e004b7b0ceeb2fdb9289e77
MD5 hash:
6b5d9c4450aded9e830d865faa8fbdfc
SHA1 hash:
412e521b56041646795ff7d5fc6a2fa1a6538a1f
Detections:
INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File
Create hunting rule
cn_utf8_windows_terminal
Create hunting rule
Link:
https://www.unpac.me/results/92095258-8240-453f-8caa-a694ce5957b2/
SH256 hash:
4042eddee4c5d10ad23ccf631c4558dc032a3da1af7177778c32ed8ea00934a1
MD5 hash:
b6b23c4fc620ee78323d2ce29adb60bf
SHA1 hash:
55ad8e4dc7ede8d82e4962956a0d4bb2ab28213d
Link:
https://www.unpac.me/results/92095258-8240-453f-8caa-a694ce5957b2/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4042eddee4c5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4042eddee4c5d10ad23ccf631c4558dc032a3da1af7177778c32ed8ea00934a1

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants

File information

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

Comments