MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bd462515ea9ffe66fc27d9baa0fcc4bf733385829c2fc5676129aaeeb2e0af88. 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


Blackmoon


Vendor detections: 6


Intelligence 6 IOCs YARA 12 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bd462515ea9ffe66fc27d9baa0fcc4bf733385829c2fc5676129aaeeb2e0af88
SHA3-384 hash: 166ee28e039a11a1157623da9c4d9e99671659892841c0ba4b8280dabd8fdea9fda1ce79c759126ed4f437d9984d0f0b
SHA1 hash: 61cd40da9253a367e416c9ab67e73738f18948c3
MD5 hash: 86561e111e7ce97e13a9936b9b4ba849
humanhash: chicken-november-green-lima
File name:sutup-Chrome.13.26.x64.msi
Download: download sample
Signature Blackmoon
Create hunting rule
File size:16'345'600 bytes
First seen:2024-04-26 10:51:21 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 393216:qCBN2m9uaDsIqvv3/L/2m68UzYWIMWLBM36dmdRwhm7YLp:RkmqvHv1M/q8dOh
Threatray 3 similar samples on MalwareBazaar
TLSH T1C1F63321354EC935D66F16341939AB2E463C3E228FE514D7F394BE6B09312C3B638A5B
TrID 80.0% (.MSI) Microsoft Windows Installer (454500/1/170)
10.7% (.MST) Windows SDK Setup Transform script (61000/1/5)
7.8% (.MSP) Windows Installer Patch (44509/10/5)
1.4% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter NDA0E
Tags:Blackmoon msi SilverFox


Avatar
NDA0E
SilverFox C2s:
hm2.webcamcn.xyz
156.248.54.11.webcamcn.xyz
156.248.54.11:80
216.224.125.193:443

Intelligence

File Origin
# of uploads :
1
# of downloads :
117
Origin country :
NL NL
Vendor Threat Intelligence
Gathering data
Verdict:
Suspicious
Link:
https://www.hybrid-analysis.com/sample/bd462515ea9ffe66fc27d9baa0fcc4bf733385829c2fc5676129aaeeb2e0af88
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/bd462515ea9ffe66fc27d9baa0fcc4bf733385829c2fc5676129aaeeb2e0af88
Result
Threat name:
BlackMoon
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1432094
Signature
Antivirus detection for dropped file
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Creates files in the system32 config directory
Drops executables to the windows directory (C:\Windows) and starts them
Found evasive API chain (may stop execution after checking mutex)
Found evasive API chain checking for user administrative privileges
Found stalling execution ending in API Sleep call
Hides threads from debuggers
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
Performs DNS queries to domains with low reputation
Sigma detected: WScript or CScript Dropper
Tries to evade analysis by execution special instruction (VM detection)
Uses netsh to modify the Windows network and firewall settings
Yara detected BlackMoon Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1432094 Sample: sutup-Chrome.13.26.x64.msi Startdate: 26/04/2024 Architecture: WINDOWS Score: 100 79 156.248.54.11.webcamcn.xyz 2->79 91 Malicious sample detected (through community Yara rule) 2->91 93 Antivirus detection for dropped file 2->93 95 Multi AV Scanner detection for dropped file 2->95 99 12 other signatures 2->99 8 msiexec.exe 15 49 2->8         started        11 LetsPRO.exe 2->11         started        13 netsh.exe 2->13         started        16 12 other processes 2->16 signatures3 97 Performs DNS queries to domains with low reputation 79->97 process4 file5 71 C:\Windows\Installer\MSIB5FB.tmp, PE32 8->71 dropped 73 C:\Windows\Installer\MSIB59C.tmp, PE32 8->73 dropped 75 C:\Windows\Installer\MSIB54D.tmp, PE32 8->75 dropped 77 11 other malicious files 8->77 dropped 18 ChromeSetup.exe 73 8->18         started        22 LetsPRO.exe 5 6 8->22         started        25 LetsPRO.exe 8->25         started        31 15 other processes 8->31 27 LetsPRO.exe 11->27         started        107 Creates files in the system32 config directory 13->107 29 cscript.exe 16->29         started        signatures6 process7 dnsIp8 57 C:\Windows\SystemTemp\...\psuser_64.dll, PE32+ 18->57 dropped 59 C:\Windows\SystemTemp\...\psuser.dll, PE32 18->59 dropped 61 C:\Windows\SystemTemp\...\psmachine_64.dll, PE32+ 18->61 dropped 69 65 other malicious files 18->69 dropped 101 Drops executables to the windows directory (C:\Windows) and starts them 18->101 33 GoogleUpdate.exe 18->33         started        81 156.248.54.11.webcamcn.xyz 156.248.54.11, 443, 49716, 49717 Africa-on-Cloud-ASZA Seychelles 22->81 83 127.0.0.1 unknown unknown 22->83 63 C:\Users\user\99944\LetsPRO.exe, PE32 22->63 dropped 65 C:\Users\user\99944\144977.vbs, ASCII 22->65 dropped 67 C:\Users\user\99944\1, data 22->67 dropped 103 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 22->103 105 Hides threads from debuggers 22->105 37 LetsPRO.exe 25->37         started        39 conhost.exe 29->39         started        41 LetsPRO.exe 31->41         started        43 LetsPRO.exe 31->43         started        45 LetsPRO.exe 31->45         started        47 4 other processes 31->47 file9 signatures10 process11 file12 49 C:\Program Files (x86)\...behaviorgraphoogleUpdate.exe, PE32 33->49 dropped 51 C:\Program Files (x86)\...\psuser_64.dll, PE32+ 33->51 dropped 53 C:\Program Files (x86)behaviorgraphoogle\...\psuser.dll, PE32 33->53 dropped 55 65 other malicious files 33->55 dropped 85 Found evasive API chain checking for user administrative privileges 33->85 87 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 41->87 89 Hides threads from debuggers 41->89 signatures13
Score:
94%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/bd462515ea9ffe66fc27d9baa0fcc4bf733385829c2fc5676129aaeeb2e0af88
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bd462515ea9ffe66fc27d9baa0fcc4bf733385829c2fc5676129aaeeb2e0af88/
Threat name:
Document-Office.Trojan.Casdet
Create hunting rule
Status:
Malicious
First seen:
2024-04-25 15:27:51 UTC
File Type:
Binary (Archive)
Extracted files:
298
AV detection:
7 of 23 (30.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xvdckfpkt77gn7bh3g5kb7gex5zthbmctqx4kz3bfgvo5mxav6ea._file
Verdict:
unknown
Similar samples:
00f97d87c7abeaa0f2b075bf1cb9c145d60d3e16bb5f4bc2b4ddbb6db277e43a
Blackmoon
64ef1ad529910b2fcb07dc3064d79a688b6237cda97b68074cdab1ea2a3024c6
Blackmoon
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery evasion persistence spyware stealer
Link:
https://tria.ge/reports/240426-mydzlaeg9x/
Behaviour
Enumerates system info in registry
Kills process with taskkill
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Checks installed software on the system
Checks system information in the registry
Drops file in Program Files directory
Drops file in Windows directory
Executes dropped EXE
Launches sc.exe
Loads dropped DLL
Registers COM server for autorun
Checks computer location settings
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Enumerates connected drives
Modifies Installed Components in the registry
Modifies Windows Firewall
Sets file execution options in registry
Reads user/profile data of web browsers
Creates new service(s)
Please note that we are no longer able to provide a coverage score for Virus Total.

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:DebuggerCheck__QueryInfo
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:maldoc_OLE_file_magic_number
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:MALWARE_Win_BlackMoon
Create hunting rule
Author:ditekSHen
Description:Detects executables using BlackMoon RunTime
Rule name:meth_peb_parsing
Create hunting rule
Author:Willi Ballenthin
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

Web download

Blackmoon

zip 44abf0cadee82f049bbc3dfeb8277529d3650f6f76fb76e00ec65228b8ec21e6

Blackmoon

Microsoft Software Installer (MSI) msi bd462515ea9ffe66fc27d9baa0fcc4bf733385829c2fc5676129aaeeb2e0af88

(this sample)

  
Dropped by
SHA256 44abf0cadee82f049bbc3dfeb8277529d3650f6f76fb76e00ec65228b8ec21e6
  
Dropped by
MD5 3da317519de2f2dea02bb16894317051

Comments


Avatar
commented on 2024-04-26 10:55:49 UTC

AnyRun: https://app.any.run/tasks/bc5c342c-6367-47eb-9c5a-b7b3bcbd3361