MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b18441926e832038099acbe4a90c9e1907c9487ac14bdf4925ac170dddc24b6. 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


BruteRatel


Vendor detections: 12


Intelligence 12 IOCs YARA 5 File information Comments
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SHA256 hash: 5b18441926e832038099acbe4a90c9e1907c9487ac14bdf4925ac170dddc24b6
SHA3-384 hash: a166c1a12dfebcf2788e79c0e1fa53f900331e8b043cc6fc300da0b610903c65476a98d4e98f5a853c2dd0aa72edf846
SHA1 hash: a29aa8ff2bce7ca603e41d22882db33febeb3b43
MD5 hash: fe821027dfc49e8017c2cc50974a00b4
humanhash: triple-wolfram-autumn-vegan
File name:SecuriteInfo.com.FileRepMalware.3625.5069
Download: download sample
Signature BruteRatel
Create hunting rule
File size:1'602'048 bytes
First seen:2024-06-21 18:24:41 UTC
Last seen:2024-06-23 18:28:09 UTC
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 49152:QEZ3YuW8zBQSc0ZnSKYZKumZr7ABVzqSwOXH:VY90ZniK/AL2wXH
TLSH T14075D0227386C537C96E01302A1AD7AB5579FDB74B3140DBA3C82A2E9E744C16739F93
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 SecuriteInfoCom
Tags:BruteRatel msi

Intelligence

File Origin
# of uploads :
4
# of downloads :
124
Origin country :
FR FR
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.FileRepMalware.3625.5069.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6675c5800591661c2a1fa6bawin10vpnfull_triage
Tags:
Network Stealth
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
CAB fingerprint installer lolbin masquerade packed remote shell32
Link:
https://www.filescan.io/uploads/6675c57fea679c2da918ab5f/reports/b9b8e213-873a-4d33-8db8-945a3bf3349d/overview
Verdict:
Malicious
Labled as:
Generik.MLSLIZK trojan
Link:
https://www.hybrid-analysis.com/sample/5b18441926e832038099acbe4a90c9e1907c9487ac14bdf4925ac170dddc24b6
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/5b18441926e832038099acbe4a90c9e1907c9487ac14bdf4925ac170dddc24b6
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Bazar Loader, BruteRatel, Latrodectus
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1460883
Signature
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject threads in other processes
Creates a thread in another existing process (thread injection)
Drops executables to the windows directory (C:\Windows) and starts them
Found malware configuration
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Modifies the context of a thread in another process (thread injection)
PE file contains section with special chars
Sample uses string decryption to hide its real strings
Sets debug register (to hijack the execution of another thread)
Sigma detected: RunDLL32 Spawning Explorer
System process connects to network (likely due to code injection or exploit)
Writes to foreign memory regions
Yara detected Bazar Loader
Yara detected BruteRatel
Yara detected Latrodectus
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1460883 Sample: SecuriteInfo.com.FileRepMal... Startdate: 21/06/2024 Architecture: WINDOWS Score: 100 53 ultroawest.com 2->53 55 kurvabbr.pw 2->55 57 2 other IPs or domains 2->57 65 Found malware configuration 2->65 67 Antivirus detection for URL or domain 2->67 69 Yara detected Latrodectus 2->69 71 7 other signatures 2->71 8 rundll32.exe 1 12 2->8         started        12 msiexec.exe 14 28 2->12         started        15 msiexec.exe 9 2->15         started        signatures3 process4 dnsIp5 59 kurvabbr.pw 94.232.249.87, 49731, 49732, 49741 INT-PDN-STE-ASSTEPDNInternalASSY Syrian Arab Republic 8->59 73 Contains functionality to inject threads in other processes 8->73 75 Injects code into the Windows Explorer (explorer.exe) 8->75 77 Sets debug register (to hijack the execution of another thread) 8->77 81 5 other signatures 8->81 17 explorer.exe 68 2 8->17 injected 33 C:\Windows\Installer\MSI4EEB.tmp, PE32 12->33 dropped 35 C:\Users\user\AppData\Roaming\aclui.dll, PE32+ 12->35 dropped 37 C:\Windows\Installer\MSI4DEF.tmp, PE32 12->37 dropped 39 C:\Windows\Installer\MSI4DA0.tmp, PE32 12->39 dropped 79 Drops executables to the windows directory (C:\Windows) and starts them 12->79 21 MSI4EEB.tmp 12->21         started        23 msiexec.exe 12->23         started        25 msiexec.exe 12->25         started        41 C:\Users\user\AppData\Local\...\MSI4C6C.tmp, PE32 15->41 dropped 43 C:\Users\user\AppData\Local\...\MSI4C3C.tmp, PE32 15->43 dropped 45 C:\Users\user\AppData\Local\...\MSI4C1C.tmp, PE32 15->45 dropped 47 3 other files (none is malicious) 15->47 dropped file6 signatures7 process8 dnsIp9 49 kalopvard.com 185.93.221.101, 443, 49752, 49754 OBLTEL-ASRU Switzerland 17->49 51 ultroawest.com 77.83.196.180, 443, 49747, 49748 ASN-MOLMoscowRussiaRU Lithuania 17->51 63 System process connects to network (likely due to code injection or exploit) 17->63 27 rundll32.exe 17->27         started        30 rundll32.exe 12 17->30         started        signatures10 process11 dnsIp12 83 System process connects to network (likely due to code injection or exploit) 27->83 85 Injects code into the Windows Explorer (explorer.exe) 27->85 87 Writes to foreign memory regions 27->87 89 Injects a PE file into a foreign processes 27->89 61 barsen.monster 94.232.249.86, 49739, 49740, 49746 INT-PDN-STE-ASSTEPDNInternalASSY Syrian Arab Republic 30->61 91 Allocates memory in foreign processes 30->91 93 Modifies the context of a thread in another process (thread injection) 30->93 95 Creates a thread in another existing process (thread injection) 30->95 signatures13
Score:
95%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/5b18441926e832038099acbe4a90c9e1907c9487ac14bdf4925ac170dddc24b6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5b18441926e832038099acbe4a90c9e1907c9487ac14bdf4925ac170dddc24b6/
Threat name:
Win32.Backdoor.Brutel
Create hunting rule
Status:
Suspicious
First seen:
2024-06-20 22:09:15 UTC
File Type:
Binary (Archive)
Extracted files:
37
AV detection:
8 of 38 (21.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lmmeigjg5azahaezvs7evegj4gihzfehvqkl35esllaxbxo4es3a._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence privilege_escalation
Link:
https://tria.ge/reports/240621-w2lchsyhlc/
Behaviour
Checks SCSI registry key(s)
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Event Triggered Execution: Installer Packages
Drops file in Windows directory
Executes dropped EXE
Loads dropped DLL
Enumerates connected drives
Blocklisted process makes network request
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/6c68478d-7bff-408b-b4ff-af416670c7b0
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/5b18441926e832038099acbe4a90c9e1907c9487ac14bdf4925ac170dddc24b6

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:suspicious_msi_file
Create hunting rule
Author:Johnk3r
Description:Detects common strings, DLL and API in Banker_BR

File information

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

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