MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c6bbdfafb3857e5850e95629d00542fd40df0b0a2ede2d49b204158d3e1cea1. 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


AveMariaRAT


Vendor detections: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3c6bbdfafb3857e5850e95629d00542fd40df0b0a2ede2d49b204158d3e1cea1
SHA3-384 hash: 45b685f73df54c0f6d1074c8bfe98401826c35f245416c5728b6c60bc139e0d224e04093f264f1e5fb70f24fd17443a3
SHA1 hash: 9ae52f766f75f704a28e4dd4a5fd23ba6cc1548b
MD5 hash: 0b37c260284040ee0beb1549da143fb5
humanhash: idaho-nevada-timing-zulu
File name:3c6bbdfafb3857e5850e95629d00542fd40df0b0a2ede2d49b204158d3e1cea1
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:536'024 bytes
First seen:2024-04-03 14:29:27 UTC
Last seen:2024-04-03 15:36:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ced282d9b261d1462772017fe2f6972b (127 x Formbook, 113 x GuLoader, 70 x RemcosRAT)
ssdeep 12288:KbNmJ8L4M58gAzcEHIksyBR3l1iAddpPW7rCMtvXpnh:We8L4MPAzfHBR3lkCcrCWXJh
Threatray 516 similar samples on MalwareBazaar
TLSH T154B41256F5008A72C63AD031C93A49954F665E225AD0A3AF76F473AE2D77063833FB13
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon c0c0c8c0e8f9d070 (1 x AveMariaRAT)
Reporter adrian__luca
Tags:AveMariaRAT exe signed

Code Signing Certificate

Organisation:Kultiveringens
Issuer:Kultiveringens
Algorithm:sha256WithRSAEncryption
Valid from:2023-05-05T04:36:14Z
Valid to:2026-05-04T04:36:14Z
Serial number: 49aee59dd5b28770b5351c7fc2ae641081ecfc3c
Thumbprint Algorithm:SHA256
Thumbprint: 05ecb73d33f4ca679522da2760ac5e6d307c08acf2107ab22d04f16349870598
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
334
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
avemaria
Create hunting rule
ID:
1
File name:
3c6bbdfafb3857e5850e95629d00542fd40df0b0a2ede2d49b204158d3e1cea1
Verdict:
Malicious activity
Analysis date:
2024-04-03 14:28:51 UTC
Tags:
rat avemaria remote stealer
Link:
https://app.any.run/tasks/77a2d0d5-d921-45b2-b1a5-2167ae5c2843

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Running batch commands
Using the Windows Management Instrumentation requests
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/660d67efd463a7b0477e0971/reports/b6cda27e-7516-4669-b182-c33497383ac3/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/3c6bbdfafb3857e5850e95629d00542fd40df0b0a2ede2d49b204158d3e1cea1
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/eab4989e-290c-46c2-9a55-c3e23421b3dc
Result
Threat name:
AveMaria, GuLoader, PrivateLoader
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1419549
Signature
Antivirus detection for URL or domain
Contains functionality to hide user accounts
Hides that the sample has been downloaded from the Internet (zone.identifier)
Increases the number of concurrent connection per server for Internet Explorer
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Obfuscated command line found
Powershell drops PE file
Sigma detected: Wab/Wabmig Unusual Parent Or Child Processes
Snort IDS alert for network traffic
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Writes to foreign memory regions
Yara detected AveMaria stealer
Yara detected GuLoader
Yara detected PrivateLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1419549 Sample: l8p4UP25ft.exe Startdate: 03/04/2024 Architecture: WINDOWS Score: 100 45 s23.filetransfer.io 2->45 47 filetransfer.io 2->47 53 Snort IDS alert for network traffic 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 Antivirus detection for URL or domain 2->57 59 6 other signatures 2->59 10 l8p4UP25ft.exe 9 113 2->10         started        signatures3 process4 file5 41 C:\Users\user\AppData\...\Buffisternes.Muj, ASCII 10->41 dropped 69 Suspicious powershell command line found 10->69 14 powershell.exe 20 10->14         started        signatures6 process7 file8 43 C:\Users\user\AppData\...\l8p4UP25ft.exe, PE32 14->43 dropped 71 Obfuscated command line found 14->71 73 Writes to foreign memory regions 14->73 75 Powershell drops PE file 14->75 18 wab.exe 5 25 14->18         started        23 conhost.exe 14->23         started        25 cmd.exe 1 14->25         started        signatures9 process10 dnsIp11 49 96.9.225.105, 49739, 61861 ASN-QUADRANET-GLOBALUS United States 18->49 51 s23.filetransfer.io 172.67.200.96, 443, 49737, 49738 CLOUDFLARENETUS United States 18->51 33 C:\Users\user\AppData\...\vcruntime140.dll, PE32 18->33 dropped 35 C:\Users\user\AppData\Local\...\softokn3.dll, PE32 18->35 dropped 37 C:\Users\user\AppData\Local\Temp\nss3.dll, PE32 18->37 dropped 39 3 other files (none is malicious) 18->39 dropped 61 Contains functionality to hide user accounts 18->61 63 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 18->63 65 Tries to harvest and steal browser information (history, passwords, etc) 18->65 67 2 other signatures 18->67 27 cmd.exe 1 18->27         started        file12 signatures13 process14 process15 29 conhost.exe 27->29         started        31 reg.exe 1 1 27->31         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3c6bbdfafb3857e5850e95629d00542fd40df0b0a2ede2d49b204158d3e1cea1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3c6bbdfafb3857e5850e95629d00542fd40df0b0a2ede2d49b204158d3e1cea1/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2024-04-03 03:25:08 UTC
File Type:
PE (Exe)
Extracted files:
53
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hrv336x3hbl6lbiosvrj2acuf7ka34fqulw6fve3ebavru7bz2qq._file
Verdict:
malicious
Similar samples:
1baad45cc119fef01aa0a48c0ea82a6dc10c3365d44984d50f94f25866063474
AveMariaRAT
2ef41da6731f4164de8d3281a4b296965e8a34426f88e47cbfd44a5177419c5c
AveMariaRAT
4e2a80e4ce63746d836930fc3d9f4db8775f12b71a417c201418879bc143139b
AveMariaRAT
95b5d0e36464afc8391a9d056926e5859506ead18937669554bde42f7a6d135b
AveMariaRAT
a181b562122fb3752137474073f22e1b2b1b4cc82a5269e73847a0e2e212cd56
AveMariaRAT
b730bb13134ec777d56a12867d2bca49a1131a49393ab1fa23dcb27a1d3b3cd7
AveMariaRAT
bf07af9d0e95551d5599a2c1145adc2fb24595e8451c1340b91969f8577cd212
AveMariaRAT
d7a09c129dfa6df78f94a517a08da22db5510621dca52f9f1a03ed436a08064c
AveMariaRAT
eb4ed5f6140aa6e26adf5408f9924e5263b9c0fa3b66cec699f7e50eb893537c
AveMariaRAT
fe8717b83983c429b505312867e926d5a9aa659fb049168bc67791b00a8da205
AveMariaRAT
+ 506 additional samples on MalwareBazaar
Result
Malware family:
warzonerat
Create hunting rule
Score:
  10/10
Tags:
family:warzonerat collection infostealer persistence rat
Link:
https://tria.ge/reports/240403-rt5nzaec9v/
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Warzone RAT payload
WarzoneRat, AveMaria
Malware Config
C2 Extraction:
96.9.225.105:61861
Unpacked files
SH256 hash:
3c6bbdfafb3857e5850e95629d00542fd40df0b0a2ede2d49b204158d3e1cea1
MD5 hash:
0b37c260284040ee0beb1549da143fb5
SHA1 hash:
9ae52f766f75f704a28e4dd4a5fd23ba6cc1548b
Link:
https://www.unpac.me/results/662d1662-db8b-415c-9d18-64027fe26c09/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3c6bbdfafb38/report/overview.html
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/3c6bbdfafb3857e5850e95629d00542fd40df0b0a2ede2d49b204158d3e1cea1

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:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

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

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::SetFileSecurityA
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExA
SHELL32.dll::SHFileOperationA
SHELL32.dll::SHGetFileInfoA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetDiskFreeSpaceA
KERNEL32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileA
KERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileA
KERNEL32.dll::MoveFileExA
KERNEL32.dll::MoveFileA
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExA
ADVAPI32.dll::RegDeleteKeyA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegQueryValueExA
ADVAPI32.dll::RegSetValueExA
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuA
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExA
USER32.dll::OpenClipboard
USER32.dll::PeekMessageA
USER32.dll::CreateWindowExA

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