MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5c7a3bd2baa8303354d8098b8d5961f111e467002bb0c6fee120825b32798228. 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


BazaLoader


Vendor detections: 12


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

SHA256 hash: 5c7a3bd2baa8303354d8098b8d5961f111e467002bb0c6fee120825b32798228
SHA3-384 hash: 3720d0366ca16cfb4142f78aed3b839056bbbf4858ade5d0f16ecec7a451786213fb98f1a6e713882d10bdc47017a6c5
SHA1 hash: aaf14040d4ee2a03d48d961f7d70970d4513237f
MD5 hash: 4d343ce28a572f1bca64473232a039a9
humanhash: thirteen-florida-delaware-wolfram
File name:x64_stealth.dll
Download: download sample
Signature BazaLoader
Create hunting rule
File size:1'833'984 bytes
First seen:2024-09-18 21:41:19 UTC
Last seen:2024-09-20 16:41:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 5e571c8c16d6b90cd433615e84bbaba6 (1 x BazaLoader)
ssdeep 49152:XIjQwYvd7+StIkss/eY304NFYEypUHAdagmF:rJR3wJagG
TLSH T13C85AE1AAB9C40B1D066C039C4978A47F6B278044F35DBDF1A95672E2F77BE04A3E721
TrID 48.7% (.EXE) Win64 Executable (generic) (10523/12/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter pr0xylife
Tags:BazaLoader BruteRatel exe Latrodectus

Intelligence

File Origin
# of uploads :
2
# of downloads :
830
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DLPAgent.msi
Verdict:
No threats detected
Analysis date:
2024-09-18 20:28:49 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/bab7ae30-82b7-46f4-a073-cac08371fe40

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Trojan.Latrodectus-10031447-0
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66eb492cf72de0d131bea2a6
Tags:
Static
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug disk fingerprint lolbin masquerade microsoft_visual_cc packed peloader rat setupapi shell32
Link:
https://www.filescan.io/uploads/66eb492e0883d6a903ec6614/reports/2e333481-01f1-4af9-b58a-e5dc9063555f/overview
Verdict:
Malicious
Labled as:
Trojan.Latrodectus
Link:
https://www.hybrid-analysis.com/sample/5c7a3bd2baa8303354d8098b8d5961f111e467002bb0c6fee120825b32798228
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/ac853cad-7186-474e-95ee-5fc94b22cbc6
Result
Threat name:
Bazar Loader, BruteRatel, Latrodectus
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1513550
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)
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)
Sample uses string decryption to hide its real strings
Sets debug register (to hijack the execution of another thread)
Sigma detected: RunDLL32 Spawning Explorer
Suricata IDS alerts for network traffic
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: 1513550 Sample: x64_stealth.dll.exe Startdate: 18/09/2024 Architecture: WINDOWS Score: 100 26 tiguanin.com 2->26 28 isomicrotich.com 2->28 30 2 other IPs or domains 2->30 40 Suricata IDS alerts for network traffic 2->40 42 Found malware configuration 2->42 44 Antivirus detection for URL or domain 2->44 46 7 other signatures 2->46 8 loaddll64.exe 1 2->8         started        signatures3 process4 process5 10 rundll32.exe 12 8->10         started        13 rundll32.exe 12 8->13         started        16 cmd.exe 1 8->16         started        18 conhost.exe 8->18         started        dnsIp6 58 Contains functionality to inject threads in other processes 10->58 60 Injects code into the Windows Explorer (explorer.exe) 10->60 62 Sets debug register (to hijack the execution of another thread) 10->62 70 3 other signatures 10->70 20 explorer.exe 45 1 10->20 injected 38 greshunka.com 92.118.112.130, 49760, 49763, 49764 GUDAEV-ASRU Russian Federation 13->38 64 System process connects to network (likely due to code injection or exploit) 13->64 66 Writes to foreign memory regions 13->66 68 Allocates memory in foreign processes 13->68 24 rundll32.exe 12 16->24         started        signatures7 process8 dnsIp9 32 isomicrotich.com 188.114.97.3, 443, 49815, 49816 CLOUDFLARENETUS European Union 20->32 48 System process connects to network (likely due to code injection or exploit) 20->48 34 bazarunet.com 193.124.185.116, 49730, 49731, 49734 IHOR-ASRU Russian Federation 24->34 36 tiguanin.com 193.124.185.117, 49732, 49733, 49736 IHOR-ASRU Russian Federation 24->36 50 Injects code into the Windows Explorer (explorer.exe) 24->50 52 Writes to foreign memory regions 24->52 54 Allocates memory in foreign processes 24->54 56 3 other signatures 24->56 signatures10
Score:
5%
Verdict:
Benign
File Type:
PE
Link:
https://malprob.io/report/5c7a3bd2baa8303354d8098b8d5961f111e467002bb0c6fee120825b32798228
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5c7a3bd2baa8303354d8098b8d5961f111e467002bb0c6fee120825b32798228/
Threat name:
Win64.Backdoor.Brutel
Create hunting rule
Status:
Malicious
First seen:
2024-09-18 20:28:12 UTC
File Type:
PE+ (Dll)
Extracted files:
1
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lr5dxuv2vaydgvgybgfy2wlb6ei6izyafoymn7xbecbfwmtzqiua._file
Verdict:
malicious
Label(s):
bruteratelc4
Create hunting rule
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/240918-1kbh7svbkf/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Blocklisted process makes network request
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/972ce058-1241-4005-9f78-a0c152235d2d
Unpacked files
SH256 hash:
4749186ec02e1600ae8b8031478d7ce7074e96cf70de008ef0037f2d63e93647
MD5 hash:
dd1686af7c0178fb6f333f94b3d7de5b
SHA1 hash:
6712f52409f26caca85e2dac568c556b5abffb74
Detections:
win_bazarbackdoor_auto
Create hunting rule
win_brute_ratel_c4_a0
Create hunting rule
Link:
https://www.unpac.me/results/fe22fa23-54a5-4c47-a529-f15bc6e187a8/
Parent samples :
5c7a3bd2baa8303354d8098b8d5961f111e467002bb0c6fee120825b32798228
4749186ec02e1600ae8b8031478d7ce7074e96cf70de008ef0037f2d63e93647
SH256 hash:
5c7a3bd2baa8303354d8098b8d5961f111e467002bb0c6fee120825b32798228
MD5 hash:
4d343ce28a572f1bca64473232a039a9
SHA1 hash:
aaf14040d4ee2a03d48d961f7d70970d4513237f
Link:
https://www.unpac.me/results/fe22fa23-54a5-4c47-a529-f15bc6e187a8/
Malware family:
Latrodectus
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5c7a3bd2baa8/report/overview.html
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:Detect_Malicious_VBScript_Base64
Create hunting rule
Author:daniyyell
Description:Detects malicious VBScript patterns, including Base64 decoding, file operations, and PowerShell.
Rule name:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:pe_detect_tls_callbacks
Create hunting rule

File information

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

BazaLoader

Executable exe 5c7a3bd2baa8303354d8098b8d5961f111e467002bb0c6fee120825b32798228

(this sample)

BruteRatel

Executable exe d8080b4f7a238f28435649f74fdd5679f7f7133ea81d12d9f10b05017b0897b1

BruteRatel

Executable exe ba847f3edf4f9c540641c30f45e40baee8287d30d5aef59543d24f0375140f27

BruteRatel

Executable exe 4749186ec02e1600ae8b8031478d7ce7074e96cf70de008ef0037f2d63e93647

  
Dropping
SHA256 4749186ec02e1600ae8b8031478d7ce7074e96cf70de008ef0037f2d63e93647
  
Dropping
MD5 dd1686af7c0178fb6f333f94b3d7de5b

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_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (FORCE_INTEGRITY)high
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
RPC_APICan Execute Remote ProceduresRPCRT4.dll::RpcMgmtStopServerListening
RPCRT4.dll::RpcMgmtWaitServerListen
RPCRT4.dll::RpcServerListen
RPCRT4.dll::RpcServerRegisterIfEx
RPCRT4.dll::RpcServerUnregisterIf
RPCRT4.dll::RpcServerUseProtseqEpW
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::GetTokenInformation
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileExW
KERNEL32.dll::GetSystemDirectoryW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
KERNEL32.dll::QueryDosDeviceW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenCurrentUser
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryInfoKeyW
ADVAPI32.dll::RegQueryValueExW

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