MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8a1c4f77ce8cfc669fcc605d3b609cfbb04c24ba498434f266a4e5b486a0d4e. 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



Threat unknown


Vendor detections: 14


Intelligence 14 IOCs YARA 7 File information Comments

SHA256 hash: a8a1c4f77ce8cfc669fcc605d3b609cfbb04c24ba498434f266a4e5b486a0d4e
SHA3-384 hash: d84c8ef62cb5d4b5bddc70d40330d83fdb855762e6b85be5dc6a2e701b4b7f7d4ca8400122144f797e478567e32ddb8f
SHA1 hash: 3101f4195f10fc5497d9a0f07b63230f7caa7245
MD5 hash: 0054228a88a8486cbb5691b3192d8ece
humanhash: oregon-william-apart-east
File name:0054228a88a8486cbb5691b3192d8ece.exe
Download: download sample
File size:294'016 bytes
First seen:2024-10-23 14:39:51 UTC
Last seen:2024-10-23 15:55:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 31770ac6e89309fe8c99522fb04f055c (8 x LummaStealer, 6 x Vidar)
ssdeep 6144:SuQ7Keiw2TXXjYO+IeTYFuRlq6LEc6zLfhuX5AJcRalr7v:zLeiw2TnknR3Ec6PfYXKJcIlr7v
TLSH T1E154AE227580C073D52325320AF4EBB56E7DF9304E655E9F67984B7E0F70281EA31A6B
TrID 32.2% (.EXE) Win64 Executable (generic) (10522/11/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4504/4/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter abuse_ch
Tags:exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
398
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0054228a88a8486cbb5691b3192d8ece.exe
Verdict:
Malicious activity
Analysis date:
2024-10-23 14:51:54 UTC
Tags:
xor-url generic

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Tags:
Injection Exploit Obfusc
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Creating a file in the %temp% subdirectories
Enabling the 'hidden' option for files in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint microsoft_visual_cc packed packed packer_detected
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.
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
72 / 100
Signature
AI detected suspicious sample
Allocates memory in foreign processes
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Sigma detected: New RUN Key Pointing to Suspicious Folder
Writes to foreign memory regions
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1540294 Sample: otq9AG1EIk.exe Startdate: 23/10/2024 Architecture: WINDOWS Score: 72 36 Multi AV Scanner detection for submitted file 2->36 38 Sigma detected: New RUN Key Pointing to Suspicious Folder 2->38 40 Machine Learning detection for sample 2->40 42 AI detected suspicious sample 2->42 8 otq9AG1EIk.exe 2->8         started        11 Honda.exe 1 2->11         started        13 Honda.exe 1 2->13         started        15 Honda.exe 1 2->15         started        process3 signatures4 44 Writes to foreign memory regions 8->44 46 Allocates memory in foreign processes 8->46 48 Injects a PE file into a foreign processes 8->48 17 WerFault.exe 21 16 8->17         started        20 MSBuild.exe 1 5 8->20         started        22 conhost.exe 1 11->22         started        24 conhost.exe 13->24         started        26 conhost.exe 15->26         started        process5 file6 32 C:\ProgramData\Microsoft\...\Report.wer, Unicode 17->32 dropped 34 C:\Users\user\AppData\Local\...\Honda.exe, PE32 20->34 dropped 28 Honda.exe 2 20->28         started        process7 process8 30 conhost.exe 28->30         started       
Threat name:
Win32.Trojan.LummaC
Status:
Malicious
First seen:
2024-10-22 14:37:54 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence
Behaviour
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
Executes dropped EXE
Loads dropped DLL
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:pe_detect_tls_callbacks
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits

File information


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

Web download

Executable exe a8a1c4f77ce8cfc669fcc605d3b609cfbb04c24ba498434f266a4e5b486a0d4e

(this sample)

  
Delivery method
Distributed via web download

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 (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThreadpoolWork
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW

Comments