MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b729cb7c7d368f60162b4ad181b3e124e22c846923afc40fe021cf2e85d0a8dd. 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


AsyncRAT


Vendor detections: 12


Intelligence 12 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b729cb7c7d368f60162b4ad181b3e124e22c846923afc40fe021cf2e85d0a8dd
SHA3-384 hash: 84dc2f525f71e0ddaa3329e0193321563adedf298a00b0b3f567c1895b76a36461e7776af861ae49175bf2b42dbe27a1
SHA1 hash: b8505dba60bbc9db5a2f186394ca7aa729b0a130
MD5 hash: 61a9118bcc03f7f44a6737ac3460d5a3
humanhash: mississippi-fruit-indigo-ack
File name:SecuriteInfo.com.Win64.Malware-gen.6815.27736
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:22'057'608 bytes
First seen:2024-03-05 16:30:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5bfc2bffe4a3a24640d426c03d9e7493 (1 x AsyncRAT)
ssdeep 196608:1r4hfG1SXQxqlxR5PxcGpH5vsVaN6sEzfntkE7UO8MWBT4Ti9:544MX1lf5+2H8aNmTntkE9xmv9
TLSH T157279E2F31A88118C15EC53BD5B3EF44D57774B50B36C1EB328E1A64CF66AD29E3A620
TrID 47.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
34.5% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
3.7% (.EXE) Win32 Executable (generic) (4504/4/1)
1.6% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 13f0ccd4d4693296 (2 x AsyncRAT, 1 x RecordBreaker)
Reporter SecuriteInfoCom
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
370
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
231026-bqq4eaae92_pw_infected.zip
Verdict:
Malicious activity
Analysis date:
2024-03-06 01:27:32 UTC
Tags:
hausbomber opendir loader
Link:
https://app.any.run/tasks/1c0aff4f-f562-4576-882b-0fa9f633b53a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win64.Malware-gen.6815.27736.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Launching cmd.exe command interpreter
Creating a file
Transferring files using the Background Intelligent Transfer Service (BITS)
Enabling the 'hidden' option for recently created files
Launching a process
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm crypto evasive explorer fingerprint keylogger lolbin overlay packed phishing
Link:
https://www.filescan.io/uploads/65e748c93b77ec65256610de/reports/e17dc2fe-bbc8-4919-a1de-022e25b88825/overview
Verdict:
Suspicious
Labled as:
Win64/TrojanDownloader.Rugmi
Link:
https://www.hybrid-analysis.com/sample/b729cb7c7d368f60162b4ad181b3e124e22c846923afc40fe021cf2e85d0a8dd
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1403581
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contain functionality to detect virtual machines
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1403581 Sample: SecuriteInfo.com.Win64.Malw... Startdate: 05/03/2024 Architecture: WINDOWS Score: 100 59 koradon.giize.com 2->59 61 www.math.utah.edu 2->61 63 5 other IPs or domains 2->63 79 Snort IDS alert for network traffic 2->79 81 Found malware configuration 2->81 83 Malicious sample detected (through community Yara rule) 2->83 85 8 other signatures 2->85 10 SecuriteInfo.com.Win64.Malware-gen.6815.27736.exe 23 2->10         started        14 vmtoolsd.exe 1 2->14         started        signatures3 process4 dnsIp5 67 www.math.utah.edu 155.101.98.133, 443, 49713 UTAHUS United States 10->67 69 github.com 140.82.114.4, 443, 49714, 49715 GITHUBUS United States 10->69 71 raw.githubusercontent.com 185.199.111.133, 443, 49716 FASTLYUS Netherlands 10->71 49 C:\Users\user\AppData\Local\...\vmtoolsd.exe, PE32 10->49 dropped 51 C:\Users\user\AppData\Local\...\vmtools.dll, PE32 10->51 dropped 53 C:\Users\user\AppData\Local\Temp\...\intl.dll, PE32 10->53 dropped 55 5 other malicious files 10->55 dropped 17 vmtoolsd.exe 11 10->17         started        91 Maps a DLL or memory area into another process 14->91 21 cmd.exe 2 14->21         started        file6 signatures7 process8 file9 39 C:\Users\user\AppData\...\vmtoolsd.exe, PE32 17->39 dropped 41 C:\Users\user\AppData\Roaming\...\vmtools.dll, PE32 17->41 dropped 43 C:\Users\user\AppData\Roaming\...\intl.dll, PE32 17->43 dropped 47 5 other malicious files 17->47 dropped 73 Contain functionality to detect virtual machines 17->73 23 vmtoolsd.exe 1 17->23         started        45 C:\Users\user\AppData\...\qsmrojmdrqxqol, PE32 21->45 dropped 75 Writes to foreign memory regions 21->75 77 Maps a DLL or memory area into another process 21->77 26 MSBuild.exe 3 21->26         started        28 conhost.exe 21->28         started        signatures10 process11 signatures12 87 Contain functionality to detect virtual machines 23->87 89 Maps a DLL or memory area into another process 23->89 30 cmd.exe 4 23->30         started        process13 file14 57 C:\Users\user\AppData\Local\...\qvgsofgsrfjlh, PE32 30->57 dropped 93 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 30->93 95 Writes to foreign memory regions 30->95 97 Found hidden mapped module (file has been removed from disk) 30->97 99 Maps a DLL or memory area into another process 30->99 34 MSBuild.exe 2 30->34         started        37 conhost.exe 30->37         started        signatures15 process16 dnsIp17 65 koradon.giize.com 45.76.46.64, 49729, 6606 AS-CHOOPAUS United States 34->65
Score:
60%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/b729cb7c7d368f60162b4ad181b3e124e22c846923afc40fe021cf2e85d0a8dd
Gathering data
Threat name:
Win64.Malware.Generic
Create hunting rule
Status:
Suspicious
First seen:
2024-03-05 15:21:39 UTC
File Type:
PE+ (Exe)
Extracted files:
383
AV detection:
3 of 38 (7.89%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w4u4w7d5g2hwafrljliydm7betrczbdjeox4id7aehhs5boqvdoq._file
Verdict:
unknown
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat rat
Link:
https://tria.ge/reports/240305-t1dj6scb44/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Executes dropped EXE
Loads dropped DLL
AsyncRat
Malware Config
C2 Extraction:
koradon.giize.com:6606
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b729cb7c7d36/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/b729cb7c7d368f60162b4ad181b3e124e22c846923afc40fe021cf2e85d0a8dd

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:Borland
Create hunting rule
Author:malware-lu
Rule name:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:QbotStuff
Create hunting rule
Author:anonymous
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants

File information

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

Web download

AsyncRAT

Executable exe b729cb7c7d368f60162b4ad181b3e124e22c846923afc40fe021cf2e85d0a8dd

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2776125/
  
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
AUTH_APIManipulates User Authorizationadvapi32.dll::AllocateAndInitializeSid
advapi32.dll::EqualSid
advapi32.dll::FreeSid
advapi32.dll::RevertToSelf
advapi32.dll::InitializeSecurityDescriptor
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
KERNEL_APIManipulates Windows Kernel & Driversntdll.dll::RtlInitUnicodeString
MULTIMEDIA_APICan Play Multimediagdi32.dll::StretchDIBits
SECURITY_BASE_APIUses Security Base APIadvapi32.dll::AdjustTokenPrivileges
advapi32.dll::GetTokenInformation
advapi32.dll::ImpersonateLoggedOnUser
advapi32.dll::SetSecurityDescriptorDacl
advapi32.dll::SetTokenInformation
SHELL_APIManipulates System Shellshell32.dll::ShellExecuteW
shell32.dll::ShellExecuteExW
SS_APIUses SS APIadvapi32.dll::CryptVerifySignatureW
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CreateProcessW
advapi32.dll::OpenProcessToken
kernel32.dll::OpenProcess
advapi32.dll::OpenThreadToken
winhttp.dll::WinHttpCloseHandle
kernel32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIkernel32.dll::TerminateProcess
kernel32.dll::FindFirstVolumeW
kernel32.dll::FindNextVolumeW
kernel32.dll::LoadLibraryA
kernel32.dll::LoadLibraryExW
kernel32.dll::LoadLibraryW
WIN_BASE_EXEC_APICan Execute other programskernel32.dll::FreeConsole
kernel32.dll::GetConsoleOutputCP
kernel32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create Fileskernel32.dll::CopyFileW
kernel32.dll::CreateDirectoryW
kernel32.dll::CreateFileW
kernel32.dll::CreateFileMappingW
kernel32.dll::DeleteFileW
kernel32.dll::MoveFileW
WIN_BASE_USER_APIRetrieves Account Informationkernel32.dll::GetComputerNameW
advapi32.dll::GetUserNameW
advapi32.dll::LogonUserW
advapi32.dll::LookupAccountSidW
advapi32.dll::LookupPrivilegeValueW
kernel32.dll::QueryDosDeviceW
WIN_CRYPT_APIUses Windows Crypt APIcrypt32.dll::CertFindCertificateInStore
advapi32.dll::CryptAcquireContextW
advapi32.dll::CryptCreateHash
advapi32.dll::CryptGenRandom
advapi32.dll::CryptGetHashParam
advapi32.dll::CryptHashData
WIN_HTTP_APIUses HTTP serviceswinhttp.dll::WinHttpAddRequestHeaders
winhttp.dll::WinHttpConnect
winhttp.dll::WinHttpGetIEProxyConfigForCurrentUser
winhttp.dll::WinHttpGetProxyForUrl
winhttp.dll::WinHttpOpenRequest
winhttp.dll::WinHttpOpen
WIN_NETWORK_APISupports Windows Networkingmpr.dll::WNetEnumResourceW
mpr.dll::WNetGetUniversalNameW
mpr.dll::WNetOpenEnumW
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegConnectRegistryW
advapi32.dll::RegCreateKeyExW
advapi32.dll::RegDeleteKeyW
advapi32.dll::RegLoadKeyW
advapi32.dll::RegOpenKeyExW
advapi32.dll::RegQueryInfoKeyW
WIN_TRUST_APIUses Windows Trust APIwintrust.dll::WinVerifyTrust
WIN_USER_APIPerforms GUI Actionsuser32.dll::ActivateKeyboardLayout
user32.dll::CreateMenu
user32.dll::EmptyClipboard
user32.dll::FindWindowExW
user32.dll::FindWindowW
user32.dll::OpenClipboard

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