MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4acdc95e84a15b5af10b513c1629b3fac7f398c5c44f9445934ad0d7b81ac908. 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: 13


Intelligence 13 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4acdc95e84a15b5af10b513c1629b3fac7f398c5c44f9445934ad0d7b81ac908
SHA3-384 hash: c500b5bbe1c33fb47b8ad0b416f4b22406d11fadeddcb5f56c2e50d1f6062e5269fcc1e482cdcd58c0db37aa85666b98
SHA1 hash: 0d44b7262f2656c22479bd45b2b05ef0a1364ab8
MD5 hash: fb962c2aac3ebcb22bfe895c456a0d61
humanhash: don-triple-diet-rugby
File name:DOCUMENTO.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:33'591'436 bytes
First seen:2024-09-18 12:35:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a29af1dc2c4d5c8d6d516730376bef07 (1 x AsyncRAT)
ssdeep 393216:h5nOYndLMIiWP/65X1Rme/o1NROh2gA/hcxVQU:7doIi/3R3/iJgyc7F
TLSH T16C778D31F264CA72D0CA0B395497B651533270678FE7970302E866BCBD896943F7AA4F
TrID 47.1% (.EXE) Inno Setup installer (107240/4/30)
25.3% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
18.2% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
4.6% (.EXE) Win64 Executable (generic) (10523/12/4)
1.9% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon eccccc9cc4d8e8f4 (2 x SnakeKeylogger, 1 x GuLoader, 1 x BazaLoader)
Reporter JAMESWT_WT
Tags:AsyncRAT exe imperiodosabor-shop

Intelligence

File Origin
# of uploads :
1
# of downloads :
408
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
adwind
Create hunting rule
ID:
1
File name:
DOCUMENTO.exe
Verdict:
Malicious activity
Analysis date:
2024-09-18 13:15:11 UTC
Tags:
adwind asyncrat
Link:
https://app.any.run/tasks/0180ca56-aa7d-4be8-9c06-99dca70b4d19

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66eac942f72de0d131be9b53
Tags:
Execution Generic Network Stealth Trojan Nekark
Verdict:
Malicious
Labled as:
MSIL.Androm.Generic
Link:
https://www.hybrid-analysis.com/sample/4acdc95e84a15b5af10b513c1629b3fac7f398c5c44f9445934ad0d7b81ac908
Result
Verdict:
MALICIOUS
Result
Threat name:
AsyncRAT, DcRat, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1513141
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Drops PE files to the user root directory
Found malware configuration
Initial sample is a PE file and has a suspicious name
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Execution from Suspicious Folder
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Suspicious Program Location with Network Connections
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected DcRat
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1513141 Sample: DOCUMENTO.exe Startdate: 18/09/2024 Architecture: WINDOWS Score: 100 65 imperiodosabor.shop 2->65 71 Multi AV Scanner detection for domain / URL 2->71 73 Found malware configuration 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 16 other signatures 2->77 12 DOCUMENTO.exe 2 2->12         started        16 wmplayer.exe 2 2->16         started        18 wmplayer.exe 2->18         started        signatures3 process4 file5 61 C:\Users\Public\wmplayer.exe, PE32 12->61 dropped 63 C:\Users\Public\Java.jar, Zip 12->63 dropped 89 Drops PE files to the user root directory 12->89 91 Adds a directory exclusion to Windows Defender 12->91 20 cmd.exe 1 12->20         started        22 cmd.exe 1 12->22         started        93 Antivirus detection for dropped file 16->93 95 Multi AV Scanner detection for dropped file 16->95 97 Machine Learning detection for dropped file 16->97 25 wmplayer.exe 2 16->25         started        27 wmplayer.exe 18->27         started        signatures6 process7 signatures8 29 powershell.exe 7 20->29         started        31 conhost.exe 20->31         started        79 Adds a directory exclusion to Windows Defender 22->79 33 powershell.exe 23 22->33         started        36 conhost.exe 22->36         started        process9 signatures10 38 wmplayer.exe 1 4 29->38         started        69 Loading BitLocker PowerShell Module 33->69 42 powershell.exe 3 8 33->42         started        44 WmiPrvSE.exe 33->44         started        46 conhost.exe 33->46         started        48 cmd.exe 1 33->48         started        process11 file12 59 C:\Users\user\AppData\Roaming\wmplayer.exe, PE32 38->59 dropped 81 Antivirus detection for dropped file 38->81 83 Multi AV Scanner detection for dropped file 38->83 85 Machine Learning detection for dropped file 38->85 87 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 38->87 50 wmplayer.exe 2 38->50         started        52 javaw.exe 8 42->52         started        signatures13 process14 dnsIp15 67 imperiodosabor.shop 65.38.120.211, 49704, 49705, 49713 SRS-6-Z-7381US United States 52->67 55 icacls.exe 1 52->55         started        process16 process17 57 conhost.exe 55->57         started       
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4acdc95e84a15b5af10b513c1629b3fac7f398c5c44f9445934ad0d7b81ac908
Gathering data
Threat name:
Win32.Trojan.Nekark
Create hunting rule
Status:
Malicious
First seen:
2024-06-14 15:05:13 UTC
File Type:
PE (Exe)
Extracted files:
2184
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jlg4sxueufnvv4ilke6bmknt7ld7hggfyrhzirmtjlinpoa2zeea._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default discovery execution persistence rat
Link:
https://tria.ge/reports/240918-psxwma1cja/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
AsyncRat
Malware Config
C2 Extraction:
imperiodosabor.shop:8821
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3dacfc02-9f88-4fc8-8d52-8cc481ab7e38
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:BobSoftMiniDelphiBoBBobSoft
Create hunting rule
Author:malware-lu
Rule name:Borland
Create hunting rule
Author:malware-lu
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_APT29_WINELOADER_Backdoor
Create hunting rule
Author:daniyyell
Description:Detects APT29's WINELOADER backdoor variant used in phishing campaigns, this rule also detect bad pdf,shtml,htm and vbs or maybe more depends
Reference:https://cloud.google.com/blog/topics/threat-intelligence/apt29-wineloader-german-political-parties
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:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:test_Malaysia
Create hunting rule
Author:rectifyq
Description:Detects file containing malaysia string
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

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_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
MULTIMEDIA_APICan Play Multimediagdi32.dll::StretchDIBits
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryA
kernel32.dll::LoadLibraryExW
kernel32.dll::LoadLibraryW
kernel32.dll::GetSystemInfo
kernel32.dll::GetStartupInfoW
kernel32.dll::GetDiskFreeSpaceW
WIN_BASE_EXEC_APICan Execute other programskernel32.dll::WinExec
kernel32.dll::GetConsoleOutputCP
kernel32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileW
kernel32.dll::GetFileAttributesW
kernel32.dll::FindFirstFileW
version.dll::GetFileVersionInfoSizeW
version.dll::GetFileVersionInfoW
WIN_BASE_USER_APIRetrieves Account Informationkernel32.dll::GetComputerNameW
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegConnectRegistryW
advapi32.dll::RegCreateKeyExW
advapi32.dll::RegDeleteKeyW
advapi32.dll::RegLoadKeyW
advapi32.dll::RegOpenKeyExW
advapi32.dll::RegQueryInfoKeyW
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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