MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e62abb1e27644784576d415c4d4ab2d726611d87c91ae432991acc8f7a5ca7a. 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: 19


Intelligence 19 IOCs YARA 20 File information Comments 1

SHA256 hash: 4e62abb1e27644784576d415c4d4ab2d726611d87c91ae432991acc8f7a5ca7a
SHA3-384 hash: 203a3603b6d80478af8a0bf9ba943f60206802cd702c3caca15d0127300783650004b847a2ed3d8bcad6058f8bf6b65b
SHA1 hash: 876566d7798308199ad031a33dbc207f2a1d5d58
MD5 hash: 5eafaa2bd92e7c9581b234dc843fcd35
humanhash: north-indigo-texas-emma
File name:173692842652428d87238e3bb88911c7c347ed628a8e4dd90f495bd3f66fffa2ae4df6173f907.dat-decoded
Download: download sample
Signature AsyncRAT
File size:48'640 bytes
First seen:2025-01-15 08:07:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 768:sq+s3pUtDILNCCa+DiA9anAL4KiiibYbYgernRNt+EiQvEgK/JbZVc6KN:sq+AGtQOA9U64K80bPInR+EiQnkJbZVS
TLSH T135236C4037A8C13AE2FD4BB4ACF3A1458275D65B6903DA5D7CC814AA1B13FC59A036FE
TrID 44.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
34.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
6.3% (.EXE) Win64 Executable (generic) (10522/11/4)
3.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter abuse_ch
Tags:AsyncRAT base64-decoded exe


Avatar
abuse_ch
Malware dropped as base64 encoded payload

Intelligence


File Origin
# of uploads :
1
# of downloads :
447
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
173692842652428d87238e3bb88911c7c347ed628a8e4dd90f495bd3f66fffa2ae4df6173f907.dat-decoded
Verdict:
Malicious activity
Analysis date:
2025-01-15 08:20:11 UTC
Tags:
asyncrat dcrat rat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
Tags:
micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm configsecuritypolicy hacktool lolbin mpcmdrun msconfig njrat rat regedit vbnet
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:
AsyncRAT, DcRat
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Yara detected AsyncRAT
Yara detected DcRat
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2025-01-15 08:08:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
asyncrat
Similar samples:
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:newstar rat
Behaviour
AsyncRat
Asyncrat family
Malware Config
C2 Extraction:
windowsdrivers.duckdns.org:8848
Verdict:
Malicious
Tags:
rat asyncrat dcrat dcrat Win.Malware.Generickdz-9865912-0
YARA:
asyncrat win_asyncrat_unobfuscated Windows_Generic_Threat_ce98c4bc
Unpacked files
SH256 hash:
4e62abb1e27644784576d415c4d4ab2d726611d87c91ae432991acc8f7a5ca7a
MD5 hash:
5eafaa2bd92e7c9581b234dc843fcd35
SHA1 hash:
876566d7798308199ad031a33dbc207f2a1d5d58
Detections:
DCRat AsyncRAT
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:AcRat
Author:Nikos 'n0t' Totosis
Description:AcRat Payload (based on AsyncRat)
Rule name:dcrat
Author:jeFF0Falltrades
Rule name:dcrat_kingrat
Author:jeFF0Falltrades
Rule name:dcrat_rkp
Author:jeFF0Falltrades
Description:Detects DCRat payloads
Rule name:INDICATOR_SUSPICIOUS_EXE_B64_Artifacts
Author:ditekSHen
Description:Detects executables embedding bas64-encoded APIs, command lines, registry keys, etc.
Rule name:INDICATOR_SUSPICIOUS_EXE_DcRatBy
Author:ditekSHen
Description:Detects executables containing the string DcRatBy
Rule name:INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice
Author:ditekSHen
Description:Detects executables attemping to enumerate video devices using WMI
Rule name:MAL_AsnycRAT
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:Mal_WIN_AsyncRat_RAT_PE
Author:Phatcharadol Thangplub
Description:Use to detect AsyncRAT implant.
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:Windows_Generic_Threat_ce98c4bc
Author:Elastic Security
Rule name:Windows_Trojan_DCRat_1aeea1ac
Author:Elastic Security
Rule name:win_asyncrat_unobfuscated
Author:Matthew @ Embee_Research
Description:Detects strings present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc)

File information


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

52428d87238e3bb88911c7c347ed628a8e4dd90f495bd3f66fffa2ae4df6173f

AsyncRAT

Executable exe 4e62abb1e27644784576d415c4d4ab2d726611d87c91ae432991acc8f7a5ca7a

(this sample)

  
Dropped by
SHA256 52428d87238e3bb88911c7c347ed628a8e4dd90f495bd3f66fffa2ae4df6173f
  
Dropped by
MD5 0c8d5d0e63c4e4b7e4431cfe2334e3d3
  
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

Comments



Avatar
commented on 2025-01-15 08:10:46 UTC

RAT King Parser (https://github.com/jeFF0Falltrades/rat_king_parser) Output:

{
"sha256": "4e62abb1e27644784576d415c4d4ab2d726611d87c91ae432991acc8f7a5ca7a",
"yara_possible_family": "dcrat",
"key": "f610660b34a9757b6d654fc5ea5b6aaf2bb89edf61e49f47254dabd453e98834",
"salt": "4463526174427971777164616e6368756e",
"config": {
"Ports": [
"8848"
],
"Hosts": [
"windowsdrivers.duckdns.org"
],
"Version": " 1.0.7",
"Install": "false",
"InstallFolder": "%AppData%",
"InstallFile": "",
"Key": "VkRyZzA5ZW1zSmJWazdOMWQ1TzdJaGxPMURRSGdqTEY=",
"Mutex": "DcRatMutex_qwqdanchun",
"Certificate": "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",
"Serversignature": "TB93a8pJpSNVMSMvdgCr3Ech8t4vd8UulF3tB96WhbIVdB9+Bts1VK7yJHpqUBCps13Wi6nViRjlpUvT+iuuo+Wzi/6n5psyy+MzCOvfiLjaHhgrzFC6QzQaK3TrOcL4RTEjn9wmwGZAZw3Eoex2kfpv3S2h0a2dLveNGUbDmds=",
"Pastebin": "null",
"BSOD": "false",
"Hwid": "null",
"Delay": "1",
"Group": "NewsTar",
"AntiProcess": "false",
"Anti": "false"
}
}