MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cfe65a88ebc858c083c6bfd48d1caf16128a420d9352b46c3107b8b1a1614639. 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: 11


Intelligence 11 IOCs YARA 8 File information Comments

SHA256 hash: cfe65a88ebc858c083c6bfd48d1caf16128a420d9352b46c3107b8b1a1614639
SHA3-384 hash: 9707de53566f008ba9f31c30f225738820f04c16a0c2b20de58c70990c2c7b528f053e6b907c70d998ba6a7b1da9a6b2
SHA1 hash: d9caf04e6899e2b61534275d838211f3a8e8f250
MD5 hash: 024ea02348b7d7680e8342e08fa81f04
humanhash: equal-apart-solar-magnesium
File name:download.dat.exe
Download: download sample
Signature AsyncRAT
File size:48'640 bytes
First seen:2022-04-27 16:40:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:oq+s3pUtDILNCCa+Dif21jhCpTYiu+YbfgeSkoi6vEgK/JfZVc6KN:oq+AGtQOoeWlboT1znkJfZVclN
Threatray 2'244 similar samples on MalwareBazaar
TLSH T1CF237D4037A8C135E6BD4BB5A8F3A20582B5D2676D03DA5D6CC810EA1B13FC697436FE
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter James_inthe_box
Tags:AsyncRAT exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
284
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm asyncrat coinminer configsecuritypolicy.exe dcrat evasive hacktool mpcmdrun.exe msconfig.exe njrat obfuscated packed rat regedit.exe replace.exe
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
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Detected unpacking (overwrites its own PE header)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Yara detected AsyncRAT
Yara detected DcRat
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-13 06:52:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
37 of 42 (88.10%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:default rat suricata
Behaviour
Suspicious use of AdjustPrivilegeToken
Async RAT payload
AsyncRat
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT)
Malware Config
C2 Extraction:
sky01.publicvm.com:9217
Unpacked files
SH256 hash:
cfe65a88ebc858c083c6bfd48d1caf16128a420d9352b46c3107b8b1a1614639
MD5 hash:
024ea02348b7d7680e8342e08fa81f04
SHA1 hash:
d9caf04e6899e2b61534275d838211f3a8e8f250
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: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: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

File information


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

  
Delivery method
Other

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