MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6bb2386101837fd4e8a32018f2d8ec5bbd646bef9a5513783f782fe2ae1ff3e0. 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: 17


Intelligence 17 IOCs YARA 28 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6bb2386101837fd4e8a32018f2d8ec5bbd646bef9a5513783f782fe2ae1ff3e0
SHA3-384 hash: ad9664559385474e3ea416e7e9159b61e005e10000a343f2f692dd323ea6826430d9e0db285522f4ed3ec4c37337721b
SHA1 hash: adb18cfc0151199bf5e159cc6d9b44089e911b08
MD5 hash: ddcd5c52e63a4df0de291d5c6c5c0ff9
humanhash: oven-video-wolfram-cola
File name:1724651706a74abcdfafd3b4ccafd9d5fb86ab12740c2c566c975c7fc300271cac9d6890ea806.dat-decoded
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:64'512 bytes
First seen:2024-08-26 05:55:08 UTC
Last seen:2024-09-08 06:50:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 1536:nqVdKDvN8koKoKuHUYFcO8I5bnAPzqvpPuK6crXlTGpx:nqXKbN8kmKuHUYFuI5bn/huUlyx
TLSH T19853F8013BE98026F3BE8F7469F2628546FAF5AB6D12D54D1CC810CE0532B869951FBF
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:AsyncRAT base64-decoded exe trabajo25-duckdns-org


Avatar
abuse_ch
Malware dropped as base64 encoded payload

Intelligence

File Origin
# of uploads :
2
# of downloads :
392
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
1724651706a74abcdfafd3b4ccafd9d5fb86ab12740c2c566c975c7fc300271cac9d6890ea806.dat-decoded
Verdict:
Malicious activity
Analysis date:
2024-08-26 05:59:55 UTC
Tags:
asyncrat rat
Link:
https://app.any.run/tasks/7c986196-ae7d-4d18-8899-20d32e2df29d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Razy-9625918-0
Create hunting rule

Win.Packed.AsyncRAT-9856570-1
Create hunting rule

Win.Packed.AsyncRAT-9861056-1
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66cc18f4b2a4681a72969e94
Tags:
Network Stealth
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Verdict:
Malicious
Labled as:
AsyncRAT.Marte.B.Generic
Link:
https://www.hybrid-analysis.com/sample/6bb2386101837fd4e8a32018f2d8ec5bbd646bef9a5513783f782fe2ae1ff3e0
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c404a148-0ccd-4a99-94de-5007b8599d43
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1498877
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
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 Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6bb2386101837fd4e8a32018f2d8ec5bbd646bef9a5513783f782fe2ae1ff3e0
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6bb2386101837fd4e8a32018f2d8ec5bbd646bef9a5513783f782fe2ae1ff3e0/
Threat name:
ByteCode-MSIL.Backdoor.AsyncRat
Create hunting rule
Status:
Malicious
First seen:
2024-08-26 05:56:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
32 of 38 (84.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nozdqyibqn75j2fdeampfwhmlo6wi27ptjkrg6b7pax6flq76pqa._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 rat
Link:
https://tria.ge/reports/240826-gm1rbsycmf/
Behaviour
System Location Discovery: System Language Discovery
AsyncRat
Malware Config
C2 Extraction:
trabajo25.duckdns.org:3000
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/58363a91-06ba-41e8-b3fc-b68ec24ca6a9
Unpacked files
SH256 hash:
6bb2386101837fd4e8a32018f2d8ec5bbd646bef9a5513783f782fe2ae1ff3e0
MD5 hash:
ddcd5c52e63a4df0de291d5c6c5c0ff9
SHA1 hash:
adb18cfc0151199bf5e159cc6d9b44089e911b08
Detections:
AsyncRAT
Create hunting rule
win_asyncrat_w0
Create hunting rule
asyncrat
Create hunting rule
Link:
https://www.unpac.me/results/a6459879-825c-42b2-9d15-76876bddbb01/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6bb238610183/report/overview.html
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:AsyncRat
Create hunting rule
Author:kevoreilly, JPCERT/CC Incident Response Group
Description:AsyncRat Payload
Rule name:asyncrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:asyncrat_kingrat
Create hunting rule
Author:jeFF0Falltrades
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Create hunting rule
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:malware_asyncrat
Create hunting rule
Description:detect AsyncRat in memory
Reference:https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp
Rule name:malware_asyncrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:MAL_AsnycRAT
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:Mal_WIN_AsyncRat_RAT_PE
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect AsyncRAT implant.
Rule name:msil_suspicious_use_of_strreverse
Create hunting rule
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:SUSP_Reverse_Run_Key
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a Reversed Run Key
Rule name:Windows_Generic_Threat_ce98c4bc
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Asyncrat_11a11ba1
Create hunting rule
Author:Elastic Security
Rule name:win_asyncrat_bytecodes
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects bytecodes present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc)
Rule name:win_asyncrat_j1
Create hunting rule
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_unobfuscated
Create hunting rule
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)
Rule name:win_asyncrat_w0
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research

File information

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

a74abcdfafd3b4ccafd9d5fb86ab12740c2c566c975c7fc300271cac9d6890ea

AsyncRAT

Executable exe 6bb2386101837fd4e8a32018f2d8ec5bbd646bef9a5513783f782fe2ae1ff3e0

(this sample)

  
Dropped by
SHA256 a74abcdfafd3b4ccafd9d5fb86ab12740c2c566c975c7fc300271cac9d6890ea
  
Dropped by
MD5 c59f3fa3a52c7fc29b9094970c3cdeb9
  
URLhaus
https://urlhaus.abuse.ch/url/3128956/
  
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 (GUARD_CF)high

Comments