MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 719c95505d23e22e466de7e3a67538860f12fe31a15c673362712b47e09244f5. 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: 8


Intelligence 8 IOCs YARA 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 719c95505d23e22e466de7e3a67538860f12fe31a15c673362712b47e09244f5
SHA3-384 hash: 059fcdadf0c4998e97a86362228a742fee45625d983ca682293f17f85cc8d6780d0a2bb226076cd29298f0ec11f8e326
SHA1 hash: 754be7f564706b7f324bb5c2d46d58f7c84ed279
MD5 hash: a4b2e852228b19f3db8c4bb7a40c3e5f
humanhash: nevada-fanta-lithium-romeo
File name:Notification of transfer made - Santander142023.rar
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:173'002 bytes
First seen:2023-09-15 06:49:00 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 3072:+L31ZGgcsKuvP6Thmcy6bzVprBAs6UKoq0yiw7bWbf:E3ugdvP6K6b/rBAsq/iw0
TLSH T118F3ADC4D6B84ED2F9FB4E3D54AE11752AEFB02EF281D61A5489456C2607FCB1C128CB
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:AsyncRAT rar


Avatar
cocaman
Malicious email (T1566.001)
From: "netbancoempresas@santander.pt" (likely spoofed)
Received: "from [74.81.45.77] (unknown [74.81.45.77]) "
Date: "14 Sep 2023 19:28:05 -0700"
Subject: "Subject: Notification of transfer made - Santander 9/14/2023 7:28:05 p.m."
Attachment: "Notification of transfer made - Santander142023.rar"

Intelligence

File Origin
# of uploads :
1
# of downloads :
89
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:Notification of transfer made - Santander142023.exe
File size:172'768 bytes
SHA256 hash: e296fd745e2a6dfb3f345a73e59174d5236c9c55855c8ee0c5602955614d9794
MD5 hash: 460c5e2904724e5babe7c3f7eaaf8de9
MIME type:application/x-dosexec
Signature AsyncRAT
Vendor Threat Intelligence
Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/719c95505d23e22e466de7e3a67538860f12fe31a15c673362712b47e09244f5/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade obfuscated overlay packed packed smartassembly smart_assembly
Link:
https://www.filescan.io/uploads/6503fe6125e2ece4df6ef571/reports/65965bce-0cd0-45fb-89bc-4ad82ec03f97/overview
Verdict:
Malicious
Link:
https://www.hybrid-analysis.com/sample/719c95505d23e22e466de7e3a67538860f12fe31a15c673362712b47e09244f5
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.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/719c95505d23e22e466de7e3a67538860f12fe31a15c673362712b47e09244f5/
Threat name:
Win32.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2023-09-15 02:02:48 UTC
File Type:
Binary (Archive)
Extracted files:
9
AV detection:
15 of 36 (41.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ogojkuc5eprc4rtn47r2m5jyqyhrf7rrufogom3coevupyesit2q._file
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default rat
Link:
https://tria.ge/reports/230915-hlx5gsca76/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
donelpacino.ddns.net:5500
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/719c95505d23e22e466de7e3a67538860f12fe31a15c673362712b47e09244f5

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
Create hunting rule
Author:Nikos 'n0t' Totosis
Description:AcRat Payload (based on AsyncRat)
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:INDICATOR_SUSPICIOUS_EXE_B64_Artifacts
Create hunting rule
Author:ditekSHen
Description:Detects executables embedding bas64-encoded APIs, command lines, registry keys, etc.
Rule name:INDICATOR_SUSPICIOUS_EXE_DcRatBy
Create hunting rule
Author:ditekSHen
Description:Detects executables containing the string DcRatBy
Rule name:INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice
Create hunting rule
Author:ditekSHen
Description:Detects executables attemping to enumerate video devices using WMI
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: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:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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:Windows_Trojan_DCRat_1aeea1ac
Create hunting rule
Author:Elastic Security
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)

File information

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

Malspam

AsyncRAT

rar 719c95505d23e22e466de7e3a67538860f12fe31a15c673362712b47e09244f5

(this sample)

AsyncRAT

Executable exe e296fd745e2a6dfb3f345a73e59174d5236c9c55855c8ee0c5602955614d9794

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 e296fd745e2a6dfb3f345a73e59174d5236c9c55855c8ee0c5602955614d9794
  
Dropping
AsyncRAT
  
Dropping
MD5 460c5e2904724e5babe7c3f7eaaf8de9

Comments