MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 044336db36f185ecf39b4948e3978d56229506229b6f7b614b3e9ec6c0aee029. 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: 14


Intelligence 14 IOCs 1 YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 044336db36f185ecf39b4948e3978d56229506229b6f7b614b3e9ec6c0aee029
SHA3-384 hash: a405388e13d0c06dd7b97479fbe6f6d5c1e1100a81487dd5ae7a7eb406e5d0287fedfed9b18bc1572f3ba8f435733088
SHA1 hash: f940c63a515c8cd90e292a9ed15dc164cfc6923f
MD5 hash: b67e09ff5ca76547ce7e3866173d31c4
humanhash: alpha-single-louisiana-mike
File name:RFQ-Prebid Inquiries.PDF.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:2'043'392 bytes
First seen:2022-08-24 11:00:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 24576:+tSn+o+PCKhc4Mt8hZYRL5M0LSx6S3kiHWqU/i4/2Kf+Li:z+JfcxChiRL+TUZPK22Kf+Li
TLSH T14395D7807FD4DA27D1FF2F7598F305601BB9B4C5ABE29B4A6A9032B91C017417C2936B
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)
File icon (PE):PE icon
dhash icon f2f160b08146c8ca (15 x SnakeKeylogger, 6 x GuLoader, 5 x AgentTesla)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
37.0.14.196:2050

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
37.0.14.196:2050 https://threatfox.abuse.ch/ioc/845117/

Intelligence

File Origin
# of uploads :
1
# of downloads :
369
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
RFQ-Prebid Inquiries.PDF.exe
Verdict:
Malicious activity
Analysis date:
2022-08-24 11:05:09 UTC
Tags:
opendir loader trojan rat asyncrat
Link:
https://app.any.run/tasks/2e601116-a9ab-470a-90f7-98e5f5aec53f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/300832/
Detection(s):
SecuriteInfo.com.Variant.Tedy.192395.7270.6183.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
Creating a file in the %AppData% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Searching for the window
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm greyware hacktool schtasks.exe
Link:
https://www.filescan.io/uploads/630604f5f205e2ee7673a69b/reports/da47cdae-2135-4621-bbff-236ea4d3ab06/overview
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.
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2a4cdb77-aa05-4f85-8efd-d79254f2d46d
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1056928
Signature
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/044336db36f185ecf39b4948e3978d56229506229b6f7b614b3e9ec6c0aee029/
Threat name:
ByteCode-MSIL.Spyware.SnakeLogger
Create hunting rule
Status:
Malicious
First seen:
2022-08-24 11:01:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
20 of 26 (76.92%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=arbtnwzw6gc6z443jfeohf4nkyrjkbrctnxxwyklh2pmnqfo4auq._file
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat rat
Link:
https://tria.ge/reports/220824-m4jr2addh9/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
37.0.14.196:6606
37.0.14.196:7707
37.0.14.196:8808
37.0.14.196:2050
Unpacked files
SH256 hash:
044336db36f185ecf39b4948e3978d56229506229b6f7b614b3e9ec6c0aee029
MD5 hash:
b67e09ff5ca76547ce7e3866173d31c4
SHA1 hash:
f940c63a515c8cd90e292a9ed15dc164cfc6923f
Link:
https://www.unpac.me/results/eb7bbe8f-6f9f-4bcd-98f4-8dacc5a44468/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/044336db36f1/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/044336db36f185ecf39b4948e3978d56229506229b6f7b614b3e9ec6c0aee029

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: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
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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
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:win_asyncrat_j1
Create hunting rule
Author:Johannes Bader @viql
Description:detects AsyncRAT
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.

Cape
Cape
https://www.capesandbox.com/analysis/300832/

Comments