MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9cdc8bc82290006a5e2a0c06a42bb3004cc41822876c861339ad5acc9c70403f. 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 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9cdc8bc82290006a5e2a0c06a42bb3004cc41822876c861339ad5acc9c70403f
SHA3-384 hash: 5a43e672221332990a8c414cf8a5c90421e9eb2ca26f503f11b4c7d36a5130dbc6887f53116deadfee9f537cbeb010c3
SHA1 hash: cfc14948c05c2efe08ebeba11316889396cbf31f
MD5 hash: cd5d2086abc62dba4304a852e7bd963d
humanhash: tennessee-fanta-social-monkey
File name:Stub.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:59'904 bytes
First seen:2023-02-20 03:31:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 768:iLrBlOGhV1Xj+IfxXRs4yPbE5HeEBdnhZISt5LUbtg1UIE9KYJ3qSYztGHN78x:iPrVFns05+EBdh2eKb61ty3Etq78x
Threatray 3'078 similar samples on MalwareBazaar
TLSH T1FC431A003FE99125F1BD8EB499F2654446B9E5676A02D94E2CD441CB0A32BC6DE03BFF
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter r3dbU7z
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
238
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
Stub.exe
Verdict:
Malicious activity
Analysis date:
2023-02-20 03:33:30 UTC
Tags:
trojan rat asyncrat
Link:
https://app.any.run/tasks/3103e91d-a19b-4e27-b446-c67e384e3068

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AsyncRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/368275/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Win.Packed.Razy-9625918-0
Create hunting rule

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

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a window
Using the Windows Management Instrumentation requests
Setting a global event handler for the keyboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat clipbanker coinminer dcrat fareit njrat packed rat razy samas windows
Link:
https://www.filescan.io/uploads/63f2e9b342bf85850e3e2977/reports/5b3a8004-091a-430d-a5b8-ba8956bf0a36/overview
Verdict:
Malicious
Labled as:
AsyncRAT.Marte.B.Generic
Link:
https://www.hybrid-analysis.com/sample/9cdc8bc82290006a5e2a0c06a42bb3004cc41822876c861339ad5acc9c70403f
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/41b6bc4f-9831-40a2-90cf-555caaf1d3ff
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1178927
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in 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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9cdc8bc82290006a5e2a0c06a42bb3004cc41822876c861339ad5acc9c70403f/
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2023-02-20 03:32:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
34 of 39 (87.18%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ttoixsbcsaaguxrkbqdkik5tabgmigbcq5wimezzvvnmzhdqia7q._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
0193fccad3ff489a38c9c78a99088fe761bdc52daac7cc58b4450bb5ce977197
AsyncRAT
32e23296c65a1fea033fbbe400eb4b33be1ba4c8541ad4caac33f7dac05b39a3
AsyncRAT
4ecdc9f6ebd035e8738d54d42686d571b2723c3c07b431e9cd551cfe1d09b8d1
AsyncRAT
a8743468c062e4f7982860f29d00636ceebf9a397b2a8138f79dfe1065594108
AsyncRAT
d41a8bd001feda9ad29b5178cb438c2e23fc4fb9775929b3885fc54d424ef929
AsyncRAT
ed7156a259cecc750c121faed21545185d9436de677556ef9e271e519073fb34
AsyncRAT
+ 3'068 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default rat
Link:
https://tria.ge/reports/230220-d3mb4aha5z/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
pofsecure.worse-than.tv:6606
pofsecure.worse-than.tv:7707
pofsecure.worse-than.tv:8808
Unpacked files
SH256 hash:
9cdc8bc82290006a5e2a0c06a42bb3004cc41822876c861339ad5acc9c70403f
MD5 hash:
cd5d2086abc62dba4304a852e7bd963d
SHA1 hash:
cfc14948c05c2efe08ebeba11316889396cbf31f
Detections:
AsyncRAT
Create hunting rule
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/8f03f3fd-f543-4205-8d06-66fcc234bc17/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9cdc8bc82290/report/overview.html
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/9cdc8bc82290006a5e2a0c06a42bb3004cc41822876c861339ad5acc9c70403f

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:msil_suspicious_use_of_strreverse
Create hunting rule
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
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_Trojan_Asyncrat_11a11ba1
Create hunting rule
Author:Elastic Security
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.

Web download

AsyncRAT

Executable exe 9cdc8bc82290006a5e2a0c06a42bb3004cc41822876c861339ad5acc9c70403f

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/368275/

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