MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da66b50a26a1b91eef2e102293a9086df408502b9aa00df5a684e2ce33ea72e1. 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 1 YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: da66b50a26a1b91eef2e102293a9086df408502b9aa00df5a684e2ce33ea72e1
SHA3-384 hash: 7ca5e43a9931e9cf85e4641ce2886a95e2cf5feb5bd16c1f4d248776afc2f5b581b9e97fd3ae4c103468b1f86fedf323
SHA1 hash: 2f13d1f71c344542f7ecf266e1349fbb4c49796f
MD5 hash: cf029fa8dbfb6a4be968794d3760abd0
humanhash: cat-paris-finch-fillet
File name:cf029fa8dbfb6a4be968794d3760abd0.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:820'736 bytes
First seen:2021-12-24 15:30:58 UTC
Last seen:2021-12-24 17:58:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:KqrsR74WdSiusHbXu82hX4U3cNJj4e/SBu1pQ3fRcr5EhvIHo70YQ+e:K0OJusHbeJp328efvyfRcP9Yze
Threatray 2'495 similar samples on MalwareBazaar
TLSH T1C105F78975CA09DDC239EDB564B509D4922BAC4D31F98ECA2DCDB978F4722E384D7B00
File icon (PE):PE icon
dhash icon f0ccf2b1f0ccccf0 (1 x AsyncRAT, 1 x njrat)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
91.109.186.7:6606

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
91.109.186.7:6606 https://threatfox.abuse.ch/ioc/285304/

Intelligence

File Origin
# of uploads :
2
# of downloads :
195
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cf029fa8dbfb6a4be968794d3760abd0.exe
Verdict:
Malicious activity
Analysis date:
2021-12-24 15:33:06 UTC
Tags:
trojan rat asyncrat
Link:
https://app.any.run/tasks/9e2dc92a-ed01-4dd8-ba87-e865dcd7d16c

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/216196/
Detection(s):
SecuriteInfo.com.Trojan.Siggen16.10455.24264.9165.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Sending a custom TCP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61c5e7ba8991ba72b395be4b/reports/a02752f5-402d-4006-8c72-2c9736de6fab/overview
Result
Verdict:
UNKNOWN
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/4390fa6e-8fbe-4b91-a257-70b7ebdd9cfe
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/912496
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Drops executables to the windows directory (C:\Windows) and starts them
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Execution from Suspicious Folder
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 544974 Sample: MbTiTDjEXs.exe Startdate: 24/12/2021 Architecture: WINDOWS Score: 100 57 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->57 59 Found malware configuration 2->59 61 Antivirus / Scanner detection for submitted sample 2->61 63 7 other signatures 2->63 8 firefoxa.exe 8 2->8         started        12 MbTiTDjEXs.exe 7 2->12         started        process3 file4 49 C:\Windows\SysWOW64\config\...\firefoxa.exe, PE32 8->49 dropped 71 Antivirus detection for dropped file 8->71 73 Multi AV Scanner detection for dropped file 8->73 75 Machine Learning detection for dropped file 8->75 14 cmd.exe 1 8->14         started        17 cmd.exe 1 8->17         started        51 C:\Users\user\AppData\Roaming\firefoxa.exe, PE32 12->51 dropped 53 C:\Users\user\AppData\...\MbTiTDjEXs.exe.log, ASCII 12->53 dropped 19 cmd.exe 1 12->19         started        21 cmd.exe 1 12->21         started        signatures5 process6 signatures7 77 Drops executables to the windows directory (C:\Windows) and starts them 14->77 23 firefoxa.exe 14->23         started        41 2 other processes 14->41 27 conhost.exe 17->27         started        29 schtasks.exe 17->29         started        79 Uses schtasks.exe or at.exe to add and modify task schedules 19->79 31 conhost.exe 19->31         started        33 schtasks.exe 1 19->33         started        35 firefoxa.exe 2 21->35         started        37 conhost.exe 21->37         started        39 timeout.exe 1 21->39         started        process8 dnsIp9 65 Antivirus detection for dropped file 23->65 67 Multi AV Scanner detection for dropped file 23->67 69 Machine Learning detection for dropped file 23->69 43 cmd.exe 23->43         started        45 conhost.exe 27->45         started        47 schtasks.exe 27->47         started        55 ronymahmoud.ddns.net 91.109.186.7, 49750, 49765, 8808 IELOIELOMainNetworkFR France 35->55 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/da66b50a26a1b91eef2e102293a9086df408502b9aa00df5a684e2ce33ea72e1/
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Create hunting rule
Status:
Malicious
First seen:
2021-12-19 03:01:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3jtlkcrgug4r53zocarjhkiinx2aqubltkqa35ngqtrm4m7kolqq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
42b8be731007bfe95a319be6726441e9da0504048f8402beabaabf712db3f3ef
AsyncRAT
6776c42da9ff39df7f76649d5ad287ff628790e84c7bebf325cb9b8c2e74aeb2
AsyncRAT
879b9e76f77d42573e5a683277f234acdedc05ecc865bf843399af5b07c4cbe5
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ac601a34b6e00a6409580aa29283f241b44a33785757354c846b3df4a3bf676f
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c92748428af1806d4ecc702bce8ad9abcac6b738e7208d3586450cb4944a87a9
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cc973eb98def4aca2608cc493b2c5477d9049d6b316f482d8487b4394a1df90d
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f051b1c9df37c1d4236c98b54883d4005572910949a1be18ab6ead13754147dc
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fcd5fc495b4f81bf91491b52e1759cf93794bf135fed6469a5d1e0663dfb6c3e
AsyncRAT
+ 2'485 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/211224-sx2bdseed9/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
ronymahmoud.ddns.net:6606
ronymahmoud.ddns.net:7707
ronymahmoud.ddns.net:8808
Unpacked files
SH256 hash:
1e9c126af2d9c688fdb27cc945277bd9adba88afae7fae8d706271cb469dc834
MD5 hash:
64324cd892eb213ce481135ad03640f2
SHA1 hash:
59d711bbb30f07e655c9ebc086670d7d0cda1937
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/3c7052cd-d863-492b-91d3-471c761a70fb/
SH256 hash:
732f8f493618fcaea78f130bec2acddc4d10715bb32c7d8782fe74d252330a17
MD5 hash:
a195ceda02334e386fdeca3abfe31e00
SHA1 hash:
05893f95988653483afda4e4d94ac4b8f4f14eb3
Link:
https://www.unpac.me/results/3c7052cd-d863-492b-91d3-471c761a70fb/
SH256 hash:
da66b50a26a1b91eef2e102293a9086df408502b9aa00df5a684e2ce33ea72e1
MD5 hash:
cf029fa8dbfb6a4be968794d3760abd0
SHA1 hash:
2f13d1f71c344542f7ecf266e1349fbb4c49796f
Link:
https://www.unpac.me/results/3c7052cd-d863-492b-91d3-471c761a70fb/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/da66b50a26a1b91eef2e102293a9086df408502b9aa00df5a684e2ce33ea72e1

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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/216196/

Comments