MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1719da11ea685a38cea159bb11ce5b29b1f0377e802f4652f92796e70da7860. 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: 9


Intelligence 9 IOCs YARA 7 File information Comments

SHA256 hash: a1719da11ea685a38cea159bb11ce5b29b1f0377e802f4652f92796e70da7860
SHA3-384 hash: 5e8d3649fd84769f416a7a3e07613aae73d48d6d1a76e1475686b558fdc605dd9dd4b3186b3357c4fd607040bae908d3
SHA1 hash: c00b21e68f3f28f779c9e981c685f1fc74286d18
MD5 hash: dead08b27e4744b528e8b3af3e1f6345
humanhash: king-batman-minnesota-blue
File name:dead08b27e4744b528e8b3af3e1f6345.exe
Download: download sample
Signature AsyncRAT
File size:440'832 bytes
First seen:2021-09-26 07:03:22 UTC
Last seen:2021-09-26 08:05:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:rbYKVmPS9IqJJXt8q056MFn8d4sxI1tprJIb5IFGdZM/kVItutXnR0V0Wn8t3H:4vexCtprmb5IFGdKCpK+go3
Threatray 71 similar samples on MalwareBazaar
TLSH T15B945A3E5652698AF35D14F48D4C2C68AC43FD7712D880A634EDFBAF4A1B650CF59E20
File icon (PE):PE icon
dhash icon e0e4a6a5a5a6e4e0 (3 x AsyncRAT, 1 x a310Logger, 1 x AgentTesla)
Reporter abuse_ch
Tags:AsyncRAT exe RAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
201
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://maurizio.ac.ug/ac.exe
Verdict:
Malicious activity
Analysis date:
2021-09-25 23:19:04 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file in the %temp% directory
Creating a window
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected AntiVM3
Yara detected AsyncRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 490791 Sample: HrcD1NM6Cc.exe Startdate: 26/09/2021 Architecture: WINDOWS Score: 100 41 icando.ug 2->41 43 icacxndo.ac.ug 2->43 45 Found malware configuration 2->45 47 Antivirus detection for dropped file 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 10 other signatures 2->51 9 HrcD1NM6Cc.exe 4 7 2->9         started        signatures3 process4 file5 29 C:\Users\user\AppData\Roaming\dllhjosa.exe, PE32 9->29 dropped 31 C:\Users\user\AppData\Local\Temp\RegAsm.exe, PE32 9->31 dropped 33 C:\Users\...\dllhjosa.exe:Zone.Identifier, ASCII 9->33 dropped 35 2 other malicious files 9->35 dropped 53 Creates an undocumented autostart registry key 9->53 55 Writes to foreign memory regions 9->55 57 Allocates memory in foreign processes 9->57 59 Injects a PE file into a foreign processes 9->59 13 wscript.exe 9->13         started        16 RegAsm.exe 9->16         started        19 powershell.exe 70 9->19         started        21 conhost.exe 9->21         started        signatures6 process7 dnsIp8 61 Wscript starts Powershell (via cmd or directly) 13->61 23 powershell.exe 13->23         started        37 icacxndo.ac.ug 194.5.98.107, 49784, 49787, 49791 DANILENKODE Netherlands 16->37 39 icando.ug 16->39 25 conhost.exe 19->25         started        signatures9 process10 process11 27 conhost.exe 23->27         started       
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2021-09-26 07:04:08 UTC
AV detection:
14 of 45 (31.11%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Modifies WinLogon for persistence
Unpacked files
SH256 hash:
cef2382237b09249713430be5c11d8f02d3ad032b5fb1025ee7b57b056384307
MD5 hash:
a5bc2857f7096d852f7cb70a7970453a
SHA1 hash:
ce75967e21abb839a830dc1e69b5ac5be87e4683
SH256 hash:
cabb729d97257d6f375dd1a6753bb8d1d7aedbf11d35778fe6cb298b3acc6ce6
MD5 hash:
e19b3ac2ef9532058113968726ce59c4
SHA1 hash:
0a76760621099f696e22963e5ffcb52f0f94cd98
Detections:
win_asyncrat_w0
SH256 hash:
a1719da11ea685a38cea159bb11ce5b29b1f0377e802f4652f92796e70da7860
MD5 hash:
dead08b27e4744b528e8b3af3e1f6345
SHA1 hash:
c00b21e68f3f28f779c9e981c685f1fc74286d18
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
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_zgRAT
Author:ditekSHen
Description:Detects zgRAT
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_asyncrat_w0
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 a1719da11ea685a38cea159bb11ce5b29b1f0377e802f4652f92796e70da7860

(this sample)

  
Delivery method
Distributed via web download

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