MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9cca37bc8df3f2d7d439db0ffb0ed8d4a1c2f88c5c43754bc78b674009b35b05. 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 4 File information Comments

SHA256 hash: 9cca37bc8df3f2d7d439db0ffb0ed8d4a1c2f88c5c43754bc78b674009b35b05
SHA3-384 hash: a7e8e2fc22c99d17c501f85fb25baf603dcf6216e6478953d5ccbcd1398fdba29d0e2b421817407d27b731b1fe24ec54
SHA1 hash: 514cf175c7b52ddb1eebffdf8e0e6e098e54db4f
MD5 hash: ff0c70902c4092065e459f694e1e0349
humanhash: massachusetts-saturn-early-mobile
File name:LPy84kZR.exe
Download: download sample
Signature AsyncRAT
File size:46'080 bytes
First seen:2020-11-09 20:17:25 UTC
Last seen:2020-11-15 22:56:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 768:Xue8/1TYQZ3VWU1Dmhbvmo2qj3KjGKG6PIyzjbFgX3idQJFqvsL521YBDZPx:XueE1TYiwhN2yKYDy3bCXSdQJFEs12Ab
Threatray 425 similar samples on MalwareBazaar
TLSH 3E231A003BE8812BF2BE5F78A9F26145467AF2632603E58D1CC451DB5713FC69A426FE
Reporter pmelson
Tags:AsyncRAT exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Running batch commands
Creating a process with a hidden window
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
DNS request
Unauthorized injection to a recently created process
Connection attempt to an infection source
Enabling autorun by creating a file
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.
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 312677 Sample: LPy84kZR.exe Startdate: 09/11/2020 Architecture: WINDOWS Score: 96 34 Antivirus / Scanner detection for submitted sample 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected AsyncRAT 2->38 40 3 other signatures 2->40 7 Microsost.exe 2 2->7         started        11 LPy84kZR.exe 7 2->11         started        process3 dnsIp4 32 peneloppe.chickenkiller.com 109.202.107.147, 7113 GLOBALLAYERNL Netherlands 7->32 42 Antivirus detection for dropped file 7->42 44 Multi AV Scanner detection for dropped file 7->44 46 Machine Learning detection for dropped file 7->46 28 C:\Users\user\AppData\Roaming\Microsost.exe, PE32 11->28 dropped 30 C:\Users\user\AppData\...\LPy84kZR.exe.log, ASCII 11->30 dropped 14 cmd.exe 1 11->14         started        16 cmd.exe 1 11->16         started        file5 signatures6 process7 process8 18 Microsost.exe 3 14->18         started        20 conhost.exe 14->20         started        22 timeout.exe 1 14->22         started        24 conhost.exe 16->24         started        26 schtasks.exe 1 16->26         started       
Threat name:
ByteCode-MSIL.Infostealer.Fareit
Status:
Malicious
First seen:
2020-11-10 00:07:28 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat rat
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
peneloppe.chickenkiller.com:7113
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:Reverse_text_bin_mem
Author:James_inthe_box
Description:Reverse text detected
Rule name:win_asyncrat_j1
Author:Johannes Bader @viql
Description:detects AsyncRAT
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 9cca37bc8df3f2d7d439db0ffb0ed8d4a1c2f88c5c43754bc78b674009b35b05

(this sample)

Comments