MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5cff50d46542eacf6124894fe998602b0a5df2eefeca574fddbc8546282f92de. 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 13 File information Comments
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SHA256 hash: 5cff50d46542eacf6124894fe998602b0a5df2eefeca574fddbc8546282f92de
SHA3-384 hash: 661df071ae49b4e397de495251b6a6fc0967fbf45a366bba1473791a15d86574a3bc7a9a15557528b59b0e69562f3100
SHA1 hash: c595b98f4ddff7b42106b72249215db826ded9ec
MD5 hash: 8474fe630d8f9154a00f8ccd453ebd31
humanhash: charlie-river-island-utah
File name:8474fe630d8f9154a00f8ccd453ebd31.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:247'808 bytes
First seen:2022-04-25 18:52:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 3072:vY+uVUfPrJ6loFUBQEjHy7/HDxVTZl5MOXDKmUzbBv37xotGXt04Uh6EdadeZ:vYZUf/N7/dzlGIuBP7xzd9a+
TLSH T1AF349E28A3E94F26EBAF5B76D57141445F39B81079AFDB4F014214F87C923A0F692B23
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 a294aaab96d6d686 (1 x AsyncRAT)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
172.111.216.100:49746

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
172.111.216.100:49746 https://threatfox.abuse.ch/ioc/533187/

Intelligence

File Origin
# of uploads :
1
# of downloads :
365
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AsyncRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/266537/
Detection(s):
SecuriteInfo.com.IL.Trojan.MSILMamut.324.31558.2098.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Сreating synchronization primitives
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a process from a recently created file
DNS request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/6266ede5e1f182a52a5e14e0/reports/ba7d6d89-5c6c-46c5-a65c-9967d5ffa21f/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/7f35fe6c-cde7-4bf9-bf6e-82f958267cfc
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/982707
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Drops PE files with benign system names
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: File Created with System Process Name
Sigma detected: Schedule system process
Sigma detected: Suspcious CLR Logs Creation
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Sigma detected: Suspicious Svchost Process
Sigma detected: System File Execution Location Anomaly
System process connects to network (likely due to code injection or exploit)
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: 615190 Sample: aGcp1Zk6yu.exe Startdate: 25/04/2022 Architecture: WINDOWS Score: 100 49 Multi AV Scanner detection for domain / URL 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 15 other signatures 2->55 9 aGcp1Zk6yu.exe 1 2->9         started        process3 file4 41 C:\Users\user\AppData\...\aGcp1Zk6yu.exe.log, ASCII 9->41 dropped 67 Drops PE files with benign system names 9->67 69 Injects a PE file into a foreign processes 9->69 13 aGcp1Zk6yu.exe 6 9->13         started        signatures5 process6 file7 43 C:\Users\user\AppData\...\tmpC08D.tmp.bat, Unknown 13->43 dropped 45 C:\Users\user\AppData\Local\...\svchost.exe, Unknown 13->45 dropped 16 cmd.exe 1 13->16         started        18 cmd.exe 1 13->18         started        21 WMIADAP.exe 2 13->21         started        process8 signatures9 23 svchost.exe 1 16->23         started        27 conhost.exe 16->27         started        29 timeout.exe 1 16->29         started        57 Uses schtasks.exe or at.exe to add and modify task schedules 18->57 31 conhost.exe 18->31         started        33 schtasks.exe 1 18->33         started        process10 file11 39 C:\Users\user\AppData\...\svchost.exe.log, ASCII 23->39 dropped 61 System process connects to network (likely due to code injection or exploit) 23->61 63 Machine Learning detection for dropped file 23->63 65 Injects a PE file into a foreign processes 23->65 35 svchost.exe 2 23->35         started        signatures12 process13 dnsIp14 47 chonglee575.duckdns.org 141.101.134.51, 49746, 6974 NETZBETRIEB-GMBHDE Netherlands 35->47 59 System process connects to network (likely due to code injection or exploit) 35->59 signatures15
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5cff50d46542eacf6124894fe998602b0a5df2eefeca574fddbc8546282f92de/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-21 04:51:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
27 of 42 (64.29%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lt7vbvdfilvm6yjerfh6tgdafmff34xo73ffot65xscumkbpslpa._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Result
Malware family:
asyncrat
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Score:
  10/10
Tags:
family:asyncrat botnet:2022 rat
Link:
https://tria.ge/reports/220425-xjlq1adaa2/
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
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
chongmei33.publicvm.com:2703
chongmei33.publicvm.com:49746
chongmei33.publicvm.com:6974
chonglee575.duckdns.org:2703
chonglee575.duckdns.org:49746
chonglee575.duckdns.org:6974
Unpacked files
SH256 hash:
d6d38c982c21c44fe39aaaab0d8a0c7dbeb237bc85216bb69e6506192b7bd761
MD5 hash:
c8f0b446a8d6bdf2e90b6fdf9410dfbc
SHA1 hash:
c628fdc28a7a76a0a7fe66e02dfcdb19d2b4153f
Link:
https://www.unpac.me/results/b4dc654e-b2c1-4409-bf7a-4b9eb19587e1/
SH256 hash:
2a29252ad477cd1760a5653dfeda8bb7370e26ec27990ad2594d6e1e75db7e9b
MD5 hash:
3437dff3465c51f5094a51a0a57d05dc
SHA1 hash:
73afd022089861757822a4cd700824de7f58f366
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/b4dc654e-b2c1-4409-bf7a-4b9eb19587e1/
SH256 hash:
5cff50d46542eacf6124894fe998602b0a5df2eefeca574fddbc8546282f92de
MD5 hash:
8474fe630d8f9154a00f8ccd453ebd31
SHA1 hash:
c595b98f4ddff7b42106b72249215db826ded9ec
Link:
https://www.unpac.me/results/b4dc654e-b2c1-4409-bf7a-4b9eb19587e1/
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/5cff50d46542eacf6124894fe998602b0a5df2eefeca574fddbc8546282f92de

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_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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:pdb2
Create hunting rule
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/266537/

Comments