MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 308f16cf7000655a28f21e6d159ac68740d6c8437b2a83baaa563912a2bf7a19. 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: 15


Intelligence 15 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 308f16cf7000655a28f21e6d159ac68740d6c8437b2a83baaa563912a2bf7a19
SHA3-384 hash: d19526a04868c98f071244143472126c646510b1af50c11d3620ea8c56d81bc90b15412a88c03516af0d5974856950c4
SHA1 hash: fce5bc2ff5d38c068de759868a6ddfb023cb3ca8
MD5 hash: 70488131ff53f7f73f351f27f86a10ce
humanhash: cold-island-lake-oven
File name:70488131ff53f7f73f351f27f86a10ce.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:89'088 bytes
First seen:2022-12-25 08:20:25 UTC
Last seen:2022-12-25 09:30:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'752 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 1536:PgA0iaZaUVQOeyTd9YmTQNcdaqmb+n0+z8bgNcRHKWF2SjP:PgA01ZayLeYAKQNcdad+03bgNcRHKWFl
TLSH T14F93060B96987DEEE02B5BB36D5B9E4AE679B9536D0DCB052621074F10620CEF303D93
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
20.100.196.69:9281

Intelligence

File Origin
# of uploads :
2
# of downloads :
191
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
70488131ff53f7f73f351f27f86a10ce.exe
Verdict:
Malicious activity
Analysis date:
2022-12-25 08:21:38 UTC
Tags:
trojan rat asyncrat
Link:
https://app.any.run/tasks/468d241b-a033-4d9e-8a74-eb6ba695934f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.IL.Trojan.MSILZilla.17516.3950.17132.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Launching a process
Creating a file
Сreating synchronization primitives
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
evasive packed
Link:
https://www.filescan.io/uploads/63a807f6657c03f364311cf4/reports/e6c93a10-d69e-4aa4-acf4-9198bc3347ef/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/a93d94ad-a9a4-49c3-81c4-69ff0c4d4fef
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1140742
Signature
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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 dropped file
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 773472 Sample: 9ITvWPoMpz.exe Startdate: 25/12/2022 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus / Scanner detection for submitted sample 2->53 55 6 other signatures 2->55 7 9ITvWPoMpz.exe 5 2->7         started        11 WProtecMscv.exe 2 2->11         started        13 WProtecMscv.exe 3 2->13         started        15 WProtecMscv.exe 2 2->15         started        process3 file4 41 C:\Users\user\AppData\...\WProtecMscv.exe, PE32 7->41 dropped 43 C:\Users\user\AppData\...\9ITvWPoMpz.exe.log, ASCII 7->43 dropped 57 Writes to foreign memory regions 7->57 59 Allocates memory in foreign processes 7->59 61 Injects a PE file into a foreign processes 7->61 17 cmd.exe 1 7->17         started        20 RegAsm.exe 2 7->20         started        23 powershell.exe 1 22 7->23         started        25 RegAsm.exe 2 11->25         started        27 RegAsm.exe 11->27         started        29 RegAsm.exe 11->29         started        63 Antivirus detection for dropped file 13->63 65 Multi AV Scanner detection for dropped file 13->65 67 Machine Learning detection for dropped file 13->67 31 RegAsm.exe 3 13->31         started        33 RegAsm.exe 15->33         started        signatures5 process6 dnsIp7 47 Uses schtasks.exe or at.exe to add and modify task schedules 17->47 35 conhost.exe 17->35         started        37 schtasks.exe 1 17->37         started        45 20.100.196.69, 49684, 9281 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 20->45 39 conhost.exe 23->39         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/308f16cf7000655a28f21e6d159ac68740d6c8437b2a83baaa563912a2bf7a19/
Threat name:
ByteCode-MSIL.Hacktool.ResInject
Create hunting rule
Status:
Malicious
First seen:
2022-12-23 23:28:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 26 (80.77%)
Threat level:
  1/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gchrnt3qabsvukhsdzwrlgwgq5annscdpmvihovkky4rfiv7pimq._file
Verdict:
malicious
Label(s):
asyncrat
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Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:uwuiscomic persistence rat
Link:
https://tria.ge/reports/221225-j81dssbc68/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
20.100.196.69:9281
Unpacked files
SH256 hash:
62d51e3b7b7731dd0f3990d8bc67e6e89af7efdab4ed38b711d6311784a7991e
MD5 hash:
0b13953115394b9e5740f57dad56f0c4
SHA1 hash:
a10e49a46fa6b7c53a1da2d3d27eb3d95433891e
Detections:
AsyncRAT
Create hunting rule
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/60ae1b65-16ef-46eb-83af-9f3144aeda4e/
SH256 hash:
308f16cf7000655a28f21e6d159ac68740d6c8437b2a83baaa563912a2bf7a19
MD5 hash:
70488131ff53f7f73f351f27f86a10ce
SHA1 hash:
fce5bc2ff5d38c068de759868a6ddfb023cb3ca8
Link:
https://www.unpac.me/results/60ae1b65-16ef-46eb-83af-9f3144aeda4e/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/308f16cf7000/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/308f16cf7000655a28f21e6d159ac68740d6c8437b2a83baaa563912a2bf7a19

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:AsyncRat_Detection_Dec_2022
Create hunting rule
Author:Potatech
Description:AsyncRat
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: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.

Web download

AsyncRAT

Executable exe 308f16cf7000655a28f21e6d159ac68740d6c8437b2a83baaa563912a2bf7a19

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2485909/
  
Delivery method
Distributed via web download

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