MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 447f95e2299fbab8e30669f1fd5c71b2e69499e25adae3373093c0317f53fdc5. 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 YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 447f95e2299fbab8e30669f1fd5c71b2e69499e25adae3373093c0317f53fdc5
SHA3-384 hash: cc23920e48829f0f096587a57000fe48a7228065a19089643cca370e2cb8e815d4e5545730dfebfddc61754055e76ef2
SHA1 hash: 80c47eae696348b607f5f54ab3101c10c64192ce
MD5 hash: a671a69d4e3f7425bf163eae052250ff
humanhash: wisconsin-carbon-high-fish
File name:a671a69d4e3f7425bf163eae052250ff.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:49'152 bytes
First seen:2022-08-24 06:56:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'817 x AgentTesla, 19'738 x Formbook, 12'284 x SnakeKeylogger)
ssdeep 768:mbRJZBILLWQ9+jiwtelDSN+iV08Ybygecb+zqBEmyIvEgK/JbZVc6KN:mbRq9wtKDs4zb1pu9xInkJbZVclN
Threatray 4'853 similar samples on MalwareBazaar
TLSH T13A235C4037D88136F2FD4BB5ADF2E24586B9D2672903CA596CC814EA1B13BC596036FE
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)
Reporter abuse_ch
Tags:AsyncRAT exe RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
297
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
a671a69d4e3f7425bf163eae052250ff.exe
Verdict:
Malicious activity
Analysis date:
2022-08-24 06:58:33 UTC
Tags:
asyncrat
Link:
https://app.any.run/tasks/3e65c435-4550-4bf8-bc82-7e0a92527162

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/300750/
Detection(s):
Win.Malware.Generickdz-9865912-0
Create hunting rule

Win.Malware.Enigmaprotector-9874743-0
Create hunting rule

Win.Malware.Enigmaprotector-9881027-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
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
Sending a custom TCP request
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug anti-vm configsecuritypolicy.exe evasive hacktool mpcmdrun.exe msconfig.exe njrat packed rat regedit.exe
Link:
https://www.filescan.io/uploads/6305cbfcf205e2ee76734164/reports/dd890ba9-4bc5-48dc-998b-00f7ff711962/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:
DCRat
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c60cc189-0c7a-4f58-b626-6eef09faa090
Result
Threat name:
AsyncRAT, DcRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1056779
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to a pastebin service (likely for C&C)
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Yara detected DcRat
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 689298 Sample: Tzuqwusyhe.exe Startdate: 24/08/2022 Architecture: WINDOWS Score: 100 33 pastebin.com 2->33 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for dropped file 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 45 10 other signatures 2->45 8 Tzuqwusyhe.exe 7 2->8         started        11 Windows Service .exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\Windows Service .exe, PE32 8->29 dropped 31 C:\Users\user\AppData\...\Tzuqwusyhe.exe.log, ASCII 8->31 dropped 13 cmd.exe 1 8->13         started        16 cmd.exe 1 8->16         started        process6 signatures7 47 Uses schtasks.exe or at.exe to add and modify task schedules 13->47 18 conhost.exe 13->18         started        20 schtasks.exe 1 13->20         started        22 Windows Service .exe 14 2 16->22         started        25 conhost.exe 16->25         started        27 timeout.exe 1 16->27         started        process8 dnsIp9 35 pastebin.com 172.67.34.170, 443, 49756, 49761 CLOUDFLARENETUS United States 22->35 37 52.220.121.212, 15817, 49757, 49762 AMAZON-02US United States 22->37
Detection:
dcrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/447f95e2299fbab8e30669f1fd5c71b2e69499e25adae3373093c0317f53fdc5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-08-23 23:29:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
25 of 25 (100.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ir7zlyrjt65lryygnhy72xdrwltjjgpcllnognzqspadc72t7xcq._file
Verdict:
malicious
Similar samples:
1166e3200fd3a2a7e448f8129fbebdd7266a85393e8d6596ee6f89653adba1d0
AsyncRAT
147acbbf007be667ae676b798af1cc0c6ef598d510e2223044ca241225d081f9
AsyncRAT
17b53784a99673bd3fece28a3429a9d1a32d0d104c8101fbfa18592a59f6a64d
AsyncRAT
3e7ca795fc4207d50f7a9a6ef46a378ef7de8a1675397b2a15c94a5d10091f27
AsyncRAT
703b1802d40218a99be7cad5d4661db3d988bf23bd9fcae5f3f851089e4c2c24
AsyncRAT
8fa6091ecf36c321aa568e76eab235f21ff0ca7e5906d75cb8e6c26abd2ef656
AsyncRAT
c37384635caee6d22483b5d86d237886e7aaa086882eca66fddcb93936fbc51b
AsyncRAT
c7ccd6379627a10943964b592a5f38764ae1d0d0d39d17760940871fb3cd2958
AsyncRAT
f63561d5a1e218408d76c24a79ea9053cb0f5a1dddf386c795c587c2c8acd6cf
AsyncRAT
+ 4'843 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat rat
Link:
https://tria.ge/reports/220824-hqxphsahd5/
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
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Async RAT payload
AsyncRat
Unpacked files
SH256 hash:
447f95e2299fbab8e30669f1fd5c71b2e69499e25adae3373093c0317f53fdc5
MD5 hash:
a671a69d4e3f7425bf163eae052250ff
SHA1 hash:
80c47eae696348b607f5f54ab3101c10c64192ce
Link:
https://www.unpac.me/results/0152e6bb-eadc-4d12-b109-d04bb7c18ac9/
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/447f95e2299fbab8e30669f1fd5c71b2e69499e25adae3373093c0317f53fdc5

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:INDICATOR_SUSPICIOUS_EXE_B64_Artifacts
Create hunting rule
Author:ditekSHen
Description:Detects executables embedding bas64-encoded APIs, command lines, registry keys, etc.
Rule name:INDICATOR_SUSPICIOUS_EXE_DcRatBy
Create hunting rule
Author:ditekSHen
Description:Detects executables containing the string DcRatBy
Rule name:INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice
Create hunting rule
Author:ditekSHen
Description:Detects executables attemping to enumerate video devices using WMI
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

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

AsyncRAT

Executable exe 447f95e2299fbab8e30669f1fd5c71b2e69499e25adae3373093c0317f53fdc5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2275598/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/300750/

Comments