MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4a72f887ce916e9eaef552c54fdcdc51dd610b3b5c92528956341281bdcbed82. 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
| SHA256 hash: | 4a72f887ce916e9eaef552c54fdcdc51dd610b3b5c92528956341281bdcbed82 |
|---|---|
| SHA3-384 hash: | 4d6efcd1c72a5d52956ba5fd58eece0c698cf7baad16247a11119c596974bc7f9b6a726329e713f3d1f2637f1bcb7d3b |
| SHA1 hash: | 4c97abbe544df31d5e61bd2f9ed29a93a5986d9f |
| MD5 hash: | 2902f7ba556f9db5f304640552c51284 |
| humanhash: | uranus-spring-network-uranus |
| File name: | 2902f7ba556f9db5f304640552c51284 |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 239'616 bytes |
| First seen: | 2023-10-05 06:49:16 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger) |
| ssdeep | 6144:Cui8IhDr4t3qeCwbiJxb+FIoK3ShRGrQWMtZXmxroXfgI:Cu/Or4tZWJwFasEMtZXmxroXf9 |
| Threatray | 3'072 similar samples on MalwareBazaar |
| TLSH | T1CD347B8C766072DFC867C8B6CAA82C68FA50747B571BC213A41716ED9E4D99BCF041F2 |
| TrID | 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10523/12/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9) |
| File icon (PE): |  |
| dhash icon | c433ccc35a6a6bf4 (1 x QuasarRAT, 1 x AsyncRAT) |
| Reporter |  zbetcheckin |
| Tags: | 32 AsyncRAT exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
291
Origin country :
FRVendor Threat Intelligence
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Sending a custom TCP request
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
confuser confuserex net packed packed
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
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
Verdict:
Malicious
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Detection:
asyncrat
Threat name:
Win32.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2023-09-26 20:11:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
22 of 23 (95.65%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
asyncrat
Similar samples:
+ 3'062 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Score:
10/10
Tags:
family:asyncrat botnet:default5 rat
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
Executes dropped EXE
Loads dropped DLL
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
floptuytonroyem.sytes.net:7707
floptuytonroyem.sytes.net:8808
mloptuytonroyem.sytes.net:7707
mloptuytonroyem.sytes.net:8808
floptuytonroyem.sytes.net:8808
mloptuytonroyem.sytes.net:7707
mloptuytonroyem.sytes.net:8808
Unpacked files
SH256 hash:
26c65c98ace40e01b9fd39cb8a3ba7e5e51e02e2703c0e9e303a8e4a1bf613c7
MD5 hash:
2cadf20cf065235d3bfbd189a97c5c21
SHA1 hash:
45e7d4e58156802ffbe0af3b9e0abc8dbd8fa0fe
Detections:
AsyncRAT
win_asyncrat_w0
SH256 hash:
ca0a0e915fed50bd41f5e70e12887ee20f51c7b261cbe0bfbcd3fb7211944967
MD5 hash:
4c839e434070d78b5e46da78c8eed418
SHA1 hash:
10bb4b4f17e61f8769c3672eb143ded53076452a
SH256 hash:
4a72f887ce916e9eaef552c54fdcdc51dd610b3b5c92528956341281bdcbed82
MD5 hash:
2902f7ba556f9db5f304640552c51284
SHA1 hash:
4c97abbe544df31d5e61bd2f9ed29a93a5986d9f
Malware family:
AsyncRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
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: | kevoreilly, JPCERT/CC Incident Response Group |
| Description: | AsyncRat Payload |
| Rule name: | DebuggerCheck__RemoteAPI |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | INDICATOR_EXE_Packed_ConfuserEx |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables packed with ConfuserEx Mod |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse |
|---|---|
| Author: | ditekSHen |
| Description: | Detects file containing reversed ASEP Autorun registry keys |
| Rule name: | malware_asyncrat |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| Rule name: | MAL_AsnycRAT |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects AsnycRAT based on it's config decryption routine |
| Rule name: | MAL_AsyncRAT_Config_Decryption |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects AsnycRAT based on it's config decryption routine |
| Rule name: | msil_suspicious_use_of_strreverse |
|---|---|
| Author: | dr4k0nia |
| Description: | Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse |
| Rule name: | Multifamily_RAT_Detection |
|---|---|
| Author: | Lucas Acha (http://www.lukeacha.com) |
| Description: | Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | Njrat |
|---|---|
| Author: | botherder https://github.com/botherder |
| Description: | Njrat |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | SUSP_DOTNET_PE_List_AV |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detecs .NET Binary that lists installed AVs |
| Rule name: | SUSP_Reverse_Run_Key |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects a Reversed Run Key |
| Rule name: | Windows_Trojan_Asyncrat_11a11ba1 |
|---|---|
| Author: | Elastic Security |
| Rule name: | win_asyncrat_j1 |
|---|---|
| Author: | Johannes Bader @viql |
| Description: | detects AsyncRAT |
| Rule name: | win_asyncrat_unobfuscated |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects strings present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc) |
| 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
Delivery method
Distributed via web download
Comments
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