MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 cdfb3a8ed030bb040835d4e2d5fd150bff61006971ce84809183127fd758639a. 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: 11
| SHA256 hash: | cdfb3a8ed030bb040835d4e2d5fd150bff61006971ce84809183127fd758639a |
|---|---|
| SHA3-384 hash: | 0142a4b6a01ed725036570cf4f6ab5d66f9b605066d66dd680ba9155a85c649e5e7f9dbd9e27e24ebfee205a7cc65383 |
| SHA1 hash: | 30e11f854dfecbd170ac0c5286ed75ffa1f48d86 |
| MD5 hash: | 04f81cd3a595c95b20c258a514118388 |
| humanhash: | texas-eleven-four-arkansas |
| File name: | 04f81cd3a595c95b20c258a514118388 |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 621'568 bytes |
| First seen: | 2022-07-21 06:45:48 UTC |
| Last seen: | 2022-07-23 03:01:36 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger) |
| ssdeep | 6144:l/Yprz9pQLYJy6BzahC3Ic2TD2mo9txBPRLF:1mH9EYA6RJ4c2nkxp |
| Threatray | 1'955 similar samples on MalwareBazaar |
| TLSH | T124D418262F16D749C6C0F6F86D12AB84C5A1FC583DEACD31A2F2B62D89357C0516D82F |
| TrID | 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.4% (.EXE) Win64 Executable (generic) (10523/12/4) 6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.4% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.EXE) OS/2 Executable (generic) (2029/13) |
| File icon (PE): |  |
| dhash icon | 6cc8c8f8f0f0e8cc (2 x XFilesStealer, 2 x AsyncRAT) |
| Reporter |  zbetcheckin |
| Tags: | 32 AsyncRAT exe |
Intelligence
File Origin
# of uploads :
4
# of downloads :
265
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Launching a process
Creating a file
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Forced shutdown of a system process
Sending a TCP request to an infection source
Enabling autorun
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated packed
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:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Creates an undocumented autostart registry key
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
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Status:
Malicious
First seen:
2022-07-20 20:56:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
17 of 25 (68.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 1'945 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Score:
10/10
Tags:
family:asyncrat botnet:2222 --- freeapps --- 2222 persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Async RAT payload
AsyncRat
Modifies WinLogon for persistence
Unpacked files
SH256 hash:
455c2fa0d08582a0cd1573d2d6d4da707402e40e9713cd48dee77784fac1ebbc
MD5 hash:
a21b85095bbd747007c82d4f3a99aba1
SHA1 hash:
7d9e1b67d3ae4d4c6d93a834c225c9b9a32a68d9
SH256 hash:
b6e6d9073ec74bac91a9f03f439d9a0a7145b542a9a3f69495f7a2a8981b27b9
MD5 hash:
6b5cfc932736cea40f9523ec139aa641
SHA1 hash:
6ce6b9c96c773d03fbeb9be18827fb6914895009
SH256 hash:
458843195e19f3c00e541bd7998b6bd4eeefc3c285710c917a3f4adde18284f8
MD5 hash:
f55ca7ca3e03efe6f7f4fe141879a7af
SHA1 hash:
007eb845fa33513d7e46bd42c6d866c57cc07480
SH256 hash:
cdfb3a8ed030bb040835d4e2d5fd150bff61006971ce84809183127fd758639a
MD5 hash:
04f81cd3a595c95b20c258a514118388
SHA1 hash:
30e11f854dfecbd170ac0c5286ed75ffa1f48d86
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: | INDICATOR_EXE_Packed_SmartAssembly |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables packed with SmartAssembly |
| 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: | 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: | 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
Delivery method
Distributed via web download
Comments
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You need to login to in order to write a comment. Login with your abuse.ch account.url : hxxp://141.98.6.236/FreeApps/Dzodhr-FREE-2.exe