MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 0c3d87b5d21c93af3385c2fa391d93823ec3990ebb13e58c01ee6fbfb02e5a71. 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: 10
| SHA256 hash: | 0c3d87b5d21c93af3385c2fa391d93823ec3990ebb13e58c01ee6fbfb02e5a71 |
|---|---|
| SHA3-384 hash: | 84c445a6114622cf231845f40a4aa41ee1f2f91a7747e443965a88f760783b5b75b766fd54e2762a76eb188c330a32fb |
| SHA1 hash: | a9c38b345b788a278c56f062e93c7328be8e54a5 |
| MD5 hash: | 4cc7d2e89502dc10ad93b0c1dc6dd872 |
| humanhash: | washington-robin-papa-mike |
| File name: | 4cc7d2e89502dc10ad93b0c1dc6dd872 |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 611'840 bytes |
| First seen: | 2022-07-21 06:30:28 UTC |
| Last seen: | 2022-07-21 07:47:43 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 6144:khMzkWBCyfn1ZaQckrUQsVaeUXqOhxO8vPQYUH8+:0uCyv3cjQYUXqOdHQYUH8 |
| TLSH | T1CFD4B56A62B1D178D4C08C7AE60AF5FDFD826D39D8239D132540BEEF33FA161561A072 |
| 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 | 2327277f6f6f6f07 (1 x AsyncRAT) |
| Reporter |  zbetcheckin |
| Tags: | 32 AsyncRAT exe |
Intelligence
File Origin
# of uploads :
2
# of downloads :
271
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Launching a process
DNS request
Creating a file
Сreating synchronization primitives
Sending an HTTP GET request
Sending a custom TCP 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 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:
2022-07-21 06:31:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
16 of 26 (61.54%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
asyncrat
Score:
10/10
Tags:
family:asyncrat botnet:4444 --- 1337x ---- 4444 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:
b1b97e6b5aa98a103f0a776f57dbe7dbb6735aacd324ba17e3a190e629fc08f0
MD5 hash:
ecb262ea824b38e5175c99425b0eb925
SHA1 hash:
c60dea8bce481baf5decd5bbeb33397a4965fbf8
SH256 hash:
b63b2b8d79d9b4e9cb894525f5cd3ee213776c152975c303b21d3658e6155525
MD5 hash:
5f852d49b1d779f2b986e95cdbd5817e
SHA1 hash:
bf04a4ef7699dc7984f70dba44dc1c54c3d9673b
SH256 hash:
f867c636db4612384c3b8daf26f7fa1b5705ce7b7c5fd2da6cc6d59de703e765
MD5 hash:
9adcab34a5f1591b84426b191a55cd2e
SHA1 hash:
30f894814f2cd81841845f54b89a180ca5c82ceb
SH256 hash:
0c3d87b5d21c93af3385c2fa391d93823ec3990ebb13e58c01ee6fbfb02e5a71
MD5 hash:
4cc7d2e89502dc10ad93b0c1dc6dd872
SHA1 hash:
a9c38b345b788a278c56f062e93c7328be8e54a5
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://141.98.6.236/1337Traget/Rxvgxnss-1337x-2.exe