MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a92032e28b54316256dd146c38b9dfa16fac5824b17c255722591e3ba6c90e68. 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
| SHA256 hash: | a92032e28b54316256dd146c38b9dfa16fac5824b17c255722591e3ba6c90e68 |
|---|---|
| SHA3-384 hash: | d868b6099cf3e39223e46a8caf7640c46c427acebb7a28ffbab94dd0b3a6a4a9b613dfab9ca530faf17ca265b0672976 |
| SHA1 hash: | 972a57975c6938bf9689b92e020b9b223564953d |
| MD5 hash: | 51b86accf873af86f4624d4a08daf3b8 |
| humanhash: | stream-aspen-ack-grey |
| File name: | 51b86accf873af86f4624d4a08daf3b8 |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 585'216 bytes |
| First seen: | 2022-06-29 08:32:41 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 12288:3mdxq9oc5TB+qxo2dnCDvw73sNZljwYGIljSh5f/i5YKgffa8:Cq55M52dOYLsNjMaQg5kffa8 |
| Threatray | 1'674 similar samples on MalwareBazaar |
| TLSH | T10FC4E1A6F2A69C95E016B1F9A975AD2212173D59A8358E0A307F32184D73393CC77F0F |
| 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 | 45d4c4dcf4c47211 (9 x AsyncRAT, 2 x AgentTesla, 2 x NanoCore) |
| Reporter |  zbetcheckin |
| Tags: | 32 AsyncRAT exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
220
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AsyncRat
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
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
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to many ports of the same IP (likely port scanning)
Creates an undocumented autostart registry key
Encrypted powershell cmdline option found
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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)
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Zilla
Status:
Malicious
First seen:
2022-06-29 08:33:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
23 of 26 (88.46%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
asyncrat
Similar samples:
+ 1'664 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Score:
10/10
Tags:
family:asyncrat botnet:default rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Async RAT payload
AsyncRat
suricata: ET MALWARE Generic AsyncRAT Style SSL Cert
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
Malware Config
C2 Extraction:
23.105.131.209:19328
23.105.131.209:1137
23.105.131.209:1070
23.105.131.209:1137
23.105.131.209:1070
Unpacked files
SH256 hash:
2be5bff29e6e2ce08feffad0d7340dc89a10372a1c67f3b1c43421ac7846b147
MD5 hash:
5e527949fb58c42e743395d5392d91a9
SHA1 hash:
ce779741316b586ddf2e63cf880154a103afc306
Detections:
win_asyncrat_w0
AsyncRAT
SH256 hash:
dae48a52b18355bcba3dee217185d7461ca6f4f551cba46a7f99908f89055fe7
MD5 hash:
35bc372ab379a68cd3c0dc5707498120
SHA1 hash:
9e8186e8308f64c28d9b445049282bc6dc21bba3
SH256 hash:
9b8de0a200a234ff2d2ddb5db210755e92e7b02aeb2835110b19fc28cd3632ce
MD5 hash:
f46f8e071d0b3a6cee724764a75a077e
SHA1 hash:
219f5d62da026fb37dd4c026b0f4730949480332
SH256 hash:
a92032e28b54316256dd146c38b9dfa16fac5824b17c255722591e3ba6c90e68
MD5 hash:
51b86accf873af86f4624d4a08daf3b8
SHA1 hash:
972a57975c6938bf9689b92e020b9b223564953d
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: | 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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