MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 af2b52d74cb468b141d03dcd688cc0b184164c906464ba830ffe4b4ab7fc812d. 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: 17
| SHA256 hash: | af2b52d74cb468b141d03dcd688cc0b184164c906464ba830ffe4b4ab7fc812d |
|---|---|
| SHA3-384 hash: | 7a6ff8a98ccda1a20907eebfa802e5486f52ae0bcd63b08fdd0d6a6c987a0eff5ea99731c13b6500b20fd4013a921d3b |
| SHA1 hash: | fb0e23aeec7d9204d863bf91945e76cb41fd5842 |
| MD5 hash: | 3ce7eda1d2489fb2a93bdd839699e64d |
| humanhash: | cardinal-white-lemon-blossom |
| File name: | AsyncClient.exe |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 46'080 bytes |
| First seen: | 2022-10-21 06:25:45 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger) |
| ssdeep | 768:vuwCfTg46YbWUn8jjmo2qrDKjGKG6PIyzjbFgX3iODt3RmRuuDFau6BDZSx:vuwCfTgp/2OKYDy3bCXSM3M09ukdSx |
| Threatray | 3'307 similar samples on MalwareBazaar |
| TLSH | T1DF233C003BE8822BF2BE5F7859F26145467AF2632603D64D2CC451DB5613FC69A43AFE |
| 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 |  JAMESWT_WT |
| Tags: | AsyncRAT exe |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 192.3.101.108:7707 | https://threatfox.abuse.ch/ioc/907020/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
221
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
AsyncClient.exe
Verdict:
Malicious activity
Analysis date:
2022-10-21 06:30:53 UTC
Tags:
trojan rat asyncrat
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-vm asyncrat njrat packed rat
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, PhoenixRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected PhoenixRAT
Behaviour
Behavior Graph:
Detection:
asyncrat
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2022-10-21 08:15:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
25 of 26 (96.15%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
asyncrat
Similar samples:
+ 3'297 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Score:
10/10
Tags:
family:asyncrat botnet:default rat spyware stealer
Behaviour
Suspicious use of AdjustPrivilegeToken
Reads user/profile data of web browsers
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
192.3.101.108:6606
192.3.101.108:7707
192.3.101.108:8808
192.3.101.108:7707
192.3.101.108:8808
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
af2b52d74cb468b141d03dcd688cc0b184164c906464ba830ffe4b4ab7fc812d
MD5 hash:
3ce7eda1d2489fb2a93bdd839699e64d
SHA1 hash:
fb0e23aeec7d9204d863bf91945e76cb41fd5842
Detections:
AsyncRAT
win_asyncrat_w0
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_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
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