MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 6b8fb23217fbd40c85d56292ca421ae36b66619642cd83c01f8861d4bd0b40e8. 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: 16
| SHA256 hash: | 6b8fb23217fbd40c85d56292ca421ae36b66619642cd83c01f8861d4bd0b40e8 |
|---|---|
| SHA3-384 hash: | 06119b8332cedfbe4ba3303b502392ceab5bdb346662556a1afccbb2f22dee223477d2094bb6a9bc047413ae0201799d |
| SHA1 hash: | b3eed1479b97f70e2f2eed588a24dd1dca051340 |
| MD5 hash: | c592acf4132d54735237cde7dece0e04 |
| humanhash: | friend-speaker-early-eighteen |
| File name: | c592acf4132d54735237cde7dece0e04 |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 46'080 bytes |
| First seen: | 2022-08-28 07:35:57 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger) |
| ssdeep | 768:LuSzyfTAYJTbWUnj+zmo2qLzKjGKG6PIyzjbFgX3igUFXjgS5NBDZbx:LuSzyfTAWq2eKYDy3bCXSPS4dbx |
| Threatray | 2'811 similar samples on MalwareBazaar |
| TLSH | T17D232B003BD9812BF2BE4F789CF26145857AF2632603D58A1CC451DB5723FC69A526FE |
| 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 |  zbetcheckin |
| Tags: | 32 AsyncRAT exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
283
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
c592acf4132d54735237cde7dece0e04
Verdict:
Malicious activity
Analysis date:
2022-08-28 07:38:44 UTC
Tags:
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
DNS request
Sending a custom TCP request
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Connects to a pastebin service (likely for C&C)
Connects to many ports of the same IP (likely port scanning)
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:
ByteCode-MSIL.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2022-08-28 07:36:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
25 of 26 (96.15%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
asyncrat
Similar samples:
+ 2'801 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Score:
10/10
Tags:
family:asyncrat rat
Behaviour
Suspicious use of AdjustPrivilegeToken
Legitimate hosting services abused for malware hosting/C2
Async RAT payload
AsyncRat
Unpacked files
SH256 hash:
6b8fb23217fbd40c85d56292ca421ae36b66619642cd83c01f8861d4bd0b40e8
MD5 hash:
c592acf4132d54735237cde7dece0e04
SHA1 hash:
b3eed1479b97f70e2f2eed588a24dd1dca051340
Detections:
win_asyncrat_w0
AsyncRAT
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
Comments
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