MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 da4bf3c37f0d10b87bac8618032142e1cbafe7dc444b038aad94e722084eab7a. 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: 19
| SHA256 hash: | da4bf3c37f0d10b87bac8618032142e1cbafe7dc444b038aad94e722084eab7a |
|---|---|
| SHA3-384 hash: | 3471a6d4915d277f6fb558833302c4c8eed95338e249d618c3050e5acf5a6a71912fbfeb46cf58c3498baea02a39e708 |
| SHA1 hash: | a6fe6d254ca266a98cdc7e0071a372d45f9bf9b6 |
| MD5 hash: | a8ab69d81fc07c019a2b5cae60bdc61c |
| humanhash: | lithium-six-tango-johnny |
| File name: | a8ab69d81fc07c019a2b5cae60bdc61c.exe |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 977'920 bytes |
| First seen: | 2023-12-04 12:35:09 UTC |
| Last seen: | 2023-12-04 14:25:35 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 24576:Orh9P/0YFFAnTHSluKiyWyaquCCANkvCdvmJ9WWNuNYLRzk:65luKiyWyaquCCAN/gXgYLm |
| Threatray | 3'030 similar samples on MalwareBazaar |
| TLSH | T152258DAA0B94C617D94F8BB5FAB1135C67B1E50193CBF78AB44B76B42FC23164E83112 |
| TrID | 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10523/12/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4505/5/1) |
| Reporter |  abuse_ch |
| Tags: | AsyncRAT exe RAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
348
Origin country :
NLVendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
a8ab69d81fc07c019a2b5cae60bdc61c.exe
Verdict:
Malicious activity
Analysis date:
2023-12-04 12:35:45 UTC
Tags:
rat asyncrat remote
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AsyncRat
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Creating a process from a recently created file
Sending an HTTP POST request
Launching a process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Verdict:
Malicious
Labled as:
Lazy.Generic
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
Found malware configuration
Injects a PE file into a foreign processes
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:
Score:
100%
Verdict:
Malware
File Type:
PE
Detection:
asyncrat
Threat name:
Win32.Trojan.CrypterX
Status:
Malicious
First seen:
2023-11-30 13:00:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
20 of 37 (54.05%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
asyncrat
Similar samples:
+ 3'020 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Score:
10/10
Tags:
family:asyncrat botnet:default persistence rat
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
193.222.96.19:6606
193.222.96.19:7707
193.222.96.19:8808
193.222.96.19:7707
193.222.96.19:8808
Unpacked files
SH256 hash:
4ced6c57e0d3f48788d2bd89ea37d548528d23762a1ffd6e4d93d6d196e2ebf1
MD5 hash:
c5508d8c5c37e08762ec8d041cabbe82
SHA1 hash:
a40022f44a815debbc7f7b3c7278aa224655085e
SH256 hash:
4c585d379d72ed476399f4ced4efb6061e24dc522bce2f758221f5fbf83e6424
MD5 hash:
e8f9e99de92f00fd4719fdb09554c73d
SHA1 hash:
6170b70f5a5a2229d3bd7d4e7e386650a8ee0270
Detections:
AsyncRAT
win_asyncrat_w0
INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
win_asyncrat_bytecodes
win_asyncrat_unobfuscated
asyncrat
SH256 hash:
120934a3cdc7c7168ea2f9e28e06b7dc0fcf01b399b2d985cb860215c1b034d2
MD5 hash:
8cd215b7ad25bed0fb849aa82b62219a
SHA1 hash:
5516e8459ccbdac23c44b78480368dc2c8f1a388
Detections:
INDICATOR_EXE_Packed_SmartAssembly
SH256 hash:
fa3bcbea6790ae7e87a32ded5b933600caa09cbd5e0c2112275f46cd73b05dae
MD5 hash:
3cd27dd289f22ae8b20449820373b066
SHA1 hash:
15f54f0314c75c199b6d72d101c12421014c7647
SH256 hash:
da4bf3c37f0d10b87bac8618032142e1cbafe7dc444b038aad94e722084eab7a
MD5 hash:
a8ab69d81fc07c019a2b5cae60bdc61c
SHA1 hash:
a6fe6d254ca266a98cdc7e0071a372d45f9bf9b6
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: | DebuggerCheck__RemoteAPI |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse |
|---|---|
| Author: | ditekSHen |
| Description: | Detects file containing reversed ASEP Autorun registry keys |
| Rule name: | malware_asyncrat |
|---|---|
| Description: | detect AsyncRat in memory |
| Reference: | https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp |
| 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: | msil_suspicious_use_of_strreverse |
|---|---|
| Author: | dr4k0nia |
| Description: | Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse |
| Rule name: | Multifamily_RAT_Detection |
|---|---|
| Author: | Lucas Acha (http://www.lukeacha.com) |
| Description: | Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | Njrat |
|---|---|
| Author: | botherder https://github.com/botherder |
| Description: | Njrat |
| 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: | Windows_Trojan_Asyncrat_11a11ba1 |
|---|---|
| Author: | Elastic Security |
| Rule name: | win_asyncrat_bytecodes |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects bytecodes present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc) |
| 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.
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.