MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 75455f8fe0ddf7a4cc93ea0072c3786bb4ec968930f182ccfcb4474c44d62484. 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: 7
| SHA256 hash: | 75455f8fe0ddf7a4cc93ea0072c3786bb4ec968930f182ccfcb4474c44d62484 |
|---|---|
| SHA3-384 hash: | 8d642ec1a153a010ef2d38ee7fbc17384c5ff704b633ae9dde2586f0e3d070291f7a3af648d637a8525949383e669ef1 |
| SHA1 hash: | 274ad248f1a7669b8453fa09ede42ec339115cff |
| MD5 hash: | f2078386fd781f11b00cace49f7217c1 |
| humanhash: | missouri-blossom-six-kilo |
| File name: | ZHDJFEB83MK.vbs |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 730 bytes |
| First seen: | 2021-08-27 16:30:45 UTC |
| Last seen: | Never |
| File type: |  vbs |
| MIME type: | text/plain |
| ssdeep | 12:0ChGF2MBNBXNoxAbOJk82cG2bwELPdg3Nfd+aaiTC:HgF2SNBXQXG2UE7kNEuC |
| Threatray | 1'204 similar samples on MalwareBazaar |
| TLSH | T18E012B0A4D29CDDB0049F19202D34DE9C6704BA74F807E7A247479476CAD22F6DCCD87 |
| Reporter |  abuse_ch |
| Tags: | AsyncRAT RAT vbs |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 103.147.185.192:7840 | https://threatfox.abuse.ch/ioc/201082/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
290
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Creates an undocumented autostart registry key
Found malware configuration
Injects a PE file into a foreign processes
Obfuscated command line found
Sigma detected: Suspicious PowerShell Command Line
Sigma detected: Suspicious PowerShell Keywords
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
VBScript performs obfuscated calls to suspicious functions
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected AsyncRAT
Yara detected MSILLoadEncryptedAssembly
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Threat name:
Script.Downloader.Heuristic
Status:
Malicious
First seen:
2021-08-27 16:31:14 UTC
AV detection:
3 of 45 (6.67%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
asyncrat
Similar samples:
+ 1'194 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Score:
10/10
Tags:
family:asyncrat rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Blocklisted process makes network request
Async RAT payload
AsyncRat
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
Malware Config
C2 Extraction:
jilldoggyy.duckdns.org:7840
jilldoggyy.duckdns.org:7829
jilldoggyy.duckdns.org:7841
103.147.185.192:7840
103.147.185.192:7829
103.147.185.192:7841
jilldoggyy.duckdns.org:7829
jilldoggyy.duckdns.org:7841
103.147.185.192:7840
103.147.185.192:7829
103.147.185.192:7841
Dropper Extraction:
http://transfer.sh/1rhbiXf/JFjffj.txt
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
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: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse |
|---|---|
| Author: | ditekSHen |
| Description: | Detects file containing reversed ASEP Autorun registry keys |
| Rule name: | pe_imphash |
|---|
| Rule name: | PowerShell_Case_Anomaly |
|---|---|
| Author: | Florian Roth |
| Description: | Detects obfuscated PowerShell hacktools |
| Reference: | https://twitter.com/danielhbohannon/status/905096106924761088 |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| 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.
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