MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3aa4891da8c0e803d25b3d88b46613ba021e3f5b1b2ebfcb07fbe227fb8a5c85. 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: | 3aa4891da8c0e803d25b3d88b46613ba021e3f5b1b2ebfcb07fbe227fb8a5c85 |
|---|---|
| SHA3-384 hash: | ba6e665e409eb1037c1935197e864c686e9b7586c3311a4f18cf7b67291cf384e05eba591865ed735ef1264d882f0b5d |
| SHA1 hash: | 5021fa1659a64a313f67f3a6cd8a092b5a4b33e1 |
| MD5 hash: | 755bf95d4f7b4a98186dbb289f6054e4 |
| humanhash: | michigan-five-echo-monkey |
| File name: | 755bf95d4f7b4a98186dbb289f6054e4.exe |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 189'440 bytes |
| First seen: | 2021-08-03 13:51:29 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 9222d372923baed7aa9dfa28449a94ea (11 x AsyncRAT, 10 x RedLineStealer, 9 x NanoCore) |
| ssdeep | 3072:NMSncRzAOwucoT3xN2azincpbKKp0gV8PCvKRJU6CBnwiAhY6r1dQrLSVhIAHvKp:OSncRlwucAAopbJ0gSCv8nY6r1dQrDAB |
| Threatray | 1'107 similar samples on MalwareBazaar |
| TLSH | T159043C0477E88232E5BA47BD5CB252014737F6129F32D7DE2A9C419E1F727808D52BAB |
| dhash icon | 40c0c0e230583e02 (1 x AsyncRAT) |
| Reporter |  abuse_ch |
| Tags: | AsyncRAT exe RAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 61.14.233.111:8808 | https://threatfox.abuse.ch/ioc/165551/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
120
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
755bf95d4f7b4a98186dbb289f6054e4.exe
Verdict:
Malicious activity
Analysis date:
2021-08-03 13:52:55 UTC
Tags:
trojan rat asyncrat blue bot
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 %temp% directory
Creating a process from a recently created file
Creating a window
Creating a file
Creating a file in the %AppData% directory
DNS request
Connection attempt
Running batch commands
Creating a process with a hidden window
Deleting a recently created file
Launching a process
Sending a UDP request
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
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 BlueBot
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Drops PE files to the startup folder
Drops PE files with benign system names
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Svchost Process
Sigma detected: System File Execution Location Anomaly
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Yara detected BlueBot
Behaviour
Behavior Graph:
Detection:
asyncrat
Threat name:
Win32.Hacktool.Binder
Status:
Malicious
First seen:
2021-07-11 06:32:00 UTC
AV detection:
26 of 28 (92.86%)
Threat level:
1/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
asyncrat
Similar samples:
+ 1'097 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Score:
10/10
Tags:
family:asyncrat persistence rat suricata
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
Malware Config
C2 Extraction:
127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
vlhoangkimpk.net:6606
vlhoangkimpk.net:7707
vlhoangkimpk.net:8808
127.0.0.1:7707
127.0.0.1:8808
vlhoangkimpk.net:6606
vlhoangkimpk.net:7707
vlhoangkimpk.net:8808
Unpacked files
SH256 hash:
3aa4891da8c0e803d25b3d88b46613ba021e3f5b1b2ebfcb07fbe227fb8a5c85
MD5 hash:
755bf95d4f7b4a98186dbb289f6054e4
SHA1 hash:
5021fa1659a64a313f67f3a6cd8a092b5a4b33e1
Detections:
win_asyncrat_w0
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: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| 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: | INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing non-Windows User-Agents |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_TooManyWindowsUA |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many varying, potentially fake Windows User-Agents |
| Rule name: | Malware_QA_update |
|---|---|
| Author: | Florian Roth |
| Description: | VT Research QA uploaded malware - file update.exe |
| Reference: | VT Research QA |
| Rule name: | MALWARE_Win_BlueBot |
|---|---|
| Author: | ditekSHen |
| Description: | Detects BlueBot |
| 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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