MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b1fde48aa3298e07bede742647168ab9d13d509d04cb0aad30d0c80a3d893530. 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: 9
| SHA256 hash: | b1fde48aa3298e07bede742647168ab9d13d509d04cb0aad30d0c80a3d893530 |
|---|---|
| SHA3-384 hash: | a0b64cb006728d3bcdd5e11607191d800d4429dcd92236eb9b4c2aa5ffe50ccb603d01bc7b4a863d55167f79ce28f290 |
| SHA1 hash: | bf9a91126492be95d0aa69601345a4163731cd58 |
| MD5 hash: | ba4be0b7a4f487303fe5d1c2adc2e6ba |
| humanhash: | carolina-friend-floor-moon |
| File name: | ba4be0b7a4f487303fe5d1c2adc2e6ba.exe |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 71'000 bytes |
| First seen: | 2022-01-04 16:23:08 UTC |
| Last seen: | 2022-01-04 17:58:20 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 1536:2SrfbVu5tHJycYeeQzPhOvVihneW9+zBERH7/:2SrfbVu5XyYz5OdRSSBERHz |
| Threatray | 669 similar samples on MalwareBazaar |
| TLSH | T151639E3A56A4C4EAD719E570F083F311673A6EE6EB40451F33647ACE2CB66814EED0E1 |
| File icon (PE): |  |
| dhash icon | 71f0c08888c0e070 (9 x SnakeKeylogger, 9 x AgentTesla, 8 x AsyncRAT) |
| Reporter |  abuse_ch |
| Tags: | AsyncRAT exe RAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
227
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ba4be0b7a4f487303fe5d1c2adc2e6ba.exe
Verdict:
Malicious activity
Analysis date:
2022-01-04 16:28:30 UTC
Tags:
n/a
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
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
DNS request
Sending an HTTP GET request
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
5/10
Confidence:
83%
Tags:
obfuscated overlay packed quasar
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Creates an undocumented autostart registry key
Deletes itself after installation
Encrypted powershell cmdline option found
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Sigma detected: Powershell Used To Disable Windows Defender AV Security Monitoring
Sigma detected: Suspicious Encoded PowerShell Command Line
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Quasar
Status:
Malicious
First seen:
2022-01-04 16:24:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
21 of 28 (75.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 659 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
10/10
Tags:
persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Executes dropped EXE
Nirsoft
Modifies WinLogon for persistence
Unpacked files
SH256 hash:
b1fde48aa3298e07bede742647168ab9d13d509d04cb0aad30d0c80a3d893530
MD5 hash:
ba4be0b7a4f487303fe5d1c2adc2e6ba
SHA1 hash:
bf9a91126492be95d0aa69601345a4163731cd58
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.63
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: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
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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