MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 e440b9925643dfa36730a79eeada8392cf94192d003658aeb13abdff9db43e74. 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: | e440b9925643dfa36730a79eeada8392cf94192d003658aeb13abdff9db43e74 |
|---|---|
| SHA3-384 hash: | b3ba854bb2c5282bba772422d37a556aaaca8bdc028c7ae2e2c1a000b442160c288ee0c7841a1275fd38585b60de56f5 |
| SHA1 hash: | 89921b061ea7b182d6d597db3207ebfa615f7639 |
| MD5 hash: | 6557c9e54b6b6a89d7eddc2fc10e5e27 |
| humanhash: | undress-freddie-pip-oxygen |
| File name: | 6557c9e54b6b6a89d7eddc2fc10e5e27 |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 148'480 bytes |
| First seen: | 2022-07-15 03:15:52 UTC |
| Last seen: | 2024-07-24 22:24:44 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 3072:GCdQA57YUzQijEex3fkL705mIeI2/rCZROvU:GwvNvx8cdG |
| Threatray | 186 similar samples on MalwareBazaar |
| TLSH | T1EEE35C696FEC9107E7AF13BDE49504985AF1A9057A43E3693E4C1AF52F833940C0A3DB |
| TrID | 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4505/5/1) |
| Reporter |  openctibr |
| Tags: | AsyncRAT exe OpenCTI.BR Sandboxed |
Intelligence
File Origin
# of uploads :
3
# of downloads :
177
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6557c9e54b6b6a89d7eddc2fc10e5e27
Verdict:
No threats detected
Analysis date:
2022-07-15 06:04:14 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
Sending an HTTP GET request
Creating a file
Сreating synchronization primitives
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Running batch commands
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
DNS request
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-vm anti-vm evasive fingerprint
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Result
Threat name:
AsyncRAT, DcRat
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected VMProtect packer
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Queries memory information (via WMI often done to detect virtual machines)
Yara detected AsyncRAT
Yara detected DcRat
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Status:
Malicious
First seen:
2022-07-15 01:04:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 26 (80.77%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 176 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
9/10
Tags:
evasion vmprotect
Behaviour
Checks SCSI registry key(s)
Enumerates system info in registry
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Loads dropped DLL
Downloads MZ/PE file
Executes dropped EXE
Looks for VMWare Tools registry key
VMProtect packed file
Looks for VirtualBox Guest Additions in registry
Unpacked files
SH256 hash:
e440b9925643dfa36730a79eeada8392cf94192d003658aeb13abdff9db43e74
MD5 hash:
6557c9e54b6b6a89d7eddc2fc10e5e27
SHA1 hash:
89921b061ea7b182d6d597db3207ebfa615f7639
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
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_EXE_Packed_VMProtect |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables packed with VMProtect. |
| 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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