MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b1b6896b56865e3cf306b27273571684872a9fc8147262d7f0f8c8f7b33b82b9. 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: 11
| SHA256 hash: | b1b6896b56865e3cf306b27273571684872a9fc8147262d7f0f8c8f7b33b82b9 |
|---|---|
| SHA3-384 hash: | 945c825e5a1a57f410910dee303b6eb67636218be9a514ed23752376871a4f5cb70fa6300902bea9a6938b7e8021369a |
| SHA1 hash: | 2dd5bd5e0d9a6010d1fba5e617889d4a12dfbaa9 |
| MD5 hash: | ac6c59b4841b47bbd42ec091a3d8a2e6 |
| humanhash: | grey-march-cold-mars |
| File name: | ac6c59b4841b47bbd42ec091a3d8a2e6.exe |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 574'464 bytes |
| First seen: | 2022-07-05 23:00:18 UTC |
| Last seen: | 2022-07-05 23:57:56 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'611 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:JCr+ndyccCXV65mdHlj1hdQFPLFmKba19kIdIZYtn:s+dbce8mdFjdEpmKbwxcwn |
| TLSH | T192C4D066E1A69CD5E416B1F8A875AD6612273D69A4708E0E307B311C49B3393CCB7E0F |
| TrID | 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.4% (.EXE) Win64 Executable (generic) (10523/12/4) 6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.4% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.EXE) OS/2 Executable (generic) (2029/13) |
| File icon (PE): |  |
| dhash icon | 45d4c4dcf4c47211 (9 x AsyncRAT, 2 x AgentTesla, 2 x NanoCore) |
| 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 |
|---|---|
| 37.0.14.204:2019 | https://threatfox.abuse.ch/ioc/798403/ |
Intelligence
File Origin
# of uploads :
2
# of downloads :
256
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-vm packed
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:
BluStealer
Verdict:
Malicious
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates an undocumented autostart registry key
Encrypted powershell cmdline option found
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
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:
Threat name:
ByteCode-MSIL.Trojan.Strictor
Status:
Malicious
First seen:
2022-07-05 23:01:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
20 of 26 (76.92%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Result
Malware family:
asyncrat
Score:
10/10
Tags:
family:asyncrat rat suricata
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Async RAT payload
AsyncRat
suricata: ET MALWARE Generic AsyncRAT Style SSL Cert
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
Unpacked files
SH256 hash:
73cc01a6db863ec365e63dcb4e23b86fcaaafc7bbf3eb56658b2b73a9e9a707a
MD5 hash:
c515a20d419b798f9e1154fc84b8660f
SHA1 hash:
bcf372be2aef560da32976a0266c950e5ee1084b
SH256 hash:
769a6e947b4798e86f3d28ba8d3179d8e3d163a1710d8561c3c28881b68805a2
MD5 hash:
586197e626c99fa79f84fe7216b1cbe2
SHA1 hash:
0806208dac1804f406040696ab38d505d27cd696
SH256 hash:
b1b6896b56865e3cf306b27273571684872a9fc8147262d7f0f8c8f7b33b82b9
MD5 hash:
ac6c59b4841b47bbd42ec091a3d8a2e6
SHA1 hash:
2dd5bd5e0d9a6010d1fba5e617889d4a12dfbaa9
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: | AgentTesla |
|---|---|
| Author: | Harish Kumar P |
| Description: | Yara Rule to Detect AgentTesla |
| Rule name: | malware_asyncrat |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| Rule name: | MALWARE_Win_zgRAT |
|---|---|
| Author: | ditekSHen |
| Description: | Detects zgRAT |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| 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.
Web download
Delivery method
Distributed via web download
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.