MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b706f2254c046cc98027519e95de07d7e0d63ac61733db9c42fc2995b69fe48. 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: 16


Intelligence 16 IOCs 1 YARA 7 File information Comments

SHA256 hash: 2b706f2254c046cc98027519e95de07d7e0d63ac61733db9c42fc2995b69fe48
SHA3-384 hash: 0fd72ea68595c905ce7bc4ada52f64ce0800ceca876787c85c9eda0765a3e40eef99108e9bfc3c77a3ab600639a7fa1e
SHA1 hash: 9bf3badb4a0d7ca93a8e73e26b455b844acdc9ad
MD5 hash: a4135f2786b618342c40ec68df21f10a
humanhash: arizona-three-colorado-don
File name:a4135f2786b618342c40ec68df21f10a.exe
Download: download sample
Signature AsyncRAT
File size:48'640 bytes
First seen:2021-12-30 02:45:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:auu91TwQsOnFWUF01/mo2qDRWe3495ciMPIoNzpOTtV0bbBdRdufw1PQZVimwBDY:auu91TwSo2KicixoNzpOTtibbBj0fw1m
Threatray 1'801 similar samples on MalwareBazaar
TLSH T120233C007BE9862BF37E5F74A8F32145867AF2633603D65D2CC401975623FC69A426FA
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
20.108.44.45:3152

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
20.108.44.45:3152 https://threatfox.abuse.ch/ioc/289254/

Intelligence


File Origin
# of uploads :
1
# of downloads :
319
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a4135f2786b618342c40ec68df21f10a.exe
Verdict:
Malicious activity
Analysis date:
2021-12-30 02:48:25 UTC
Tags:
trojan rat asyncrat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
DNS request
Сreating synchronization primitives
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat coinminer fareit greyware njrat obfuscated packed rat samas
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.
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Found malware configuration
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
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)
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2021-12-28 05:43:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
26 of 28 (92.86%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat rat spyware stealer
Behaviour
Suspicious use of AdjustPrivilegeToken
Reads user/profile data of web browsers
Async RAT payload
AsyncRat
Unpacked files
SH256 hash:
2b706f2254c046cc98027519e95de07d7e0d63ac61733db9c42fc2995b69fe48
MD5 hash:
a4135f2786b618342c40ec68df21f10a
SHA1 hash:
9bf3badb4a0d7ca93a8e73e26b455b844acdc9ad
Detections:
win_asyncrat_w0
Malware family:
AsyncRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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:pe_imphash
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.

Comments