MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9207b2bfa475a92bb9f1445c473aa8aed945c7777d09e32cf66064cbced51ed3. 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: 10


Intelligence 10 IOCs 1 YARA 8 File information Comments

SHA256 hash: 9207b2bfa475a92bb9f1445c473aa8aed945c7777d09e32cf66064cbced51ed3
SHA3-384 hash: a35028e4e74382013998c6dca99ab607ceb2130cb0f3cbe6bfe4efc1d15b772ce98631b5031c7cbbc8560f7f71756dd2
SHA1 hash: 64e912da1d260d26a6e89951abd44811ba3cbcfd
MD5 hash: 8756f710f63988e5fd753f3235c0caed
humanhash: snake-comet-nebraska-violet
File name:9207b2bfa475a92bb9f1445c473aa8aed945c7777d09e.exe
Download: download sample
Signature AsyncRAT
File size:944'128 bytes
First seen:2021-05-20 13:30:52 UTC
Last seen:2021-05-20 14:09:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:l7PosOnqI2woIPlZP7sQTMgfEmgXlZ2R1IiQR5opVZgqVvALY+y+puR1VQX8aaqQ:JrOnq6tZP7sIfdR1IbR56S8+i
Threatray 819 similar samples on MalwareBazaar
TLSH A71591EFBD1C759ECCF68831F9E41EA499153C7642078303707F3A99AA2D59E9F440A2
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
66.154.113.12:7707

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
66.154.113.12:7707 https://threatfox.abuse.ch/ioc/43531/

Intelligence


File Origin
# of uploads :
2
# of downloads :
121
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
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.
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to delay execution (extensive OutputDebugStringW loop)
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-05-20 13:31:14 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat rat spyware stealer
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
66.154.113.12:6606
66.154.113.12:7707
66.154.113.12:8808
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:HKTL_NET_GUID_wsManager
Author:Arnim Rupp
Description:Detects c# red/black-team tools via typelibguid
Reference:https://github.com/guillaC/wsManager
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:Reverse_text_bin_mem
Author:James_inthe_box
Description:Reverse text detected
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