MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 503daa99af5a571e42bba412296ce3f6e086ce203359cb27f7d04442d10b2999. 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


Intelligence 11 IOCs 1 YARA 5 File information Comments

SHA256 hash: 503daa99af5a571e42bba412296ce3f6e086ce203359cb27f7d04442d10b2999
SHA3-384 hash: e86856fd237defbeaa89b1d1d833071788cab95cd0df46a9e46102f4badc6f2ef934a4cc2041e4a03e9ac69f80c853aa
SHA1 hash: b6e5e611bd28d9fa35aec673abb1b86d3013bb59
MD5 hash: 0a6d7c64fefb55dc8feb980130337ff4
humanhash: twelve-carbon-autumn-football
File name:Purchase.exe
Download: download sample
Signature AsyncRAT
File size:431'528 bytes
First seen:2021-08-03 08:56:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:vleQVrrqQ9jjDZWv2U1IRDcbCixPmaHampWUcqCsgNahqGk+/rN+r7JKFln6MLj0:91yQ9dI1GsLuuvWHdwTk+h+30Fp6MLA
Threatray 43 similar samples on MalwareBazaar
TLSH T13E942378F349DD12DB9484F36123CD001BA19FE561B159DAD4C8F22D8FF47A0EA366A2
dhash icon 00001c0000191800 (1 x AsyncRAT)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
194.5.97.150:7707

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
194.5.97.150:7707 https://threatfox.abuse.ch/ioc/165513/

Intelligence


File Origin
# of uploads :
1
# of downloads :
138
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-03 09:00:16 UTC
Tags:
n/a

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

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun
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.
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Signature
.NET source code contains potential unpacker
Creates an undocumented autostart registry key
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Status:
Malicious
First seen:
2021-08-03 08:20:05 UTC
AV detection:
8 of 46 (17.39%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat persistence rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
AsyncRat
Modifies WinLogon for persistence
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
Unpacked files
SH256 hash:
4a48706c17c7ed1c343676d651637c792f021605ad00fcfa2ff3c1d530969725
MD5 hash:
49a837d6d9e020a879a40f0be26de332
SHA1 hash:
e91673750a2e46e3561c62508aac7da0758b2a86
SH256 hash:
34a5c1b08926399e8b2526db1ea7f74aeb431a6e25944e57ceda1abb1cb806ff
MD5 hash:
5b5721ca2f54a5050450abc419891b38
SHA1 hash:
454b24d78855176e3b119006d0d007f6e956dd95
SH256 hash:
b38c716aa7fd216712e5d9ef0acd71b06a0361e852668ada7ebbcb0a4b62ef6c
MD5 hash:
40b8082eeb015b5fd532d65e36c18afb
SHA1 hash:
04efbc94436986443a7ec23fe454dc5af1bec03a
Detections:
win_asyncrat_w0
SH256 hash:
503daa99af5a571e42bba412296ce3f6e086ce203359cb27f7d04442d10b2999
MD5 hash:
0a6d7c64fefb55dc8feb980130337ff4
SHA1 hash:
b6e5e611bd28d9fa35aec673abb1b86d3013bb59
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:INDICATOR_KB_CERT_01342592a0010cb1109c11c0519cfd24
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
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: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.

Comments