MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a57e3df4a9633d46ac59b6a45a3ad21357acbf5182e841e16a820edf81138bb6. 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 3 File information Comments

SHA256 hash: a57e3df4a9633d46ac59b6a45a3ad21357acbf5182e841e16a820edf81138bb6
SHA3-384 hash: aee6fed89e223666f4b0822405c74996b3be04701556e43fbb0742acfa90287511c455e5a40817f68885e0397b175d93
SHA1 hash: 258a71bd04ff5e3da545d941bb962de998fcb356
MD5 hash: 7ca736ba6c5898c997fd82042eb2b4a3
humanhash: oklahoma-fish-three-music
File name:7CA736BA6C5898C997FD82042EB2B4A3.exe
Download: download sample
Signature AsyncRAT
File size:470'528 bytes
First seen:2021-04-16 01:05:58 UTC
Last seen:2021-04-16 01:54:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:vZqT6giRpGO2Ez0nKKzlcEUs/BDowon8gpL:RqTgwO2Ez0bzl6s/lowon8
Threatray 29 similar samples on MalwareBazaar
TLSH C3A4124522A8D75FD5D84AFA8CD9497C0139DD4B2413F6F16980F1882ABAF0C8D79EB3
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
193.218.118.85:5751

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
193.218.118.85:5751 https://threatfox.abuse.ch/ioc/8677/

Intelligence


File Origin
# of uploads :
2
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Rust [Unknown_cheats5hgaw45].exe
Verdict:
Malicious activity
Analysis date:
2021-04-13 19:53:37 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 custom TCP request
Sending a UDP request
Launching a process
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 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.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Creates an undocumented autostart registry key
Drops PE files with benign system names
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Witch
Status:
Malicious
First seen:
2021-04-13 01:19:15 UTC
AV detection:
15 of 29 (51.72%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
AsyncRat
Malware Config
C2 Extraction:
:
Unpacked files
SH256 hash:
45e150ac59edd917579acc07df815a48113ed471727f66627bfe753fea445273
MD5 hash:
a50538ce8d7363c0a0039d94700c33a2
SHA1 hash:
8adbd30cd57a46fd7c4687c84d2f8260796d8597
SH256 hash:
7edd55804105bff7f024a8d2fce8ff97305770723d865b0aadc70cbe0e68e14f
MD5 hash:
7b45c76085b0bc25f387fa44e16ca92d
SHA1 hash:
587fa0dfd9a3b092c28ba8948c51cb11202e4dcc
SH256 hash:
5bc5efc1c1f12b1502208fbc2078a236e10de0eb4d12245785172c7f882e45e3
MD5 hash:
619b65084a1e757fccfafbcfab831d48
SHA1 hash:
14dc9458c7d470a541a3330f5ab8acf592dc511f
SH256 hash:
a57e3df4a9633d46ac59b6a45a3ad21357acbf5182e841e16a820edf81138bb6
MD5 hash:
7ca736ba6c5898c997fd82042eb2b4a3
SHA1 hash:
258a71bd04ff5e3da545d941bb962de998fcb356
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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