MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4453880622da3096c96b4c18b90d886cecac8b93938e9da2d33737f3c7824713. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: 4453880622da3096c96b4c18b90d886cecac8b93938e9da2d33737f3c7824713
SHA3-384 hash: 6d28ccb8c9d50b23477ced56b336ebf60c2a084ead8d31e52271d7dec81c6d005b4fffbfda7e1e2817c1576fbe194d81
SHA1 hash: f7d176c29d19931a5a70d5f52b8831525c3c44e3
MD5 hash: f11c0bd7a78febffed5e7b4e15202dc1
humanhash: sink-oranges-lion-delaware
File name:PO_50060887.exe
Download: download sample
Signature AsyncRAT
File size:784'384 bytes
First seen:2021-09-30 03:26:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:b4EEQhWQ6UqsMy4nSVNmSmIuEL4wnYSzCrVt6+Jb/CW2:p12UvjmIuE8wMrtJzCW2
Threatray 1'412 similar samples on MalwareBazaar
TLSH T1E7F4EA394D2682F7C7DEC67CD48C1BCEDA66A8837B914F1AC496E7C2026770BE49845C
Reporter GovCERT_CH
Tags:AsyncRAT exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
102
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO_50060887.exe
Verdict:
Suspicious activity
Analysis date:
2021-09-30 03:28:28 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
Launching a process
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Self-deleting of the BAT file
Creating a process from a recently created file
Unauthorized injection to a system process
Malware family:
Snake Keylogger
Verdict:
Malicious
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 493921 Sample: PO_50060887.exe Startdate: 30/09/2021 Architecture: WINDOWS Score: 80 40 Found malware configuration 2->40 42 Yara detected AsyncRAT 2->42 44 .NET source code contains potential unpacker 2->44 46 4 other signatures 2->46 9 PO_50060887.exe 3 2->9         started        12 PI.exe 2 2->12         started        process3 file4 36 C:\Users\user\AppData\...\PO_50060887.exe.log, ASCII 9->36 dropped 14 RegSvcs.exe 7 9->14         started        17 conhost.exe 12->17         started        process5 file6 38 C:\Users\user\AppData\Roaming\PI.exe, PE32 14->38 dropped 19 cmd.exe 1 14->19         started        22 cmd.exe 1 14->22         started        process7 signatures8 48 Uses schtasks.exe or at.exe to add and modify task schedules 19->48 24 conhost.exe 19->24         started        26 schtasks.exe 1 19->26         started        28 PI.exe 1 22->28         started        30 conhost.exe 22->30         started        32 timeout.exe 1 22->32         started        process9 process10 34 conhost.exe 28->34         started       
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Status:
Malicious
First seen:
2021-09-30 03:27:06 UTC
AV detection:
5 of 44 (11.36%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:default rat
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
45.137.22.115:14496
Unpacked files
SH256 hash:
20778c41ea8fa2511b489746459fc0b6882854a4fc65f75a2497749c13c9231c
MD5 hash:
cbc94371adf725a91ed4be92736aec6f
SHA1 hash:
980c0bed9a155e4337f4bed465623970c66eb775
SH256 hash:
43e38f251dbca9aa20f3470167e5427a7e7a7cdcd25f0b6b045ae8577cd3e345
MD5 hash:
f62ab5d3528d5a3b9e270ea1f9347868
SHA1 hash:
6a74e87711c615adbd9145f829a33f55b7e42dd6
SH256 hash:
f65737c4d06470c4fa076789d3a3dbc5424e3caea24bb6c01160bc45bcad5521
MD5 hash:
8641fb3ddc60804287e5f0b4d06b8f18
SHA1 hash:
64c7b2708f85a92db6276a19246b1415d6fa39df
Detections:
win_asyncrat_w0
SH256 hash:
4453880622da3096c96b4c18b90d886cecac8b93938e9da2d33737f3c7824713
MD5 hash:
f11c0bd7a78febffed5e7b4e15202dc1
SHA1 hash:
f7d176c29d19931a5a70d5f52b8831525c3c44e3
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: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.

Malspam

AsyncRAT

Executable exe 4453880622da3096c96b4c18b90d886cecac8b93938e9da2d33737f3c7824713

(this sample)

  
Delivery method
Distributed via e-mail attachment

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