MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f48839422ba1f64d6fa4de03c68e1fcb254fc079fa1c971dc6e6dad523a4561a. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments
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SHA256 hash: f48839422ba1f64d6fa4de03c68e1fcb254fc079fa1c971dc6e6dad523a4561a
SHA3-384 hash: 139a5d132bacd712afb7dbceda7ca9933812ce7f82ca250c3034ba26b934ff74f0869d0dd65982a401fdf17aa92e86fc
SHA1 hash: 5cb8f0a988a89418cb9cf779590c7c81fd66a3d2
MD5 hash: 8bba21852f3a21b7fb76ab9461a3809f
humanhash: early-mike-salami-two
File name:NEW ORDER ENQUIRY AND PROCUREMENT DATASHEET OHMEX INTERNATIONAL_pdf.exe
Download: download sample
Signature AsyncRAT
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File size:422'400 bytes
First seen:2020-08-12 13:21:28 UTC
Last seen:2020-08-12 13:45:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:DnHcSLL5d31LKbEXvrs51tQWkC6xoDAOSw:DHnLUEouHC6x2AZw
TLSH 12945FE03A407063D4AB457445FBAAE691E3712D9D34180D6853BE4EEE223877CDE8B7
Reporter James_inthe_box
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AsyncRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/44138/
Detection(s):
SecuriteInfo.com.Generic.HEUR.QVM03.0.3179.Malware.Gen.10366.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Sending a UDP request
Using the Windows Management Instrumentation requests
Sending a TCP request to an infection source
Unauthorized injection to a system process
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/422627
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f48839422ba1f64d6fa4de03c68e1fcb254fc079fa1c971dc6e6dad523a4561a/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-12 13:21:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6sedsqrluh3e235e3yb4ndq7zmsu7qdz7iojohog43nnki5ekyna._file
Verdict:
unknown
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
rat family:asyncrat
Link:
https://tria.ge/reports/200812-9ebg9lf316/
Behaviour
Suspicious use of WriteProcessMemory
Async RAT payload
AsyncRat
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.71
Link:
https://yomi.yoroi.company/submissions/f48839422ba1f64d6fa4de03c68e1fcb254fc079fa1c971dc6e6dad523a4561a

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:win_asyncrat_j1
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Author:Johannes Bader @viql
Description:detects AsyncRAT

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/44138/

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