MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b369655f627c3dd2f7cfc06f8cac5c9a91152b1286608fd03f78c26ce62029c. 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: 17


Intelligence 17 IOCs YARA 3 File information Comments

SHA256 hash: 1b369655f627c3dd2f7cfc06f8cac5c9a91152b1286608fd03f78c26ce62029c
SHA3-384 hash: a7524bac17fde3494da5da5dd20992eda1fdf345da6e386d89c6659b27933fa4c7dc74f11b1e738a03dc3e223d3cc254
SHA1 hash: 67e368232c61e6fe72faf60de77789dbad08157e
MD5 hash: 0ed67c55751379da8cb3af2bf95115e8
humanhash: carolina-nebraska-timing-juliet
File name:Arrival_notification.pdf.exe
Download: download sample
Signature AsyncRAT
File size:886'272 bytes
First seen:2022-09-18 22:52:55 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 12288:I/eSmRoZ9BgMEWRCb3TV7uikFgdrVlO4ip9FrvNsW75ecwTWKx+1vs4CRpp:+63TlubgITrl59wTWK8vs4Wp
TLSH T1A015B0282777C90BC999A530D8D1E2701B789DC4876BC75F09E83DB7F63B394A892271
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 70d4b2a84cd4ec78 (4 x Formbook, 2 x AsyncRAT, 2 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:AsyncRAT exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
359
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
Arrival_notification.pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-09-18 22:53:47 UTC
Tags:
asyncrat

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
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
packed
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
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-09-15 02:31:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
asyncrat
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:java rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
127.0.0.1:2406
niiarmah.kozow.com:6606
niiarmah.kozow.com:7707
niiarmah.kozow.com:8808
niiarmah.kozow.com:2406
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
161903f7d5633a0cdc5d416c229e1af16ad3f5a6d11dbe8d500aa9151a273f62
MD5 hash:
b460e7cd67e88a80f0b65f65d28b1c4c
SHA1 hash:
fef017687483cf2b5b9d5f8061b6f0645fdcf779
SH256 hash:
0a4881ab219518cb40e865cef542951acb9568d0e04b1d3f1e1065bf79716e56
MD5 hash:
ef981bb6b8fb4343eacfd3de8051a218
SHA1 hash:
c9b46d9a7cc996bb897b1259f5e69b35a712a7b3
SH256 hash:
04be7e9ed0b7c0b0656866bc6b61fcb714605335c6386b0ce1224b7a34f8cc4b
MD5 hash:
e682fd56b9f758a1dd324ba43555e04b
SHA1 hash:
97521a986caba5464ba06b67ea09f1c67a4fa2e1
SH256 hash:
727094ebe687bd9e69fd282d150c041879e2c9a7b7801cce594dd64624239ec1
MD5 hash:
bd2f310417a137f9f8f6e8a69c2401dd
SHA1 hash:
67a45276db4e93e59a8c61284ac71bb858eb112f
Detections:
AsyncRAT win_asyncrat_w0
SH256 hash:
44c50087cbd9a86677ff5b898c1ad52abf5f25297179a174edcc8b81dec967fc
MD5 hash:
d012ba9057bf67c7f29871326f2af919
SHA1 hash:
1d5b8b512b37f0e1900496b578117082929654c7
SH256 hash:
1b369655f627c3dd2f7cfc06f8cac5c9a91152b1286608fd03f78c26ce62029c
MD5 hash:
0ed67c55751379da8cb3af2bf95115e8
SHA1 hash:
67e368232c61e6fe72faf60de77789dbad08157e
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:pe_imphash
Rule name:RansomwareTest6
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
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 1b369655f627c3dd2f7cfc06f8cac5c9a91152b1286608fd03f78c26ce62029c

(this sample)

  
Dropped by
AsyncRAT
  
Delivery method
Distributed via e-mail attachment

Comments