MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab3c4588fd35434cf08f28e0c8861c5131b0f02060d68194db626e4dc6ac6d33. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ab3c4588fd35434cf08f28e0c8861c5131b0f02060d68194db626e4dc6ac6d33
SHA3-384 hash: 10c448a289883043e91dec7b82659ab6b6be9e35369e9016fb9a45c41d00ddfec4dc820e5962143ae259250e4f0e35c7
SHA1 hash: b172397fc45fa2416dcb461b736179b257bad40f
MD5 hash: fa2eb41f3b31823fd4c3d2a0d306876b
humanhash: nitrogen-purple-west-pennsylvania
File name:file
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:181'248 bytes
First seen:2022-11-25 15:02:42 UTC
Last seen:2022-11-25 16:42:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 3072:y1P3Ecn6xiawBVpdhD8HecKVHAOTzc6uEYVpaYQQVINnRg2v2BNxLEzXre:y1D6JypdiU4wYVIgQ2BNxLEzX
Threatray 3'966 similar samples on MalwareBazaar
TLSH T1D7046B9D726472DFC857C072DEA82D68FA6564BB831F4213942316AEDE0D897CF250F2
TrID 28.5% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
13.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.2% (.EXE) Win32 Executable (generic) (4505/5/1)
5.6% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 30b2c4c8c8c4b030 (53 x Formbook, 41 x RemcosRAT, 20 x AgentTesla)
Reporter jstrosch
Tags:.NET AsyncRAT exe MSIL

Intelligence

File Origin
# of uploads :
2
# of downloads :
582
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-11-25 15:10:56 UTC
Tags:
trojan rat asyncrat
Link:
https://app.any.run/tasks/4bb7eeba-016f-455d-98c0-82bea3d3fb6c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AsyncRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/338481/
Detection(s):
PUA.Win.Packed.ConfuserEx-6391397-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Launching a process
Creating a file
Сreating synchronization primitives
DNS request
Using the Windows Management Instrumentation requests
Forced shutdown of a system process
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6380d929559d07a06f476a87/reports/5563e523-fa1a-40b8-8e5f-15d1abe14d4f/overview
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:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6eb1ab58-760f-474b-ab9b-5227a1e22f91
Result
Threat name:
AsyncRAT, PhoenixRAT
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1121196
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Drops PE files to the startup folder
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Powershell drops PE file
Sigma detected: Copy file to startup via Powershell
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected Generic Downloader
Yara detected PhoenixRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 753913 Sample: file.exe Startdate: 25/11/2022 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic 2->39 41 Multi AV Scanner detection for domain / URL 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 18 other signatures 2->45 7 file.exe 1 2->7         started        10 Synsnnsnsstem.exe 1 2->10         started        process3 file4 31 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 7->31 dropped 12 powershell.exe 13 7->12         started        16 RegSvcs.exe 2 7->16         started        19 powershell.exe 3 10->19         started        21 RegSvcs.exe 3 10->21         started        23 RegSvcs.exe 10->23         started        25 RegSvcs.exe 10->25         started        process5 dnsIp6 33 C:\Users\user\AppData\...\Synsnnsnsstem.exe, PE32 12->33 dropped 35 C:\...\Synsnnsnsstem.exe:Zone.Identifier, ASCII 12->35 dropped 47 Drops PE files to the startup folder 12->47 49 Powershell drops PE file 12->49 27 conhost.exe 12->27         started        37 chinasea.duckdns.org 173.234.105.145, 49684, 5201 LEASEWEB-AS-APLEASEWEBAUSTRALIAPTYLIMITEDAU Australia 16->37 29 conhost.exe 19->29         started        file7 signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ab3c4588fd35434cf08f28e0c8861c5131b0f02060d68194db626e4dc6ac6d33/
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2022-11-25 12:48:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vm6elch5gvbuz4epfdqmrbq4key3b4bamdlidfg3mjxe3rvmnuzq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
0a05f8788ca28d5f4e2ad838a36f83107326d3021fc5bc9824fe2c47dfd07712
AsyncRAT
16e7ad0f3c49622609f9e31253a81fca1521fc0ec0501be9773950d500abf571
AsyncRAT
2e75072eae7fa044b3ee05b2ba378823bbfa3091ceb5612f33b637c0d0764a21
AsyncRAT
5468fe6c4a8a65ed2e4e3c101c8fd0191b9773acc51ae61da6d446057958511b
AsyncRAT
8e3079b83ab70db97e2508e7a9a57a8a5ce124b1524c6a64867b5ff33edcbdca
AsyncRAT
959e3ca2579b6be8a11c06763c5a34ec118abc96d869e25bef06319c92da465e
AsyncRAT
eee7f4dd424733c57b1fe3712d215129f3494536bf6277d1811417c8a0a1baae
AsyncRAT
f0e61a30a68cacde89ef636511dfae2b488bcbe9b47053c3afc0718d66324f70
AsyncRAT
fb5500d8ead47d2daccdc10705f398285037e115bb73380a682e8a4481715dc5
AsyncRAT
+ 3'956 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default rat
Link:
https://tria.ge/reports/221125-se1xxaad3z/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
chinasea.duckdns.org:5201
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ec648b41-af47-490c-a880-8fbf0ba47f5c
Unpacked files
SH256 hash:
fd56a07f2da75c84337cbf94e0acafc09fb909cfb187a0ae214827ce2c4708bb
MD5 hash:
d93c5f59ddc41313bf36f106a2f1fe17
SHA1 hash:
97c5cd9d0689c1cd74685bc979122a13eba3fcc9
Link:
https://www.unpac.me/results/b2aca632-8caf-48eb-a11e-edebf082c412/
SH256 hash:
4240e58839e49d0c3a7545280609f1a3afb9ac27b5c9672a229e1065cdd573bb
MD5 hash:
bce8262f4cabb7645d490b7b9695ec78
SHA1 hash:
39b185c935f51a98e89208832bbc88a9610f001c
Link:
https://www.unpac.me/results/b2aca632-8caf-48eb-a11e-edebf082c412/
SH256 hash:
88493538808758c24b4ffc3892890861f2fc1dfe07079967f8da24419dbfd485
MD5 hash:
491d4783455d291256144ed9ed4f9715
SHA1 hash:
0aae86b0b0f366149694c4150d47bad1176ae65e
Detections:
AsyncRAT
Create hunting rule
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/b2aca632-8caf-48eb-a11e-edebf082c412/
Parent samples :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 hash:
ab3c4588fd35434cf08f28e0c8861c5131b0f02060d68194db626e4dc6ac6d33
MD5 hash:
fa2eb41f3b31823fd4c3d2a0d306876b
SHA1 hash:
b172397fc45fa2416dcb461b736179b257bad40f
Link:
https://www.unpac.me/results/b2aca632-8caf-48eb-a11e-edebf082c412/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ab3c4588fd35/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ab3c4588fd35434cf08f28e0c8861c5131b0f02060d68194db626e4dc6ac6d33

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_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

AsyncRAT

Executable exe ab3c4588fd35434cf08f28e0c8861c5131b0f02060d68194db626e4dc6ac6d33

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2432870/
Cape
Cape
https://www.capesandbox.com/analysis/338481/

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