MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 59c45ca799bd60c63cbfae48d706e6d9f9ff91827438bbd4e11ad1001d22ceaa. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments 1

SHA256 hash: 59c45ca799bd60c63cbfae48d706e6d9f9ff91827438bbd4e11ad1001d22ceaa
SHA3-384 hash: 15bf9aaade5adc827176cfb2aea0852529f908521951a9686b447dc2d099c5d0a4c98c225e56fe3b911eb59e1b331627
SHA1 hash: 61e2d2e3f83ec39f0d80036d3193873fd4b038b6
MD5 hash: 283a1e5c9799d92e10de27ed4151d2fa
humanhash: two-minnesota-early-kilo
File name:283a1e5c9799d92e10de27ed4151d2fa
Download: download sample
Signature AsyncRAT
File size:4'321'280 bytes
First seen:2022-09-27 15:49:39 UTC
Last seen:2022-09-27 19:08:25 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 49152:1hz0/LIxMQg3Q3cX5C/wnvdAlPjcmYo1e8fEaD1LQ5IG7V:1a/LRSL9O
TLSH T1B716E726BA4A4D32CA28A071701A432156FF588D4379F25AEA3DD0F50DD5DCD4F8AA3F
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 8213013131341131 (10 x AsyncRAT, 4 x zgRAT, 1 x RedLineStealer)
Reporter zbetcheckin
Tags:32 AsyncRAT exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
280
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a process from a recently created file
Setting a single autorun event
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
asyncrat bladabindi razy
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:
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates multiple autostart registry keys
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
Snort IDS alert for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Costura Assembly Loader
Yara detected DcRat
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 710958 Sample: thZ75rH4tG.exe Startdate: 27/09/2022 Architecture: WINDOWS Score: 100 43 Snort IDS alert for network traffic 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus / Scanner detection for submitted sample 2->47 49 7 other signatures 2->49 7 thZ75rH4tG.exe 1 10 2->7         started        11 RuntimeBroker.exe 2 2 2->11         started        14 SecurityHealthService.exe 2 2->14         started        16 3 other processes 2->16 process3 dnsIp4 33 C:\Users\user\...\SecurityHealthService.exe, PE32 7->33 dropped 35 C:\Users\user\AppData\...\RuntimeBroker.exe, PE32 7->35 dropped 37 C:\...\RuntimeBroker.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\Users\user\AppData\...\thZ75rH4tG.exe.log, ASCII 7->39 dropped 53 Creates multiple autostart registry keys 7->53 18 cmd.exe 1 7->18         started        21 cmd.exe 1 7->21         started        41 20.199.43.130, 49702, 9237 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 11->41 55 Antivirus detection for dropped file 11->55 57 Multi AV Scanner detection for dropped file 11->57 59 Machine Learning detection for dropped file 11->59 file5 signatures6 process7 signatures8 51 Uses schtasks.exe or at.exe to add and modify task schedules 18->51 23 conhost.exe 18->23         started        25 schtasks.exe 1 18->25         started        27 SecurityHealthService.exe 3 21->27         started        29 conhost.exe 21->29         started        31 timeout.exe 1 21->31         started        process9
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2022-09-27 15:50:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
21 of 25 (84.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
asyncrat
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
793babe34345452ee611df256526a23e51984111d10bdee49fa4a89e6ff95d76
MD5 hash:
bbea26e49c703fd5965905b7e23e74bb
SHA1 hash:
efd8a7f7604e45772bcb58439833adaa943f5ac9
SH256 hash:
59c45ca799bd60c63cbfae48d706e6d9f9ff91827438bbd4e11ad1001d22ceaa
MD5 hash:
283a1e5c9799d92e10de27ed4151d2fa
SHA1 hash:
61e2d2e3f83ec39f0d80036d3193873fd4b038b6
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.

Web download

AsyncRAT

Executable exe 59c45ca799bd60c63cbfae48d706e6d9f9ff91827438bbd4e11ad1001d22ceaa

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-09-27 15:49:50 UTC

url : hxxps://zenginlerclubmuck.xyz/System6/Grim/SecurityHealthService%20G.exe