MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab199809bf3d853509ba7a0d68899c0681b684db1c460b679f9632ac4c75c94d. 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 4 File information Comments

SHA256 hash: ab199809bf3d853509ba7a0d68899c0681b684db1c460b679f9632ac4c75c94d
SHA3-384 hash: fc96745b63475b59cf2997a41ae607b532a23f31bf4b9a35be4b4b172a7ec7adf89c5207e65caa36d8bfcfc159b1ea5b
SHA1 hash: 2b5b327ef6a4910b122d106c664efebbf2517678
MD5 hash: 7af4c312bb2f0284f16f8f43fc1e1375
humanhash: bakerloo-salami-hot-colorado
File name:Invoice Payment.exe
Download: download sample
Signature AsyncRAT
File size:56'248 bytes
First seen:2021-10-08 05:19:01 UTC
Last seen:2021-10-08 06:10:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:wvI5RYMz13mhcR5Gz7rT5A+CCRMQe0HRMCE2yUy5KMc5tuQsxYho5Fhl4:wQ/W05GBpMQemRMEyUy5K+QsxmoD4
Threatray 495 similar samples on MalwareBazaar
TLSH T1AA437C1273945327E67E2B3610B254101BFAE342A732DA1FBECC409E4F67B44C7A2B56
Reporter GovCERT_CH
Tags:AsyncRAT exe signed

Code Signing Certificate

Organisation:48e571i8ZYXa36G
Issuer:48e571i8ZYXa36G
Algorithm:sha256WithRSAEncryption
Valid from:2021-10-07T21:03:12Z
Valid to:2022-10-07T21:03:12Z
Serial number: ef606f92aca752b66c774b772b6f33be
Thumbprint Algorithm:SHA256
Thumbprint: 75465aed0f655cf71a3e1f61db5171abe46c870bcdfca3ce632326738af8f2b9
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
2
# of downloads :
211
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice Payment.exe
Verdict:
Malicious activity
Analysis date:
2021-10-08 05:21:09 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:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.adwa.expl.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Creates autostart registry keys with suspicious names
Disables UAC (registry)
Drops PE files to the startup folder
Drops PE files with benign system names
Executable has a suspicious name (potential lure to open the executable)
Initial sample is a PE file and has a suspicious name
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Bypass UAC via CMSTP
Sigma detected: Powershell adding suspicious path to exclusion list
Sigma detected: Powershell Defender Exclusion
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 499294 Sample: Invoice Payment.exe Startdate: 08/10/2021 Architecture: WINDOWS Score: 100 73 System process connects to network (likely due to code injection or exploit) 2->73 75 Multi AV Scanner detection for dropped file 2->75 77 Sigma detected: Powershell adding suspicious path to exclusion list 2->77 79 12 other signatures 2->79 7 Invoice Payment.exe 24 11 2->7         started        12 svchost.exe 2->12         started        14 ???????????????.exe 2->14         started        16 4 other processes 2->16 process3 dnsIp4 65 23.105.131.236, 4409, 49761, 49768 LEASEWEB-USA-NYC-11US United States 7->65 67 cdn.discordapp.com 162.159.133.233, 443, 49745, 49746 CLOUDFLARENETUS United States 7->67 47 C:\Users\user\AppData\...\???????????????.exe, PE32 7->47 dropped 49 C:\Program Files\Common Files\...\svchost.exe, PE32 7->49 dropped 51 C:\...\???????????????.exe:Zone.Identifier, ASCII 7->51 dropped 59 2 other files (1 malicious) 7->59 dropped 83 Creates autostart registry keys with suspicious names 7->83 85 Adds a directory exclusion to Windows Defender 7->85 87 Disables UAC (registry) 7->87 18 ???????????????.exe 7->18         started        23 powershell.exe 25 7->23         started        25 powershell.exe 25 7->25         started        29 7 other processes 7->29 53 C:\Windows\Temp\x5nnfmij.inf, Windows 12->53 dropped 89 System process connects to network (likely due to code injection or exploit) 12->89 69 162.159.134.233, 443, 49749, 49750 CLOUDFLARENETUS United States 14->69 55 C:\Windows\Temp\dzhilvcv.inf, Windows 14->55 dropped 27 cmstp.exe 14->27         started        71 162.159.129.233, 443, 49758, 49759 CLOUDFLARENETUS United States 16->71 57 C:\Windows\Temp\skkdfjvf.inf, Windows 16->57 dropped file5 signatures6 process7 dnsIp8 61 cdn.discordapp.com 18->61 45 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 18->45 dropped 81 Adds a directory exclusion to Windows Defender 18->81 31 AdvancedRun.exe 18->31         started        33 conhost.exe 23->33         started        35 conhost.exe 25->35         started        63 192.168.2.1 unknown unknown 27->63 37 AdvancedRun.exe 29->37         started        39 conhost.exe 29->39         started        41 conhost.exe 29->41         started        43 4 other processes 29->43 file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-10-07 22:59:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:default evasion rat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Drops file in Program Files directory
Checks whether UAC is enabled
Drops startup file
Loads dropped DLL
Windows security modification
Executes dropped EXE
Async RAT payload
Nirsoft
AsyncRat
Modifies Windows Defender Real-time Protection settings
Turns off Windows Defender SpyNet reporting
UAC bypass
Windows security bypass
Malware Config
C2 Extraction:
23.105.131.236:4409
Unpacked files
SH256 hash:
ab199809bf3d853509ba7a0d68899c0681b684db1c460b679f9632ac4c75c94d
MD5 hash:
7af4c312bb2f0284f16f8f43fc1e1375
SHA1 hash:
2b5b327ef6a4910b122d106c664efebbf2517678
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_EXE_DiscordURL
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
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 ab199809bf3d853509ba7a0d68899c0681b684db1c460b679f9632ac4c75c94d

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments