MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 98386b2cb6643d632a2076067cee9d06e7feaef7719984697428f4fe1bbc8be5. 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: 12


Intelligence 12 IOCs 1 YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 98386b2cb6643d632a2076067cee9d06e7feaef7719984697428f4fe1bbc8be5
SHA3-384 hash: c06fa72227f2f3cd5ca7e895dc3e6ad644710b1d386a0d952fc47e2ad79dd8bbc36e74a5d23d9ac412c0ccaee3704b12
SHA1 hash: dbf4c18c4c5a771247a0dc101f567bd958eba867
MD5 hash: 5c88a7b42e9a27c99bd68d8379be1e28
humanhash: johnny-kitten-finch-november
File name:5c88a7b42e9a27c99bd68d8379be1e28
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:532'480 bytes
First seen:2022-04-20 07:25:37 UTC
Last seen:2022-04-20 07:44:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:xFBnEQ3Hr96fmKKHkm2FlQVtNmrNm2Q2883+bGosBtlLKpfI+GNm:x3L96tFAWknKubgtBCfI+H
Threatray 1'430 similar samples on MalwareBazaar
TLSH T197B4D09C326032EFC897D476DE985D78BAA5387B530F9203A017189DAE5C99BCF150F2
TrID 30.2% (.EXE) Win64 Executable (generic) (10523/12/4)
18.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
14.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.9% (.EXE) Win32 Executable (generic) (4505/5/1)
5.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter zbetcheckin
Tags:32 AsyncRAT exe

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
185.140.53.131:7171 https://threatfox.abuse.ch/ioc/461025/

Intelligence

File Origin
# of uploads :
2
# of downloads :
243
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AsyncRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/264823/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.4404.15632.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated packed update.exe
Link:
https://www.filescan.io/uploads/625fb58e482f2f41cad79472/reports/ea250623-1246-45ac-8358-ab3351f59bfe/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/8c79b193-ea18-4845-8b04-14bee90bb2cd
Result
Threat name:
AgentTesla AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/979358
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Bypasses PowerShell execution policy
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 submitted file
PE file contains section with special chars
PE file has nameless sections
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Sigma detected: Suspicious Script Execution From Temp Folder
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 611845 Sample: pDWoQX5MOr Startdate: 20/04/2022 Architecture: WINDOWS Score: 100 109 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->109 111 Malicious sample detected (through community Yara rule) 2->111 113 Multi AV Scanner detection for submitted file 2->113 115 11 other signatures 2->115 14 pDWoQX5MOr.exe 7 2->14         started        process3 file4 93 C:\Users\user\AppData\...\QpfZfsYReUO.exe, PE32 14->93 dropped 95 C:\Users\...\QpfZfsYReUO.exe:Zone.Identifier, ASCII 14->95 dropped 97 C:\Users\user\AppData\Local\...\tmpD7BE.tmp, XML 14->97 dropped 99 C:\Users\user\AppData\...\pDWoQX5MOr.exe.log, ASCII 14->99 dropped 145 Uses schtasks.exe or at.exe to add and modify task schedules 14->145 147 Adds a directory exclusion to Windows Defender 14->147 149 Injects a PE file into a foreign processes 14->149 151 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 14->151 18 pDWoQX5MOr.exe 6 14->18         started        21 powershell.exe 25 14->21         started        23 schtasks.exe 1 14->23         started        25 pDWoQX5MOr.exe 14->25         started        signatures5 process6 file7 87 C:\Users\user\AppData\Roaming\image.exe, PE32 18->87 dropped 27 cmd.exe 1 18->27         started        29 cmd.exe 1 18->29         started        32 conhost.exe 21->32         started        34 conhost.exe 23->34         started        process8 signatures9 36 image.exe 27->36         started        39 conhost.exe 27->39         started        41 timeout.exe 1 27->41         started        141 Suspicious powershell command line found 29->141 143 Bypasses PowerShell execution policy 29->143 43 conhost.exe 29->43         started        45 schtasks.exe 1 29->45         started        process10 signatures11 117 Machine Learning detection for dropped file 36->117 119 Adds a directory exclusion to Windows Defender 36->119 121 Injects a PE file into a foreign processes 36->121 47 image.exe 36->47         started        51 powershell.exe 36->51         started        53 schtasks.exe 36->53         started        55 image.exe 36->55         started        process12 dnsIp13 105 185.140.53.131, 49766, 49779, 49781 DAVID_CRAIGGG Sweden 47->105 107 192.168.2.3, 137, 138, 443 unknown unknown 47->107 85 C:\Users\user\AppData\Local\Temp\dnmssk.exe, PE32 47->85 dropped 57 cmd.exe 47->57         started        60 conhost.exe 51->60         started        62 conhost.exe 53->62         started        file14 process15 signatures16 131 Suspicious powershell command line found 57->131 64 powershell.exe 57->64         started        66 conhost.exe 57->66         started        process17 process18 68 dnmssk.exe 64->68         started        file19 89 C:\Users\user\AppData\...\rmfZVOnKsx.exe, PE32 68->89 dropped 123 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 68->123 125 Machine Learning detection for dropped file 68->125 127 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 68->127 129 2 other signatures 68->129 72 dnmssk.exe 68->72         started        77 powershell.exe 68->77         started        79 schtasks.exe 68->79         started        81 dnmssk.exe 68->81         started        signatures20 process21 dnsIp22 101 istanbulcannakliyat.com 46.31.79.106, 49785, 587 HOSTLABTR Turkey 72->101 103 mail.istanbulcannakliyat.com 72->103 91 C:\Users\user\AppData\Roaming\...\BffcxxI.exe, PE32 72->91 dropped 133 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 72->133 135 Tries to steal Mail credentials (via file / registry access) 72->135 137 Tries to harvest and steal ftp login credentials 72->137 139 2 other signatures 72->139 83 conhost.exe 77->83         started        file23 signatures24 process25
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/98386b2cb6643d632a2076067cee9d06e7feaef7719984697428f4fe1bbc8be5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-20 07:26:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ta4gwlfwmq6wgkraoydhz3u5a3t75lxxogmyi2lufd2p4g54rpsq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
1aed7661a990d34584f7687545b78a8debc0a905e91bdccb9f2160606c1965c4
AsyncRAT
1f9c455e87449a312752b0081f0d37ce4e6564e6c38478cc8469370eb89064d7
AsyncRAT
42b67d0d13679c62c0a0abcf20254af39fa4b4f7965216a12446d6743eaedf40
AsyncRAT
65cec0c5f24c6be7fc9ead8e5b1e232ddd06036bdfe9902ccd7884341ceaeb94
AsyncRAT
82a4e26fbd1dc8cedfdb674b57cb631f75e676dc94a9e676e17a9608a1d7f22c
AsyncRAT
881b1999a1ff73a9b3138edc125cf693b6d0afceee2d082e45165b84d52c4184
AsyncRAT
8a35a3bb04717795ebf8d6c2d3cbcbdfd28edd0597f4e2bd3fc23b4929a86099
AsyncRAT
+ 1'420 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default rat suricata
Link:
https://tria.ge/reports/220420-h9hppshhfp/
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
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Async RAT payload
AsyncRat
suricata: ET MALWARE Generic AsyncRAT Style SSL Cert
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
Malware Config
C2 Extraction:
185.140.53.131:7171
Unpacked files
SH256 hash:
e649e0d6c577aac4d57e7093d75b1dafcbf641f62110d177a9286749846ddc43
MD5 hash:
ecb7908b31c84e773559219d97756922
SHA1 hash:
ec70bff9e7e0f25b35e99a197a493b41b7553022
Link:
https://www.unpac.me/results/9a12400b-e57a-418c-ba39-20a692cc0321/
SH256 hash:
f2ee47cc78f229981f244eefba5ae4347f4a9e4047bc8159e803ce7d57ec69ae
MD5 hash:
578e01c25bc3dd323d1bcc8c0e57ead4
SHA1 hash:
398b80f5ba68e0abb74e161006c5ebe0b52de652
Link:
https://www.unpac.me/results/9a12400b-e57a-418c-ba39-20a692cc0321/
SH256 hash:
4fc4b02facd25a34a45d802c84ec9c1ac9ea56366a2196027238361a2dd7f73e
MD5 hash:
0f784c12d753bec4f72463d957c35f2a
SHA1 hash:
7d55b33caf5c35500df8dc8d595f0faef567e8e0
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/9a12400b-e57a-418c-ba39-20a692cc0321/
Parent samples :
98386b2cb6643d632a2076067cee9d06e7feaef7719984697428f4fe1bbc8be5
35e7644f3ed1443d506d573df87e03d965d234f4ee4a94c3bcdbc5c4580e58b6
SH256 hash:
2f9558722d7b7aa4b635f82e4cca75aec5c6363be0564af7b10135cac4ca5080
MD5 hash:
583cbb4b9477d90c1f2400664d100ae7
SHA1 hash:
ce514c3cc22fac1cfd61f5d521b8d3c16c7b7e24
Link:
https://www.unpac.me/results/9a12400b-e57a-418c-ba39-20a692cc0321/
SH256 hash:
98386b2cb6643d632a2076067cee9d06e7feaef7719984697428f4fe1bbc8be5
MD5 hash:
5c88a7b42e9a27c99bd68d8379be1e28
SHA1 hash:
dbf4c18c4c5a771247a0dc101f567bd958eba867
Link:
https://www.unpac.me/results/9a12400b-e57a-418c-ba39-20a692cc0321/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/98386b2cb6643d632a2076067cee9d06e7feaef7719984697428f4fe1bbc8be5

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
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 98386b2cb6643d632a2076067cee9d06e7feaef7719984697428f4fe1bbc8be5

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2155836/
Cape
Cape
https://www.capesandbox.com/analysis/264823/

Comments


Avatar
zbet commented on 2022-04-20 07:25:39 UTC

url : hxxp://ascaribros.ydns.eu/admin/zas.exe