MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91a48be7e02365650a7ff0440e261a930cf6363953b4add03e96d6030647d017. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91a48be7e02365650a7ff0440e261a930cf6363953b4add03e96d6030647d017
SHA3-384 hash: ff8a18e232030c9e2b24326d6fe38b6e1ac71428273914cec16cf22b15947a5e94ab4bfbc07442379b5db1fa611593a1
SHA1 hash: d32977e534fb8766531a32723735ded16e563b50
MD5 hash: 0c8c694d90bbe4d80ca16bcdaf240268
humanhash: nevada-hydrogen-kansas-xray
File name:0c8c694d90bbe4d80ca16bcdaf240268
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:65'648 bytes
First seen:2022-06-16 07:10:48 UTC
Last seen:2022-06-16 07:52:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 768:1BE/OTYWtcRoJQvbR3xKMnVqWBap/ifNp9E+8iRO:c/OTYY9wbR3xFnxMBmNQ+8iA
TLSH T1225318D6657432A0C6628E3D6582D5309A777E120E30CB4F3CDCBE1737A7FAA9990714
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter zbetcheckin
Tags:32 AsyncRAT exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
240
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
91a48be7e02365650a7ff0440e261a930cf6363953b4add03e96d6030647d017.zip
Verdict:
Malicious activity
Analysis date:
2022-06-16 23:28:25 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/fc14f203-aab3-49da-be37-45a91a9a0271

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/280561/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.31067.18033.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed packed
Link:
https://www.filescan.io/uploads/62aad79ab0582adf05aa6d1f/reports/a2aadda5-7724-4a09-9969-d4cce8f56ebb/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/e9329bde-dae5-4568-9448-d23610337358
Result
Threat name:
AgentTesla, AsyncRAT, DcRat
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1014325
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
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
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: RegAsm connects to smtp port
Suspicious powershell command line found
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected DcRat
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 646821 Sample: 0Rok8PN6nO Startdate: 16/06/2022 Architecture: WINDOWS Score: 100 74 Malicious sample detected (through community Yara rule) 2->74 76 Antivirus detection for URL or domain 2->76 78 Multi AV Scanner detection for submitted file 2->78 80 9 other signatures 2->80 11 0Rok8PN6nO.exe 15 4 2->11         started        process3 dnsIp4 72 gunaymedya.com 89.252.137.131, 49762, 49853, 80 NETINTERNETNetinternetBilisimTeknolojileriASTR Turkey 11->72 60 C:\Users\user\AppData\...\0Rok8PN6nO.exe.log, ASCII 11->60 dropped 110 Writes to foreign memory regions 11->110 112 Injects a PE file into a foreign processes 11->112 16 InstallUtil.exe 3 4 11->16         started        20 cmd.exe 1 11->20         started        23 powershell.exe 14 11->23         started        file5 signatures6 process7 dnsIp8 62 194.5.97.203, 49768, 49770, 49776 DANILENKODE Netherlands 16->62 58 C:\Users\user\AppData\Local\Temp58OTERS.exe, PE32 16->58 dropped 25 cmd.exe 1 16->25         started        82 Suspicious powershell command line found 20->82 84 Bypasses PowerShell execution policy 20->84 28 conhost.exe 20->28         started        30 timeout.exe 1 20->30         started        86 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 23->86 88 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 23->88 32 conhost.exe 23->32         started        file9 signatures10 process11 signatures12 96 Suspicious powershell command line found 25->96 34 powershell.exe 11 25->34         started        36 conhost.exe 25->36         started        process13 process14 38 NOTERS.exe 4 34->38         started        dnsIp15 64 192.168.2.1 unknown unknown 38->64 66 gunaymedya.com 38->66 90 Machine Learning detection for dropped file 38->90 92 Writes to foreign memory regions 38->92 94 Injects a PE file into a foreign processes 38->94 42 RegAsm.exe 38->42         started        46 RegAsm.exe 38->46         started        48 cmd.exe 38->48         started        50 powershell.exe 38->50         started        signatures16 process17 dnsIp18 68 mdr.by 212.98.168.170, 49856, 587 BN-ASBelarussiandatacommunicationserviceproviderBY Belarus 42->68 70 mail.mdr.by 42->70 98 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 42->98 100 Tries to steal Mail credentials (via file / registry access) 42->100 102 Tries to harvest and steal ftp login credentials 42->102 104 Tries to harvest and steal browser information (history, passwords, etc) 42->104 106 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 46->106 108 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 46->108 52 conhost.exe 48->52         started        54 timeout.exe 48->54         started        56 conhost.exe 50->56         started        signatures19 process20
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/91a48be7e02365650a7ff0440e261a930cf6363953b4add03e96d6030647d017/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-16 07:11:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sgsixz7aenswkct76bca4jq2smgpmnrzko2k3ub6s3lagbsh2alq._file
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:asyncrat botnet:venom clients collection keylogger rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220616-hzx2msbac4/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
Async RAT payload
AgentTesla
AsyncRat
suricata: ET MALWARE AgentTesla Exfil Via SMTP
Malware Config
C2 Extraction:
194.5.97.203:7070
Unpacked files
SH256 hash:
91a48be7e02365650a7ff0440e261a930cf6363953b4add03e96d6030647d017
MD5 hash:
0c8c694d90bbe4d80ca16bcdaf240268
SHA1 hash:
d32977e534fb8766531a32723735ded16e563b50
Link:
https://www.unpac.me/results/9db3dd44-1f62-4c80-8836-646ae5d4cfab/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.29
Link:
https://yomi.yoroi.company/submissions/91a48be7e02365650a7ff0440e261a930cf6363953b4add03e96d6030647d017

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_KB_CERT_1f3216f428f850be2c66caa056f6d821
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
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 91a48be7e02365650a7ff0440e261a930cf6363953b4add03e96d6030647d017

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2240022/
Cape
Cape
https://www.capesandbox.com/analysis/280561/

Comments


Avatar
zbet commented on 2022-06-16 07:10:54 UTC

url : hxxp://185.29.10.116/450/vbc.exe