MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77cb17ef2f4f282f39838e7430bf040c3356e59ae8f13cbd4e670712e9f44a4e. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 77cb17ef2f4f282f39838e7430bf040c3356e59ae8f13cbd4e670712e9f44a4e
SHA3-384 hash: c7b43d2c3dcd95d6fef93186635cf585cd1c251fb055fa7d3956990a5d66e6a003084d5b301888ef0c5239c742012406
SHA1 hash: ca241492da03a4d86fd43a5a076e22ac6949505c
MD5 hash: 73f075adda1fe81dea4022f4e06fb64a
humanhash: cat-sink-mango-charlie
File name:73f075adda1fe81dea4022f4e06fb64a.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:551'424 bytes
First seen:2022-10-10 07:32:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:JaX8kSXZJS+FTH9+3HI6iR8WnDRzMy6NVD8TS6SJuiRxkorXl:TpfFTdEri9sjS1a5tzl
Threatray 2'664 similar samples on MalwareBazaar
TLSH T14AC42361E6ED8A71F266BAFD0AA0922D100458D4BF1FA758D07803B44F36490FDBD5BB
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)
Reporter abuse_ch
Tags:AsyncRAT exe RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
267
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/318230/
Detection(s):
SecuriteInfo.com.IL.Trojan.MSILZilla.20338.6500.18555.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Running batch commands
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
azorult coinminer packed
Link:
https://www.filescan.io/uploads/6343caae81eef2a234c4ae1b/reports/865f8209-550b-4bf0-8b32-0475ba9e54c2/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/44922a86-cbf4-41c8-b1ed-bfdb5e637378
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1086734
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Encrypted powershell cmdline option found
Found strings related to Crypto-Mining
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Potential dropper URLs found in powershell memory
Protects its processes via BreakOnTermination flag
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Snort IDS alert for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 719291 Sample: 386ebdCXg1.exe Startdate: 10/10/2022 Architecture: WINDOWS Score: 100 102 Snort IDS alert for network traffic 2->102 104 Antivirus / Scanner detection for submitted sample 2->104 106 Multi AV Scanner detection for submitted file 2->106 108 5 other signatures 2->108 10 386ebdCXg1.exe 6 2->10         started        14 System.exe 2->14         started        process3 file4 80 C:\Users\user\AppData\Local\...\Wzhtwkrl.exe, PE32+ 10->80 dropped 82 C:\Users\user\...\PhoenixClientbaluci.exe, PE32+ 10->82 dropped 84 C:\Users\user\AppData\...\386ebdCXg1.exe.log, CSV 10->84 dropped 110 Encrypted powershell cmdline option found 10->110 16 PhoenixClientbaluci.exe 8 10->16         started        20 Wzhtwkrl.exe 2 10->20         started        22 powershell.exe 20 10->22         started        112 Antivirus detection for dropped file 14->112 114 Multi AV Scanner detection for dropped file 14->114 116 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 14->116 118 2 other signatures 14->118 24 cmd.exe 14->24         started        signatures5 process6 file7 78 C:\Users\user\AppData\Roaming\...\System.exe, PE32+ 16->78 dropped 88 Antivirus detection for dropped file 16->88 90 Multi AV Scanner detection for dropped file 16->90 92 Protects its processes via BreakOnTermination flag 16->92 26 cmd.exe 16->26         started        28 cmd.exe 1 16->28         started        31 cmd.exe 16->31         started        94 Machine Learning detection for dropped file 20->94 96 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 20->96 98 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 20->98 33 conhost.exe 22->33         started        100 Adds a directory exclusion to Windows Defender 24->100 35 conhost.exe 24->35         started        37 powershell.exe 24->37         started        39 powershell.exe 24->39         started        41 2 other processes 24->41 signatures8 process9 signatures10 43 System.exe 26->43         started        47 conhost.exe 26->47         started        49 timeout.exe 26->49         started        120 Uses schtasks.exe or at.exe to add and modify task schedules 28->120 122 Adds a directory exclusion to Windows Defender 28->122 51 powershell.exe 19 28->51         started        53 powershell.exe 17 28->53         started        55 conhost.exe 28->55         started        61 2 other processes 28->61 57 conhost.exe 31->57         started        59 schtasks.exe 31->59         started        process11 dnsIp12 86 185.248.140.146, 49701, 6666 ACCELERATED-ITDE Germany 43->86 124 Protects its processes via BreakOnTermination flag 43->124 126 Adds a directory exclusion to Windows Defender 43->126 63 cmd.exe 43->63         started        66 powershell.exe 43->66         started        signatures13 process14 signatures15 128 Adds a directory exclusion to Windows Defender 63->128 68 conhost.exe 63->68         started        70 powershell.exe 63->70         started        72 powershell.exe 63->72         started        76 2 other processes 63->76 74 conhost.exe 66->74         started        process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/77cb17ef2f4f282f39838e7430bf040c3356e59ae8f13cbd4e670712e9f44a4e/
Threat name:
ByteCode-MSIL.Dropper.Dapato
Create hunting rule
Status:
Malicious
First seen:
2022-10-05 22:10:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
24 of 26 (92.31%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o7frp3zpj4uc6omdrz2dbpyebqzvnzm25dytzpkom4drf2pujjha._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
0b78f5959adf40ff9b78d4583df8bcb8099e5257342809f6f6f24ec571810321
AsyncRAT
0eb58b723318b8746280abd3d278a6325deba933c67d41cf638aa89244d6c3c7
AsyncRAT
25c62b72f0555d7ebf9397ec0c8d124942be1b4cedd6848c0c0a8f4a63dc7741
AsyncRAT
4ff17757e7b6d0d9abea660efaf9efeb28ee85f5d2841fe27321588dc74a7e69
AsyncRAT
8520356646a9f8421e70e5c49a30630e9fc7db344adbd8f9e66ff9746273ce73
AsyncRAT
8a63134b33062c4634272b96c12d130f3abe74270f958ac03049eaae8bb66de4
AsyncRAT
a270de65a465e6d5a2cf982ef073c91485a12de0bc2b76118e9c4077daf1217e
AsyncRAT
a72a4e1444e8a68185d3dd2fd9d47d3507976616f44aeb46c4b9384134a11fb0
AsyncRAT
e6d52698d201c0e3dc8a52d6694ecf314a08a5bbc61170dce932a4d9762118e4
AsyncRAT
+ 2'654 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat collection rat spyware stealer
Link:
https://tria.ge/reports/221010-jdh62abad8/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Accesses Microsoft Outlook profiles
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Async RAT payload
AsyncRat
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5349d036-a351-4088-91d0-f2eb83db0297
Unpacked files
SH256 hash:
77cb17ef2f4f282f39838e7430bf040c3356e59ae8f13cbd4e670712e9f44a4e
MD5 hash:
73f075adda1fe81dea4022f4e06fb64a
SHA1 hash:
ca241492da03a4d86fd43a5a076e22ac6949505c
Link:
https://www.unpac.me/results/b78771f0-adc1-4e58-8ed6-0ba3442bc821/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/77cb17ef2f4f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/77cb17ef2f4f282f39838e7430bf040c3356e59ae8f13cbd4e670712e9f44a4e

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.

Cape
Cape
https://www.capesandbox.com/analysis/318230/

Comments