MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c569b5dd76b6c49a985b6f8dc69d4f7f7f5cc4dc301ea7bc0c80a3a63b7bdaf2. 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



Threat unknown


Vendor detections: 6


Intelligence 6 IOCs YARA File information Comments

SHA256 hash: c569b5dd76b6c49a985b6f8dc69d4f7f7f5cc4dc301ea7bc0c80a3a63b7bdaf2
SHA3-384 hash: b11dc56f3ec33a66c36f499aeecf82ad4cc845b7c570eaeeee574d6f715c3583662f642acc4532b4ffc9f5efd3cb3e65
SHA1 hash: a81e91ee3ba4b33d6ff7e14c41b83b9f6a1b4a78
MD5 hash: 901b1e4aea3aab67657476ba5f75c02b
humanhash: harry-florida-autumn-triple
File name:901b1e4aea3aab67657476ba5f75c02b.exe
Download: download sample
File size:1'526'784 bytes
First seen:2020-10-31 06:47:48 UTC
Last seen:2020-10-31 09:00:05 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 12288:jrVn8Hq8/NX+w354Pe6qvpCrP24NkKQEJGt9JmND4OKNjLcPK4lB/gYLNuLv/5:jr
Threatray 124 similar samples on MalwareBazaar
TLSH 2465373D6E5826E76173E635A1E60187FAE825C673781C8B42C33B1C2A4EE063D9735D
Reporter abuse_ch
Tags:exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
143
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
Changing a file
Running batch commands
Creating a process from a recently created file
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Creating a file in the Windows subdirectories
Launching a tool to kill processes
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:
Unknown
Detection:
malicious
Classification:
evad
Score:
84 / 100
Signature
.NET source code contains very large strings
Antivirus detection for dropped file
Detected unpacking (overwrites its own PE header)
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 307844 Sample: JRul4UqGUp.exe Startdate: 31/10/2020 Architecture: WINDOWS Score: 84 53 Multi AV Scanner detection for submitted file 2->53 55 Machine Learning detection for sample 2->55 57 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 2->57 59 .NET source code contains very large strings 2->59 8 cmd.exe 1 2->8         started        10 JRul4UqGUp.exe 1 2->10         started        13 taskkill.exe 1 2->13         started        process3 file4 15 vauioorz.exe 2 8->15         started        18 conhost.exe 8->18         started        51 C:\Users\user\AppData\...\JRul4UqGUp.exe.log, ASCII 10->51 dropped 20 JRul4UqGUp.exe 4 10->20         started        23 conhost.exe 13->23         started        process5 file6 61 Antivirus detection for dropped file 15->61 63 Multi AV Scanner detection for dropped file 15->63 65 Detected unpacking (overwrites its own PE header) 15->65 25 powershell.exe 23 15->25         started        27 powershell.exe 19 15->27         started        29 powershell.exe 15->29         started        33 10 other processes 15->33 49 C:\Windows\Temp\vauioorz.exe, PE32 20->49 dropped 31 cmstp.exe 9 7 20->31         started        signatures7 process8 process9 35 conhost.exe 25->35         started        37 conhost.exe 27->37         started        39 conhost.exe 29->39         started        41 conhost.exe 33->41         started        43 conhost.exe 33->43         started        45 conhost.exe 33->45         started        47 6 other processes 33->47
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Status:
Malicious
First seen:
2020-10-29 02:04:30 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
evasion trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Kills process with taskkill
Suspicious use of SetThreadContext
Executes dropped EXE
Contains code to disable Windows Defender
Modifies Windows Defender Real-time Protection settings
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Executable exe c569b5dd76b6c49a985b6f8dc69d4f7f7f5cc4dc301ea7bc0c80a3a63b7bdaf2

(this sample)

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