Analysis
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max time kernel
40s -
max time network
41s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
07-12-2024 07:02
General
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Target
Api-Updater.exe
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Size
211KB
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MD5
c0094906b0e860b9df8aff26b335c308
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SHA1
45e1941e2e0bb66b3701be26a8652c84604bfb7d
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SHA256
71c71f532a866536e7adb19d12996c2d088d38377b53d5cce792b6d416fee4a1
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SHA512
2af5f9d5535488b30ca51a9d01f4ef765c0be33075f2b6312c740c60de2746347ab7a6fc12f39f4dfc1594879d08298f6a9ea7d57740fc1738f426c36b03f855
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SSDEEP
3072:xejqKOjH8TJ1P/4a+YKngaulnClmWVw1n3JDcv9ANoGCrI/dSEj7ObfREj8blPsg:xyOj234EFd3iLbmSy7OLREQblP
Malware Config
Signatures
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AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
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Asyncrat family
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Async RAT payload 2 IoCs
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Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Adds Run key to start application 2 TTPs 1 IoCs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
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Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 41 IoCs
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Suspicious use of AdjustPrivilegeToken 7 IoCs
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Suspicious use of FindShellTrayWindow 45 IoCs
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Suspicious use of SendNotifyMessage 45 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
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Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\Api-Updater.exe"C:\Users\Admin\AppData\Local\Temp\Api-Updater.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Api-Updater.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Api-Updater.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\Api-Updater.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /sc minute /mo 1 /rl highest /tn "Api-Updater" /tr "C:\ProgramData\Api-Updater.exe"2⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /41⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
944B
MD56d3e9c29fe44e90aae6ed30ccf799ca8
SHA1c7974ef72264bbdf13a2793ccf1aed11bc565dce
SHA2562360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d
SHA51260c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a
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Filesize
944B
MD5ba169f4dcbbf147fe78ef0061a95e83b
SHA192a571a6eef49fff666e0f62a3545bcd1cdcda67
SHA2565ef1421e19fde4bc03cd825dd7d6c0e7863f85fd8f0aa4a4d4f8d555dc7606d1
SHA5128d2e5e552210dcda684682538bc964fdd8a8ff5b24cc2cc8af813729f0202191f98eb42d38d2355df17ae620fe401aad6ceaedaed3b112fdacd32485a3a0c07c
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
216KB
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Filesize
200KB
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Filesize
8KB
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Filesize
120KB
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Filesize
64KB
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Filesize
472KB
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Filesize
240KB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
136KB
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Filesize
10.8MB
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Filesize
10.8MB