Analysis
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max time kernel
114s -
max time network
121s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
23-11-2024 02:00
General
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Target
7981642e3e60c849153b12c488b7589a07f590781d5b2cf209474fdd370d63a2.exe
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Size
365KB
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MD5
181069ef56a26e9996d2bdcd7264b103
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SHA1
dd56a9675cc074fe2022bd94562e9ddc3e172659
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SHA256
7981642e3e60c849153b12c488b7589a07f590781d5b2cf209474fdd370d63a2
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SHA512
17d96e01880bb8a361f64502e5f20e80ccc8f41c31ec20d80aa57bbd7ea9bad6bebdf035a6f45ac0efc104cf6f12e47058f83d836b3b9a735e2536114a367e51
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SSDEEP
6144:beQ8CfYK6Uqd2GhNPwT2NE6UVKbM0I28VHbWpXqX1vST01i:beQjY3Ui2iNYTQE6UYbMRZbv0yi
Malware Config
Extracted
asyncrat
0.5.7B
Default
194.5.97.229:1195
AsyncMutex_6SI8OkPnk
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delay
3
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install
false
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install_folder
%AppData%
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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Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Looks for VMWare Tools registry key 2 TTPs 1 IoCs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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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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Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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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 4 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 14 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\7981642e3e60c849153b12c488b7589a07f590781d5b2cf209474fdd370d63a2.exe"C:\Users\Admin\AppData\Local\Temp\7981642e3e60c849153b12c488b7589a07f590781d5b2cf209474fdd370d63a2.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\7981642e3e60c849153b12c488b7589a07f590781d5b2cf209474fdd370d63a2.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dfBzkZXed" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2074.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Local\Temp\7981642e3e60c849153b12c488b7589a07f590781d5b2cf209474fdd370d63a2.exe"C:\Users\Admin\AppData\Local\Temp\7981642e3e60c849153b12c488b7589a07f590781d5b2cf209474fdd370d63a2.exe"2⤵
- System Location Discovery: System Language Discovery
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
6.5MB
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Filesize
652KB
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Filesize
7.7MB
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Filesize
32KB
-
Filesize
104KB
-
Filesize
80KB
-
Filesize
68KB
-
Filesize
600KB
-
Filesize
40KB
-
Filesize
104KB
-
Filesize
120KB
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Filesize
216KB
-
Filesize
7.7MB
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Filesize
6.2MB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
136KB
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Filesize
3.3MB
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Filesize
304KB
-
Filesize
56KB
-
Filesize
408KB
-
Filesize
200KB
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Filesize
120KB
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Filesize
304KB
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Filesize
7.7MB
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Filesize
7.7MB
-
Filesize
72KB
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Filesize
408KB
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Filesize
5.6MB
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Filesize
4KB
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Filesize
7.7MB
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Filesize
4KB
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Filesize
7.7MB
-
Filesize
208KB
-
Filesize
392KB
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Filesize
56KB
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Filesize
7.7MB
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Filesize
40KB
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Filesize
584KB
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Filesize
624KB