asyncrat | 3c9bf0c7215cf48ec6dee4d5453335dee2fc40b629f30fe19e8433099dc793f2

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13/03/2024, 09:06

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General

Target
13032024_1705_update.ps1
Size 13.0MB
Sample240313-k2thcahd8v
SHA256 3c9bf0c7215cf48ec6dee4d5453335dee2fc40b629f30fe19e8433099dc793f2
MD5 ffb99e756878951810566df652349d8f
SHA1 bc651703216d0e6bf1d13e3c8387defebfadc00c
SHA512 3bb146d8ba6b0f20522d0fb6acc95db4bb417388f8ee420eeee934006cf2903a46ac59c62386cd1dbf6f0bc12e6b18836c2e5d590470b70b505acd669e148952
SSDEEP 24576:rsbvdH27nGZlkWYoaFyTQ+rByBDGj8tbW2XfFBdg/qf35jeAwXsxMijIvqcEfxhU:PjxLsoaw0De0tdrL3nF4sEz8bXX
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

asyncrat venom clients rat

Malware Config

Extracted

Family

asyncrat

Version

5.0.5

Botnet

Venom Clients

154.30.255.175:8890

Mutex

Venom_RAT_HVNC_Mutex_Venom RAT_HVNC

Attributes

delay
1
install
false
install_folder
%AppData%

aes.plain

Signatures

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

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 4152 created 3360	4152	powershell.exe	57

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/3484-18-0x0000019CF7D90000-0x0000019CF7DA6000-memory.dmp	family_asyncrat

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4152	powershell.exe
4152	powershell.exe
4152	powershell.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs

pid	Process
4152	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4152	powershell.exe
Token: SeDebugPrivilege	3484	notepad.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102
PID 4152 wrote to memory of 3484	4152	powershell.exe	102

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3360
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\13032024_1705_update.ps1
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4152
- C:\Windows\System32\notepad.exe
  C:\Windows\System32\notepad.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3484

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

__PSScriptPolicyTest_d22ifjqx.lf5.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_d22ifjqx.lf5.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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memory/3484-20-0x0000019CF7E80000-0x0000019CF7E90000-memory.dmp

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memory/3484-36-0x00007FFCED870000-0x00007FFCEDA65000-memory.dmp

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memory/3484-35-0x0000019CF7E80000-0x0000019CF7E90000-memory.dmp

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memory/3484-34-0x0000019CF7E80000-0x0000019CF7E90000-memory.dmp

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memory/3484-33-0x0000019CF7E80000-0x0000019CF7E90000-memory.dmp

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memory/3484-32-0x00007FFCCF980000-0x00007FFCD0441000-memory.dmp

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memory/3484-29-0x00007FFCED870000-0x00007FFCEDA65000-memory.dmp

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memory/3484-16-0x0000019CF6250000-0x0000019CF6266000-memory.dmp

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memory/3484-17-0x00007FFCCF980000-0x00007FFCD0441000-memory.dmp

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memory/3484-18-0x0000019CF7D90000-0x0000019CF7DA6000-memory.dmp

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memory/3484-21-0x0000019CF7E80000-0x0000019CF7E90000-memory.dmp

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memory/4152-14-0x000001F490240000-0x000001F49029B000-memory.dmp

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memory/4152-19-0x00007FFCCF980000-0x00007FFCD0441000-memory.dmp

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memory/4152-22-0x000001F4F8E90000-0x000001F4F8EA0000-memory.dmp

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memory/4152-23-0x000001F4F8E90000-0x000001F4F8EA0000-memory.dmp

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memory/4152-24-0x000001F4F8E90000-0x000001F4F8EA0000-memory.dmp

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memory/4152-27-0x000001F490300000-0x000001F49035B000-memory.dmp

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memory/4152-28-0x00007FFCCF980000-0x00007FFCD0441000-memory.dmp

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memory/4152-15-0x000001F490300000-0x000001F49035B000-memory.dmp

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memory/4152-13-0x000001F4F8E90000-0x000001F4F8EA0000-memory.dmp

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memory/4152-12-0x000001F4F8E90000-0x000001F4F8EA0000-memory.dmp

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memory/4152-11-0x000001F4F8E90000-0x000001F4F8EA0000-memory.dmp

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memory/4152-10-0x00007FFCCF980000-0x00007FFCD0441000-memory.dmp

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memory/4152-9-0x000001F4F9780000-0x000001F4F97A2000-memory.dmp

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