asyncrat | da58732f8c52ededed023e7d604dd10e295ad436884b990c8f13e6660cc42b5e

Analysis

max time kernel
200s
max time network
209s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241211-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
07-01-2025 19:25

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General

Target

da58732f8c52ededed023e7d604dd10e295ad436884b990c8f13e6660cc42b5e.ps1
Size

264KB
MD5

3fbc9d18f8e94a0b5b1e39134be7c153
SHA1

be9a946fae242ff3b59ed41e0847338dfc90c58f
SHA256

da58732f8c52ededed023e7d604dd10e295ad436884b990c8f13e6660cc42b5e
SHA512

3909f08fed81bf6ff84c30ba531a098829dbc6ff54718abd79bb191e8d00ae7b8fcc2c0717c47bf1f988ac9cb197cd41283d9f8e78a3cbfbbcde68fcc251762a
SSDEEP

1536:AvT4sMnsXsJk+74w76OwXLCqGO7f3XFPzm+efcYqJznK5Fb5uDSPVZrskXUkRhto:ev

Score

10^/10

asyncrat come00001 discovery execution rat

Malware Config

Extracted

Family

asyncrat

Version

| CRACKED BY https://t.me/xworm_v2

Botnet

COME00001

dick2024.ddnsfree.com:6161

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

Signatures

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

Blocklisted process makes network request 2 IoCs

flow	pid	Process
27	4432	powershell.exe
30	4432	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-114766061-2901990051-2372745435-1000\Control Panel\International\Geo\Nation	WScript.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4432	powershell.exe
8	powershell.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
26	ipinfo.io
27	ipinfo.io

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 8 set thread context of 4636	8	powershell.exe	105

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	aspnet_compiler.exe

Kills process with taskkill 10 IoCs

evasion

pid	Process
464	taskkill.exe
4108	taskkill.exe
3124	taskkill.exe
1500	taskkill.exe
3168	taskkill.exe
4492	taskkill.exe
4180	taskkill.exe
2260	taskkill.exe
3116	taskkill.exe
3664	taskkill.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-114766061-2901990051-2372745435-1000_Classes\Local Settings	powershell.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
4432	powershell.exe
4432	powershell.exe
8	powershell.exe
8	powershell.exe
8	powershell.exe
8	powershell.exe
4636	aspnet_compiler.exe

Suspicious use of AdjustPrivilegeToken 34 IoCs

description	pid	Process
Token: SeDebugPrivilege	4432	powershell.exe
Token: SeDebugPrivilege	1500	taskkill.exe
Token: SeDebugPrivilege	464	taskkill.exe
Token: SeDebugPrivilege	3168	taskkill.exe
Token: SeDebugPrivilege	4492	taskkill.exe
Token: SeDebugPrivilege	4108	taskkill.exe
Token: SeDebugPrivilege	4180	taskkill.exe
Token: SeDebugPrivilege	2260	taskkill.exe
Token: SeDebugPrivilege	3116	taskkill.exe
Token: SeDebugPrivilege	3124	taskkill.exe
Token: SeDebugPrivilege	3664	taskkill.exe
Token: SeDebugPrivilege	8	powershell.exe
Token: SeIncreaseQuotaPrivilege	4432	powershell.exe
Token: SeSecurityPrivilege	4432	powershell.exe
Token: SeTakeOwnershipPrivilege	4432	powershell.exe
Token: SeLoadDriverPrivilege	4432	powershell.exe
Token: SeSystemProfilePrivilege	4432	powershell.exe
Token: SeSystemtimePrivilege	4432	powershell.exe
Token: SeProfSingleProcessPrivilege	4432	powershell.exe
Token: SeIncBasePriorityPrivilege	4432	powershell.exe
Token: SeCreatePagefilePrivilege	4432	powershell.exe
Token: SeBackupPrivilege	4432	powershell.exe
Token: SeRestorePrivilege	4432	powershell.exe
Token: SeShutdownPrivilege	4432	powershell.exe
Token: SeDebugPrivilege	4432	powershell.exe
Token: SeSystemEnvironmentPrivilege	4432	powershell.exe
Token: SeRemoteShutdownPrivilege	4432	powershell.exe
Token: SeUndockPrivilege	4432	powershell.exe
Token: SeManageVolumePrivilege	4432	powershell.exe
Token: 33	4432	powershell.exe
Token: 34	4432	powershell.exe
Token: 35	4432	powershell.exe
Token: 36	4432	powershell.exe
Token: SeDebugPrivilege	4636	aspnet_compiler.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4636	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 4432 wrote to memory of 1500	4432	powershell.exe	82
PID 4432 wrote to memory of 1500	4432	powershell.exe	82
PID 4432 wrote to memory of 464	4432	powershell.exe	84
PID 4432 wrote to memory of 464	4432	powershell.exe	84
PID 4432 wrote to memory of 3168	4432	powershell.exe	85
PID 4432 wrote to memory of 3168	4432	powershell.exe	85
PID 4432 wrote to memory of 4492	4432	powershell.exe	87
PID 4432 wrote to memory of 4492	4432	powershell.exe	87
PID 4432 wrote to memory of 4108	4432	powershell.exe	88
PID 4432 wrote to memory of 4108	4432	powershell.exe	88
PID 4432 wrote to memory of 4180	4432	powershell.exe	89
PID 4432 wrote to memory of 4180	4432	powershell.exe	89
PID 4432 wrote to memory of 2260	4432	powershell.exe	90
PID 4432 wrote to memory of 2260	4432	powershell.exe	90
PID 4432 wrote to memory of 3116	4432	powershell.exe	91
PID 4432 wrote to memory of 3116	4432	powershell.exe	91
PID 4432 wrote to memory of 3124	4432	powershell.exe	92
PID 4432 wrote to memory of 3124	4432	powershell.exe	92
PID 4432 wrote to memory of 3664	4432	powershell.exe	93
PID 4432 wrote to memory of 3664	4432	powershell.exe	93
PID 4432 wrote to memory of 2264	4432	powershell.exe	100
PID 4432 wrote to memory of 2264	4432	powershell.exe	100
PID 2264 wrote to memory of 2200	2264	WScript.exe	101
PID 2264 wrote to memory of 2200	2264	WScript.exe	101
PID 2200 wrote to memory of 8	2200	cmd.exe	103
PID 2200 wrote to memory of 8	2200	cmd.exe	103
PID 8 wrote to memory of 5036	8	powershell.exe	104
PID 8 wrote to memory of 5036	8	powershell.exe	104
PID 8 wrote to memory of 5036	8	powershell.exe	104
PID 8 wrote to memory of 4636	8	powershell.exe	105
PID 8 wrote to memory of 4636	8	powershell.exe	105
PID 8 wrote to memory of 4636	8	powershell.exe	105
PID 8 wrote to memory of 4636	8	powershell.exe	105
PID 8 wrote to memory of 4636	8	powershell.exe	105
PID 8 wrote to memory of 4636	8	powershell.exe	105
PID 8 wrote to memory of 4636	8	powershell.exe	105
PID 8 wrote to memory of 4636	8	powershell.exe	105

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\da58732f8c52ededed023e7d604dd10e295ad436884b990c8f13e6660cc42b5e.ps1
1⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4432
- C:\Windows\system32\taskkill.exe
  "C:\Windows\system32\taskkill.exe" /IM CCleanerBrowser.exe /F
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:1500
- C:\Windows\system32\taskkill.exe
  "C:\Windows\system32\taskkill.exe" /IM aspnet_regbrowsers.exe /F
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:464
- C:\Windows\system32\taskkill.exe
  "C:\Windows\system32\taskkill.exe" /IM aspnet_compiler.exe /F
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:3168
- C:\Windows\system32\taskkill.exe
  "C:\Windows\system32\taskkill.exe" /IM AppLaunch.exe /F
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:4492
- C:\Windows\system32\taskkill.exe
  "C:\Windows\system32\taskkill.exe" /IM InstallUtil.exe /F
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:4108
- C:\Windows\system32\taskkill.exe
  "C:\Windows\system32\taskkill.exe" /IM jsc.exe /F
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:4180
- C:\Windows\system32\taskkill.exe
  "C:\Windows\system32\taskkill.exe" /IM MSBuild.exe /F
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:2260
- C:\Windows\system32\taskkill.exe
  "C:\Windows\system32\taskkill.exe" /IM RegAsm.exe /F
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:3116
- C:\Windows\system32\taskkill.exe
  "C:\Windows\system32\taskkill.exe" /IM cvtres.exe /F
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:3124
- C:\Windows\system32\taskkill.exe
  "C:\Windows\system32\taskkill.exe" /IM RegSvcs.exe /F
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:3664
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\ProgramData\WindowsHost\VVHUPYEWODP.vbs"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:2264
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Public\QIJGHURIURNY.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2200
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      PowerShell -NoProfile -ExecutionPolicy Bypass -Command "& 'C:\EHUVGUEHUVGsEHUVGeEHUVGrEHUVGs\PEHUVGuEHUVGbEHUVGlEHUVGiEHUVGc\ORFWDFDJWS.ps1'.replace('EHUVG','')"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:8
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
        5⤵
        
        PID:5036
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:4636

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

Query Registry

T1012

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\WindowsHost\VVHUPYEWODP.vbs

Filesize
203B

MD5
5df4a579cc17f04921e456cb68a3b0c0

SHA1
4e93880c909ea818e360d6424c2e58b63e5db7f4

SHA256
4f43e3cd8e3d7ab2208c6031d60ad443c26978cbf3ebbee6f9b30a368cf70476

SHA512
4f2363c2bb6f34c41ceff62ae0178637a02d6c364728744317f1801b2760b567197e0b82b978887c35c5450f1fe94fbfb67247d7ed5dfe3edabb02658de8681a

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
3KB

MD5
da8edb0f8387d38f5407c0870910646d

SHA1
2d1015f762bbc68de0d6f95d06706eda62d53f36

SHA256
7ae5611076ad876c513086fb7fc01af05fefa1e9bcfcf2ec4d0e8328cf40b25d

SHA512
5206486e14e5a9f1ec181859a8cfd20a7b102851933dde543f15acdb514f427f8dfa2d6703e654207eb4f0ade0e0ff5077ddca5ff7f22ac06a757d8fee7241da

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
2KB

MD5
c84f0a311ef9100c3d7366a06c2b7a46

SHA1
250861fb8f1222913bf551af259b089e19630521

SHA256
177b91a05a5e09b73acef1d7756f265972e04d208bf61b02385f38bed7a221bd

SHA512
4bd81d149b6c418a15a767e3fa58d784f311daf875512213b5353989ecbce1134e52e5d00fb6f58e7d58e372ec7b820b73c9e5e6dc46e38c27e84a2e177da04a

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kzqbuoan.dr4.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Public\ORFWDFDJWS.ps1

Filesize
249KB

MD5
27dc626f052cde7ca5c99e09ba2c3bc5

SHA1
2bc44b1968fe3063310aea0ae3e7f56ccd826b1a

SHA256
6eebe78eaeed5994a575baa50964ee98edc0fbf03f23620aef0d76910754132f

SHA512
18b5cf64f1af721840c2aa09dd3457c5d816881c6522672c9cd33ab4ddf30fb2e51a55400855c251ae23b2aeca4423e52f63dff3647f5fd091e2b97e78167fab

Download Submit
C:\Users\Public\QIJGHURIURNY.bat

Filesize
161B

MD5
1239b4b2502a859c6ece490ba5b5cee2

SHA1
476083fdf24d50b59b9a26b383894ca2f7a6c1f5

SHA256
40780ee72765574aa5c5136ae429a2e951b578345ff0e4e4268e12412970eec2

SHA512
bf631ee1ee611b3c6839cca1b83787b6d3a7504d3ca8939c40084700c5a7ddbce5f9b333aa7b68821326bf65b161935434f694a1a7dd2ef8a66f5d50842af209

Download Submit
memory/8-34-0x0000024B59060000-0x0000024B5907A000-memory.dmp

Filesize
104KB

Download
memory/4432-39-0x0000021065BD0000-0x00000210660F8000-memory.dmp

Filesize
5.2MB

Download
memory/4432-15-0x00007FFECF2A0000-0x00007FFECF596000-memory.dmp

Filesize
3.0MB

Download
memory/4432-11-0x00007FFECF2A0000-0x00007FFECF596000-memory.dmp

Filesize
3.0MB

Download
memory/4432-40-0x0000021065300000-0x000002106532A000-memory.dmp

Filesize
168KB

Download
memory/4432-6-0x0000021064CA0000-0x0000021064CC2000-memory.dmp

Filesize
136KB

Download
memory/4432-41-0x0000021065300000-0x0000021065324000-memory.dmp

Filesize
144KB

Download
memory/4432-0-0x00007FFECF2A0000-0x00007FFECF596000-memory.dmp

Filesize
3.0MB

Download
memory/4432-47-0x00007FFECF2A0000-0x00007FFECF596000-memory.dmp

Filesize
3.0MB

Download
memory/4432-38-0x00000210654D0000-0x0000021065692000-memory.dmp

Filesize
1.8MB

Download
memory/4636-50-0x0000000005890000-0x000000000589A000-memory.dmp

Filesize
40KB

Download
memory/4636-35-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4636-48-0x0000000005C70000-0x0000000006216000-memory.dmp

Filesize
5.6MB

Download
memory/4636-49-0x00000000058A0000-0x0000000005932000-memory.dmp

Filesize
584KB

Download