asyncrat | 090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0

Analysis

max time kernel
148s
max time network
153s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
01/08/2026, 16:51

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General

Target
090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
Size 45KB
Sample260801-vcwaradm51
SHA256 090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0
MD5 c9a0ce9a72b1a74261ad2536b29c5a1e
SHA1 b4cc255b88ebd8bce3b1b1046f467cdd472a9784
SHA512 dc14b90072ee1573a377063acd877ee5bcdafde25821619ff19cbe3dbe8153f17c9e0057b43ab680247aadbd1d6f17bb7db25970cf5650787c3bce0caee4648f
SSDEEP 768:RuxkJTVmU5EkWUGMKSmo2q1aqJaxjwHuPIPzjbMgEq3iTMAOsE8USYBDZcx:RuxkJTgip2f3+3P3bDEqSTRUSedcx
TLSH
T1DD233B003BE9822BF2BE5FB458F26105857EF1676603D54D2CC452DB5623FC68A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default command_and_control defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

vnsextop1.com:80
vnsextop1.com:22
vnsextop1.com:8080
vnsextop1.com:8880
vnsextop1.com:2052
vnsextop1.com:2082
vnsextop1.com:2086
vnsextop1.com:2095
vnsextop1.com:443
vnsextop1.com:2053
vnsextop1.com:2083
vnsextop1.com:2087
vnsextop1.com:2096
vnsextop1.com:8443
www.vnsextop1.com:80
www.vnsextop1.com:22
www.vnsextop1.com:8080
www.vnsextop1.com:8880
www.vnsextop1.com:2052
www.vnsextop1.com:2082
www.vnsextop1.com:2086
www.vnsextop1.com:2095
www.vnsextop1.com:443
www.vnsextop1.com:2053
www.vnsextop1.com:2083
www.vnsextop1.com:2087
www.vnsextop1.com:2096
www.vnsextop1.com:8443
remcos.vnsextop1.com:80
remcos.vnsextop1.com:22
remcos.vnsextop1.com:8080
remcos.vnsextop1.com:8880
remcos.vnsextop1.com:2052
remcos.vnsextop1.com:2082
remcos.vnsextop1.com:2086
remcos.vnsextop1.com:2095
remcos.vnsextop1.com:443
remcos.vnsextop1.com:2053
remcos.vnsextop1.com:2083
remcos.vnsextop1.com:2087
remcos.vnsextop1.com:2096
remcos.vnsextop1.com:8443
industroyer.vnsextop1.com:80
industroyer.vnsextop1.com:22
industroyer.vnsextop1.com:8080
industroyer.vnsextop1.com:8880
industroyer.vnsextop1.com:2052
industroyer.vnsextop1.com:2082
industroyer.vnsextop1.com:2086
industroyer.vnsextop1.com:2095
industroyer.vnsextop1.com:443
industroyer.vnsextop1.com:2053
industroyer.vnsextop1.com:2083
industroyer.vnsextop1.com:2087
industroyer.vnsextop1.com:2096
industroyer.vnsextop1.com:8443

Mutex

ebFMAXAGtWr0

Attributes

delay
0
install
true
install_file
g581srvh.exe
install_folder
%AppData%

aes.plain

Signatures

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

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral2/files/0x00030000000170cb-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4720	g581srvh.exe
2448	g581srvh.exe

Outbound SSH connection to public host 2 TTPs 2 IoCs

SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

command_and_control

Protocol Tunneling

T1572

Network Service Discovery

T1046

description	flow	ioc
SSH destination	12	185.100.234.69:22
SSH destination	19	185.100.234.69:22

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

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 2 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
3400	cmd.exe
4332	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 7 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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	g581srvh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	g581srvh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2684	timeout.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3356	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
Token: SeDebugPrivilege	4720	g581srvh.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3184 wrote to memory of 3400	3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe	89
PID 3184 wrote to memory of 4332	3184	090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe	91
PID 3400 wrote to memory of 3356	3400	cmd.exe	93
PID 4332 wrote to memory of 2684	4332	cmd.exe	94
PID 4332 wrote to memory of 2448	4332	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe
"C:\Users\Admin\AppData\Local\Temp\090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3184
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "g581srvh" /tr '"C:\Users\Admin\AppData\Roaming\g581srvh.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3400
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "g581srvh" /tr '"C:\Users\Admin\AppData\Roaming\g581srvh.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3356
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpB8F.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4332
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2684
- - C:\Users\Admin\AppData\Roaming\g581srvh.exe
    "C:\Users\Admin\AppData\Roaming\g581srvh.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2448

C:\Users\Admin\AppData\Roaming\g581srvh.exe
"C:\Users\Admin\AppData\Roaming\g581srvh.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4720

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Protocol Tunneling

T1572

Exfiltration

Impact

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Downloads

tmpB8F.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpB8F.tmp.bat
Size 151B
SHA256 debb8388f2ab5d4198b538db5dcfce7590e1ea7ffa450d4f4db015420637af96
MD5 26b45da84f26cdb27941fdac1e3c154f
SHA1 b40729770430d2ab005172da748d548fa68eae38
SHA512 9a4342755b48a6fed0b4b554d1ebd9ca44ea0e2623e0ac54debf4516e4f418aa7bb34f275526e8e2910c8f4536c7ebafc0bb4c265ab5a3704e7584f834da3f6b
TLSH
T16AC02B93A1C5FA5F2C0914B306FBD5AD917B6C193F84BF20D754808D328084AF0D9342
MD5 SHA1 SHA512 TLSH

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g581srvh.exe

Path C:\Users\Admin\AppData\Roaming\g581srvh.exe
Size 45KB
SHA256 090b60efee32ef3bfcd2ee64121d8a7664e8ebb51cd33ed7b8f13a9bb550d0f0
MD5 c9a0ce9a72b1a74261ad2536b29c5a1e
SHA1 b4cc255b88ebd8bce3b1b1046f467cdd472a9784
SHA512 dc14b90072ee1573a377063acd877ee5bcdafde25821619ff19cbe3dbe8153f17c9e0057b43ab680247aadbd1d6f17bb7db25970cf5650787c3bce0caee4648f
SSDEEP 768:RuxkJTVmU5EkWUGMKSmo2q1aqJaxjwHuPIPzjbMgEq3iTMAOsE8USYBDZcx:RuxkJTgip2f3+3P3bDEqSTRUSedcx
TLSH
T1DD233B003BE9822BF2BE5FB458F26105857EF1676603D54D2CC452DB5623FC68A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3184-0-0x00000000750A2000-0x00000000750A3000-memory.dmp

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memory/3184-1-0x0000000000BC0000-0x0000000000BD2000-memory.dmp

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memory/3184-2-0x0000000075090000-0x000000007584C000-memory.dmp

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memory/3184-3-0x00000000056B0000-0x000000000574C000-memory.dmp

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memory/3184-9-0x0000000075090000-0x000000007584C000-memory.dmp

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memory/4720-12-0x0000000075090000-0x000000007584C000-memory.dmp

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memory/4720-14-0x0000000075090000-0x000000007584C000-memory.dmp

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