asyncrat | 1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d

Analysis

max time kernel
148s
max time network
145s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
19/09/2026, 17:51

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General

Target
1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe
Size 45KB
Sample260919-wfmnfsthjd
SHA256 1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d
MD5 d61919f9bead063cdfac2893b5c0a271
SHA1 b48d7a184b87b8b66430db1b7e830abada81aea0
SHA512 bfb6b67622c2b9f3ee4b4c5d0844941c1b335864032ad4e49489d4fdfdddba8437e1792170564a09c769a63205cc544c7bef9e1f7d3114be9dc9ddc8c1416d3c
SSDEEP 768:0uPrpT/LGKeWUszuAmo2q9PozHy3CKPI2ljbygX3iWsfUNKrW1BDZ8x:0uPrpT/qY2RrR2tb1XSBuKrWbd8x
TLSH
T15D232B003BE9C12BF2BF5F789DF26145467AF6633A03D6491CC4119B5613FC68A42AFA
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
trisis.vnsextop1.com:80
trisis.vnsextop1.com:22
trisis.vnsextop1.com:8080
trisis.vnsextop1.com:8880
trisis.vnsextop1.com:2052
trisis.vnsextop1.com:2082
trisis.vnsextop1.com:2086
trisis.vnsextop1.com:2095
trisis.vnsextop1.com:443
trisis.vnsextop1.com:2053
trisis.vnsextop1.com:2083
trisis.vnsextop1.com:2087
trisis.vnsextop1.com:2096
trisis.vnsextop1.com:8443
nimda.vnsextop1.com:80
nimda.vnsextop1.com:22
nimda.vnsextop1.com:8080
nimda.vnsextop1.com:8880
nimda.vnsextop1.com:2052
nimda.vnsextop1.com:2082
nimda.vnsextop1.com:2086
nimda.vnsextop1.com:2095
nimda.vnsextop1.com:443
nimda.vnsextop1.com:2053
nimda.vnsextop1.com:2083
nimda.vnsextop1.com:2087
nimda.vnsextop1.com:2096
nimda.vnsextop1.com:8443
malware.vnsextop1.com:80
malware.vnsextop1.com:22
malware.vnsextop1.com:8080
malware.vnsextop1.com:8880
malware.vnsextop1.com:2052
malware.vnsextop1.com:2082
malware.vnsextop1.com:2086
malware.vnsextop1.com:2095
malware.vnsextop1.com:443
malware.vnsextop1.com:2053
malware.vnsextop1.com:2083
malware.vnsextop1.com:2087
malware.vnsextop1.com:2096
malware.vnsextop1.com:8443

Mutex

4nv9UD7NV6p6

Attributes

delay
0
install
true
install_file
vu31ptc.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/0x000e00000001c4f4-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2572	vu31ptc.exe
3068	vu31ptc.exe

Outbound SSH connection to public host 2 TTPs 4 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	6	104.18.30.167:22
SSH destination	7	104.18.31.167:22
SSH destination	9	104.18.30.167:22
SSH destination	10	104.18.31.167:22

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
3548	cmd.exe
1452	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	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vu31ptc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vu31ptc.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
5928	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
6028	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe
4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe
4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe
4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe
4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe
4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe
4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe
4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe
4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe
4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe
4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe
4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe
4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe
4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe
4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe
4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe
4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe
4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe
4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe
4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe
4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe
4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe
4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe
4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe
4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe
4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe
4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe
4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe
4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe
4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe
4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe
Token: SeDebugPrivilege	2572	vu31ptc.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4536 wrote to memory of 3548	4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe	90
PID 4536 wrote to memory of 1452	4536	1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe	91
PID 3548 wrote to memory of 6028	3548	cmd.exe	94
PID 1452 wrote to memory of 5928	1452	cmd.exe	95
PID 1452 wrote to memory of 3068	1452	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe
"C:\Users\Admin\AppData\Local\Temp\1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4536
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "vu31ptc" /tr '"C:\Users\Admin\AppData\Roaming\vu31ptc.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3548
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "vu31ptc" /tr '"C:\Users\Admin\AppData\Roaming\vu31ptc.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:6028
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4339.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1452
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5928
- - C:\Users\Admin\AppData\Roaming\vu31ptc.exe
    "C:\Users\Admin\AppData\Roaming\vu31ptc.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3068

C:\Users\Admin\AppData\Roaming\vu31ptc.exe
"C:\Users\Admin\AppData\Roaming\vu31ptc.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2572

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

tmp4339.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp4339.tmp.bat
Size 151B
SHA256 86b5b33919743ab97aec1aed0e5f0b2db52e6aac371282c166cf6e231804d864
MD5 f2f61743c820d69185c691c2e926e03e
SHA1 c7aa3c0128e97a957bca7a7d122c0af843c4ba29
SHA512 b4367128ca6e50975e6431c8391c1c2ccd31a4f233085bbbd5711d3ac331208f5f5d7fd12e15b5d2d0560c04686da33c721233532bd5d23be1496ff863d38f27
TLSH
T151C08C8251CBEA4E7805349302BA948C9162A8293E40BB00830840491280548E09A341
MD5 SHA1 SHA512 TLSH

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vu31ptc.exe

Path C:\Users\Admin\AppData\Roaming\vu31ptc.exe
Size 45KB
SHA256 1dae43558ae6d33f3170b74db3df823aa6dbd04a1c6eb8cc8f812c8fb9e54b2d
MD5 d61919f9bead063cdfac2893b5c0a271
SHA1 b48d7a184b87b8b66430db1b7e830abada81aea0
SHA512 bfb6b67622c2b9f3ee4b4c5d0844941c1b335864032ad4e49489d4fdfdddba8437e1792170564a09c769a63205cc544c7bef9e1f7d3114be9dc9ddc8c1416d3c
SSDEEP 768:0uPrpT/LGKeWUszuAmo2q9PozHy3CKPI2ljbygX3iWsfUNKrW1BDZ8x:0uPrpT/qY2RrR2tb1XSBuKrWbd8x
TLSH
T15D232B003BE9C12BF2BF5F789DF26145467AF6633A03D6491CC4119B5613FC68A42AFA
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2572-12-0x0000000074260000-0x0000000074A1C000-memory.dmp

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memory/2572-14-0x0000000074260000-0x0000000074A1C000-memory.dmp

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memory/4536-0-0x00000000743E2000-0x00000000743E3000-memory.dmp

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memory/4536-1-0x0000000000AC0000-0x0000000000AD2000-memory.dmp

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memory/4536-2-0x00000000743D0000-0x0000000074B8C000-memory.dmp

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memory/4536-3-0x00000000055C0000-0x000000000565C000-memory.dmp

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memory/4536-8-0x00000000743D0000-0x0000000074B8C000-memory.dmp

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