asyncrat | 04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9

Analysis

max time kernel
148s
max time network
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
17/08/2026, 14:53

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General

Target
04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe
Size 45KB
Sample260817-r9rr2stthx
SHA256 04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9
MD5 74c01d8d2d4f237c2b13432f8531b505
SHA1 45487291b62695fbe9a57ef65444ceebaaa7aaf5
SHA512 c4cbe55ee6ea20000fa381d75eaf02c427c356b4b00583873e8da003bfa158862f8c172fe289027b2e4aab016a2448ede68db4b24c9b30c87d3a086ecc81fa00
SSDEEP 768:cuq04JTLcsP8EWUmOTymo2qA/BjusyQowsPIWzjbvgX3hpVMUJsAOeBDZUx:cuqNJTLr62PBjuxZwRW3bYXRpGcOwdUx
TLSH
T104232A003BE8812BF2BE4FB898F26145867AF6636603E5491CC451DB5613FC6DA426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

e.streamforester.name:80
e.streamforester.name:22
e.streamforester.name:8080
e.streamforester.name:8880
e.streamforester.name:2052
e.streamforester.name:2082
e.streamforester.name:2086
e.streamforester.name:2095
e.streamforester.name:443
e.streamforester.name:2053
e.streamforester.name:2083
e.streamforester.name:2087
e.streamforester.name:2096
e.streamforester.name:8443
www.e.streamforester.name:80
www.e.streamforester.name:22
www.e.streamforester.name:8080
www.e.streamforester.name:8880
www.e.streamforester.name:2052
www.e.streamforester.name:2082
www.e.streamforester.name:2086
www.e.streamforester.name:2095
www.e.streamforester.name:443
www.e.streamforester.name:2053
www.e.streamforester.name:2083
www.e.streamforester.name:2087
www.e.streamforester.name:2096
www.e.streamforester.name:8443
mirai.e.streamforester.name:80
mirai.e.streamforester.name:22
mirai.e.streamforester.name:8080
mirai.e.streamforester.name:8880
mirai.e.streamforester.name:2052
mirai.e.streamforester.name:2082
mirai.e.streamforester.name:2086
mirai.e.streamforester.name:2095
mirai.e.streamforester.name:443
mirai.e.streamforester.name:2053
mirai.e.streamforester.name:2083
mirai.e.streamforester.name:2087
mirai.e.streamforester.name:2096
mirai.e.streamforester.name:8443
conti.e.streamforester.name:80
conti.e.streamforester.name:22
conti.e.streamforester.name:8080
conti.e.streamforester.name:8880
conti.e.streamforester.name:2052
conti.e.streamforester.name:2082
conti.e.streamforester.name:2086
conti.e.streamforester.name:2095
conti.e.streamforester.name:443
conti.e.streamforester.name:2053
conti.e.streamforester.name:2083
conti.e.streamforester.name:2087
conti.e.streamforester.name:2096
conti.e.streamforester.name:8443
trisis.e.streamforester.name:80
trisis.e.streamforester.name:22
trisis.e.streamforester.name:8080
trisis.e.streamforester.name:8880
trisis.e.streamforester.name:2052
trisis.e.streamforester.name:2082
trisis.e.streamforester.name:2086
trisis.e.streamforester.name:2095
trisis.e.streamforester.name:443
trisis.e.streamforester.name:2053
trisis.e.streamforester.name:2083
trisis.e.streamforester.name:2087
trisis.e.streamforester.name:2096
trisis.e.streamforester.name:8443

Mutex

SUouU3dgVmf6

Attributes

delay
0
install
true
install_file
wi4s.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/0x000c00000001c57a-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2456	wi4s.exe
2116	wi4s.exe

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
2448	cmd.exe
5716	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	wi4s.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wi4s.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.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
5092	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
4960	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe
5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe
5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe
5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe
5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe
5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe
5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe
5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe
5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe
5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe
5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe
5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe
5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe
5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe
5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe
5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe
5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe
5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe
5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe
5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe
5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe
5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe
5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe
5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe
5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe
5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe
5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe
5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe
5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe
5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe
5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5112 wrote to memory of 2448	5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe	89
PID 5112 wrote to memory of 5716	5112	04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe	91
PID 2448 wrote to memory of 4960	2448	cmd.exe	93
PID 5716 wrote to memory of 5092	5716	cmd.exe	94
PID 5716 wrote to memory of 2116	5716	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe
"C:\Users\Admin\AppData\Local\Temp\04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5112
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "wi4s" /tr '"C:\Users\Admin\AppData\Roaming\wi4s.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2448
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "wi4s" /tr '"C:\Users\Admin\AppData\Roaming\wi4s.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4960
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp49B1.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5716
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5092
- - C:\Users\Admin\AppData\Roaming\wi4s.exe
    "C:\Users\Admin\AppData\Roaming\wi4s.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2116

C:\Users\Admin\AppData\Roaming\wi4s.exe
"C:\Users\Admin\AppData\Roaming\wi4s.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2456

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tmp49B1.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp49B1.tmp.bat
Size 148B
SHA256 b55592ab3a3c357e6915c6240404f8678a27c67e145406c572b6d69db1a0ba9b
MD5 81cb4bc4faf632ad662ffcf767309907
SHA1 346a7263dc4a1ce71e84bf109e5ca34a18b8e16e
SHA512 0b01cf7f1284d5ba8acd403582c197e16a9b37ed03c1ea6001d82a849ec7837d975878df1e123e07ac4a1cf1f525b6f43b97c61f283d593003f1bf1d0996192f
TLSH
T1BEC02B4251C9EE0F280624A312FBD58C9172AC1D3F40BB50DB04444D1280448F4ED346
MD5 SHA1 SHA512 TLSH

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wi4s.exe

Path C:\Users\Admin\AppData\Roaming\wi4s.exe
Size 45KB
SHA256 04e679494144fa113fb014c31505ec4c1a70dbb8c8641c66478596048fcbb8f9
MD5 74c01d8d2d4f237c2b13432f8531b505
SHA1 45487291b62695fbe9a57ef65444ceebaaa7aaf5
SHA512 c4cbe55ee6ea20000fa381d75eaf02c427c356b4b00583873e8da003bfa158862f8c172fe289027b2e4aab016a2448ede68db4b24c9b30c87d3a086ecc81fa00
SSDEEP 768:cuq04JTLcsP8EWUmOTymo2qA/BjusyQowsPIWzjbvgX3hpVMUJsAOeBDZUx:cuqNJTLr62PBjuxZwRW3bYXRpGcOwdUx
TLSH
T104232A003BE8812BF2BE4FB898F26145867AF6636603E5491CC451DB5613FC6DA426FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2456-12-0x0000000074FE0000-0x000000007579C000-memory.dmp

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memory/2456-14-0x0000000074FE0000-0x000000007579C000-memory.dmp

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memory/5112-0-0x0000000074FF2000-0x0000000074FF3000-memory.dmp

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memory/5112-1-0x0000000000F70000-0x0000000000F82000-memory.dmp

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memory/5112-2-0x0000000074FE0000-0x000000007579C000-memory.dmp

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memory/5112-3-0x0000000005920000-0x00000000059BC000-memory.dmp

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memory/5112-8-0x0000000074FE0000-0x000000007579C000-memory.dmp

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