asyncrat | 204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898

Analysis

max time kernel
6s
max time network
147s
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, 11:57

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General

Target
204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe
Size 45KB
Sample260919-n4mpcsfa74
SHA256 204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898
MD5 f6fd96c787de15bbad91a0f522d3a8a4
SHA1 6e740961149617c6db7efdc51d1333204e46550d
SHA512 8e588c708a9a419060a0e96d44e81a38296186c9a07f0c42c9dfd9987de97911a7bfc54af4e14917ce1c98ec39769d765144c4d165234f2ed6a6a27420f97607
SSDEEP 768:cu7m/5THrq+CWUoDuMmo2qFtl9fcBEahPItljbagX3iXCC/TdjZ+sFLBDZUx:cu7e5TH2A2ELkEa+ttbNXSJ/TDddUx
TLSH
T107232C103BE8812BF2BE5F789CF26145867AF6A32603D54E1CC451DB5713BC68642AFE
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

xemphimheo.org:80
xemphimheo.org:22
xemphimheo.org:8080
xemphimheo.org:8880
xemphimheo.org:2052
xemphimheo.org:2082
xemphimheo.org:2086
xemphimheo.org:2095
xemphimheo.org:443
xemphimheo.org:2053
xemphimheo.org:2083
xemphimheo.org:2087
xemphimheo.org:2096
xemphimheo.org:8443
www.xemphimheo.org:80
www.xemphimheo.org:22
www.xemphimheo.org:8080
www.xemphimheo.org:8880
www.xemphimheo.org:2052
www.xemphimheo.org:2082
www.xemphimheo.org:2086
www.xemphimheo.org:2095
www.xemphimheo.org:443
www.xemphimheo.org:2053
www.xemphimheo.org:2083
www.xemphimheo.org:2087
www.xemphimheo.org:2096
www.xemphimheo.org:8443
sodinokibi.xemphimheo.org:80
sodinokibi.xemphimheo.org:22
sodinokibi.xemphimheo.org:8080
sodinokibi.xemphimheo.org:8880
sodinokibi.xemphimheo.org:2052
sodinokibi.xemphimheo.org:2082
sodinokibi.xemphimheo.org:2086
sodinokibi.xemphimheo.org:2095
sodinokibi.xemphimheo.org:443
sodinokibi.xemphimheo.org:2053
sodinokibi.xemphimheo.org:2083
sodinokibi.xemphimheo.org:2087
sodinokibi.xemphimheo.org:2096
sodinokibi.xemphimheo.org:8443
iloveyou.xemphimheo.org:80
iloveyou.xemphimheo.org:22
iloveyou.xemphimheo.org:8080
iloveyou.xemphimheo.org:8880
iloveyou.xemphimheo.org:2052
iloveyou.xemphimheo.org:2082
iloveyou.xemphimheo.org:2086
iloveyou.xemphimheo.org:2095
iloveyou.xemphimheo.org:443
iloveyou.xemphimheo.org:2053
iloveyou.xemphimheo.org:2083
iloveyou.xemphimheo.org:2087
iloveyou.xemphimheo.org:2096
iloveyou.xemphimheo.org:8443

Mutex

EtknRbBEbyHA

Attributes

delay
0
install
true
install_file
dyk5e.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
2680	dyk5e.exe
3912	dyk5e.exe

Outbound SSH connection to public host 2 TTPs 3 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	pid	Process
SSH destination	2	5.61.208.88:22	2680	dyk5e.exe
SSH destination	8	5.61.208.88:22		Process not Found
SSH destination	12	5.61.208.88:22		Process not Found

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
4712	cmd.exe
1172	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	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.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	dyk5e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dyk5e.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
6140	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
3300	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe
4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe
4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe
4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe
4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe
4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe
4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe
4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe
4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe
4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe
4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe
4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe
4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe
4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe
4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe
4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe
4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe
4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe
4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe
4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe
4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe
4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe
4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe
4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe
4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe
4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe
4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe
4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe
4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe
4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe
4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe
Token: SeDebugPrivilege	2680	dyk5e.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4536 wrote to memory of 4712	4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe	90
PID 4536 wrote to memory of 1172	4536	204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe	91
PID 1172 wrote to memory of 6140	1172	cmd.exe	94
PID 4712 wrote to memory of 3300	4712	cmd.exe	95
PID 1172 wrote to memory of 3912	1172	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.exe
"C:\Users\Admin\AppData\Local\Temp\204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898.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 "dyk5e" /tr '"C:\Users\Admin\AppData\Roaming\dyk5e.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4712
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "dyk5e" /tr '"C:\Users\Admin\AppData\Roaming\dyk5e.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3300
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4378.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1172
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:6140
- - C:\Users\Admin\AppData\Roaming\dyk5e.exe
    "C:\Users\Admin\AppData\Roaming\dyk5e.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3912

C:\Users\Admin\AppData\Roaming\dyk5e.exe
"C:\Users\Admin\AppData\Roaming\dyk5e.exe"
1⤵
- Executes dropped EXE
- Outbound SSH connection to public host
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2680

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

tmp4378.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp4378.tmp.bat
Size 149B
SHA256 5778e3bdc9269c807a026e7c5f49cc64881cc0b90ac29688500794783075f879
MD5 2ada933d5ac150d285a660a237097e94
SHA1 7864995b9e3eaebe5bca097aeed118b0e4a72f52
SHA512 bd204d464cdfca4841f16396b0f031bd603459f88e8f977b0810e9a84517da0b375a34db0d3d0f0abd255cbaaeda114663f966d1add5547ec05db54b5c3e8642
TLSH
T15EC02B5255CBEE1E680D382303FAE58D91B6AC693F84BB20C708404D2280548F0DE342
MD5 SHA1 SHA512 TLSH

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dyk5e.exe

Path C:\Users\Admin\AppData\Roaming\dyk5e.exe
Size 45KB
SHA256 204ada7fd9add5fad2dbb1255c8b87de860465e303c013b143b87a3d01e72898
MD5 f6fd96c787de15bbad91a0f522d3a8a4
SHA1 6e740961149617c6db7efdc51d1333204e46550d
SHA512 8e588c708a9a419060a0e96d44e81a38296186c9a07f0c42c9dfd9987de97911a7bfc54af4e14917ce1c98ec39769d765144c4d165234f2ed6a6a27420f97607
SSDEEP 768:cu7m/5THrq+CWUoDuMmo2qFtl9fcBEahPItljbagX3iXCC/TdjZ+sFLBDZUx:cu7e5TH2A2ELkEa+ttbNXSJ/TDddUx
TLSH
T107232C103BE8812BF2BE5F789CF26145867AF6A32603D54E1CC451DB5713BC68642AFE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2680-12-0x0000000074260000-0x0000000074A1C000-memory.dmp

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memory/2680-14-0x0000000074260000-0x0000000074A1C000-memory.dmp

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

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memory/4536-1-0x0000000000720000-0x0000000000732000-memory.dmp

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

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memory/4536-3-0x0000000005210000-0x00000000052AC000-memory.dmp

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

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