asyncrat | ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50

Analysis

max time kernel
6s
max time network
151s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
21/08/2026, 14:07

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General

Target
ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe
Size 45KB
Sample260821-rfgd8a1gnd
SHA256 ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50
MD5 25abea94850e32dad8f238064e4560de
SHA1 105a8a7b39f65ec8e880eeae5f42782e29d4ecd9
SHA512 df12924cce2b7fe2c6623b7d6fce84a40d7a347148c21f0d542eb21967a0f370e26a54ab7aedf6eb9d5091db1b968051ace98f72c2a1093b397ce25e542c2b49
SSDEEP 768:5udApTNctooWUS7C+mo2qtXCXtTt/PI7zjbKgX3iRHV3rfqBKwBDZ0x:5udApTNmU2gwu73bdXSRHpq/d0x
TLSH
T125231B0037E8C22BF2BE4F7899F25145867AF6633603D95D2C8441DB5623BC69A427FE
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

mio9ecge.name:80
mio9ecge.name:22
mio9ecge.name:8080
mio9ecge.name:8880
mio9ecge.name:2052
mio9ecge.name:2082
mio9ecge.name:2086
mio9ecge.name:2095
mio9ecge.name:443
mio9ecge.name:2053
mio9ecge.name:2083
mio9ecge.name:2087
mio9ecge.name:2096
mio9ecge.name:8443
www.mio9ecge.name:80
www.mio9ecge.name:22
www.mio9ecge.name:8080
www.mio9ecge.name:8880
www.mio9ecge.name:2052
www.mio9ecge.name:2082
www.mio9ecge.name:2086
www.mio9ecge.name:2095
www.mio9ecge.name:443
www.mio9ecge.name:2053
www.mio9ecge.name:2083
www.mio9ecge.name:2087
www.mio9ecge.name:2096
www.mio9ecge.name:8443
cl0p.mio9ecge.name:80
cl0p.mio9ecge.name:22
cl0p.mio9ecge.name:8080
cl0p.mio9ecge.name:8880
cl0p.mio9ecge.name:2052
cl0p.mio9ecge.name:2082
cl0p.mio9ecge.name:2086
cl0p.mio9ecge.name:2095
cl0p.mio9ecge.name:443
cl0p.mio9ecge.name:2053
cl0p.mio9ecge.name:2083
cl0p.mio9ecge.name:2087
cl0p.mio9ecge.name:2096
cl0p.mio9ecge.name:8443
client.mio9ecge.name:80
client.mio9ecge.name:22
client.mio9ecge.name:8080
client.mio9ecge.name:8880
client.mio9ecge.name:2052
client.mio9ecge.name:2082
client.mio9ecge.name:2086
client.mio9ecge.name:2095
client.mio9ecge.name:443
client.mio9ecge.name:2053
client.mio9ecge.name:2083
client.mio9ecge.name:2087
client.mio9ecge.name:2096
client.mio9ecge.name:8443

Mutex

OWFiNeFqz6kj

Attributes

delay
0
install
true
install_file
zjsam1.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/0x000e00000001c49d-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2756	zjsam1.exe
3260	zjsam1.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
244	cmd.exe
4728	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	zjsam1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zjsam1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.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
4340	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
2736	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe
4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe
4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe
4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe
4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe
4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe
4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe
4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe
4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe
4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe
4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe
4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe
4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe
4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe
4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe
4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe
4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe
4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe
4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe
4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe
4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe
4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe
4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe
4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe
4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe
4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe
4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe
4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe
4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe
4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe
4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe
Token: SeDebugPrivilege	2756	zjsam1.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4632 wrote to memory of 244	4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe	89
PID 4632 wrote to memory of 4728	4632	ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe	90
PID 244 wrote to memory of 2736	244	cmd.exe	93
PID 4728 wrote to memory of 4340	4728	cmd.exe	94
PID 4728 wrote to memory of 3260	4728	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe
"C:\Users\Admin\AppData\Local\Temp\ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4632
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "zjsam1" /tr '"C:\Users\Admin\AppData\Roaming\zjsam1.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:244
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "zjsam1" /tr '"C:\Users\Admin\AppData\Roaming\zjsam1.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2736
- 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:4728
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4340
- - C:\Users\Admin\AppData\Roaming\zjsam1.exe
    "C:\Users\Admin\AppData\Roaming\zjsam1.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3260

C:\Users\Admin\AppData\Roaming\zjsam1.exe
"C:\Users\Admin\AppData\Roaming\zjsam1.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2756

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

tmp4378.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp4378.tmp.bat
Size 150B
SHA256 bdedcae4ec9b7174d802a1bc1cd78f015e98ab1c44a380f9f10e7f5d2226d22e
MD5 37e82ca935ed30ce37b6abf315904c8f
SHA1 3a3eb240f8770ad791e9eb3e0a1b67d86e8ef9a7
SHA512 dca83ff451e91cd469f44135232c15a4855500feda401d44fbeda410f1569d5f53f5ff5350730cae0c8a3dc9588d1e145efa6d0263a5f5fdae129473682dd638
TLSH
T11CC02B4351CEEA5E6C093C5303FAE98CD172AC193F84BB20C308845D1280548F0EB381
MD5 SHA1 SHA512 TLSH

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zjsam1.exe

Path C:\Users\Admin\AppData\Roaming\zjsam1.exe
Size 45KB
SHA256 ee5d2b8b377e2a7bd4a46ace7b6283fb54587bf228d250b3d3e58b9b447d7e50
MD5 25abea94850e32dad8f238064e4560de
SHA1 105a8a7b39f65ec8e880eeae5f42782e29d4ecd9
SHA512 df12924cce2b7fe2c6623b7d6fce84a40d7a347148c21f0d542eb21967a0f370e26a54ab7aedf6eb9d5091db1b968051ace98f72c2a1093b397ce25e542c2b49
SSDEEP 768:5udApTNctooWUS7C+mo2qtXCXtTt/PI7zjbKgX3iRHV3rfqBKwBDZ0x:5udApTNmU2gwu73bdXSRHpq/d0x
TLSH
T125231B0037E8C22BF2BE4F7899F25145867AF6633603D95D2C8441DB5623BC69A427FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2756-12-0x0000000074A90000-0x000000007524C000-memory.dmp

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memory/2756-14-0x0000000074A90000-0x000000007524C000-memory.dmp

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memory/4632-0-0x0000000074C12000-0x0000000074C13000-memory.dmp

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memory/4632-1-0x0000000000A60000-0x0000000000A72000-memory.dmp

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memory/4632-2-0x0000000074C00000-0x00000000753BC000-memory.dmp

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memory/4632-3-0x00000000055B0000-0x000000000564C000-memory.dmp

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memory/4632-8-0x0000000074C00000-0x00000000753BC000-memory.dmp

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