asyncrat | ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524

Analysis

max time kernel
7s
max time network
154s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
16/08/2026, 12:30

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General

Target
ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe
Size 45KB
Sample260816-ppynraar5y
SHA256 ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524
MD5 262e1f95325fdc338d51d14da1432c85
SHA1 6478deaeac7d5b04aa7a5d567e743405094f539a
SHA512 6c5f1d7ace8282ce540d562fc54f07cb34857eecff9e4176901e199621ae55379a77fb0d3bce485788038fe42ecd93442c25a49ef98ee3d3c4a3babccdb5bebb
SSDEEP 768:vuogpT78XvEsWUOsRzqmo2qrXT9Qpm9PIgzjbigX3iLmace59IqOyJBDZkx:vuogpT7I62AQg3bFXSKafIhyXdkx
TLSH
T101230A003BE8813BF2BE5FB898F26145867AF6637603D5892CC451D75623BC6CA426FD
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
invasive.e.streamforester.name:80
invasive.e.streamforester.name:22
invasive.e.streamforester.name:8080
invasive.e.streamforester.name:8880
invasive.e.streamforester.name:2052
invasive.e.streamforester.name:2082
invasive.e.streamforester.name:2086
invasive.e.streamforester.name:2095
invasive.e.streamforester.name:443
invasive.e.streamforester.name:2053
invasive.e.streamforester.name:2083
invasive.e.streamforester.name:2087
invasive.e.streamforester.name:2096
invasive.e.streamforester.name:8443
agenttesla.e.streamforester.name:80
agenttesla.e.streamforester.name:22
agenttesla.e.streamforester.name:8080
agenttesla.e.streamforester.name:8880
agenttesla.e.streamforester.name:2052
agenttesla.e.streamforester.name:2082
agenttesla.e.streamforester.name:2086
agenttesla.e.streamforester.name:2095
agenttesla.e.streamforester.name:443
agenttesla.e.streamforester.name:2053
agenttesla.e.streamforester.name:2083
agenttesla.e.streamforester.name:2087
agenttesla.e.streamforester.name:2096
agenttesla.e.streamforester.name:8443
locky.e.streamforester.name:80
locky.e.streamforester.name:22
locky.e.streamforester.name:8080
locky.e.streamforester.name:8880
locky.e.streamforester.name:2052
locky.e.streamforester.name:2082
locky.e.streamforester.name:2086
locky.e.streamforester.name:2095
locky.e.streamforester.name:443
locky.e.streamforester.name:2053
locky.e.streamforester.name:2083
locky.e.streamforester.name:2087
locky.e.streamforester.name:2096
locky.e.streamforester.name:8443

Mutex

DzYLl942EFQw

Attributes

delay
0
install
true
install_file
14312pu4.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/0x0003000000008f2c-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4976	14312pu4.exe
2460	14312pu4.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
1336	cmd.exe
5320	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	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.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	14312pu4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	14312pu4.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3184	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
2128	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe
2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe
2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe
2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe
2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe
2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe
2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe
2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe
2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe
2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe
2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe
2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe
2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe
2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe
2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe
2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe
2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe
2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe
2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe
2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe
2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe
2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe
2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe
2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe
2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe
2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe
2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe
2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe
2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe
2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe
2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2164 wrote to memory of 1336	2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe	89
PID 2164 wrote to memory of 5320	2164	ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe	91
PID 1336 wrote to memory of 2128	1336	cmd.exe	93
PID 5320 wrote to memory of 3184	5320	cmd.exe	94
PID 5320 wrote to memory of 2460	5320	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe
"C:\Users\Admin\AppData\Local\Temp\ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2164
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "14312pu4" /tr '"C:\Users\Admin\AppData\Roaming\14312pu4.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1336
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "14312pu4" /tr '"C:\Users\Admin\AppData\Roaming\14312pu4.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2128
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpEFF9.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5320
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3184
- - C:\Users\Admin\AppData\Roaming\14312pu4.exe
    "C:\Users\Admin\AppData\Roaming\14312pu4.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2460

C:\Users\Admin\AppData\Roaming\14312pu4.exe
"C:\Users\Admin\AppData\Roaming\14312pu4.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4976

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

tmpEFF9.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpEFF9.tmp.bat
Size 152B
SHA256 c81f4c99333c48bb858ef8a9a5fd47d0d9739bb7eb954d296d4b3914df3d8fcd
MD5 142b269c4e99a2e011d4272b678d4c86
SHA1 c53cde53cd11b5bec136acdf7b533b4dd65875e6
SHA512 828fc43d449523ce17cda7b6a9423bb296b80e1d815a93a469d0b5f6509b81ac27a339f5d1ed374005d10a442103f8aa71c9afd50020eea5a78e38ddaef1d3ab
TLSH
T1D1C02B8252CBEA1F390924B302FAD4CC91B66C1D3F44BB00D348411D67C0449F4DE341
MD5 SHA1 SHA512 TLSH

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14312pu4.exe

Path C:\Users\Admin\AppData\Roaming\14312pu4.exe
Size 45KB
SHA256 ec13494cf1cd4548dbc737bdf8e8bdc88dedce74382ca7d02bb66c5c22477524
MD5 262e1f95325fdc338d51d14da1432c85
SHA1 6478deaeac7d5b04aa7a5d567e743405094f539a
SHA512 6c5f1d7ace8282ce540d562fc54f07cb34857eecff9e4176901e199621ae55379a77fb0d3bce485788038fe42ecd93442c25a49ef98ee3d3c4a3babccdb5bebb
SSDEEP 768:vuogpT78XvEsWUOsRzqmo2qrXT9Qpm9PIgzjbigX3iLmace59IqOyJBDZkx:vuogpT7I62AQg3bFXSKafIhyXdkx
TLSH
T101230A003BE8813BF2BE5FB898F26145867AF6637603D5892CC451D75623BC6CA426FD
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2164-0-0x0000000074AD2000-0x0000000074AD3000-memory.dmp

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memory/2164-1-0x0000000000D80000-0x0000000000D92000-memory.dmp

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memory/2164-2-0x0000000074AC0000-0x000000007527C000-memory.dmp

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memory/2164-3-0x0000000005780000-0x000000000581C000-memory.dmp

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memory/2164-9-0x0000000074AC0000-0x000000007527C000-memory.dmp

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memory/4976-12-0x0000000074AC0000-0x000000007527C000-memory.dmp

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memory/4976-14-0x0000000074AC0000-0x000000007527C000-memory.dmp

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