asyncrat | 6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345

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
02/08/2026, 05:07

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General

Target
6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
Size 45KB
Sample260802-fsdnbadl6w
SHA256 6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345
MD5 8192d22d278b0fcebd7590784aab9376
SHA1 b78880302887bb20f44ff23b5ae49031ac6bbeaf
SHA512 3f6d2a8fe17f771910eff3f80e839904ccbd304723e9efacef1b35bcba5d2e1650441365744545cf3b6bd8a628fbcc96991348e15a48fae2811beb6580c360f4
SSDEEP 768:wuDWZTpw7bmaWUg3gSk0mo2qlL3xY6yZoOPI5zjbxgQ3iSdGYsKJPTl0R8x6dBDo:wuDWZTpMZSB2OuPo353b+QSU6KJL0dMx
TLSH
T17D232B003BE8822BF1BE4F78ADF26105857AF5B73603D64A1CC4519B5613FC686526FE
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

phimvkl.com:80
phimvkl.com:22
phimvkl.com:8080
phimvkl.com:8880
phimvkl.com:2052
phimvkl.com:2082
phimvkl.com:2086
phimvkl.com:2095
phimvkl.com:443
phimvkl.com:2053
phimvkl.com:2083
phimvkl.com:2087
phimvkl.com:2096
phimvkl.com:8443
www.phimvkl.com:80
www.phimvkl.com:22
www.phimvkl.com:8080
www.phimvkl.com:8880
www.phimvkl.com:2052
www.phimvkl.com:2082
www.phimvkl.com:2086
www.phimvkl.com:2095
www.phimvkl.com:443
www.phimvkl.com:2053
www.phimvkl.com:2083
www.phimvkl.com:2087
www.phimvkl.com:2096
www.phimvkl.com:8443
hacker.phimvkl.com:80
hacker.phimvkl.com:22
hacker.phimvkl.com:8080
hacker.phimvkl.com:8880
hacker.phimvkl.com:2052
hacker.phimvkl.com:2082
hacker.phimvkl.com:2086
hacker.phimvkl.com:2095
hacker.phimvkl.com:443
hacker.phimvkl.com:2053
hacker.phimvkl.com:2083
hacker.phimvkl.com:2087
hacker.phimvkl.com:2096
hacker.phimvkl.com:8443
client.phimvkl.com:80
client.phimvkl.com:22
client.phimvkl.com:8080
client.phimvkl.com:8880
client.phimvkl.com:2052
client.phimvkl.com:2082
client.phimvkl.com:2086
client.phimvkl.com:2095
client.phimvkl.com:443
client.phimvkl.com:2053
client.phimvkl.com:2083
client.phimvkl.com:2087
client.phimvkl.com:2096
client.phimvkl.com:8443

Mutex

aT7XXbjUuneP

Attributes

delay
0
install
true
install_file
1jtok.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/0x000e00000001c5ab-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4784	1jtok.exe
3752	1jtok.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
SSH destination	16	172.67.69.53:22
SSH destination	17	104.26.9.243:22
SSH destination	19	104.26.8.243:22

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
1296	cmd.exe
4172	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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1jtok.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1jtok.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
1720	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
1260	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
Token: SeDebugPrivilege	4784	1jtok.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3452 wrote to memory of 4172	3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe	88
PID 3452 wrote to memory of 1296	3452	6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe	89
PID 1296 wrote to memory of 1720	1296	cmd.exe	92
PID 4172 wrote to memory of 1260	4172	cmd.exe	93
PID 1296 wrote to memory of 3752	1296	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe
"C:\Users\Admin\AppData\Local\Temp\6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3452
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "1jtok" /tr '"C:\Users\Admin\AppData\Roaming\1jtok.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4172
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "1jtok" /tr '"C:\Users\Admin\AppData\Roaming\1jtok.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1260
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpAE28.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1296
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1720
- - C:\Users\Admin\AppData\Roaming\1jtok.exe
    "C:\Users\Admin\AppData\Roaming\1jtok.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3752

C:\Users\Admin\AppData\Roaming\1jtok.exe
"C:\Users\Admin\AppData\Roaming\1jtok.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4784

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:3248

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

tmpAE28.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpAE28.tmp.bat
Size 149B
SHA256 fbbd21696c92646a5956073822f71caf2931ac89d2e3a60cda0f2aa5a11ebf29
MD5 88f02691f5600ce26aa93c4456216462
SHA1 3143ab563fed5b0fc1c4511f0434fbf06a46df9c
SHA512 02695b8c0ed01bc3459731be11d513c83760fd6f3e964de6c0daf7c424428b163e7f15cd76401c8693b14b9ff2c60b2c38588716759310f2a645b35a592d8eb5
TLSH
T1F6C02B43A1C9EA0E28052CA303FAD48D91766C5B3F44BB20C304441E328046DF0FD3C1
MD5 SHA1 SHA512 TLSH

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1jtok.exe

Path C:\Users\Admin\AppData\Roaming\1jtok.exe
Size 45KB
SHA256 6c5513fe2a707769b41b2fd8f7218627da1c32310e0a8bd4a8d96c4056407345
MD5 8192d22d278b0fcebd7590784aab9376
SHA1 b78880302887bb20f44ff23b5ae49031ac6bbeaf
SHA512 3f6d2a8fe17f771910eff3f80e839904ccbd304723e9efacef1b35bcba5d2e1650441365744545cf3b6bd8a628fbcc96991348e15a48fae2811beb6580c360f4
SSDEEP 768:wuDWZTpw7bmaWUg3gSk0mo2qlL3xY6yZoOPI5zjbxgQ3iSdGYsKJPTl0R8x6dBDo:wuDWZTpMZSB2OuPo353b+QSU6KJL0dMx
TLSH
T17D232B003BE8822BF1BE4F78ADF26105857AF5B73603D64A1CC4519B5613FC686526FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3452-0-0x0000000074A42000-0x0000000074A43000-memory.dmp

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memory/3452-1-0x00000000003D0000-0x00000000003E2000-memory.dmp

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memory/3452-2-0x0000000074A30000-0x00000000751EC000-memory.dmp

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memory/3452-3-0x0000000004F40000-0x0000000004FDC000-memory.dmp

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memory/3452-8-0x0000000074A30000-0x00000000751EC000-memory.dmp

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memory/4784-12-0x00000000748C0000-0x000000007507C000-memory.dmp

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memory/4784-14-0x00000000748C0000-0x000000007507C000-memory.dmp

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