asyncrat | f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf

Analysis

max time kernel
8s
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, 14:34

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General

Target
f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe
Size 45KB
Sample260816-rxk4qszerc
SHA256 f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf
MD5 5dc0b968d05ac391af9aecc0d7c02f61
SHA1 ef329ae87099b3e68f1fb68134d6fd4b638b4c42
SHA512 e3e29ca722ca91308c4982e2baa50c37a9a01bfe1e88561d2cd183d272be4a284c2f2d2cadd27cb18b654ff4d09031a5300139a2d591e857095a071d7edafe8a
SSDEEP 768:4uLZZTUAoOSWUYZL8mo2qFIZTohEaSPISzjbVgX3idFepZJIDyBFA8PdH2BDZbx:4uLZZTUTn2F4Ea7S3byXSdIXIeAmd4dV
TLSH
T1EA232B003BE8812BF1BE4F789DF26145867AF5732603D54A2CC452DB5713BC69A42AFE
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

glagbo.com:80
glagbo.com:22
glagbo.com:8080
glagbo.com:8880
glagbo.com:2052
glagbo.com:2082
glagbo.com:2086
glagbo.com:2095
glagbo.com:443
glagbo.com:2053
glagbo.com:2083
glagbo.com:2087
glagbo.com:2096
glagbo.com:8443
www.glagbo.com:80
www.glagbo.com:22
www.glagbo.com:8080
www.glagbo.com:8880
www.glagbo.com:2052
www.glagbo.com:2082
www.glagbo.com:2086
www.glagbo.com:2095
www.glagbo.com:443
www.glagbo.com:2053
www.glagbo.com:2083
www.glagbo.com:2087
www.glagbo.com:2096
www.glagbo.com:8443
hack.glagbo.com:80
hack.glagbo.com:22
hack.glagbo.com:8080
hack.glagbo.com:8880
hack.glagbo.com:2052
hack.glagbo.com:2082
hack.glagbo.com:2086
hack.glagbo.com:2095
hack.glagbo.com:443
hack.glagbo.com:2053
hack.glagbo.com:2083
hack.glagbo.com:2087
hack.glagbo.com:2096
hack.glagbo.com:8443
triton.glagbo.com:80
triton.glagbo.com:22
triton.glagbo.com:8080
triton.glagbo.com:8880
triton.glagbo.com:2052
triton.glagbo.com:2082
triton.glagbo.com:2086
triton.glagbo.com:2095
triton.glagbo.com:443
triton.glagbo.com:2053
triton.glagbo.com:2083
triton.glagbo.com:2087
triton.glagbo.com:2096
triton.glagbo.com:8443

Mutex

EUxfG4HbWJaP

Attributes

delay
0
install
true
install_file
jymk4.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/0x000e00000001c583-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
1596	jymk4.exe
4380	jymk4.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	6	104.26.8.174:22
SSH destination	7	172.67.71.120:22
SSH destination	9	104.26.9.174:22

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
5304	cmd.exe
2920	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	jymk4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jymk4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.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

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
1280	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
4716	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe
4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe
4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe
4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe
4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe
4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe
4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe
4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe
4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe
4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe
4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe
4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe
4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe
4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe
4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe
4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe
4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe
4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe
4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe
4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe
4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe
4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe
4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe
4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe
4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe
4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe
4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe
4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe
4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe
4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe
4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4636 wrote to memory of 5304	4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe	89
PID 4636 wrote to memory of 2920	4636	f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe	91
PID 5304 wrote to memory of 4716	5304	cmd.exe	93
PID 2920 wrote to memory of 1280	2920	cmd.exe	94
PID 2920 wrote to memory of 4380	2920	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe
"C:\Users\Admin\AppData\Local\Temp\f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4636
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "jymk4" /tr '"C:\Users\Admin\AppData\Roaming\jymk4.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5304
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "jymk4" /tr '"C:\Users\Admin\AppData\Roaming\jymk4.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4716
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5663.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2920
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1280
- - C:\Users\Admin\AppData\Roaming\jymk4.exe
    "C:\Users\Admin\AppData\Roaming\jymk4.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4380

C:\Users\Admin\AppData\Roaming\jymk4.exe
"C:\Users\Admin\AppData\Roaming\jymk4.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1596

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:2636

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

tmp5663.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp5663.tmp.bat
Size 149B
SHA256 da41211dc7ecba5c7486e2295dfedea121544b5ff8f370a5c94c914c03f2cfc2
MD5 9637981320dde4d5a1a4623ae33918ba
SHA1 0b2071db5cdd0b8f4f51860a6256a41d0e66e519
SHA512 98e8c48e3f6b3b48329ef3c3f609c286c7f4142af9cc77e607e78365976f13d6573582e4a28e2f9ee0da5cd5792328f018b9e91e55aba210b19fcffc2c40de17
TLSH
T100C02B42A1C5EA4E3805181302FBD98CA1726D1A3F40BB00C304482E6280858F0D9341
MD5 SHA1 SHA512 TLSH

Submit Download

jymk4.exe

Path C:\Users\Admin\AppData\Roaming\jymk4.exe
Size 45KB
SHA256 f375a50584bae25a46b5fd772ba8ddc0fc2465623640b330fd843da6248049bf
MD5 5dc0b968d05ac391af9aecc0d7c02f61
SHA1 ef329ae87099b3e68f1fb68134d6fd4b638b4c42
SHA512 e3e29ca722ca91308c4982e2baa50c37a9a01bfe1e88561d2cd183d272be4a284c2f2d2cadd27cb18b654ff4d09031a5300139a2d591e857095a071d7edafe8a
SSDEEP 768:4uLZZTUAoOSWUYZL8mo2qFIZTohEaSPISzjbVgX3idFepZJIDyBFA8PdH2BDZbx:4uLZZTUTn2F4Ea7S3byXSdIXIeAmd4dV
TLSH
T1EA232B003BE8812BF1BE4F789DF26145867AF5732603D54A2CC452DB5713BC69A42AFE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1596-12-0x0000000074B80000-0x000000007533C000-memory.dmp

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memory/1596-14-0x0000000074B80000-0x000000007533C000-memory.dmp

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memory/4636-0-0x0000000074B92000-0x0000000074B93000-memory.dmp

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memory/4636-1-0x0000000000FD0000-0x0000000000FE2000-memory.dmp

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memory/4636-2-0x0000000074B80000-0x000000007533C000-memory.dmp

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memory/4636-3-0x0000000005B00000-0x0000000005B9C000-memory.dmp

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memory/4636-9-0x0000000074B80000-0x000000007533C000-memory.dmp

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