asyncrat | 2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3

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
21/07/2026, 15:00

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General

Target
2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe
Size 45KB
Sample260721-sdlftsdm3z
SHA256 2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3
MD5 9897e37107887ddea756493b04a59634
SHA1 1c3a074b5cca5d4034f9e1cfd4a46783aa1c88b8
SHA512 79fd0ed12ae663670f34c15a5132820b8e4f5179173de42a8b09b88a521cc8321dca11b4050068e64063e51694bb76bc8b53d478b62953f2e41ed752b8249292
SSDEEP 768:4uLZZTUAoOSWUYZL8mo2qFrfBohEaEPIQ1jbOgX3iurTVitHYzyaBDZbx:4uLZZTUTn2a4EapQdbxXSuvQtYzyEdbx
TLSH
T137232B003BE8822BF2BE4F786DF26145467EF5A37603D54E1CC4119B5613BC696426FE
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

flimora.top:80
flimora.top:22
flimora.top:8080
flimora.top:8880
flimora.top:2052
flimora.top:2082
flimora.top:2086
flimora.top:2095
flimora.top:443
flimora.top:2053
flimora.top:2083
flimora.top:2087
flimora.top:2096
flimora.top:8443
www.flimora.top:80
www.flimora.top:22
www.flimora.top:8080
www.flimora.top:8880
www.flimora.top:2052
www.flimora.top:2082
www.flimora.top:2086
www.flimora.top:2095
www.flimora.top:443
www.flimora.top:2053
www.flimora.top:2083
www.flimora.top:2087
www.flimora.top:2096
www.flimora.top:8443
clop.flimora.top:80
clop.flimora.top:22
clop.flimora.top:8080
clop.flimora.top:8880
clop.flimora.top:2052
clop.flimora.top:2082
clop.flimora.top:2086
clop.flimora.top:2095
clop.flimora.top:443
clop.flimora.top:2053
clop.flimora.top:2083
clop.flimora.top:2087
clop.flimora.top:2096
clop.flimora.top:8443
client.flimora.top:80
client.flimora.top:22
client.flimora.top:8080
client.flimora.top:8880
client.flimora.top:2052
client.flimora.top:2082
client.flimora.top:2086
client.flimora.top:2095
client.flimora.top:443
client.flimora.top:2053
client.flimora.top:2083
client.flimora.top:2087
client.flimora.top:2096
client.flimora.top:8443

Mutex

tGcI7qSEsyFA

Attributes

delay
0
install
true
install_file
rmm59.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/0x000e00000001c521-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
3456	rmm59.exe
936	rmm59.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
2568	cmd.exe
5004	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	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.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	rmm59.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rmm59.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2208	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
2156	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe
2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe
2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe
2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe
2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe
2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe
2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe
2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe
2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe
2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe
2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe
2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe
2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe
2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe
2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe
2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe
2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe
2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe
2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe
2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe
2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe
2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe
2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe
2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe
2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe
2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe
2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe
2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe
2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe
2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe
2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe
Token: SeDebugPrivilege	3456	rmm59.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 5004	2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe	89
PID 2680 wrote to memory of 2568	2680	2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe	91
PID 5004 wrote to memory of 2156	5004	cmd.exe	93
PID 2568 wrote to memory of 2208	2568	cmd.exe	94
PID 2568 wrote to memory of 936	2568	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe
"C:\Users\Admin\AppData\Local\Temp\2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2680
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "rmm59" /tr '"C:\Users\Admin\AppData\Roaming\rmm59.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5004
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "rmm59" /tr '"C:\Users\Admin\AppData\Roaming\rmm59.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2156
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp2958.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2568
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2208
- - C:\Users\Admin\AppData\Roaming\rmm59.exe
    "C:\Users\Admin\AppData\Roaming\rmm59.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:936

C:\Users\Admin\AppData\Roaming\rmm59.exe
"C:\Users\Admin\AppData\Roaming\rmm59.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3456

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

tmp2958.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp2958.tmp.bat
Size 149B
SHA256 358f238445665d23976ec09b7afd5cd906ae9e69a16568636c39b67cea032723
MD5 afe3869d7a812667faf177c1c0391c5f
SHA1 71f34c745e71be3a9ea634e8e40e5c829aba9f9e
SHA512 958b123e4a8810e82838f96a2a0f1d46d20af9283b244daf6bf5ea8724390a03d996f6775c50d7d241f2058f448a01415726075b1eae998c03c8d37d965e0764
TLSH
T1F1C08C5276C5AA1F2805581312BAD88D91666E9A3E40AF10AB0440092280448E4D9341
MD5 SHA1 SHA512 TLSH

Submit Download

rmm59.exe

Path C:\Users\Admin\AppData\Roaming\rmm59.exe
Size 45KB
SHA256 2721338e181c5ccc3695fa5824d7ff561bf4ab1b02115dcb5b7104b25989a8a3
MD5 9897e37107887ddea756493b04a59634
SHA1 1c3a074b5cca5d4034f9e1cfd4a46783aa1c88b8
SHA512 79fd0ed12ae663670f34c15a5132820b8e4f5179173de42a8b09b88a521cc8321dca11b4050068e64063e51694bb76bc8b53d478b62953f2e41ed752b8249292
SSDEEP 768:4uLZZTUAoOSWUYZL8mo2qFrfBohEaEPIQ1jbOgX3iurTVitHYzyaBDZbx:4uLZZTUTn2a4EapQdbxXSuvQtYzyEdbx
TLSH
T137232B003BE8822BF2BE4F786DF26145467EF5A37603D54E1CC4119B5613BC696426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2680-0-0x0000000074792000-0x0000000074793000-memory.dmp

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memory/2680-1-0x00000000001B0000-0x00000000001C2000-memory.dmp

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memory/2680-2-0x0000000074780000-0x0000000074F3C000-memory.dmp

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memory/2680-3-0x0000000004BB0000-0x0000000004C4C000-memory.dmp

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memory/2680-8-0x0000000074780000-0x0000000074F3C000-memory.dmp

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memory/3456-12-0x0000000074610000-0x0000000074DCC000-memory.dmp

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memory/3456-14-0x0000000074610000-0x0000000074DCC000-memory.dmp

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