asyncrat | e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c

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
10/07/2026, 02:16

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General

Target
e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.exe
Size 45KB
Sample260710-cp91kads4y
SHA256 e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c
MD5 636bc8a08d0e5c092919b9ba7221d765
SHA1 487203258d22673c82af2c39d2b0cc226ae3fb09
SHA512 c856461508200cd4593aed164918dc04cfcd130ffecafd73716b558b29a1a987da8c828ea48e6b28d1ef970866c9dac43705fb514f03ec1d2ce313e53f4f8ab4
SSDEEP 768:EulCJTHESwgWUK3aGmo2q9tCSwTMjPIu9jb4gX3iTHEfi8M/AK0fgDD5BDZsx:EulCJTHl42ag1uVbvXSTHNpB/dsx
TLSH
T1DD231B0037E9C12BF2BE4F78A9F26145867AF2673603E58D1CC4419B5613FC69A426FE
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

phimxxxhd.com:80
phimxxxhd.com:22
phimxxxhd.com:8080
phimxxxhd.com:8880
phimxxxhd.com:2052
phimxxxhd.com:2082
phimxxxhd.com:2086
phimxxxhd.com:2095
phimxxxhd.com:443
phimxxxhd.com:2053
phimxxxhd.com:2083
phimxxxhd.com:2087
phimxxxhd.com:2096
phimxxxhd.com:8443
www.phimxxxhd.com:80
www.phimxxxhd.com:22
www.phimxxxhd.com:8080
www.phimxxxhd.com:8880
www.phimxxxhd.com:2052
www.phimxxxhd.com:2082
www.phimxxxhd.com:2086
www.phimxxxhd.com:2095
www.phimxxxhd.com:443
www.phimxxxhd.com:2053
www.phimxxxhd.com:2083
www.phimxxxhd.com:2087
www.phimxxxhd.com:2096
www.phimxxxhd.com:8443
mirai.phimxxxhd.com:80
mirai.phimxxxhd.com:22
mirai.phimxxxhd.com:8080
mirai.phimxxxhd.com:8880
mirai.phimxxxhd.com:2052
mirai.phimxxxhd.com:2082
mirai.phimxxxhd.com:2086
mirai.phimxxxhd.com:2095
mirai.phimxxxhd.com:443
mirai.phimxxxhd.com:2053
mirai.phimxxxhd.com:2083
mirai.phimxxxhd.com:2087
mirai.phimxxxhd.com:2096
mirai.phimxxxhd.com:8443
shamoon.phimxxxhd.com:80
shamoon.phimxxxhd.com:22
shamoon.phimxxxhd.com:8080
shamoon.phimxxxhd.com:8880
shamoon.phimxxxhd.com:2052
shamoon.phimxxxhd.com:2082
shamoon.phimxxxhd.com:2086
shamoon.phimxxxhd.com:2095
shamoon.phimxxxhd.com:443
shamoon.phimxxxhd.com:2053
shamoon.phimxxxhd.com:2083
shamoon.phimxxxhd.com:2087
shamoon.phimxxxhd.com:2096
shamoon.phimxxxhd.com:8443
sodinokibi.phimxxxhd.com:80
sodinokibi.phimxxxhd.com:22
sodinokibi.phimxxxhd.com:8080
sodinokibi.phimxxxhd.com:8880
sodinokibi.phimxxxhd.com:2052
sodinokibi.phimxxxhd.com:2082
sodinokibi.phimxxxhd.com:2086
sodinokibi.phimxxxhd.com:2095
sodinokibi.phimxxxhd.com:443
sodinokibi.phimxxxhd.com:2053
sodinokibi.phimxxxhd.com:2083
sodinokibi.phimxxxhd.com:2087
sodinokibi.phimxxxhd.com:2096
sodinokibi.phimxxxhd.com:8443

Mutex

RxTXEZuxiVKd

Attributes

delay
0
install
true
install_file
4fso97.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/0x000e00000001c5b3-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2724	4fso97.exe
4296	4fso97.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.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	4fso97.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4fso97.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
5412	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
4668	schtasks.exe

Suspicious behavior: EnumeratesProcesses 27 IoCs

pid	Process
3448	e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.exe
3448	e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.exe
3448	e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.exe
3448	e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.exe
3448	e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.exe
3448	e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.exe
3448	e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.exe
3448	e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.exe
3448	e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.exe
3448	e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.exe
3448	e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.exe
3448	e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.exe
3448	e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.exe
3448	e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.exe
3448	e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.exe
3448	e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.exe
3448	e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.exe
3448	e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.exe
3448	e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.exe
3448	e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.exe
3448	e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.exe
3448	e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.exe
3448	e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.exe
3448	e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.exe
3448	e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.exe
3448	e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.exe
3448	e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3448	e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.exe
Token: SeDebugPrivilege	2724	4fso97.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3448 wrote to memory of 3988	3448	e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.exe	86
PID 3448 wrote to memory of 1560	3448	e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.exe	87
PID 3988 wrote to memory of 4668	3988	cmd.exe	90
PID 1560 wrote to memory of 5412	1560	cmd.exe	91
PID 1560 wrote to memory of 4296	1560	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.exe
"C:\Users\Admin\AppData\Local\Temp\e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3448
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "4fso97" /tr '"C:\Users\Admin\AppData\Roaming\4fso97.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3988
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "4fso97" /tr '"C:\Users\Admin\AppData\Roaming\4fso97.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4668
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp98EB.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1560
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5412
- - C:\Users\Admin\AppData\Roaming\4fso97.exe
    "C:\Users\Admin\AppData\Roaming\4fso97.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4296

C:\Users\Admin\AppData\Roaming\4fso97.exe
"C:\Users\Admin\AppData\Roaming\4fso97.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2724

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

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

tmp98EB.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp98EB.tmp.bat
Size 150B
SHA256 2bc98f61ca74ecfbb41de131a623b236e1e845f0855ef30079908b778a2558f0
MD5 8f744a85b5ecee98f5af237f7038b08a
SHA1 215e5aa66366d0162f32713fc2eb88e667952ee9
SHA512 764ea59c85a246ae12a1689be30124c06bc83e719751d15816e01097c4b81aa795a456c99b50bccb003a92e1b4762c445a2de946e0dd754f281bac0b8a221cb2
TLSH
T194C02B52A1C6EB0E3D05141322FBD48C91766C593F40FB00C749400D1280489F0D9345
MD5 SHA1 SHA512 TLSH

Submit Download

4fso97.exe

Path C:\Users\Admin\AppData\Roaming\4fso97.exe
Size 45KB
SHA256 e97cdeb1584287962486af98e677c09ac54004068337dac1e4e1bb53642d1a1c
MD5 636bc8a08d0e5c092919b9ba7221d765
SHA1 487203258d22673c82af2c39d2b0cc226ae3fb09
SHA512 c856461508200cd4593aed164918dc04cfcd130ffecafd73716b558b29a1a987da8c828ea48e6b28d1ef970866c9dac43705fb514f03ec1d2ce313e53f4f8ab4
SSDEEP 768:EulCJTHESwgWUK3aGmo2q9tCSwTMjPIu9jb4gX3iTHEfi8M/AK0fgDD5BDZsx:EulCJTHl42ag1uVbvXSTHNpB/dsx
TLSH
T1DD231B0037E9C12BF2BE4F78A9F26145867AF2673603E58D1CC4419B5613FC69A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2724-12-0x00000000743F0000-0x0000000074BAC000-memory.dmp

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memory/2724-14-0x00000000743F0000-0x0000000074BAC000-memory.dmp

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memory/3448-0-0x00000000745D2000-0x00000000745D3000-memory.dmp

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memory/3448-1-0x0000000000610000-0x0000000000622000-memory.dmp

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memory/3448-2-0x00000000745C0000-0x0000000074D7C000-memory.dmp

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memory/3448-3-0x0000000005190000-0x000000000522C000-memory.dmp

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memory/3448-8-0x00000000745C0000-0x0000000074D7C000-memory.dmp

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