asyncrat | 425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552

Analysis

max time kernel
148s
max time network
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
18/07/2026, 17:38

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General

Target
425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe
Size 45KB
Sample260718-v7vmpscs4s
SHA256 425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552
MD5 e2aa57c179fd62163c7ee23bec3892e3
SHA1 6cc23b472aab811431b7e5bc21d687f89025d556
SHA512 53ef15b65de0080014625cfe46e2e33cdd5b07260bf08f63eda76f81fd2659f6c598e64051e5dcb948fc9aed829dd571804255c66f31c6fa10050de0c0b0d197
SSDEEP 768:EulCJTHESwgWUK3aGmo2q9ORz3wnOPIBzjbCgX3ifD6BqREPsAtgiVriBDZsx:EulCJTHl42Pz+3B3blXSuBqRagiCdsx
TLSH
T1EB232B003BE8C12AF2BE5F78A8F26146867AF1673603D68D1CC451DB5713BC686426FD
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

phimsexto.blog:80
phimsexto.blog:22
phimsexto.blog:8080
phimsexto.blog:8880
phimsexto.blog:2052
phimsexto.blog:2082
phimsexto.blog:2086
phimsexto.blog:2095
phimsexto.blog:443
phimsexto.blog:2053
phimsexto.blog:2083
phimsexto.blog:2087
phimsexto.blog:2096
phimsexto.blog:8443
www.phimsexto.blog:80
www.phimsexto.blog:22
www.phimsexto.blog:8080
www.phimsexto.blog:8880
www.phimsexto.blog:2052
www.phimsexto.blog:2082
www.phimsexto.blog:2086
www.phimsexto.blog:2095
www.phimsexto.blog:443
www.phimsexto.blog:2053
www.phimsexto.blog:2083
www.phimsexto.blog:2087
www.phimsexto.blog:2096
www.phimsexto.blog:8443
conti.phimsexto.blog:80
conti.phimsexto.blog:22
conti.phimsexto.blog:8080
conti.phimsexto.blog:8880
conti.phimsexto.blog:2052
conti.phimsexto.blog:2082
conti.phimsexto.blog:2086
conti.phimsexto.blog:2095
conti.phimsexto.blog:443
conti.phimsexto.blog:2053
conti.phimsexto.blog:2083
conti.phimsexto.blog:2087
conti.phimsexto.blog:2096
conti.phimsexto.blog:8443
malware.phimsexto.blog:80
malware.phimsexto.blog:22
malware.phimsexto.blog:8080
malware.phimsexto.blog:8880
malware.phimsexto.blog:2052
malware.phimsexto.blog:2082
malware.phimsexto.blog:2086
malware.phimsexto.blog:2095
malware.phimsexto.blog:443
malware.phimsexto.blog:2053
malware.phimsexto.blog:2083
malware.phimsexto.blog:2087
malware.phimsexto.blog:2096
malware.phimsexto.blog:8443
triton.phimsexto.blog:80
triton.phimsexto.blog:22
triton.phimsexto.blog:8080
triton.phimsexto.blog:8880
triton.phimsexto.blog:2052
triton.phimsexto.blog:2082
triton.phimsexto.blog:2086
triton.phimsexto.blog:2095
triton.phimsexto.blog:443
triton.phimsexto.blog:2053
triton.phimsexto.blog:2083
triton.phimsexto.blog:2087
triton.phimsexto.blog:2096
triton.phimsexto.blog:8443

Mutex

UOia3lbBcT36

Attributes

delay
0
install
true
install_file
9ly64f.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/0x000e00000001c506-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
3376	9ly64f.exe
4932	9ly64f.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
4248	cmd.exe
5692	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	9ly64f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9ly64f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.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
5852	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
1016	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe
4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe
4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe
4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe
4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe
4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe
4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe
4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe
4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe
4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe
4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe
4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe
4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe
4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe
4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe
4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe
4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe
4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe
4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe
4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe
4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe
4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe
4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe
4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe
4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe
4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe
4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe
4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe
4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe
4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe
4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe
Token: SeDebugPrivilege	3376	9ly64f.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4596 wrote to memory of 4248	4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe	89
PID 4596 wrote to memory of 5692	4596	425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe	90
PID 4248 wrote to memory of 1016	4248	cmd.exe	93
PID 5692 wrote to memory of 5852	5692	cmd.exe	94
PID 5692 wrote to memory of 4932	5692	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe
"C:\Users\Admin\AppData\Local\Temp\425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4596
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "9ly64f" /tr '"C:\Users\Admin\AppData\Roaming\9ly64f.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4248
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "9ly64f" /tr '"C:\Users\Admin\AppData\Roaming\9ly64f.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1016
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpF1DD.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5692
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5852
- - C:\Users\Admin\AppData\Roaming\9ly64f.exe
    "C:\Users\Admin\AppData\Roaming\9ly64f.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4932

C:\Users\Admin\AppData\Roaming\9ly64f.exe
"C:\Users\Admin\AppData\Roaming\9ly64f.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3376

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

Replay Monitor

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Downloads

tmpF1DD.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpF1DD.tmp.bat
Size 150B
SHA256 56ce4192704375ec7e99c1206f15463d4ea2cf46b4b669b8926cb4d6f170a033
MD5 bdb068eb47976854c7065982a85016b5
SHA1 f1211307800e23b1d1df2ea53824e620f4168a3e
SHA512 563b87d58b8634a9bccd4d8e0054b3df4dee83ddbbaa9888a3a02cf256cbb71e439dd836ac00f370dcd1331fbfd185ca3b5bc6890cf7e25b59356b3643f9db2f
TLSH
T1B3C08C9255C6EA1E2816182322FA999EA2A268193E40BB00C704445D128095CE49A281
MD5 SHA1 SHA512 TLSH

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9ly64f.exe

Path C:\Users\Admin\AppData\Roaming\9ly64f.exe
Size 45KB
SHA256 425086a942fa4ef6a249701b053dad841fe5ef5d5e209f28c5751c88bdd17552
MD5 e2aa57c179fd62163c7ee23bec3892e3
SHA1 6cc23b472aab811431b7e5bc21d687f89025d556
SHA512 53ef15b65de0080014625cfe46e2e33cdd5b07260bf08f63eda76f81fd2659f6c598e64051e5dcb948fc9aed829dd571804255c66f31c6fa10050de0c0b0d197
SSDEEP 768:EulCJTHESwgWUK3aGmo2q9ORz3wnOPIBzjbCgX3ifD6BqREPsAtgiVriBDZsx:EulCJTHl42Pz+3B3blXSuBqRagiCdsx
TLSH
T1EB232B003BE8C12AF2BE5F78A8F26146867AF1673603D68D1CC451DB5713BC686426FD
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3376-12-0x0000000074570000-0x0000000074D2C000-memory.dmp

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memory/3376-14-0x0000000074570000-0x0000000074D2C000-memory.dmp

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memory/4596-0-0x00000000746F2000-0x00000000746F3000-memory.dmp

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memory/4596-1-0x0000000000EF0000-0x0000000000F02000-memory.dmp

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memory/4596-2-0x00000000746E0000-0x0000000074E9C000-memory.dmp

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memory/4596-3-0x0000000005A10000-0x0000000005AAC000-memory.dmp

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memory/4596-8-0x00000000746E0000-0x0000000074E9C000-memory.dmp

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