asyncrat | e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec

Analysis

max time kernel
148s
max time network
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260629-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
05/07/2026, 20:28

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General

Target
e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe
Size 45KB
Sample260705-y9axvsfv8x
SHA256 e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec
MD5 307bcd2c487739f08c68a004797b80e3
SHA1 fcd2d74b9c42fd2a1afe22fdccaa191f8c6a02c3
SHA512 428bfd0032de9403f221e00ff42483c1379ae7e4dbedfbcaa6d8bf43d4f0615835522b95244d208c9a0367dd2bcd909b5fd78bd3fd6a3b6f53d10a6964f67c53
SSDEEP 768:5uSy6pTpwrSWWUE3/WImo2qNDIz/yPqiPI8zjbOgX3iAvMWuNJb9BDZ0x:5uSy6pTpoo2gc583bxXScMdd0x
TLSH
T169233B0037E9C22BF2BE5F78ADF26145467AF6633A03D5491CC4119B5713BC68A426FE
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

phaixemsex.me:80
phaixemsex.me:22
phaixemsex.me:8080
phaixemsex.me:8880
phaixemsex.me:2052
phaixemsex.me:2082
phaixemsex.me:2086
phaixemsex.me:2095
phaixemsex.me:443
phaixemsex.me:2053
phaixemsex.me:2083
phaixemsex.me:2087
phaixemsex.me:2096
phaixemsex.me:8443
www.phaixemsex.me:80
www.phaixemsex.me:22
www.phaixemsex.me:8080
www.phaixemsex.me:8880
www.phaixemsex.me:2052
www.phaixemsex.me:2082
www.phaixemsex.me:2086
www.phaixemsex.me:2095
www.phaixemsex.me:443
www.phaixemsex.me:2053
www.phaixemsex.me:2083
www.phaixemsex.me:2087
www.phaixemsex.me:2096
www.phaixemsex.me:8443
remcos.phaixemsex.me:80
remcos.phaixemsex.me:22
remcos.phaixemsex.me:8080
remcos.phaixemsex.me:8880
remcos.phaixemsex.me:2052
remcos.phaixemsex.me:2082
remcos.phaixemsex.me:2086
remcos.phaixemsex.me:2095
remcos.phaixemsex.me:443
remcos.phaixemsex.me:2053
remcos.phaixemsex.me:2083
remcos.phaixemsex.me:2087
remcos.phaixemsex.me:2096
remcos.phaixemsex.me:8443
malware.phaixemsex.me:80
malware.phaixemsex.me:22
malware.phaixemsex.me:8080
malware.phaixemsex.me:8880
malware.phaixemsex.me:2052
malware.phaixemsex.me:2082
malware.phaixemsex.me:2086
malware.phaixemsex.me:2095
malware.phaixemsex.me:443
malware.phaixemsex.me:2053
malware.phaixemsex.me:2083
malware.phaixemsex.me:2087
malware.phaixemsex.me:2096
malware.phaixemsex.me:8443

Mutex

7AAr1jyR4nLo

Attributes

delay
0
install
true
install_file
2a748c1.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/0x001000000001c465-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
1932	2a748c1.exe
1184	2a748c1.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	2a748c1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.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	2a748c1.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2200	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
2280	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
1564	e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe
1564	e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe
1564	e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe
1564	e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe
1564	e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe
1564	e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe
1564	e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe
1564	e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe
1564	e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe
1564	e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe
1564	e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe
1564	e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe
1564	e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe
1564	e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe
1564	e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe
1564	e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe
1564	e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe
1564	e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe
1564	e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe
1564	e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe
1564	e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe
1564	e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe
1564	e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe
1564	e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe
1564	e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe
1564	e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe
1564	e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe
1564	e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe
1564	e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1564	e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe
Token: SeDebugPrivilege	1932	2a748c1.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1564 wrote to memory of 4848	1564	e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe	88
PID 1564 wrote to memory of 5128	1564	e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe	90
PID 4848 wrote to memory of 2280	4848	cmd.exe	92
PID 5128 wrote to memory of 2200	5128	cmd.exe	93
PID 5128 wrote to memory of 1184	5128	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe
"C:\Users\Admin\AppData\Local\Temp\e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1564
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "2a748c1" /tr '"C:\Users\Admin\AppData\Roaming\2a748c1.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4848
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "2a748c1" /tr '"C:\Users\Admin\AppData\Roaming\2a748c1.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2280
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp53F7.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5128
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2200
- - C:\Users\Admin\AppData\Roaming\2a748c1.exe
    "C:\Users\Admin\AppData\Roaming\2a748c1.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1184

C:\Users\Admin\AppData\Roaming\2a748c1.exe
"C:\Users\Admin\AppData\Roaming\2a748c1.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1932

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

tmp53F7.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp53F7.tmp.bat
Size 151B
SHA256 92791092a59ec84ebee0b77eb98537e92199e18e80001349954c60384d677248
MD5 99988ed05899a5bda52c70570936eb09
SHA1 dbdb5f5891d07c79cf632fbc8369e9d60889addf
SHA512 6e3e684056b5a825fa902d66d5cbb54c82d85cf19a41f87c6cca8069a3640c230b04439721d81df3593a58d4e5614f5c6dfedf38a38a713e5bdcff38a9716cc0
TLSH
T19BC08C4251CAEA0F6D05142312BA9D8DA366AD1A3E40AB008304400EA280448E4AA285
MD5 SHA1 SHA512 TLSH

Submit Download

2a748c1.exe

Path C:\Users\Admin\AppData\Roaming\2a748c1.exe
Size 45KB
SHA256 e4c80e7f37090bcc7158fbfb3d592dd5542086ed5871d7702db30fa59232d8ec
MD5 307bcd2c487739f08c68a004797b80e3
SHA1 fcd2d74b9c42fd2a1afe22fdccaa191f8c6a02c3
SHA512 428bfd0032de9403f221e00ff42483c1379ae7e4dbedfbcaa6d8bf43d4f0615835522b95244d208c9a0367dd2bcd909b5fd78bd3fd6a3b6f53d10a6964f67c53
SSDEEP 768:5uSy6pTpwrSWWUE3/WImo2qNDIz/yPqiPI8zjbOgX3iAvMWuNJb9BDZ0x:5uSy6pTpoo2gc583bxXScMdd0x
TLSH
T169233B0037E9C22BF2BE5F78ADF26145467AF6633A03D5491CC4119B5713BC68A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1564-0-0x00000000751E2000-0x00000000751E3000-memory.dmp

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memory/1564-1-0x0000000000710000-0x0000000000722000-memory.dmp

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memory/1564-2-0x00000000751D0000-0x000000007598C000-memory.dmp

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memory/1564-3-0x0000000005240000-0x00000000052DC000-memory.dmp

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memory/1564-8-0x00000000751D0000-0x000000007598C000-memory.dmp

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memory/1932-12-0x0000000075160000-0x000000007591C000-memory.dmp

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memory/1932-14-0x0000000075160000-0x000000007591C000-memory.dmp

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