asyncrat | 800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae

Analysis

max time kernel
148s
max time network
151s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
03/08/2026, 12:36

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General

Target
800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe
Size 45KB
Sample260803-ps7e3ahe62
SHA256 800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae
MD5 8589751f1367a074bd033b30484429fb
SHA1 31205c32a0e0b43bfbac767dd51b941e0bfd5961
SHA512 23c8486d59bbda124482a7398b566da9b775ff43783aef61e7703986ed9af0526343956064f19b74aed1ead298945ed8b9997cf536f4ce195a6c2f7faf93e4e3
SSDEEP 768:5uSy6pTpwrSWWUE3/WImo2qNrzjHy/aKPIbvjbYgX3iqME9sQUfQUg/ZUBDZ0x:5uSy6pTpoo2onhbbbPXSqvsQ6g/Zid0x
TLSH
T1B6233A1037E8C12BF2BE5F7899F26105867EF6633A03D6491CC411DB5613FC68A52AEE
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

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

Mutex

PmoLUYLtHUIP

Attributes

delay
0
install
true
install_file
fm9vk67.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/0x000f00000001b87e-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
5088	fm9vk67.exe
2328	fm9vk67.exe

Outbound SSH connection to public host 2 TTPs 2 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	11	103.131.57.45:22
SSH destination	6	103.131.57.45:22

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
5876	cmd.exe
560	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	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.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	fm9vk67.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fm9vk67.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2176	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
4572	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe
4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe
4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe
4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe
4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe
4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe
4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe
4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe
4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe
4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe
4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe
4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe
4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe
4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe
4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe
4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe
4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe
4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe
4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe
4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe
4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe
4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe
4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe
4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe
4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe
4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe
4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe
4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe
4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe
4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe
4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe
Token: SeDebugPrivilege	5088	fm9vk67.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4892 wrote to memory of 5876	4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe	89
PID 4892 wrote to memory of 560	4892	800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe	91
PID 5876 wrote to memory of 4572	5876	cmd.exe	93
PID 560 wrote to memory of 2176	560	cmd.exe	94
PID 560 wrote to memory of 2328	560	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe
"C:\Users\Admin\AppData\Local\Temp\800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4892
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "fm9vk67" /tr '"C:\Users\Admin\AppData\Roaming\fm9vk67.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5876
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "fm9vk67" /tr '"C:\Users\Admin\AppData\Roaming\fm9vk67.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4572
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp2DFC.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:560
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2176
- - C:\Users\Admin\AppData\Roaming\fm9vk67.exe
    "C:\Users\Admin\AppData\Roaming\fm9vk67.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2328

C:\Users\Admin\AppData\Roaming\fm9vk67.exe
"C:\Users\Admin\AppData\Roaming\fm9vk67.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5088

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

tmp2DFC.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp2DFC.tmp.bat
Size 151B
SHA256 11d0c71928492acb236dd700db4299fa8cf75c77d3c54faf6b90479d8bfc576c
MD5 2382d76d2c67aaabb7742e2b20a059ca
SHA1 c58a8d0cc41db1aecea15f3596a47700f64bc38b
SHA512 5ac06712c8951172bc3dee945edb542d05b3d41035aa5919fbcb443b63048be5dcef8e265d7199e69268899147c45081b8ba0cc0d31387d7135575b6ba53c096
TLSH
T1FCC02B63A1C6EB1E3C0658231BFAD48CD2726D5D3FC0BB00C709860E5280448F0ED346
MD5 SHA1 SHA512 TLSH

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fm9vk67.exe

Path C:\Users\Admin\AppData\Roaming\fm9vk67.exe
Size 45KB
SHA256 800a999f0f50183fd01f894ce62f463890d9811681456a5c6959a5a8b4a4d4ae
MD5 8589751f1367a074bd033b30484429fb
SHA1 31205c32a0e0b43bfbac767dd51b941e0bfd5961
SHA512 23c8486d59bbda124482a7398b566da9b775ff43783aef61e7703986ed9af0526343956064f19b74aed1ead298945ed8b9997cf536f4ce195a6c2f7faf93e4e3
SSDEEP 768:5uSy6pTpwrSWWUE3/WImo2qNrzjHy/aKPIbvjbYgX3iqME9sQUfQUg/ZUBDZ0x:5uSy6pTpoo2onhbbbPXSqvsQ6g/Zid0x
TLSH
T1B6233A1037E8C12BF2BE5F7899F26105867EF6633A03D6491CC411DB5613FC68A52AEE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4892-0-0x00000000750F2000-0x00000000750F3000-memory.dmp

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memory/4892-1-0x0000000000010000-0x0000000000022000-memory.dmp

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memory/4892-2-0x00000000750E0000-0x000000007589C000-memory.dmp

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memory/4892-3-0x00000000049F0000-0x0000000004A8C000-memory.dmp

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memory/4892-8-0x00000000750E0000-0x000000007589C000-memory.dmp

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memory/5088-12-0x0000000074F70000-0x000000007572C000-memory.dmp

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memory/5088-14-0x0000000074F70000-0x000000007572C000-memory.dmp

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