asyncrat | 93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da

Analysis

max time kernel
6s
max time network
150s
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, 08:24

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General

Target
93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe
Size 45KB
Sample260803-ka695aee89
SHA256 93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da
MD5 575ab46996d4daf1699cd06194a4fba1
SHA1 d35032f3efd0bffa302c55adc18774ef06395268
SHA512 8b13cb5ecc13610a112b25ecc061224ac3f5d47bf2fd5e4d661392203b2ed45458f951a307006acbbd631d4d07d1b56cf40b1899f77df58c9415b5e72efb7445
SSDEEP 768:QuflpT8AkKuWUch7wmo2q9VO5QyCBjHSNjPIwzjbfgX3iPgcWH0UGBqUkBDZTx:QuflpT8Hv2EO59ESKw3boXSPMUUcqUSH
TLSH
T1E7233B103BE9C12BF2BE4F78A8F26145467AF2636603E54D2CC451DB5713BC68642AFE
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

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

Mutex

leEguT8UojjX

Attributes

delay
0
install
true
install_file
rbtmv6x.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/0x000e00000001c581-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4872	rbtmv6x.exe
1636	rbtmv6x.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
5924	cmd.exe
1000	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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rbtmv6x.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rbtmv6x.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.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

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4272	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
4164	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe
2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe
2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe
2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe
2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe
2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe
2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe
2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe
2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe
2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe
2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe
2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe
2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe
2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe
2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe
2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe
2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe
2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe
2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe
2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe
2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe
2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe
2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe
2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe
2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe
2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe
2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe
2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe
2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe
2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe
2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe
Token: SeDebugPrivilege	4872	rbtmv6x.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 5924	2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe	89
PID 2672 wrote to memory of 1000	2672	93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe	91
PID 5924 wrote to memory of 4164	5924	cmd.exe	93
PID 1000 wrote to memory of 4272	1000	cmd.exe	94
PID 1000 wrote to memory of 1636	1000	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe
"C:\Users\Admin\AppData\Local\Temp\93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "rbtmv6x" /tr '"C:\Users\Admin\AppData\Roaming\rbtmv6x.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5924
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "rbtmv6x" /tr '"C:\Users\Admin\AppData\Roaming\rbtmv6x.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4164
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp2AFE.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1000
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4272
- - C:\Users\Admin\AppData\Roaming\rbtmv6x.exe
    "C:\Users\Admin\AppData\Roaming\rbtmv6x.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1636

C:\Users\Admin\AppData\Roaming\rbtmv6x.exe
"C:\Users\Admin\AppData\Roaming\rbtmv6x.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4872

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

tmp2AFE.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp2AFE.tmp.bat
Size 151B
SHA256 7685fc812ef28a54c118058d850be3fbcb442006ec8d8566c5f5a90d95d5d785
MD5 0f1216775959e1a1235ffcb9aa876dff
SHA1 c0bf3af7f4e8c7d44ba6c49876501f1a837a4d6e
SHA512 1aae4db31091122cb3022a81b78d76ee7a9a0a18b92439e82e3ca74e8f53bda3bab42ce74aecf4a8e3380413e87b44390c824108bc15e28b94d29ae2f6eadd31
TLSH
T1C3C02B4272C5EE2F2805182313FAD8CCE1736D1D3F88BB40D709400D66C0489F0D9383
MD5 SHA1 SHA512 TLSH

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rbtmv6x.exe

Path C:\Users\Admin\AppData\Roaming\rbtmv6x.exe
Size 45KB
SHA256 93850c00822a237f292e8646cf6ababa48f6bff4a4f0d7dd197188cd1d93e3da
MD5 575ab46996d4daf1699cd06194a4fba1
SHA1 d35032f3efd0bffa302c55adc18774ef06395268
SHA512 8b13cb5ecc13610a112b25ecc061224ac3f5d47bf2fd5e4d661392203b2ed45458f951a307006acbbd631d4d07d1b56cf40b1899f77df58c9415b5e72efb7445
SSDEEP 768:QuflpT8AkKuWUch7wmo2q9VO5QyCBjHSNjPIwzjbfgX3iPgcWH0UGBqUkBDZTx:QuflpT8Hv2EO59ESKw3boXSPMUUcqUSH
TLSH
T1E7233B103BE9C12BF2BE4F78A8F26145467AF2636603E54D2CC451DB5713BC68642AFE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2672-0-0x0000000074AD2000-0x0000000074AD3000-memory.dmp

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memory/2672-1-0x0000000000910000-0x0000000000922000-memory.dmp

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memory/2672-2-0x0000000074AC0000-0x000000007527C000-memory.dmp

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memory/2672-3-0x0000000005320000-0x00000000053BC000-memory.dmp

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memory/2672-8-0x0000000074AC0000-0x000000007527C000-memory.dmp

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memory/4872-12-0x0000000074950000-0x000000007510C000-memory.dmp

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memory/4872-14-0x0000000074950000-0x000000007510C000-memory.dmp

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